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Your search returned over 400 essays for "ecosystem"
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The Coastal Ecosystem of Bay of Bengal - The coastal ecosystem of Bay of Bengal (BOB) is described using a mass-balance model of trophic interactions, in order to understand the effects of Set Bagnet (SBN) on the ecosystem. The BOB model encompassed an area of 24,000 km2 and had 14 functional ecological groups of which 13 were living groups and one dead group (detritus). Result showed that all consumers had ecotrophic efficiency (EE) >0.90 indicated that the consumers were heavily exploited in the system. The fishery was operating at a mean trophic level of 2.45....   [tags: Environment, Ecosystem ] 2658 words
(7.6 pages)
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Ecosystem Services - D1. What are ecosystem goods and services. People have been relying for their daily needs and well-being on nature. The natural ecosystem provides varieties of goods and services to us, for instance, fresh water, fisheries, timber, water purification etc. The benefits that people directly get from the natural systems are called ecosystem services (ES). The natural ecosystem provides both goods and services to us. The ecosystem goods are the things that people produced from soil, water and plants; Crops, Fibre, Timber, Livestock, Tourism, etc....   [tags: Environmental Science]
:: 2 Works Cited
809 words
(2.3 pages)
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Wetland Ecosystem - 1. Introduction Wetland ecosystem is one of the most productive ecosystems on this planet delivering massive goods and services to human society. However, due to poor awareness of their values and underestimation of their contribution, many wetlands have been converted to farmland or urban areas, or influenced by pollution due to agricultural and industrial activities. Consequentially wetland ecosystems have severely declined and degraded globally during the past decades. In order to restore and protect wetlands, hence ensure a sustainable supply of wetland goods and services, it is important to recognize their values....   [tags: Environment, Sustainable Development] 2088 words
(6 pages)
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Ecosystem Literature Review - Ecosystem Literature Review The aquatic ecosystems are home to some of the most diverse life forms on the planet. From plankton and plants to fish and even to large mammals, the aquatic ecosystem provides shelter to such a diverse range of life that few other ecosystems can ever compare to this large scope. In the aquatic ecosystem, there are many factors that allow for biotic life to flourish. Some of these factors include biodiversity, energy flow, and nutrient cycling. Not only do these factors allow for the prosperity of the aquatic ecosystem function, but also allow for the proper function of the other factors....   [tags: Environment]
:: 11 Works Cited
1777 words
(5.1 pages)
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Rainforest: Not just an Ecosystem - ... Bird life is noisy and colorful with many species of parrots and cockatoos. Since birds live mostly in the rain forest canopy, rain forest snakes are often tree snakes. Many mammals also live up in trees, whether they are herbivores or carnivores. And rivers and waterholes contain different water animals. Most of the world's 10,000 species of birds are found in the tropics. Probably the most obvious are the large and colorful macaws, parrots and cockatoos. Macaws are the largest parrots and they are native to Central andSouth America, Mexico and formerly Caribbean....   [tags: organisms, physical environment]
:: 5 Works Cited
885 words
(2.5 pages)
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Importance of Mangrove Ecosystem - What is the Mangrove Ecosystem. Mangroves are found in tropical and sub-tropical areas which located at intertidal areas and estuary mouths between land and sea. There are consists a group of plant growing in shallow and muddy salt water or brackish waters. The specific regions where the plants occur are called “mangrove ecosystem”. Mangroves provide critical habitat for a diverse marine and terrestrial flora and fauna. The continuous interruption of physiological and morphological stresses, salinity effect, aeration and onslaught of wave action in long term period are causes of the ecosystem highly fragile (source?)....   [tags: Ecology ]
:: 4 Works Cited
2143 words
(6.1 pages)
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How Humans Impact the Ecosystem - Humans play an extensive role when it comes to the sustainability of the environment, our actions now can have repercussions in the future. Learning how humans leave their footprint on the environment will help us to become more conscious of our actions and how they manipulate the world around us. Humans sway the precarious balance of the environment; the ramifications of tipping the scales will be felt by generations to come. Discovering what your ecological footprint is and how your actions effect the environment is a good place to start if you are concerned about ecological sustainability....   [tags: Environmental Issues]
:: 3 Works Cited
1185 words
(3.4 pages)
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Analysis of Our Diverse Ecosystem - ... Gymnosperms and angiosperms have a great advantage to bryophytes and ferns in terms of reproduction. Given their size and ability to reproduce in diverse climates, they have a better chance of reproduction in several situations where bryophytes and ferns would not survive. Bryophytes and ferns require a film of water to reproduce sexually because they use swimming sperm. Most bryophytes reproduce asexually, where ferns, angiosperms, and gymnosperms most often reproduce sexually. Bryophytes are unique in sexual reproduction because their most distinct generation is the gametophyte....   [tags: plants, animals, species, reproduction] 1264 words
(3.6 pages)
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Asian Carp's Harm to the Ecosystem - There is a great big debate over whether the Asian Carp should be considered a menace and about what we should do about them. Grass, Bighead, Black, and Silver Carp are all Asian carp species. According to Keith Lawrence of the Messenger-Inquirer, Carp are being made into fertilizer, and fish oil, as well as being sold to Asia as food products. However, the New York Times say that the Carp could easily put an end to the $7 million dollar fishing industry in the Great Lakes. Aside from economic reasons for keeping or eliminating them, the main reason to stop them from spreading is the fact that they threaten to collapse the entire ecosystem if they get out of control....   [tags: Environmentalism]
:: 10 Works Cited
983 words
(2.8 pages)
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Chapter 9 Review: Biodiversity and the Ecosystem - Chapter 9 on biodiversity and the ecosystem was interesting, especially the section on forests. Living in a forest area and being surrounded by them my entire life it was really interesting to learn so much more about forests. Even when humans think they are being responsible, they can still cause great harm. The building of roads to farm trees for instance, can cause damage to a forest because it increases erosion, water runoff, and it can harm the diversity of an ecosystem (Miller & Spoolman, 2010)....   [tags: Literature Review ]
:: 21 Works Cited
2605 words
(7.4 pages)
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Predators And Ecosystem Management - Predators and Ecosystem Management Natural Resources Management Predators have an everlasting effect on different kinds of ecosystems. They influence there ecosystems by controlling the abundance of lower species certain habitats. In this article, “Predators and Ecosystem Management” by (James A. Estes). He explains results of case studies that indicate important ecological roles for predators in a huge coastal ecosystem. The main challenge in this article is to determine if there are recurrent patterns else where in nature and to also understand when and where they occur....   [tags: essays research papers fc]
:: 1 Sources Cited
424 words
(1.2 pages)
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The Hubbard Brook Ecosystem Study - The Hubbard Brook Ecosystem Study word count (excluding references) 1492 Introduction The Hubbard Brook Study in New Hampshire takes place in a deciduous northern hardwood forest and is involved in important environmental research to improve the planet's ecosystem. There are inputs (light, precipitation, chemicals) and outputs (water and nutrients) used to discover how a fully integrated ecosystem functions. (Bormann and Likens 1979).There are long-term studies carried out, as short-term observations give false trends of data that is not realised at the time of study....   [tags: Environmental] 1620 words
(4.6 pages)
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An Ecosystem's Disturbance by a Pollutant - Freedman defines a pollutant as "the occurrence of toxic substances or energy in a larger quality then the ecological communities or particular species can tolerate without suffering measurable detriment" (Freeman, 562). Although the effects of a pollutant on an organism vary depending on the dose and duration (how long administered). The impact can be one of sublethality to lethality, all dependent upon the factors involved. These factors need to be looked at when determining an ecosystem's disturbance by a pollutant....   [tags: Ecotoxicology Essays] 3005 words
(8.6 pages)
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The Florida Everglades ? A Wetlands Ecosystem - The Florida Everglades — A Wetlands Ecosystem The Everglades, a vast wetlands ecosystem made up of marshes and swamps, begins at Lake Okeechobee, a large lake in the center of Florida, and ends in the Gulf of Mexico and Florida Bay. It is nearly 50 miles across and 110 miles long (Hinrichsen), and when viewed from the air, appears to be miles and miles of shallow water flowing through thick mats of grass. This perception has earned it the name “River of Grass”. Although it does flow like a river, the flow is so incredibly slow that, from a distance, it doesn’t seem to move at all....   [tags: essays research papers fc]
:: 5 Sources Cited
2060 words
(5.9 pages)
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The Main Features of a Savanna Ecosystem - The Main Features of a Savanna Ecosystem For most of the year in this part of Kenya, the climate is very warm and very dry. However for a short season of three months (April, May and June), there is abundant rainfall and then a shorter period known as the 'little rains' (November and December). Both of these periods of rain follow quite soon after the overhead sun has past right over the equator. The temperatures throughout the year are generally high, the cooler part of the year occurs when the sun is overhead in the opposite hemisphere....   [tags: Papers] 1585 words
(4.5 pages)
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The Ecosystem of the Coral Reef - The Ecosystem of the Coral Reef Coral reefs are among the most diverse and productive communities on Earth. They are found in the warm, clear, shallow waters of tropical oceans worldwide. Reefs have functions ranging from providing food and shelter to fish and invertebrates, to protecting the shore from erosion. Although many corals resemble plants, they are actually members of the animal phylum Cnidaria. Most corals are colonial, which means that each coral is made up of many individual polyps connected by living tissue (the coenosarc)....   [tags: Papers] 519 words
(1.5 pages)
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Mapping Ecosystem Services in Colombia’s Putumayo Region - Mapping Ecosystem Services in Colombia’s Putumayo Region to Inform a Compensation Scheme to Establish Silvopastoral Systems Key Message The rain and cloud forests of Colombia’s Upper Putumayo region are becoming increasingly exposed to agriculture, ranching, and infrastructure development. These activities can have adverse effects on water supply and quality, soil erosion, carbon capture and sequestration, and biodiversity. The additional impacts from climate change intensify these effects and can have serious consequences for future ecosystem services supply, development and livelihoods....   [tags: Environmental Issues]
:: 25 Works Cited
2255 words
(6.4 pages)
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The Mississippi Delta and Oil: Ecosystem Services and Human Health - Growing up near the Chesapeake Bay, I was bombarded with guest speakers since elementary school about protecting the environment. I knew what an ecosystem was by fifth grade, and in seventh grade our class went on a class trip to Smith Island and Port Isabel in the Chesapeake Bay for more intensive education about how humans are connected to ecosystems. Water and ecosystems are important to public health all over the globe, as water touches all of our lives. And when this water is contaminated by oil, many global health issues are caused, but these problems to health may be worth the profits gained from oil....   [tags: Environmental Issues]
:: 11 Works Cited
1101 words
(3.1 pages)
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The Strength and the Weaknesses of Pay for Ecosystem Services (PES) - All biological lives need a supply of external energy. Most Plants are capable of photosynthesis, some bacteria employ natural sources of chemical energy. Many other organisms require different types of energy to grow. Beyond this biological need of humanity, technologically advance societies have increasingly weaken in their dependence on external energy for production of many manufactured goods. Where this technological advancement is a wonderful convenience of modern life in particular, there it allows people to live under a diverse condition of climate, in general....   [tags: Ecology ]
:: 13 Works Cited
2190 words
(6.3 pages)
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Carbon Sequestration in Forest Ecosystems - Carbon Sequestration in Forest Ecosystems Amid growing concerns about increasing concentrations of greenhouse gases in the atmosphere, mitigation techniques that reduce levels of greenhouse gases are receiving attention as a possible remedy for climate change. Forest ecosystems play an important role in the global carbon cycle, but there are still questions about how significant of a role they play and how manipulating management plans affects a forested area’s carbon sequestration potential. Various factors such as land-use history, age of a forest stand, and potential feedback processes must all be taken into account when determining if forests are a feasible method of climate change mitigation....   [tags: Ecosystems] 2418 words
(6.9 pages)
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The Effects Of Foreign Species Introduction On An Ecosystem - The Effects of Foreign Species Introduction On An Ecosystem The effects of foreign species introduction into an ecosystem are very profound. From small microorganisms to species of large mammals, many foreign species introductions occur every day. New implications of their introduction are found just as often. When a foreign species is introduced into an ecosystem, often the ecosystem contains no natural predators for the new species. This lack of predators sometimes leads to; in conjunction with a supply of food suitable for the new species, a period of exponential growth of the species....   [tags: essays research papers] 652 words
(1.9 pages)
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Ecosystem Instability: The Incumbent Problems and Possible Solutions - Ecosystem Instability: The Incumbent Problems and Possible Solutions Thesis Ecosystem instability is a problem that we can no longer put off to the side. We are being confronted with this problem and we need to find ways to resolve the present situations. The forms of confrontation are through foriegn invaders and lack of apex predators (to name a few). We must realize that through research as well as changes in lifestyle we can save our planet. These changes must occur individually for them to be a true success....   [tags: Environment Environmental Essays]
:: 1 Works Cited :: 7 Sources Cited
3169 words
(9.1 pages)
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Reintroducing Bison Restores the Great Plains Ecosystem - Reintroducing Bison Restores the Great Plains Ecosystem Great Plains history The Great Plains offer a familiar story of overexploitation and the emergence of the need to fix the damage. Today rural areas are showing the decline of traditional agriculture and extractive land uses that have left the area barren and unproductive. Restoration projects, in particular those involving the reintroduction of the bison, give an example of bringing the native ecosystem of an area back to life. Grasslands once covered 40% of our nation, the bison once ranged over 48 of our states....   [tags: Environment Animals Nature Ecology Essays]
:: 6 Sources Cited
1056 words
(3 pages)
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How Acid Rain Affects the Aquatic Ecosystem - How Acid Rain Affects the Aquatic Ecosystem Abstract This paper shows that acid rain is a reality. It is destroying our freshwater ecosystems and must be stopped in order to save them. If the problem is not fixed soon the aquatic ecosystems will be destroyed. Table of Contents 1. What is acid rain. 2. Acidification of Freshwater 3. Effects of Freshwater Acidification 4. Where is Affected the most. 5. What is being done to fix it. 6. Conclusion 7. References What is acid rain. Acid rain is polluted rain, snow, or fog....   [tags: Geology]
:: 5 Sources Cited
1383 words
(4 pages)
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The Invasion of the Florida Everglades Ecosystem by the Brazilian Pepper - The Invasion of the Florida Everglades Ecosystem by the Brazilian Pepper It was as if the class had just stepped out onto the moon the way the limestone craters pockmarked the area's surface. It looked most uninhabitable indeed. Yet, here and there tufts of sawgrass had naturally reseeded and sprung up to reclaim the land. Like the American flag hoisted in place by Neil Armstrong on the moon, the tufts of sawgrass seemed to be saying, “One small step for sawgrass, one giant leap for the Everglades ecosystem!” Indeed, to witness the success of the Hole-in-the-Donut Restoration Project is like being the captain of a boat lost at sea catching a break in the fog long enough to glimpse a beacon's light before it becomes shrouded again in the mist of politics, economics and bureaucracy....   [tags: Environment Nature Descriptive Essays]
:: 9 Works Cited
1614 words
(4.6 pages)
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Differences in the Woodland Ecosystem as the Result of Different Management Strategies - Differences in the Woodland Ecosystem as the Result of Different Management Strategies Introduction: In this piece of work, I am studying the hypothesis, "Differences in woodland ecosystems are the result of different management strategies." This means the way woodlands are managed affect the ecosystems. Places like Bishops wood, need to be looked after and carefully managed, if they are to remain attractive. Bishops wood is very large park and attracts over 90 million visitors a year....   [tags: Papers] 546 words
(1.6 pages)
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The Effects of Mono Lake's Hydrology on its Ecosystem - The Effects of Mono Lake's Hydrology on its Ecosystem Situated at the foothills of the Eastern Sierra Nevada, Mono Lake has an unusual and unique hydrology that is highly influential in shaping the water chemistry (specifically the water's salinity and alkalinity) and biological life that survives there. Mono Lake is a hypersaline, highly alkaline, hydrographically closed basin in which the only natural means of water export is through evaporation. The basin itself was carved out by faulting of tectonic plates that occurred atleast 500,000 years ago....   [tags: Environment Biology Essays]
:: 11 Works Cited :: 3 Sources Cited
2788 words
(8 pages)
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Ecology Lab Report: Creating an Ecosystem in a Bottle - Objective: To create an ecosystem contained in a bottle with both terrestrial and aquatic environments sealed to the outside world. Hypothesis/Predictions: I predict the fish will last for 3 days. I predict the crickets will last for a week. Materials: 1. fish 2. Water 3. 2 plants 4. Soil 5. Rag 6. Graphite 7. 2 Liter Bottle (2) 8....   [tags: essays research papers] 1929 words
(5.5 pages)
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Ecology - ... There are two types of Energy flow they are either producers or consumers. It starts with the producers which are green plants that get their energy from the sun they require water, carbon dioxide and nitrates from the ground. Plants provide protein to the plant eaters a substance they both need to survive. Consumers have a primary and a secondary the primary are the plant eaters they get their food from plants for example there are deer and cows. The secondary consumer are the animals that eat meat, they get their food from the plant eaters for example the mountain lion and hawks....   [tags: environment, ecosystem, organisms, energy]
:: 3 Works Cited
1054 words
(3 pages)
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Endangered/Extinct Species - ... How does the government go about containing and/removing the toads humanely. How will things be handled if children or adults die from the toxins released by the toads. This is what Australia is facing now while a task force works to come up with solutions. (Department of Environment, 2011) Giant pandas are known all around the world for being an endangered species spokesperson, so to speak. Native to China, Burma, and Vietnam, there are approximately 1600 left in the wild today. Captive breeding and species protection, through organizations such as World Wildlife Fund, is helping this species to remain in the world....   [tags: ecology, ecosystem, environment, extinction]
:: 12 Works Cited
1354 words
(3.9 pages)
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Agriculture and the Natural Environment - ... The sands were moved by wind in dry season, which made the barren area continue to expand. There was increasing desertification at that region, and it eventually became desert (Hughes, 41). Soil erosion became more and more serious. With the improvement of farming techniques and the increase of population, the scope of agricultural production was growing. Some areas which were not suit for agricultural production were also opened as farmland. Many parts of the world had conducted a large-scale reclamation, so the vegetation was severely damaged, causing serious soil erosion....   [tags: environment, natural ecosystem]
:: 3 Works Cited
1297 words
(3.7 pages)
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Cultural Eutrophication - ... Nutrient concentration increases due to detergents adding to the discharge. Research done by Smith, Joye, and Howarth (2006) supports this by stating, “There are many problems associated with wastewater discharge, such as the uncontrolled growth of algal blooms that are toxic and waterways becoming clogged. These often find their way into freshwater streams and lakes and can account for half of the phosphorus that is released by human error.” The algae growth that occurs leads to a reduction of oxygen that is contained in the water due to the deposit of these nitrates and phosphates....   [tags: Terrestrial Ecosystem, Nutrient Limitation]
:: 8 Works Cited
2253 words
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Grazing Versus Ecosystem Conservation: Managed Grazing Techniques Must be Implemented - Grazing Versus Ecosystem Conservation: Managed Grazing Techniques Must be Implemented One of the major issues confronting western America is that of environmental conservation and protection versus agricultural essentials and needs. This issue includes the environmentalists' fight against herbicides and pesticides, reservoirs for irrigation water, and livestock grazing on public land. The controversy that this essay confronts will be that of the desire to use public land for livestock grazing versus the importance of preserving the rangeland ecosystem....   [tags: Argumentative Persuasive]
:: 5 Works Consulted :: 5 Sources Cited
3829 words
(10.9 pages)
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Ocean Acidification - ... Breathing into the paper bag was used as a solution because the air being breathed out is trapped in the bag creating a greater carbon dioxide concentration gradient in the lungs allowing his blood to also increase in its carbon dioxide level to bring the overall pH of the blood back to a normal level. <P> 3. A decrease in sea urchin density can reduce coral recruitment and growth because they graze over the algae that coral reefs have to compete with. They maintain resilience and growth of the reefs as they remove the algae that tries to take over the coral habitat....   [tags: atmospheric carbon dioxide, oceanic ecosystem]
:: 2 Works Cited
1020 words
(2.9 pages)
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Guam and Rhino Beetle - ... There is an attempt that has shown promise though. A fungus was brought from the Philippines that is said to have been more successful in exterminating the beetle than the pesticides and the virus. The scientists expose the beetle to the fungus, release again into the wild, and spread the disease to other Rhino Beetles (Miller). The fungus is new to the Rhino Beetle, unlike the virus scientists used in Palau, it has not had time to become resilient towards the disease yet. Although this solution has shown promise, it has not been powerful enough to completely eradicate the problem....   [tags: nature, ecosystem, Palau, palm tree]
:: 8 Works Cited
1405 words
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Commercial Whaling - ... Whale carcasses provide food for all kind of organisms, and the fecal matter from a whale helps regulate the carbon and keep the water at a chemical balance, they also help keep carbon regulated in the air, by helping the aquatic environment (Mynott). Modern day studies have actually proven that whales are also intelligent and loving creatures. The mass slaughter of pods does not need to happen under the name of research. It is wrong to kill peaceful animals that produce food for the bottom of the food chain (Whaling’s Grisly Reality)....   [tags: ecosystem, whale wards, sea shepherd]
:: 12 Works Cited
1701 words
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Biodiversity - Biodiversity Imagine this: you step outside and feel the barren, rough, red Earth beneath your feet. There’s not a single plant in sight—no rustling of the leaves, no mighty towering trees to block the severe winds, and the scorching heat of the sun searing upon your face because there’s no shade. And when you take a whiff of air, you feel nothing filling up the space inside your lungs, liberating your body’s activities. What’s wrong with this picture. It’s not possible, of course. Even though plants aren’t the building blocks of life, they’re pretty close and without them, most of life wouldn’t exist—YOU wouldn’t exist....   [tags: plants extinction ecosystem]
:: 5 Sources Cited
1083 words
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Bioerosion and Reef Ecology - Bioerosion and Reef Ecology The breakdown of calcareous substrates among coral reefs, or bioerosion, is a facet of reef ecology too often forgotten. The process plays a much more important role than it is usually credited with. Bioeroding species, consisting of many different types of organisms that act on the environment in a seemingly endless variety of ways, interact with the ecosystem and with each other as part of the reef growth and degradation cycle. The degradation portion of this cycle, the part that is most often overlooked, is essential for the development of reefs as the diverse and beautiful habitats that we know them as....   [tags: Bioeroding Ecosystem Ecology Essays]
:: 9 Works Cited :: 1 Sources Cited
3565 words
(10.2 pages)
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Temperate Deciduous Forest and Missouri - ... Missouri shares the same qualities. It is only fitting that the two ecosystems are the synonymous. It has been said over and over and it will be repeated again; Missouri belongs in the temperate deciduous forest biome because both regions have similar climate, locations, terrain, flora, and fauna. Works Cited "Abutilon theophrasti Medik. velvetleaf." USDA. USDA. Web. 27 Nov 2013. Alphonse, Marlene. "Deciduous Forest Plants." Buzzle. N.p., 1 Mar 2013. Web. 27 Nov 2013. "Amphibians and Reptiles." mdconline Missouri Department of Conservation, n.d....   [tags: temperature, biome, precipitation, ecosystem]
:: 37 Works Cited
888 words
(2.5 pages)
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Value of Biodiversity and the Preservation of Species - Value of Biodiversity and the Preservation of Species As a result of the increasing environmental awareness of scientists and laymen, new issues have evolved around pressing ecological problems. Ecologists have discovered how important retaining biodiversity really is to humanity. While politicians often have other economic agendas, environmentalists are working hard to push this relatively new knowledge through political institutions using economic arguments. The preservation of our surroundings can create new jobs and promote economic efficiency, more so than the jobs which are currently destroying our ecosystem....   [tags: Nature Ecosystem Science Biology Papers]
:: 6 Works Cited :: 5 Sources Cited
4519 words
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ecosystems - Factors of Community: 1. Interactions between the climate and topography a. “Rainfall, soil, temperature” 2. The food and resources that grow 3. Other specific resources necessary for a species to survive and adapt to. (Ecological niche) 4. Species interaction 5. Physical disturbances, addition/removal of certain species -These factors determine population sizes of an ecosystem. -Conditions of arctic regions don’t allow many animals to live there due to the low temperature. Niches: (all relationships in which species engage in order to survive and reproduce) -Fundamental Niche is a theoretical niche, where there are no constraints or limited resources) -Realized Niche is the actual niche, where there are constraints on resources) Symbiosis: (“living together” Species interacting in +, -, and = ways) Mutualism (++) -Both species in interaction benefit -Obligatory Mutualism -One species cannot grow/reproduce without another species EX....   [tags: essays research papers] 2403 words
(6.9 pages)
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Coral Bleaching: Potential Mechanisms and Observed Adaptations - Coral Bleaching: Potential Mechanisms and Observed Adaptations Coral reefs are the most biologically diverse marine ecosystems. Driving this diversity are cnidarian corals which are obligate mutualistic symbioses between coral animals and dinoflagellate algae of the genus symbiodinium. These algae are commonly called zooxanthellae. This symbiosis between heterotrophic hosts and photosynthetic symbionts allows coral to thrive in nutrient poor seas and deposit calcium carbonate to build reefs (Toller et al....   [tags: Sea Coral Corals Ecosystem Papers]
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2776 words
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The Importance of Biodiversity - ...  What is biodiversity and how is it linked to ecosystem. Biodiversity is the diversity of life in an area. There are three kinds of biodiversity. Genetic diversity, species biodiversity and ecological diversity. The higher the proportion of diversity in a region, the greater opportunities we have for medical recoveries & economic development .Biodiversity actually controls ecosystem around us if we have a healthy biodiversity there will be more chances to prosper as at least 40% of the world’s economy and 80% of the human needs are derived from biological sources used to produce ecosystem services....   [tags: Ecosystems]
:: 4 Works Cited
1537 words
(4.4 pages)
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Value in Nature - Our classical humanist ethic requires that all duty attach itself to an individual “self”, a value-able entity with rights and duties of its own. But nature operates on a different basis: “there are no rights in the wild, and nature is indifferent to the welfare of particular animals” (Rolston, p.75). In order to formulate an autonomous environmental ethics, then, we must be able to move beyond the humanist focus on the self, towards a new source of value and a new type of value. In this essay, I intend to examine the idea of value in nature, drawing especially on Holmes Rolston III’s concept of systemic value and ecosytemic ethics and Aldo Leopold’s land aesthetic (as presented by J....   [tags: Ecosystems] 1994 words
(5.7 pages)
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The Loss of Biodiversity on the Ecosystems - The Loss of Biodiversity on the Ecosystems A person’s health and welfare is subject to ecosystem benefits supplied by natural surroundings, such as the purification air and water, fisheries, woodlands, and nutrient recycling. These are principally commodities with no retails as well as no prices, hence their depletion frequently is not sensed by new economic money methods and may thus endure unrestricted. Resulting in a variety of pressures from population growth to climate change that causes biodiversity to deteriorate, and ecosystems are ceaselessly being defiled (EPA, 2011)....   [tags: Environment, Environmental Protection Agency] 981 words
(2.8 pages)
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Ecosystems at Risk - Ecosystems at Risk The ecosystem at risk that I have chosen to research is the Himalayan Mountain range. Considering the mountain range covers a very large area, the ecosystem type has been narrowed down to the Alpine variety. The 2 500 kilometre long Himalayas stretch across three countries; India, Nepal and China (Tibet). The width of the mountain range varies from 100-400 kilometres, giving a total area of 594 400 square kilometres. [IMAGE] http://www.nationalgeographic.com/xpeditions/atlas/index.html?Parent=asia&Rootmap=nepal 2....   [tags: Papers] 1504 words
(4.3 pages)
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Marine and Coastal Ecosystems Degradation - ... Minerals located in and around the ocean are also at risk of being depleted as a result of the invasion of more sophisticated technologies. Ecological and Biodiversity Health Population growth in coastal regions coupled with urbanisation and industrialization has resulted to land reclamation for developing new cities, construction of habours and ports thereby affecting ecosystem of coastal areas especially estuaries, coral reefs and wetlands. From 1990 to 2008, there was an average sea reclamation of 285 km2 annually in china and since 1950s China has lost 57% of its coastal wetlands, 73% of its mangroves, and 80% of its coral reefs (CCICED, 2010)....   [tags: oceans, coastal marine]
:: 4 Works Cited
1299 words
(3.7 pages)
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Underwater Enviroments and Ecosystems - ... (Coris.noaa.gov, 2014). The research done by the NOAA suggests the number of species of coral in a reef lowers in number the deeper in the ocean the reef is located. The three types of reefs are fringing, barrier, and atoll structures, according to the NOAA; these were found to be three different stages of atoll reef structure formation by Charles Darwin (Coris.noaa.gov, 2014). The most common type of reef is fringing structured reefs that grow alongside coastal shores around islands and warm watered continental areas (Simon, 2014, 14)....   [tags: Coral Reefs, Kelp Forests]
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1614 words
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Fishing Disaster - Fishing Disaster Background: The ocean around the rocky shores of Newfoundland were once so full of cod that explorer John Cabot marveled in 1497 that they virtually blocked his ship. In the centuries to follow, fish became the one of the only reasons anyone ever came to Newfoundland, or stayed. Cod was the center of life in the Canadian Maritimes from the beginning. Starting in the 1950's, Huge European trawlers began to travel across the Atlantic to fish the waters off Newfoundland. Some refered to these super-ships as "Fish Factories"....   [tags: Environment Ecosystem Environmental Essays] 581 words
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The Differences between Natural Ecosystems and Agro-Ecosystems - The Differences between Natural Ecosystems and Agro-Ecosystems An ecosystem is by definition the processes and interactions of the biotic community (living organisms) and inorganic component (physical and chemical features) of a particular environment. In a natural setting a stable, or climax ecosystem represents a state of natural equilibrium, whereby all occupant species compete for resources, and energy and nutrient cycles are balanced. Human farmers effectively out-compete most natural species for resources, and through select harvested species export energy and nutrients for consumption elsewhere; this is an agro-ecosystem or plagioclimax....   [tags: Papers] 2214 words
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Learning Within E-learning Ecosystems - ABSTRACT This paper evaluates the critical success factors within an e-learning ecosystems namely the principles and methods, processes and systems, and substance and content of teaching and learning. A qualitative approach was adopted to evaluate the critical success factors involving two principal data collection methods; a thorough and systematic review literature and in-depth interviews with e-learning providers. The interviewees corroborated the need for an effective model of e-learning in which, each of these factors provide impetus to each other by functioning as a unit, contributing to overall e-learning success....   [tags: E-Learning] 1468 words
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Ecosystems and Environmental Discourse - Ecosystems and Environmental Discourse What is an ecosystem. At first glance, this seems to be a straightforward question, one to be answered by environmental scientists. However, the concept of an ecosystem, or more specifically, the action that posits the existence of an ecosystem, raises a series of questions that challenge some basic assumptions about the environment. For instance, is an ecosystem a concrete object in the same way that a stone or a tree is. Or instead, is an ecosystem a set of interactions between such objects....   [tags: Essays Papers]
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4091 words
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The Impact of Invasive Species on Ecosystems - The Impact of Invasive Species on Ecosystems             Influence on ecosystems range from human causes like the bulldozing of a forest to natural causes like a fire or a flood.  In recent times, the introduction and spread of invasive species has transformed native communities rapidly and, in some cases, created irreversible damages.  In the Earth’s history, changes have often occurred in the ecosystems.  For example, glaciers and the retreat of glaciers cause wide-spread changes.  However, although change is a constant in ecosystems, animals and habitats often cannot adapt to the rapid alterations of non-natural stresses....   [tags: Environment Environmental Pollution Preservation]
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2975 words
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Animal Disturbances in Eastern Deciduous Forests - The study of ecology is currently primarily focused upon anthropogenic effects on ecosystems as well as feeding relationships; however, non-feeding interactions are also an important factor in understanding the balance of the ecosystem and identifying issues. These interactions are generally termed disturbances. What constitutes a disturbance. White and Pickett defined it as “any relatively discrete event in time that disrupts ecosystem, community, or population structure and changes resources, substrate availability, or the physical environment” (White 1985)....   [tags: Ecology, Ecosystems] 2592 words
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The Significance of the Nitrogen Cycle in Ecosystems - The Significance of the Nitrogen Cycle in Ecosystems Nitrogen makes up about 80 per cent of the Earth's atmosphere as a gas. However the gaseous molecule is very stable and has to be transformed before it can be used by most organisms as it is only available to them when it is ammonium or nitrate. It can only be removed from the atmosphere in two ways: by lightning and by nitrogen fixation. Only a few species can convert nitrogen by nitrogen fixation to biologically useful forms....   [tags: Papers] 968 words
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Effects of Wildfires on Forest Ecosystems - Ecological Restoration of Forests and Fires One of the most predominate ecosystems is the forest community. Covering about one-fourth of the land area on Earth, forests consist mainly of trees and other woody vegetation, growing closely together. The trees can be large and densely packed, as they are in the coastal forests of the Pacific Northwest, or they can be relatively small and sparsely scattered, as they are in the dry tropical forests of sub-Saharan Africa. Forests are complex ecosystems that also include “soils and decaying organic matter, fungi and bacteria, herbs and shrubs, vines and lichens, ferns and mosses, insects and spiders, reptiles and amphibians, birds and mammals, and many other organisms” (Audesirk, 2003)....   [tags: essays research papers] 1979 words
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Uganda: A Land of Pristine Beauty and Astonishing Ecosystems - Like a fairy tale at the top of a railroad, Uganda is a land of pristine beauty and astonishing ecosystems. From tall volcanic peeks in the East and Western borders, to the wetlands of the Albert Nile River, and the densely growth of rainforests of the North; Uganda has a rich soil that combined with its geographical location of central Africa has the ability to have coffee that has become both a mainstay of the agricultural economy and a favorite of connoisseurs around the world. The languages of English and Swahili, combined with mixtures of cultural dialects that exist throughout the nation, the religions of traditional African belief structures and Christianity are the main two of the region....   [tags: International Government ]
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Microphytic Soil Crusts and Desert Ecosystems - Microphytic Soil Crusts and Desert Ecosystems Communities of micro-organisms create crusts on soils throughout semi-arid and arid regions of the world. These microphytic (also called cryptogamic) crusts are formed when all or some of a diverse array of photosynthetic cyanobacteria (blue-green algae), fungi, bacteria, lichens and mosses, bind together with inorganic particles in the first few millimeters of a soil. Microphytic crusts are dominant feature in desert soils; they are estimated to represent approximately 70% of desert soil biomass world wide (Belnap 1993)....   [tags: Soil Soils Agriculture Ecology Papers]
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2331 words
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Mass Destruction of Ecosystems to Accommodate the Automobile - Mass Destruction of Ecosystems to Accommodate the Automobile Mitigation, to the dismay of some, has become publicly synonymous with notions of preservation and conservation. Mitigation is neither the ‘preservation’ nor is it the ‘conservation’ of habitat. Mitigation is the creation of new habitat, or the guarding of an existing habitat to "make up" for the destruction of similar habitat somewhere else. It was the infamous environmental buzz word of the nineties, notorious for its criticism and praise by developers....   [tags: Environment Environmental Mitigation Essays]
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3789 words
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The Negative Effects of Humans and Nature on Florida’s Marine Ecosystems - Nature designed Florida to be one large marine ecosystem. Florida is one big sand peninsula located below the 40th longitudinal North American line. Three bodies of salt water (Gulf of Mexico, Strait of Florida and Atlantic Ocean) surround three out of four directions of Florida. Man-made canals, natural lakes, rivers and estuaries are confined within the State of Florida’s physical boundaries. All of these form an interlocking system of waterways that impact the interconnected marine environment (marine ecosystem)....   [tags: Environment, Pollution, Recycling]
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2053 words
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Effects of Illegal Whaling in The Southern Ocean Whale Sanctuary on Benthic and Pelagic Ecosystems - Whaling in the Southern Ocean Whale Sanctuary (SOWS) is an ongoing issue despite laws and regulations prohibiting commercial hunting in these waters. Whaling fleets from Japan use scientific research to justify continued whaling in the Southern Ocean. Weak enforcement of the regulations set up in the SOWS has allowed countries, most notably Japan, to continue their hunts with little interference. If whaling continues in the SOWS, it may lead to irreversible effects to the ecosystem of the Southern Ocean....   [tags: Ecology]
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1729 words
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Feedback Effects of Soil Carbon Cycling in Northern Ecosystems - Feedback Effects of Soil Carbon Cycling in Northern Ecosystems Global warming will be greatest in mid-continental North America and Eurasia, where temperatures are predicted to increase 4 - 12_C during the winter and 2 - 6_ C in summer (Kasischke et. al, 1995). This warming will shift the boreal forest, bog, and tundra biomes that dominate these areas northward as much as 500 km in the first hundred years of warming (Toward...1988, qtd. in Varallyay, 1990). Alaskan studies indicate that these changes are already influencing ecosystem function and carbon balance in northern ecosystems (Grulke et al....   [tags: Science Chemistry Essays]
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2579 words
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Review of Wolves and the Ecology of Fear: Can Predation Risk Structure Ecosystems? - In this article, authors William Ripple and Robert Beschta focus on the issue of predation and the way it affects biodiversity and otherwise alters ecosystems. While many other studies have stressed the lethal effects of predation by carnivores, the authors of this study have chosen to focus on how nonlethal outcomes of predation affect the structure and function of ecosystems. The authors give two main objectives to their study: first to provide a short synthesis of the potential ecosystem responses to predation risk in a three-level trophic cascade involving large carnivores, hoofed animals, and vegetation; and secondly to present research that centers on wolves, elk, and woody browse species in the northern area of Yellowstone National Park....   [tags: Ecology] 744 words
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Life on Earth - ... With every cause of humans, there is an effect. Daniel Janzen, a journalist for Science Magazine as well as an ecologist in tropical animal-plant interactions, discusses the footprint humans leave on the environment. He believes humans are the problem. “Why can't the wild tropical species be left ‘out in the wild’ to fend for themselves. Because the wild is at humanity's mercy. Humanity now owns life on Earth. It plans the world, albeit with an unintended here and an uninformed there. Until the Pleistocene, not more than a few thousandths of 1 percent of the Earth's surface was ours....   [tags: Biodiversity, Ecosystems, Plants, Humans] 1741 words
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How Pollution Affects Ecosystems and the Global Climate - How Pollution Affects Ecosystems and the Global Climate Introduction The main theme of our lesson is how pollution affects ecosystems and the global climate. We aim to teach 4th and 5th grade students about erosion in order for them to gain awareness about the anthropogenic (human-induced) impacts on the environment and global climate change as well as to generate ideas on how they can reduce their own ecological footprints. We feel this is important because the lesson not only educates students, but also motivates them to take action....   [tags: Lesson Plan Teaching Pollution Essays Papers]
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2454 words
(7 pages)
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Effect of Stratospheric Ozone Depletion on Aquatic Ecosystems - The Effect of Stratospheric Ozone Depletion on Aquatic Ecosystems Introduction Throughout the years, advances in technology and scientific development have greatly influenced our global community. Various anthropogenic factors, such as the increased combustion of fossil fuels and widespread usage of manmade chemicals, have greatly affected the planet's atmosphere and it's ozone layer. Ozone Depletion The stratospheric ozone layer is the Earth's natural means of protection from the Sun's damaging ultraviolet rays....   [tags: Geology] 834 words
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The Effect of Increased Ultraviolet Radiation on Marine Ecosystems - The Effect of Increased Ultraviolet Radiation on Marine Ecosystems Abstract Nearly 80 percent of the Earth's surface is covered with water, nearly all of it being in the form of oceans. Therefore, any environmental changes that are sensed on a global scale are certainly expressed in aquatic ecosystems. The purpose of this paper is to explore the nature by which one aspect of the changing environment, ultraviolet radiation, affects the sensitive balance of the oceans. Specifically, the focus will be on the relationship between increasing ultraviolet radiation and the survival of phytoplankton, fish, and other aquatic animals....   [tags: Geology] 906 words
(2.6 pages)
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The Importance of Riparian Areas - Riparian areas are the areas that surround rivers, streams, lakes, etc. The word “ripa” is Latin for bank. They are the transition zone between aquatic and on land ecosystems. It wasn’t until recently that riparian areas have been viewed as important places, rather than ‘sacrifice’ areas that could be given up for livestock and crops. They take up a small part of our earth, but they are vital to ecosystems and to the water they surround. The roles of riparian areas are rather simple, but they are extremely important to vegetation, wildlife, water, and us....   [tags: Ecosystems] 615 words
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Adverse Impacts of Landscape Fragmentation on Biodiversity - Adverse Impacts of Landscape Fragmentation on Biodiversity Landscape fragmentation can impose devastating and irreversible consequences on the biodiversity of ecosystems. Because of the conflicting interests between ecology and human economic benefit, it has become increasingly important to find solutions for a harmonic balance. It is imperative for people to recognize the impacts of biodiversity loss and increased extinction of many species. These impacts must be understood in order to protect landscapes and the immense biodiversity they contain....   [tags: Environmental Ecosystems Essays]
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Kānuka and Gorse as Ecosytem Engineers: A Study on Motutapu - Kānuka (Kunzea ericoides) is the primary successional plant used on Motutapu island for regeneration of original native species assemblages. This study investigates contrasts floral and invertebrate diversity between kānuka and gorse (Ulex europaeus), a plant which has been used elsewhere as an efficient primary successional shelter, and as an equivalent harbour for invert diversity. Six stands, three of gorse, three of kanuka, were sampled using transects totalling five samples per stand. The stands measured were too immature to support understory, but kānuka was significantly more diverse in invert fauna than gorse....   [tags: Ecology]
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2167 words
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The Importance of Fire in Ecosystems - The Importance of Fire in Ecosystems Fire is an important part of many ecosystems, affecting wildlife populations in various ways, such as by changing habitat, affecting food supply or quality, or by altering interactions of species. Fire suppression has allowed forested areas to achieve a climax state, which provides less forage for wildlife. While terrestrial wildlife is benefited by fire, large fires through the increase in sediment flow negatively impact aquatic ecosystems. Fire is essential in maintaining biological diversity in the Northern Rocky Mountain forests....   [tags: Papers] 942 words
(2.7 pages)
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Coral Reef Ecosystems - Coral Reef Ecosystems What is a coral reef. Coral reefs are the most biologically diverse marine eco-systems on earth, rivaled only by the tropical rainforests on land. Corals grow over geologic time and have been in existence about 200 million years. Corals reached their current level of diversity 50 million years ago. The delicately balanced marine environment of the coral reef relies on the interaction of hard and soft corals, sponges, anemones, snails, rays, crabs, lobsters, turtles, dolphins and other sea life....   [tags: Papers] 894 words
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The Effects of Off-Shore Drilling on Marine Ecosystems - The environmental impact of the planet is closely related to a problem that arose from the increasing use of Oil: the reduction of emission levels of toxic chemicals and so-called "greenhouse gases", and reducing oxygen levels. Man has caused disasters on ecosystems by killing large number of species of all kinds. Among the most serious disasters that threaten biodiversity are oil spills in the seas and oceans. The contamination by crude oil or refined oil (diesel, gasoline, kerosene and other products obtained by fractional distillation and chemical processing of crude oil) is accidentally or deliberately generated from different sources....   [tags: Environment, Environmental] 1765 words
(5 pages)
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Global Warming - ... The global temperature is now increasing at a fast rate if compared with the previous years, and scientists surely try to find the causes of this natural disaster connecting it with the human activity, the processes of the sun, etc. In case the emissions causing global warming are curbed, the effects may be less observed inspiring much confidence and security on the part of people. The Causes of Global Warming Maslin (2007) stated that global warming was due “to the massive increase in greenhouse gases, such as carbon dioxide, people are putting into the atmosphere” (p....   [tags: changing ecosystems, earth's temperature]
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1350 words
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Urban Runoff - ... Most of these cases of illness occurred during the summer—between 57% and 80% of all cases—due to the increased volume of beachgoers during the summer season (Brinks). The study found that the overall risk of developing a gastrointestinal disease from contaminated beach water is relatively low—only 1.26% on average (Brinks). Perhaps more troubling, however, is that the study also found that 71% of the cases of gastroenteritis were contracted from beach water that was deemed safe for recreation (Brinks)....   [tags: Pristine Ecosystems, Fish Disease]
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2126 words
(6.1 pages)
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Corn, Broccoli, Grass or Balanced - ... A healthy diet is a balanced diet filled with nutrients that is ethically and traditionally produced. The only way to get such agriculture is from a sustainable farm, a farm where animals get to live accordingly to their natures and to all appearances do not suffer (Pollan 327). Historically speaking, this is the type of farm our ancestors have operated in order for our specie to evolved into the anthropocentric creatures that we are today (Pollan 320). Practicing the farming techniques that our ancestors had or just the technique used before the industrial food chain revolution would eliminate and decease some of the diet-related health issue that the nation is currently facing....   [tags: Food Supply, Ecosystems, Pollution]
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2186 words
(6.2 pages)
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Hunting Helps the Environment - It is early in the morning; the majestic Elk bugles in the distance. The sun is kissing the tops of the peaks with the most beautiful gold, and painting the clouds rose red. The men and women who enjoy the outdoors whether it is hunting or just hiking help make these types of moments possible. Hunting and the ecosystem is tied closely to conservation of land and animals. The articles of “Hunting and the ecosystem” written by the South Dakota Game Fish and Parks Department (SDGFP), and “Facts and statistics on wildlife conservation” written by Roger Holmes, director of the Fish and Wildlife, touch on how hunting is important in the environment to keep a good balance in the ecosystem....   [tags: Argumentative Persuasive Papers] 913 words
(2.6 pages)
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Forest Restoration - Many people do not understand the definition of restoration. Restoration of the forest is returning it to its most natural state. However, the forest is not a single use area; it houses some of the most important recourses on Earth. Furthermore, it generates revenue for more than one industry in the United States economy. There are two types of restoration, active and passive but, the focus of this paper is to describe some of the most common active restoration techniques and how it positively influences the environment and economy There are many ways and techniques of restoration some using heavy machinery and some using no equipment at all....   [tags: Conservation ]
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2208 words
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Lesson Plan Background: Pollution and Global Climate Change - Lesson Plan Background: Pollution and Global Climate Change Introduction: This lesson about pollution focuses on greenhouse gases. Students will learn about greenhouse gases and how they affect ecosystems. The students will understand the greenhouse affect and how their actions relate increasing concentrations of greenhouse gases. In the lesson, students will define the properties of an ecosystem, learn to identify the ecosystems they live in and how they interact within an ecosystem....   [tags: Lesson Plan Global Warming Teaching Essays]
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2291 words
(6.5 pages)
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Sustainability of Agriculture - What is a Sustainable Agriculture. To define the sustainability of agriculture, we must look into the several relationships agriculture has with the basic nature of making something sustainable. In this research literature, we will look at the factual information regarding agricultural practices as they relate to the long-term stability of biodiversity, ecosystems, and Natural resources. We will also compare historical and modern perspectives of economics as they relate to resources and sustainability....   [tags: Environmentalism / Economics / Agriculture]
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1327 words
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