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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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The Rainforest: More Than an Ecosystem -   An ecosystem is a community of all organisms in a given area, and the physical environment which they interact with. On the land there are terrestrial ecosystems such as forests, grasslands or rain forests; and in the water there are freshwater and marine ecosystems such as lakes and, say, coral reef. The rain forest is an energetic ecosystem. This means that the rain forest vegetation grows quickly and when dead, decomposes extremely quickly. Rain forest biome is very complex. It includes a myriad of different species of plants and animals that are all adapted to rain, and lots of it....   [tags: organisms, physical environment]
:: 5 Works Cited
885 words
(2.5 pages)
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The Meaning of Ecology and Ecosystems - The meaning of Ecology is the connection that exists between living organisms and their environment. From the largest animal on Earth to the smallest, they all share our world with us. The ecosystem is connected by the flow of matter and energy and as organisms eat and dispose of matter it supplies them to sustain life. Across the planet various densities of uneven configurations accumulate minerals and nutrients. For example “Energy necessary for all life processes reaches the earth in the form of sunlight....   [tags: environment, ecosystem, organisms, energy]
:: 3 Works Cited
1054 words
(3 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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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 - There are many similarities and differences between species within our diverse ecosystem. There are many different types of plants and animals, some more similar than others. Not surprisingly, these similarities also give light to a large amount of differences between kingdoms and even species. Analyzing these species and their differences and similarities helps to give understanding to our incredibly diverse ecosystem. Plants make up a large portion of life on Earth. There are four major groups of plants; bryophytes, ferns, gymnosperms, and angiosperms....   [tags: plants, animals, species, reproduction] 1264 words
(3.6 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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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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Corporations and the Ecosystem - We live in a fragile environment that is for the most part under our control and we should not abuse that power by letting corporations abuse it. These corporations abuse or ignore the regulations of pollution and have repeatedly gone past the limits. These corporations should not be allowed to devastate the world and ecosystems that people live in but also the numerous animals and plants which have no choice but to cope with what we create. With the current system we live with the future is bleak due to the current consumption of current resources, it could be that in the near future we could be looking for food in every part of the western world....   [tags: Pollution, Animals, Plants, Natural Resources]
:: 6 Works Cited
1781 words
(5.1 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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Freshwater Ecosystems - ... Stability, resilience, and food web fluxes depend on the diet of fish, which can balance the trophic structure (Hammer & Holmlund 1999). This balance varies by climate, temperature, disturbances, seasons, nutrient content, and water depth (Hammer & Holmlund 1999). Fish make nutrients available for primary production resulting in available nutrients and potential algae in nutrient-rich waters (Hammar & Holmlund 1999). Another way in which fish release nutrients in the water is by bioturbation, the physical act of unsettling sediment (Hammer & Holmlund 1999, & Vanni 2002)....   [tags: aquatic ecosystem, organisms, substance]
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1588 words
(4.5 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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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 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 Works Cited :: 5 Sources Cited
2060 words
(5.9 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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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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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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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 Works Cited :: 1 Sources Cited
424 words
(1.2 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 ]
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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 miti...   [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]
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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 Works Cited :: 6 Sources Cited
1056 words
(3 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 be...   [tags: Environment Nature Descriptive Essays]
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1614 words
(4.6 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 Works Cited :: 5 Sources Cited
1383 words
(4 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]
:: 14 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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The Importance of Wildlife Conservation - ... Marshal Law would go into effect with millions of lives lost due to murder and protecting one's family. The world would become a dark and bloody place. All life of Earth would eventually cease to exist. To better fathom how wildlife affects the ecosystem start by focusing on a smaller part of the ecosystem ladder such as Yellowstone National Park. According to David Stauth, towards the end of the "1800s" humans began to eradicate the wolf population in the Yellowstone area. (David Stauth) By "1926" the wolf population was destroyed....   [tags: ecosystem, earth, extintion]
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1626 words
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Biodiversity: How Ecological Systems Link Us Together - ... Without this agent, the plant species or crop species cannot undergo the pollination process and cannot produce their yield and seed to continue their species. Besides that, fungi and bacteria species also give their support in food production by preparing the soil condition and make the soil available for plant growth. Secondly, biodiversity is important to the pharmaceutical. Biodiversity contributes a vast amount of natural resources to human survival; one of it’s contributions is in the pharmaceutical industry....   [tags: species variation, ecosystem, life]
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1133 words
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Impact of Tourism Industry to the Environment - ... For example, when we have new hotels, if they use solar for their power, if they use organic materials, if they use biodegradable and even reuse water to cover the field and even the golf courses for watering the golf courses; when you say tourism development you also pertain to practices and management systems. An example is corporate social responsibility wherein hotels their management reaches out to the community to help them with regards to the environment, to have coastal cleanup, and do tree planting....   [tags: Philippines, natural reserve, ecosystem]
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2034 words
(5.8 pages)
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Agriculture and the Natural Environment - Introduction Agricultural activity is the earliest human’s activity on the natural ecosystem. It not only changes the local natural ecosystem but it also has a huge impact on the ecological environment. When many scholars trace back the historical roots of the problems of ecological environment, naturally they will be concern about the traditional mode of agricultural production, even back to the age when the foundation of traditional agricultural technology system was formed. Agricultural development for thousands of years both created a splendid civilization, but also accumulated a lot of environmental problems....   [tags: environment, natural ecosystem]
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1297 words
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The Decrease in Puma Population - ... They try to go after weak, sick, or old prey. Pumas eat at a higher rate than some animals and may require nourishment faster; this will make them hunt more than some and needs their prey to keep up with them. Some groups monitor the pumas kill rates to make sure that their prey will not diminish. Cougars use a very dangerous hunting method when hunting their food. The puma will pounce onto its back and bite into its neck until it is dead, this is dangerous because the bigger animals may buck it off or rub it against a tree killing them....   [tags: cougars, puma extinction, ecosystem]
:: 7 Works Cited
958 words
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Fantastic Adventures: False Bottom Creek - ... There wasn’t any knew animals spotted but there were some fresh deer tracks and a significant increase in deer fecal matter. Words cannot express how much deer fecal matter there was at our spot yet not a single deer was spotted in our area. Finally on our fourth visit, due to schedule conflicts the visit was made one day earlier than usual. The weather was fair but not too great; it was chilly 41 degrees Fahrenheit or five degrees Celsius. Once again due to unpredictable weather snow was present on our journey to our spot, from the storm the night before, but it wasn’t as abundant due to the weather on the day of our visit....   [tags: plants, animals, parks, ecosystem]
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1800 words
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The Appalachian Mountain Range - ... Metamorphisized sandstone built the base of the Great Smokey Mountains. Lava and other sediments formed the Blue Ridge Mountains (Clark). The southern Appalachian Mountains range in elevation from 2000 feet to 6000 feet, with the highest peaks located in the Blue Ridge range. While not covered in ice during the last ice age, the glaciers did force many animals to migrate south forming a unique ecosystem that still exists today (Clark p. 17-18). The Southern Appalachian Range illustrate their own geologic history and unique formation pattern....   [tags: hillbillies, moonshine, ecosystem]
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1167 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 Cited :: 5 Works Consulted :: 5 Sources Cited
3829 words
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Defining Biodiversity Among Organisms - ... Tree cover should be maximized. Street trees should be planted along with boulevards alongside the watershed. Schools should be encouraged to plant trees and urban forestry should be initiated. The water quality of this watershed is another problem posing a grave threat to this area. Non point source pollution should be installed in addition to culver inspection. Pollution prevention education programmes should be initiated along with encouragement of private owners to adopt a pesticide free and cosmetic free landscaping....   [tags: industrial development,ecosystem, species]
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1288 words
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Economically Evaluating Wetlands - Wetland is a term that can be used to describe wet habitats, such as bogs, fens, marshes etc., that experience either permanent or occasional inundation of water that allows either for hydrophytes to establish or for hydric soil to form (EPA, 2005). Additionally wetlands can be termed as ecotones, as these locations transition between aquatic and dry land ecosystems and in spite of these systems being incredibly diverse from each other they are very much dependent on each other for the establishment of the unique wetland ecosystems (Mitsch & Gosselink, 1993)....   [tags: wet habitats, ecosystem]
:: 26 Works Cited
2012 words
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Malibu and Yosemite Benefits from Wildfires - Malibu and Yosemite share similar ecosystem, which encourages wildfires and periodic firestorms. In his book Ecology of Fear, Mike Davis argues that Malibu should burn because wildfires are a part of its history. To illustrate his point, he relates numerous historical events from the first settlement of the region to modern days. Despite the high frequency of wildfires in Malibu, humans have continued to settle there in droves. Those settlers have fought the fires, which has done nothing but augment their intensity....   [tags: controlled burn, fire, ecosystem, ecology]
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1168 words
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Guam and Rhino Beetle - Nature is a balancing act. When a certain balance of a simple, natural ecosystem is disrupted, it becomes dangerously unstable. This is exactly what happened, and is currently happening, to the island of Guam. This two hundred and nine square mile island has a very simple ecosystem. The only native mammal here is the Mariana fruit bat (Miller). Consequently, when human development started on Guam its animal kingdom started to become quite unstable. For example, the brown tree snake has wiped out half of the bird population and is currently downsizing the population of rats....   [tags: nature, ecosystem, Palau, palm tree]
:: 8 Works Cited
1405 words
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Endangered/Extinct Species - Ecology is the study of relationships among organisms and the environment within an ecosystem. (Hoefnagles, 2012) In other words, ecology is all living things together in a specific environment, such as the plants and animals of the rainforest, and how they interact. Mankind has had many impacts on the ecosystem – rapid development, depleting natural resources, overhunting, and pollution of various kinds- all of which have resulted badly for other species within our world. There are also natural occurrences which can affect species – acid rain, natural selection, predators, disease, and asteroid/cosmic radiation....   [tags: ecology, ecosystem, environment, extinction]
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1354 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]
:: 10 Works Cited :: 1 Sources Cited
3565 words
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Cultural Eutrophication - The process of eutrophication happens when natural as well as artificial nutrients, mostly nitrates and phosphates, find their way into an aquatic or terrestrial ecosystem. When these nutrients are added to a water body or soil the consequences can show up in numerous forms. One that flourishes when there is extra nutrients is the growth of the microscopic organisms known as phytoplankton (blue-green algae) in freshwater rivers and lakes. When there is an overabundance of them in a lake or river they show up as a green color on top of the water....   [tags: Terrestrial Ecosystem, Nutrient Limitation]
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2253 words
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Temperate Deciduous Forest and Missouri - Warsaw, Missouri holds the record for both the coldest and the hottest temperatures ever recorded in Missouri ("Missouri Facts and Trivia"). The temperate deciduous forest is home to unique ecosystems and plentiful wildlife and vegetation. The temperature and precipitation in this biome is not too high or too low, hence the word temperate in the name. The terrain in the temperate deciduous biome has a great effect on the adaptations of the living organisms in the area. Missouri belongs in the temperate deciduous forest biome because both regions have similar climate, locations, terrain, flora, and fauna....   [tags: temperature, biome, precipitation, ecosystem]
:: 20 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]
:: 11 Works Cited :: 5 Sources Cited
4519 words
(12.9 pages)
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Ocean Acidification - 1. The Keeling curve is a measurement of atmospheric carbon dioxide concentrations in a certain region or space. From this graph it is apparent that carbon dioxide concentrations have gradually increased over 60 ppm (parts per million) in a time span of 50 years. The Keeling curve measurements are substantial because they are able to gradually show the increase of carbon dioxide concentrations although they marginally fluctuate with the seasons due to the interchange of respiration and photosynthesis....   [tags: atmospheric carbon dioxide, oceanic ecosystem]
:: 2 Works Cited
1020 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]
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1701 words
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Artificially Engineered Madness Examination - ... Monsanto’s next infamous product made no attempts to hide that it was malicious and meant to destroy. Agent Orange was a tactical herbicide Monsanto began producing in conjunction with the US government for use in the jungles of Vietnam. An equal combination of 2,4-dichlorophenoxyacetic acid (2,4-D for short) and 2,4,5-trichlorophenoxyacetic acid (2,4,5-T), the chemicals were sprayed by boat, plane, fire engine, and quite literally any other method that they could be delivered so that peasants living in the countryside would be forced to flee to the larger, US-dominated cities thus leaving the Viet Cong without food and their rural support network....   [tags: pesticide ddt,monsanto,agricultural ecosystem]
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The Importance of Biodiversity - Introduction Biodiversity refers to wide diversity found in the living components of the earth which refers to the numerous varieties of flora and fauna including those of microorganisms too. The interaction of biotic and abiotic components of the ecosystem is very important aspect of life on earth. Biodiversity helps us to understand the variations among species and also how life originated on earth. Its study helps us to understand the inter-relationship between various forms of life and their adaptation to different conditions....   [tags: Ecosystems]
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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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An Eco-Critical Approach; A Study of Select North East Indian Poets - ... Among Indian writers, who have written on the concerning relationship of man and nature, the story by A K Ramanujan, 'The Flowering Tree' can be mentioned. The story inspired from folktales, depicts the tale of a girl who can transform herself into a flowering tree. The symbol of the tree giving sustenance for the girl and her family portrays the relation of nature and how it has been sustaining life. But the destruction of the tree signifies the crumbling of the this delicate relationship. It also highlights the problem of deforestation and its effects....   [tags: ecosystem, ecocrticism, indian poets]
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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
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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
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Marine and Coastal Ecosystems Degradation - The ocean still remains as one of the important natural resource capital of many nations. The numerous benefits (food, climate regulation, nutrients recycling, etc) particularly the quality of life derived from marine and coastal areas have raised global concern for the adoption of sustainable strategies that will ensure the existence of marine and coastal areas in its natural state with less impact caused by externalities. The natural structure and function of coastal marine ecosystems are faced with a lot of environmental and ecological challenges....   [tags: oceans, coastal marine]
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Underwater Enviroments and Ecosystems - Among the many marvels the Earth’s oceans host, kelp forests as well as coral reefs are incredibly diverse ecosystems that bring opportunities for biodiversity and thriving undersea environments. Kelp forests towering above the ocean floor can grow to over a hundred feet tall, providing a dense habitat for creatures living within. Coral reefs can grow to be hundreds of miles wide, as seen with the Great Barrier Reef in the Pacific Ocean. These reefs much like the kelp forests they share the sea with, provide for rich environments teeming with biodiversity and plenty of undersea resources....   [tags: Coral Reefs, Kelp Forests]
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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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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]
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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
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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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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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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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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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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...   [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 re...   [tags: International Government ]
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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 ac...   [tags: essays research papers] 2403 words
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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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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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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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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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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 spec...   [tags: Ecology] 744 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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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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International Framework for Economic Valuation of Wetland Areas - ... The most commonly used are exposed below along with a short description: Table X – Commonly used valuation methods for wetland areas: Valuation Method Short Description Contingent Valuation Hypothetical questions to obtain WTP Travel Cost Estimate demand (WTP) using travel costs to visit site Hedonic Pricing Estimate WTP using price differentials and characteristics of related products Replacement Cost Cost of replacing the function with an alternative technology Opportunity Cost Value of next best alternative use of resources Market Prices Assigns value equal to the total market revenue of goods/services Taken from Brander, L....   [tags: ramsar,productive environments,ecosystems]
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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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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
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