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Importance of mangrove ecosystem by Kathiresan,K. 2012
Importance of mangrove ecosystem pdf
The importance of mangrove
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Mangrove is a tree or shrub which grows in tidal, chiefly tropical, coastal swamps, having numerous tangled roots that grow above ground and form dense thickets. Mangroves are highly specialized ecosystem, which are characterized by salt resistant plants growing in the tropical and subtropical regions. India has approximately 315000 ha of mangrove out of which about 65000 ha are along the west coast. Gujarat and Kerala coasts have the most degraded mangroves, while Maharashtra, Goa and Karnataka have occasional luxuriant pockets. They form extensive and highly productive forests characterized by the accumulation of clayish mud and fine silt deposits. Various biotic communities associated with mangroves form a complex food web in these areas. They …show more content…
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Uses of Mangroves
Mangroves provide a wide range of services and benefits to the mankind. They are instrumental in providing ecological and livelihood security to the people of coastal regions. The services provided by the mangroves are as follows-
i. Prevention from soil erosion and stabilization of coasts and beaches. ii. Protection of land from tidal surges and cyclonic storms. iii. Aqua culture. iv. Provides fuel wood, fodder, green manure, charcoal, timber etc.
v. Used for boat/canoe making. vi. Provides tannin. vii. Used for thatching craft material, cordage and rope material. viii. Used for art and craft, bow making. ix. Used as food and beverage.
x. Widely used for medicinal purposes. xi. Useful for bee hives and provides wax and honey. xii. Useful for recreational purposes as
salt marsh habitats. Once a marsh has built up to such a level that it
The Root of It: Deconstructing Creole Identity in Crossing the Mangrove. “I like to repeat that I write neither in French nor in Creole. I write in Maryse Conde,”1 (“Liaison dangereuse,” 2007) is a statement that could not be less accurate for the Guadeloupean writer. Writing in French is especially problematic for post-colonialist Francophone authors; using the language of the colonizer while attempting to dismantle cultural and linguistic hierarchy seems to be an act of futility. To be sure, Conde, the author of Crossing the Mangrove, apparently writes in the French language, but she capably deconstructs the notion that a language must be necessarily tied to the culture and history it traditionally represents.
Mangrove roots collect sediments and slow down the water's flow, helping to protect the coastline and preventing erosion overtime. Over a long period of time, the roots can collect enough debris and mud to extend the edge of the coastline further out. Mangroves are teeming with life. Shorebirds, Soldier Crabs, Crab-Eating Monkeys, and fishing cats all make the mangrove home or habitat. Mangroves provide a safe place to live or home and a nursery for a variety of fish, birds, crustaceans, and
The Salt Marshes contain different types of grasses that grow out of the water and along the water's edge. This grass can be seen when the tide is low and is covered by water when the tide comes in. This grass helps hold the soil together by dispersing any wave energy and creating a breeding ground for many important marine animals. Also, the plants act as a natural filter, removing any chemicals that might be in the seawater. Some of the plants that are found in salt marshes are: Salt Marsh Grass or Spartina Alterniflora and Cord grass as well as reeds, sedges and golden rod.
The ecosystem I have chosen is tropical rainforest. In the following paragraphs, I am going to firstly introduced the structure of tropical rainforest in brief, with the second part of the plant ecology and last the diversity within this ecosystem.
...s are considered as part of a larger watershed, the recognization of the complexity of environmental stresses can be understood. Management plans can be developed to reduce impacts to mangroves, seagrasses and the reef ecosystem, based upon accurate data and a better understanding of the system. EPA is in the process of developing guidance for a watershed approach to coral ecosystem protection.
This paper introduces the environmental concerns of the loss of coastal wetlands. The paper will discuss the significance of wetlands and the devastation that is occurring because of human activity. Wetlands are an essential element of our environment both ecological and societal; conservation will be essential for the preservation of these precious ecosystems.
Works Cited http://www.daintreeinforest.com/location/Daintree/listingResultsView.html?categoryId=233 http://www.daintreevillage.asn.au/daintree_rainforest.html http://www.sgaonline.org.au/?p=726 http://www.therainforests.info/landscape/daintree.htm http://www.daintreevillage.asn.au/mangroves.html http://www.globalissues.org/article/170/why-is-biodiversity-important-who-cares? http://www.green.net.au/quoll/forests/daintree.html http://www.daintreecoast.com/isiospermum.html
Deforestation is fast becoming one of the world’s worst environmental/geographical occurring disasters known to mankind, and is due to humankind’s greed, ignorance and carelessness when considering the future of our environment.
Analysis of sites in five coastal states indicate that many marshes and mangrove ecosystems receive adequate mineral sediments to produce enough organic sediment and root material to remain above sea level at the present rate of sea-level rise (1-2 mm per year globally). However, three of the twelve wetlands studied were not keeping pace with the current rate of sea-level rise. If sea-level rise accelerates, some additional sites would also begin to slowly deteriorate and submerge.
...tes (SIDS) beaches. Those most directly at risk from coastal erosion are those living in coastal lowland areas or along ‘soft’ sediment coastlines where coastal erosion can cause flooding, loss of land and damage to infrastructure, affecting both economic and human development of the already vulnerable developing nations. The causes of coastal erosion are mostly dependent on various geomorphological factors and the effects can be severe or slight but all and all it still have implications on the development of any country. Thus there are need for protecting the coast with the use of both hard and soft engineering structures, such as vegetation, groynes and sea walls. Surveying and monitoring of coastal areas helps to gain better understanding of the physical processes involved as well as identifying susceptible locations at an early stage so as to curb erosion.
Coral reefs are essential spawning, nursery, breeding, and feeding grounds for numerous organisms. According to NOAA, “over 25 percent of the world's fish biodiversity, and between nine and 12 percent of the world's total fisheries, are associated with coral reefs”. They aid in the prevention of erosion and flooding by reducing wave action along shorelines as well as provide sediments that become part of beaches. They also protect the shorelines during natural catastrophes such as storms.
Most people think they know a wetland when they see one, but the delineation of wetlands for the purpose of granting permits has proven enormously controversial. According to the Environmental Protection Agency (EPA), an area is defined as a wetland when a combination of three technical criteria are met: Wetland hydrology (land that is saturated within 18 inches of the surface for more than seven days per year), Hydrophytic vegetation (a list of plants that will thrive in wet areas), and Hydric soil (mucky and peat-based soil). The continual destruction of these valuable lands is due mainly to farmers, oil and mining interests, and development groups (Russel, p.36). It is estimated that 30-40% of the original wetlands in the United States have been lost, and about 300-400,000 acres are destroyed each year (Hollis, p. 36). Recent concern has led to an increase in wetland restoration and creation to reduce the impacts of activities in or near wetlands, compensate for additional losses, and to restore or replace wetlands already degraded or destroyed (Nicholas, p. 39).
A coral reef is scientifically defined as limestone ridges that are created out of coral animals. These types of tiny animals are called coral polyps. Overtime, coral polys produce and accumulate into limestone. Inside the cracks and chinks of the limestone reside thousands of species. Since there are so many diverse species that live in the limestone, coral reefs make up some of the most diverse ecosystems on the Earth. These ecosystems can only function in clear, warm salt water, which is usually located in tropical regions. These reefs are usually located in shallow waters so that they are close to the surface. They are situated in this environment so that there is enough sunlight for photosynthesis which is important for the growth and development of the reefs.
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.