A wetland is a distinct ecosystem that is inundated by water, either permanently or seasonally, where oxygen-free processes prevail the primary factor that distinguishes wetlands from other land forms or water bodies is the characteristic vegetation of aquatic plants, adapted to the unique hydric soil. The highest rates of wetland loss occurred between the 1950s and the 1970s, until conservation movements considerably slowed the rate of decline [source: epa] but wetlands are still under threat human activity is probably the most prevalent cause of wetland destruction or degradation. Included are descriptions of wetlands types and functions, their potential uses, and details on the importance of wetlands and the threats to their viability from different types of development projects. The importance of wetlands wetlands are vital for human survival they are among the world's most productive environments cradles of biological diversity that provide the water and productivity upon which countless species of plants and animals depend for survival. Wetlands and climate change as a frontier-type ecosystem, wetlands are particularly vulnerable to climatic variation and extreme events many wetlands, especially coastal ones, are unstable to start with, and are easily or frequently changed by erosion, flooding, or the invasion of salt water.
An aquatic ecosystem is an ecosystem in a body of water communities of organisms that are dependent on each other and on their environment live in aquatic ecosystems the two main types of aquatic ecosystems are marine ecosystems and freshwater ecosystems. Wetlands are the link between land and water, and are some of the most productive ecosystems in the world some common names for different types of wetlands are swamp, marsh and bog. Wetland hydrology and water quality due to drainage or fill activities on adjacent lands for construction of roads, buildings, and parking lots these threats are real. Threats to wetlands sadly, wetlands are threatened by many human activities since colonial times, over half of the wetlands in the lower 48 states have been lost due to development, agriculture and silviculture, including 20% of maine's wetlands.
Wetlands of international importance wetlands should be selected for the list of wetlands of international importance on account of their international significance in terms of ecology, botany, zoology, limnology or hydrology and indicates that in the first instance, wetlands of international importance to waterfowl at any season should be included. Wetlands types and classifications wetlands have different characteristics the most common feature of all wetlands is that the water table (the groundwater level) is very near to the soil surface or shallow water covers the surface for at least part of the year. Wetlands are areas where water is the primary factor controlling the environment and associated plant and animal life they can be freshwater or estuarine (located at the coast with brackish water) or both. Why are wetlands important wetlands are important for so many reasons: the role of wetlands in an ecosystem wetlands prevent flooding by holding water much like a sponge by doing so, wetlands help keep river levels normal and filter and purify the surface wat. Information from the recent technical literature, general accounts in books, and some first-hand experience provided the basis for describing major wetland types, their status and major threats loss of biodiversity is a consequence both of a reduction in area and deterioration in condition.
The cowardin system includes five major wetland types: marine, tidal, lacustrine, palustrine and riverine used by us army corps of engineers another common wetland classification system, used by the us army corps of engineers, was developed by brinson and is described in a hydrogeomorphic classification for wetlands. Wetlands are among the most productive ecosystems in the world, comparable to rain forests and coral reefs an immense variety of species of microbes, plants, insects, amphibians, reptiles, birds, fish, and mammals can be part of a wetland ecosystem. Major threats to wetlands threats to wetlands can be divided into two general groups - those resulting from natural processes and those from human activities this section will focus on the most common threats to wetlands as a result of human activity. The sites listed contain information on the different types of wetlands, why wetlands are important, the consequences of destroying wetlands, and more environmental protection agency (epa): e-pen.
A wetland is typically an area of land that is completely saturated with water, whether all throughout the year or only during certain seasons because these areas of land are covered in water as well as a variety of different land and water dwelling plant life, they are well known to have rich and. The us environmental protection agency categorizes wetlands into marshes, swamps, bogs and fens though they have differences, they all serve the environment by acting as a buffer against flooding, absorbing excess nutrients, and providing habitats for a wide variety of species.
A wetland is a place where the land is covered by water, either salt, fresh or somewhere in between marshes and ponds, the edge of a lake or ocean, the delta at the mouth of a river, low-lying areas that frequently flood—all of these are wetlands. All about wetlands and their types /classifications importance of wetlands + potential threats to wetlands in india + 26 ramsar sites in india. Wetlands are a critical part of our natural environment, and play a key role in supporting australia's biological diversity wetlands support waterbird, fish, amphibian, reptile and plant species during important life stages by providing roosting, nesting and feeding habitat as well as refuge during extreme weather conditions.
Wetlands provide an important range of environmental, social and economic services many wetlands are areas of great natural beauty and many are important to aboriginal people wetlands also provide important benefits for industry. The international significance of wetlands is reflected in the convention on wetlands (the ramsar convention) the ramsar convention launched an international report in 2013, the economics of ecosystem and biodiversity for water and wetlands. Threats to wetlands wetlands face many pressures drainage and infilling directly affect wetlands some land management practices have indirect effects, for example, nutrients and sediment can wash from the land into the wetland.
Threats to wetlands wetlands have been steadily and rapidly disappearing across the country since the beginning of european settlement (see map) montana lost approximately 27% of its wetlands between the1780's and 1980's (see history of us wetlands. The united states has lost over half of the wetlands in the lower 48 states, and the losses continue at an estimate of over 60,000 acres per year the life-supporting importance of wetlands was largely unrecognized in the past.