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Wetland vary widely in their salinity levels, climate zones, and surrounding geography and play a crucial role in maintaining biodiversity, ecosystem services, and support human communities. [1] Wetlands cover at least six percent of the Earth and have become a focal issue for conservation due to the ecosystem services they provide.
Children celebrating World Wetlands Day. World Wetlands Day is an environmentally related celebration which dates back to the year 1971 when several environmentalists gathered to reaffirm protection and love for wetlands, [1] which are water ecosystems containing plant life and other organisms that bring ecological health in abundance to not only water bodies but environments as a whole.
The life forms of a wetland system includes its plants and animals and microbes (bacteria, fungi). The most important factor is the wetland's duration of flooding. [1] Other important factors include fertility and salinity of the water or soils.
Wetlands exist on every continent, except Antarctica. [19] The water in wetlands is either freshwater, brackish or saltwater. [18] The main types of wetland are defined based on the dominant plants and the source of the water. For example, marshes are wetlands dominated by emergent herbaceous vegetation such as reeds, cattails and sedges.
A wetland is a land area that is saturated with water, either permanently or seasonally, such that it takes on the characteristics of a distinct ecosystem.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.
Aquatic ecosystems contain communities of organisms—aquatic life—that are dependent ... or delta is an important control upon the type of wetland (fresh ...
The Environmental Protection Agency defines wetlands as "those areas that are inundated or saturated by surface or groundwater at a frequency and duration water to support, and that under normal circumstances do support, a prevalence of vegetation typically adapted for life in saturated soil conditions (e.g. swamps, bogs, fens, marshes, and estuaries)."
Harike Wetland is a Ramsar site in India Map of Ramsar sites Archipel Bolama-Bijagos Ramsar site in Guinea-Bissau Walkway in Zuvintas Biosphere Reserve. A Ramsar site is a wetland site designated to be of international importance under the Ramsar Convention, [1] also known as "The Convention on Wetlands", an international environmental treaty signed on 2 February 1971 in Ramsar, Iran, under ...