Search results
Results From The WOW.Com Content Network
Wetlands generally included swamps, marshes, bogs, and similar areas.' [20] For each of these definitions and others, regardless of the purpose, hydrology is emphasized (shallow waters, water-logged soils). The soil characteristics and the plants and animals controlled by the wetland hydrology are often additional components of the definitions ...
These wetlands of Louisiana make ideal homes for several species of turtles, crawfish and catfish – all of which are popular Acadian foods. Among invasive species that thrive in the wetlands of Louisiana is the nutria, a South American rodent that was likely introduced when individual animals escaped from fur farms.
A wetland (aerial view) Wetland conservation is aimed at protecting and preserving areas of land including marshes, swamps, bogs, and fens that are covered by water seasonally or permanently due to a variety of threats from both natural and anthropogenic hazards. Some examples of these hazards include habitat loss, pollution, and invasive species.
Wetlands have decreased by as much as 50% since 1900 and in some parts of the world by 90%. [19] [20] Inland wetlands, freshwater marshes making up about 20-25% of all freshwater wetlands globally, [21] have been decreasing approximately 1.2% each year throughout the last century (since 1900). [22] [23]
The degree of salinity in an estuary or delta is an important control upon the type of wetland (fresh, intermediate, or brackish), and the associated animal species. Dams built upstream may reduce spring flooding, and reduce sediment accretion, and may therefore lead to saltwater intrusion in coastal wetlands. [20]
The muskrat is found in wetlands over various climates and habitats. It has crucial effects on the ecology of wetlands, [2] and is a resource of food and fur for humans. Adult muskrats weigh 0.6–2 kg (1 + 1 ⁄ 4 – 4 + 1 ⁄ 2 lb), with a body length (excluding the tail) of 20–35 cm (8–14 in). They are covered with short, thick fur of ...
They live in herds of 50-500 animals in habitats ranging from wetlands to forests to open plains across sub-Saharan Africa. The most essential factor is proximity to water. In the wild, their ...
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 .