Wetlands, for example, contain just a few species of plants, but they perform valuable service by filtering water, regulating floods and serving as nurseries for fish.
Tanzania's Mara River wetlands, for example, help communities cope with drought, because the soils remain moist much longer than in surrounding areas, thus providing a place to grow food.
The changing availability of water in wetlands, for example, may cause plant propagules to lie dormant during moisture-poor or overly saturated conditions, and then germinate when their appropriate moisture regime is present (Cohen 1966; Templeton and Levin 1979; Venable and Brown 1988; Pake and Venable 1996; Bliss and Zedler 1997; Leck 2001).
Our methodology results in a lower estimate for percentage wetland loss; for example, 72% wetland loss was reported in DUC [16] versus our value of 55.8% in Table 1.
A state's department of transport that wishes to build a road through a wetland, may, for example, be required by the regulations to create an equivalent piece of wetland elsewhere.
It has been used widely to estimate the replacement costs of ecosystem services provided by particular ecosystems (e.g. forests or wetlands; see for example Spangenberg and Settele, Turner et al., and Zhang et al. ), but also for services provided by particular species.
111 Allied to terrestrial UK initiatives are nationwide plans to return large parts of the UK's drained agricultural land to wetland, fen and salt marsh (for example UK Wetland Vision).
Dredged materials can also be used for other purposes such as environmental enhancement, for example, wetland creation and engineered uses as in beach nourishment.
We can also encourage different business models: for example restoring wetlands to purify water rather than building costly engineering solutions.
For example, floating wetlands made from rafts of plastic bottles have improved habitat quality in polluted waterways in Baltimore and elsewhere on the eastern seaboard of the United States.
For example, brackish wetlands and saline lagoons could expand at some coastal sites, which would not necessarily be a bad outcome if the freshwater systems they replaced could be created in other places.
