CW2:2501
From Environmental Technology
Contents |
a
Wetlands are a transitional link between water and land and are low areas such as swamps, tidal flats, and marshes which retain moisture. They are characterized by hydrophytic vegetation and hydric soils. Two types of wetlands are tidal and non tidal.
b
Wetlands support lare quantities of plant biomass which creates a tremendous resivoir of nutrients and chemicals bound up in plant and tissue sediment. They are wintering homes for migratory flocks of waterfowl. Other mammals rely on them for cover and they are used as a spawning and nursery area.
c
35% of the forest has been lost There are 50 major tree species and 2,700 different plant species.
d
Protect water quality, create habitat for fish and wildlife, improve air quality, encourage recreation, contribute to the economy.
e
Producers are phytoplankton Consumers are zooplankton Decomposers are the bay anchovies and other fish