文档介绍：Wetland
Wetlands filter excess pesticides
and nutrients. Many plants and
animals find a home in wetlands.
In your backyard you easily can turn it into a wetland What is a wetland?
paradise. Even if you do not have a
A mini-wetland in your yard can pro- naturally wet spot, you can establish A wetland is simply any area where
vide many of the same benefits that an area in your yard to grow many of water covers the soil or keeps it
natural wetlands offer. A mini-wet- the beautiful plants associated with saturated for at least two or three
land can replace the important nat- wetlands. weeks during the growing season.
ural functions of wetlands that may You will usually find them anywhere
have been lost when muni-
ty was developed.
A wetland in your backyard will
temporarily store, filter, and clean
runoff water from your roof and
lawn. It will provide habitat for many
interesting creatures--from butterflies
and bees to salamanders, toads, frogs,
and birds.
Most wetland plants do not require
standing water to grow essfully,
and will survive even in an area that
appears dry during most of the
growing season.
If you have a naturally occurring wet
spot in your yard, or a low swale or
drainageway with heavy clay soils,
Even if you do not have a naturally wet
spot, you can establish an area in your
yard to grow many of the beautiful
plants associated with