http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
The critical need to safeguard freshwater ecosystems
Rivers, lakes, wetlands, and other freshwater ecosystems provide a host of benefits to society. In addition to supplying water and fish, they store seasonal floodwaters, helping to lessen flood damages.
Freshwater ecology,Watershed management,Ecosystem management,Water-supply