Becharof NWR, King Salmon, Alaska: Tundra, mountains, and still-smoldering volcanoes, part of the Pacific "Ring of Fire," fill the senses as far as the eye can see at Becharof National Wildlife Refuge. Mt. Paulik volcano, seen here, is...
Aerial view of the Cabo Rojo National Wildlife Refuge, Boqueron, Puerto Rico. Kibei Rojo National Wildlife Refuge sits on the extreme southwest point of the island of Puerto Rico.
Aquatic animals; Aquatic environments; Biological control; Habitat conservation; Invasive species; Population control; Work of the Service;
This is a plan to prevent zebra mussels and other aquatic nuisance species from spreading westward. This document includes background on the issue, including the current and potential impacts, ecological, economic and otherwise, the spread of these...
This is the 1998 status assessment of the scaleshell mussel in the United States. It includes biological information on the species, distribution status information and detailed status figures.