AMNWR biologists worked over an extended period to recover the population of aleutian Cackling goose from endangered to its delisting in 2001. This album pictures the landscape, some of the hardships and activities of these hardy biologists
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.
This is a status assessment of the double-crested cormorant in North America as of 2001. It includes general information on the bird, biological information and area-specific population information for throughout North America.
This is a preliminary biological assessment of Kirwin National Wildlife Refuge. Stimulation for the report was based on the concept that future decisions related to the biological portion of the Comprehensive Conservation Plan will be based on the...
This report is an initial biological assessment of wetland conditions on Long Lake National Wildlife Refuge, Slade National Wildlife Refuge, and Florence Lake National Wildlife Refuge that was conducted as part of the pre-planning phase for...
