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.
Art; Aquatic animals; Endangered species; Rivers and streams;
This is a poster about freshwater mussels. One side displays a subaquatic environment featuring mussels and various fish, while the reverse side describes the mussels' life cycle and ecosystem role as well as what is being done to protect them.
"In New England, the specific job is to spread consumption more uniformly over the nearly 80 species of fish and shellfish that are brought, into local ports each year. Production records 'of the fishing industry show a serious lack of...
A multidisciplinary education guide for grades 2-12 (with sections on "How to Adapt" for Preschool - 1st grade, home schools, youth groups, and nature centers)
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...
