Freshwater fishes; Fishes; Fisheries management; Fish hatcheries;
The Circulars are technical publications of general interest intended to aid conservation and management. Publications that review in considerable detail and at a high technical level certain broad areas of research appear in this series.
Work of the Service; Wildlife management; Wildlife restoration; Conservation; Conservation science;
Gap analysis provides an overview of the distribution and conservation status of several components of biodiversity. There are five major objectives of the national Gap Analysis Program: (1) map actual vegetation as closely as possible to the...