Abstract
ABSTRACT Little is known, of how environmental and fish community features affect population statistics of brook trout Salvelinus fontinalis in lakes and reservoirs in the central Rocky Mountains. We related information on mean length, abundance, and biomass of brook trout sampled from 183 lakes and reservoirs in Wyoming to measures of climate, biological productivity, lake morphology, and fish community structure. We found mean length was positively related to chemical indices of biological productivity and size of the water body. Measures of abundance and biomass were affected most by the proportion of other fish species in the fish community.
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