Principles of fishery science

abundance Amer antimycin aquatic Atlantic salmon bass biological biomass bluegills bottom brook trout Bull California Fish Game catch catchable channel catfish commercial determine disk distribution effect eggs equation estimate example factors farm ponds Figure fingerlings fish populations Fish-Cult fishermen fishery management fishing mortality fishway force of fishing function gear growth habitat hatchery increase lake trout largemouth bass length limits logarithms marked fish matrix method Michigan migration mortality rate natural logarithms natural mortality number of fish offish opercle otoliths parameters percent plants pollution pool problems production Prog rainbow trout rate of exploitation recapture recruitment relationship River rotenone sample scale screen sockeye salmon spawning species sport stocking stream striped bass studies survival temperature tion total mortality toxicant Trans trawl U.S. Fish Wildl usually variable variance Wildl yield York Fish Game