Estimates of the Numbers, Biomass and Year-Class Strengths of Perch (Perca fluviatilis L.) in Windermere from 1967 to 1977 and Some Comparisons with Earlier Years

Abstract

J. F. Craig, Charlotte Kipling, E. D. Le Cren, Jean C. McCormack, Estimates of the Numbers, Biomass and Year-Class Strengths of Perch (Perca fluviatilis L.) in Windermere from 1967 to 1977 and Some Comparisons with Earlier Years, Journal of Animal Ecology, Vol. 48, No. 1 (Feb., 1979), pp. 315-325