Using hard-part increment data to estimate age and environmental effects

S. Weisberg

Research output: Contribution to journalArticlepeer-review

35 Scopus citations

Abstract

Fish grown in response to the extrinsic effects of their biotic and abiotic environment and in accordance with the intrinsic effects of size or age already attained. A family of linear models are proposed that assume that growth, as reflected in increments in scales or other bony structures, can be divided into intrinsic age or size effects and external environmental effects. Some of the models use data from annular rings on bony parts, some use length or size attained, and some use both. Methodology for comparing subsamples of fish, based on sex, condition, trapping method, or any other identifiable characteristic, is discussed. The models are applied to several samples of smallmouth bass Micropterus dolomieui. -from Author

Original languageEnglish (US)
Pages (from-to)1229-1237
Number of pages9
JournalCanadian Journal of Fisheries and Aquatic Sciences
Volume50
Issue number6
DOIs
StatePublished - Jan 1 1993

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