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Some characteristics of a pike Esox lucius L. population in an Irish reservoir (1999)

Roche, W. ; O′Grady, M. ; Bracken, J. J.

Springer

Hydrobiologia 392 (1999), S. 217-223

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Details

ISSN: 1573-5117

Schlagwort(e): reservoir ; Esox lucius ; gill-netting ; population structure ; age ; CPUE

Quelle: Springer Online Journal Archives 1860-2000

Thema: Biologie

Notizen: Abstract A study of a stocked upland reservoir trout fishery, using gill nets, revealed the presence of a large stock of pike and poor trout numbers. The overall growth rate of pike was slow. Two year-classes of pike dominated, but the broad age and length frequency ranges, and the high average weight of individuals were indicative of an unexploited stock. Higher than normal water levels during the spawning period and into the summer period in both 1985 and 1986, coincided with the dominant pike year-classes recorded several years later.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1023/A:1003645515987

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