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Reproduction and fecundity of the Irish pollan (Coregonus autumnalis Pallas, 1776), a threatened lake coregonid

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Harrod, C and Griffiths, D (2004) Reproduction and fecundity of the Irish pollan (Coregonus autumnalis Pallas, 1776), a threatened lake coregonid. ANNALES ZOOLOGICI FENNICI, 41 (1). pp. 117-124. [Journal article]

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Abstract

The sex ratio, age at maturation, fecundity, and seasonal development of gonads of pollan (Coregonus autumnalis) in Lough Neagh are described from samples collected between November 1997 and December 1999. Pollan reproductive ecology in the 1990s was similar to that found in the 1970s. Pollan egg size and fecundity differed between years but there were no long-term trends in fecundity despite considerable subsequent eutrophication of the lough and changes in the fish community.

Item Type:Journal article
Faculties and Schools:Faculty of Life and Health Sciences
Faculty of Life and Health Sciences > School of Environmental Sciences
Research Institutes and Groups:Environmental Sciences Research Institute > Freshwater Sciences
ID Code:13745
Deposited By:Mrs Linda Allen
Deposited On:31 May 2010 11:22
Last Modified:28 Mar 2012 16:27

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