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Computation and interpretation of biological statistics of fish populations

William E. Ricker
- Vol. 191, pp 1-382
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The article was published on 1975-01-01 and is currently open access. It has received 5417 citations till now.

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Journal ArticleDOI

Estimation of roach (Rutilus rutilus (L.)) and smelt (Osmerus eperlanus (L.)) stocks with virtual population analysis, hydroacoustics and gillnet CPUE

Heikki Peltonen, +3 more
- 01 Nov 1999 - 
TL;DR: Dynamics of roach and smelt stocks were analysed with virtual population analysis (VPA), hydroacoustics and by analysing gillnet catches per unit effort (CPUE), however, gillnets CPUE was not suitable for analysing the dynamics of the smelt stock.
Journal ArticleDOI

Realism and Relevance of Ecological Models Used in Chemical Risk Assessment

Steven M. Bartell, +5 more
- 01 Jun 2003 - 
TL;DR: Evaluations of model realism, endpoint relevance, flexibility, ease of use, and other characteristics may help to guide model users in their choice of specific models for further development and application to continuing challenges in assessing ecological risks.
Journal ArticleDOI

Some effects of shark nets in the Natal nearshore environment

Sheldon F. J. Dudley, +1 more
- 01 Mar 1993 - 
TL;DR: An estimate of the reduction in total shark numbers is provided, and factors such as stock identity and net avoidance are discussed, and a published contention that shark netting has resulted in a proliferation of small sharks through reduced predation is re-examined and considered to be exaggerated.
Journal ArticleDOI

A model simulating the impact of habitat supply limits on northern pike, Essox lucius, in Hamilton Harbour, Lake Ontario

Charles K. Minns, +3 more
- 31 Dec 1996 - 
TL;DR: In this paper, the effects of life-stage habitat supply limits on fish populations were examined using a simple model of northern pike (Esox lucius), and the model has submodels for spawning, fry and juveniles + adults (1+).
Journal ArticleDOI

On the life history of a cyprinid fish, Labeo cylindricus

Olaf L. F. Weyl, +1 more
- 01 Jul 1999 - 
TL;DR: Growth was rapid and was best described by the von Bertalanffy growth model as Lt=224.2(1−e-0.66(r+0.03)) mm FL, and a maximum age of 4 years was observed for L. cylindricus.