Length-weight relationships for some important forage crustaceans from South Africa

Richardson, A.J. and Lamberts, C. and Isaacs, G. and Moloney, C.L. and Gibbons, M.J. (2000) Length-weight relationships for some important forage crustaceans from South Africa. Naga, the ICLARM Quarterly, 23(2), pp. 29-33.

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Abstract

The diet of marine animals is usually determined by stomach content analysis. Although partially digested prey fragments can often be identified to species level, it is difficult to estimate the original mass of the prey organism. This information, however, is essential for calculating both the total food intake as well as the relative contribution of each prey item. In this study we present regression equations that can be used to estimate the original mass of 18 common South African crustaceans from various indigestible fragments such as the carapace (length and width), chelae (length and width of left and right dactylus) and eye (length and width).

Item Type: Article
Title: Length-weight relationships for some important forage crustaceans from South Africa
Personal Creator/Author:
CreatorsEmail
Richardson, A.J.
Lamberts, C.
Isaacs, G.
Moloney, C.L.
Gibbons, M.J.
Journal or Publication Title: Naga, the ICLARM Quarterly
Volume: 23
Number: 2
Page Range: pp. 29-33
Date: 2000
ISSN: 0116-290X
Issuing Agency: WorldFish Center
Uncontrolled Keywords: Shellfish; Length-weight relationships; Stomach content; Regression analysis; Africa, south
Subjects: Fisheries
Item ID: 9467
Depositing User: Mr William Ko
Date Deposited: 14 Oct 2012 08:30
Last Modified: 14 Oct 2012 08:30
URI: http://aquaticcommons.org/id/eprint/9467

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