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Now showing items 11-16 of 16
On ECOPATH, Fishbyte and fisheries management
Type: Journal Article
A brief account of the origin and basic assumptions of the ECOPATH software and approach is given, with emphasison their documentation in Fishbyte, and to the transition to its successor, the ECOPATH II program. Some ...
Charts for the rapid estimation of percentages of plants and/or animals in samples
Type: Journal Article
The need to estimate percentages and/or numbers occurs frequently during practical research work; accurate but rapid estimates can be useful when planning research programmes. Charts are provided that may be used as a ...
Correction to the Beverton and Holt Z-estimator for truncated catch length-frequency distributions
Type: Journal Article
A method for estimating the instantaneous mortality rate (Z) is presented which was developed from a truncated equation for average length. The model has zero bias at equilibrium, but has no explicit solution for Z so that ...
Molluscicidal compunds of plant origin
Type: Journal Article
There is great impetus among phytochemists to develop molluscicides which are lethal to the snail intermediate hosts of bilharzia. They search for plant-derived, water-soluble compounds that are cheap to isolate, specific ...
Who's working on Mugil culture
Type: Journal Article
The findings are presented of a survey conducted regarding research on Mugil culture; emphasis was given to publications from the tropics and subtropics, particularly from developing regions. The literature search used ...
Exploitation of the dolphin-fish Coryphaena hippurus L. off Ecuador: analysis by length-based virtual population analysis
Type: Journal Article
Dolphin-fish Coryphaena hippurus in the east Central Pacific are principally exploited by Ecuador. A length-based virtual population analysis of this fishery was sensitive to assumed values of growth parameters in ...