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| Pike produktion factors | 28/03/2010 13:29:28 | Recruitment, growth, and mortality: three words that on the surface may not make an angler's ears ring but buzz loudly in a fishery biologist's. These three rate functions are important because they interact to shape fish populations. Recruitment and growth add, mortality subtracts. What results are characteristics of a fish stock?age structure, size structure, and density?at any point in time.
http://www.in-fisherman.com/content/pike-production-factors-0 | | Flere nyheder |
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