Analysis of otter (Lutra lutra) spraints: Part 1: Comparison of methods to estimate prey proportions; Part 2: Estimation of the size of prey fish
作者： L. Jacobsen , H. -M. Hansen
DOI: 10.1111/J.1469-7998.1996.TB05387.X
关键词: Fishery 、 Captivity 、 Predation 、 Forage fish 、 Otter 、 Lutra 、 Time budget 、 Biology 、 Spraint
摘要: The accuracy of five different methods used in spraint analysis for extimating prey proportions is tested through a feeding experiment with three otters captivity. Estimated are copared to the actual diet otters. results analysing 362 spraints and time budget indicated score-bulk estimate be most appropriate method estimating it concluded that dietary studies using can compared broad outlines. relatins between confirmed 978 spriaints, collected field.
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