A Quantitative Comparison of Two Zooplan
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Paula Kankaala
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Article
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1984
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John Wiley and Sons
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English
β 629 KB
A coniparison between a large plankt,on trap with a capacity of 33 litres and a modern towecl net was made in the course of zooplankton production studies in the Balt,ic. On the average, the net efficiency was 75 U#, of that, of the trap. Both methods were equally efficient in catching naapliar stag