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Free Content Loch Ewe Bag Experiment, 1974

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The study of planktonic ecosystems in large plastic enclosures (bags) elucidates the effects of a range of factors including different rates of nutrient enrichment, variations in predator numbers, and additions of copper to the system. Differences in rates of nutrient enrichment alter the rate of primary production without greatly altering phytoplankton biomass. Variations in population structure of the phytoplankton and in herbivore biomass appear to result from differences in predator numbers. The effects of natural stresses appear similar to those induced by a pollutant.

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Document Type: Research Article

Publication date: 1977-01-01

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