Abstract
A preliminary survey of the benthic fauna of sites on the Nent system affected by elevated zinc levels, acid water and organic enrichment is described. Data on faunal composition are presented for 17 sites. A clustering technique was applied to the taxa/site matrix to demonstrate the degree of association between sites varying in zinc concentration. Chandler biotic scores were found to be lowest at sites affected by high zinc levels and/or dense growths of the alga Stigeoclonium tenue. The role of elevated zinc levels and algal growth in determining the diversity and abundance of benthos is discussed.
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Armitage, P.D. The effects of mine drainage and organic enrichment on benthos in the river nent system, Northern Pennines. Hydrobiologia 74, 119–128 (1980). https://doi.org/10.1007/BF00014563
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DOI: https://doi.org/10.1007/BF00014563