The impact of human activity on the aqua
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P.M. Wade
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Article
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1999
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John Wiley and Sons
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English
β 202 KB
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1. The first recorded effects of human activity on the aquatic flora of Llangorse Lake, South Wales, were the result of introductions of Elodea canadensis in the early 1900s and of Nymphoides peltata in 1936, altering the species balance of both submerged and floating plant communities. 2. The most