Does Long-Term Macrophyte Management in Lakes Affect Biotic Richness and Diversity?
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Date
2005
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We hypothesize that the richness and diversity of the biotain Lake Moraine (42°50’47”N, 75°31’39”W) in New York havebeen negatively impacted by 60 years of macrophyte and algaemanagement to control Eurasian watermilfoil (MyriophyllumspicatumL.) and associated noxious plants. To test thishypothesis we compare water quality characteristics, richnessand selected indicators of plant diversity, zooplankton, benthicmacroinvertebrates and fish in Lake Moraine with those innearby Hatch Lake (42°50’06”N, 75°40’67”W). The latter isof similar size and would be expected to have similar biota,but has not been subjected to management. Measurements oftemperature, pH, oxygen, conductivity, Secchi transparency,calcium, total phosphorus and nitrites + nitrates are comparable.Taxa richness and the diversity indices applied to theaquatic macrophytes are similar in both lakes. (PDF has 8 pages.)Journal
Journal of Aquatic Plant ManagementVolume
43Page Range
57-64Resource/Dataset Location
http://www.apms.org/japm/vol43/v43p57.pdfCollections