Abstract
ABSTRACT A total of 41 taxa was collected from nearshore and offshore habitats in Waldo Lake. The highest taxonomic diversity occurred in nearshore habitats which were structurally more complex and heterogenous than offshore habitats. The presence of 39 taxa (Hydridae excluded) in nearshore habitats varied by habitat-type and taxonomic group. Habitat-type was based on substrate-type, and the presence of taxa in nearshore habitats was partially related to the substrate preferences of taxa. A limited number of taxa (i.e., 11) were collected from offshore habitats, which was, in part, a reflection of the relatively homogenous organization and structure of the deeper, offshore habitats of the lake. The percentage of functional feeding groups did not vary much by habitat, and the majority of taxa (i.e., 53%) was classified as predators. Chironomids had the highest relative abundance of all taxa, accounting for 27% of taxa collected in nearshore benthic core samples and 40% of taxa collected in offshore Ekman dredge samples.
Published Version
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