구담 습지 (경북 안동)의 저서성 대형무척추동물 군집
The Benthic Macroinvertebrates Community of Gudam Swamp (Andong, Gyeongsanbuk-do)
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Abstract
This study was carried out to investigate the benthic macroinvertebrates community of three surveyed sites, Kwangdeok-gyo, Yangeochang, and Gudam-gyo, located at Gudam in Gyeongsangbuk-do. The benthic macroinvertebrates collected from the surveyed sites were composed 01 47 species, 26 families, 11 orders, 5 c1ass, 3 phyla. Among these phyla, aquatic insects in Arthropoda were 38 species, 20 families and 5 orders. Each of sites has shown the particular situation of aquatic insect fauna on the species composition Chironomus sp. at the all surveyed sites was dominant species. Dominance indices(DI) showed most highly at St. 2 and lowly at St. 1. The species diversity indices(H') showed the highest at St. 1 and lowest at St. 2. Dominance indices ranged 0.40-1.00(mean, 0.69), and species diversity indices ranged 0.04-3.40(mean. 1.98)