연인산 일대 저서성 대형무척추동물상

Benthic macroinvertebrates fauna was investigated at the Mt. Yeonin, Gyeonggi-do, Korea, from August to October, 2016. 5 sites located around the Mt. Yeonin were selected for quantitative (surber net: 30×30cm, mesh size: 1mm) and qualitative (Hand net) sampling of benthic macroinvertebrates. Including qualitative sampling, total 100 species, 46 families, 13 orders, 5 classes in 4 phyla occurred. Insecta was composed of 1 species in Collembola, 33 species in Ephemeroptera, 7 species in Odonata, 4 species in Plecoptera, 1 species in Hemiptera, 2 species in Megaloptera, 5 species in Coleoptera, 8 species in Diptera and 30 species in Trichoptera. Non-insecta was 9 species composed of 1 species in Platyhelminthes, 7 species in Mollusca and 1 species in Annelida. The dominant species and the subdominant species based on individual abundance were Epeorus pellucidus and Beatiella tuberculata with 12.2% and 12.0% of dominance respectively. McNaughton’s dominanace indices, Shannon-Weaver’s diversity indices, Margalef’s spesies richness indices and Pileou’s evenness indices, Kong's Benthic Macroinvertebrate indices of benthic macroinvertebrates (BMI) showed the range of 0.34∼0.53, 3.18∼3.87, 4.01∼ 5.63, 0.71∼0.80, and 90.20∼95.70 respectively.