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- W1606334562 startingPage "1758" @default.
- W1606334562 abstract "2008년 4월부터 8월까지 2회에 걸쳐 낙동강 수계권에 속하는 총 10개 호소의 유입, 유출부에 서식하는 저서성대형무척추동물의 군집구조를 조사한 결과는 다음과 같다. 본 조사에서 확인된 저서성대형무척추동물은 총 16목 29과 42종 9,427.6개체였으며, 우점종은 깔따구류(Chironomus spp.), 아우점종은 네점하루살이(Ecdyonurus levis)로 나타났다. 전체 조사지점에서 하루살이목이 17.81%로 가장 많은 종수를 점하였고, 파리목이 64.00%로 가장 많은 개체수를 점하였다. 평균 우점도는 0.68, 종다양도 2.42, 종풍부도 2.96, 종균등도는 0.54로 산출되었다. 총 10개 지점 중 St. 2인 영천호에서 51종으로 가장 많이 출현하였고, St. 9 질날벌에서 21종으로 가장 적게 출현하였다. 군집안정성 분석 결과, 모든 조사지점에서 특성군Ⅰ에 해당하는 종이 가장 많이 출현하여 상대적 저항력과 회복력이 모두 높은 것으로 나타났다. 각 지점에서 확인된 저서성대형무척추 동물을 이용하여 지점별 유사도를 분석한 결과, 유사도가 가장 높은 곳은 St. 7 번개늪과 St. 8 장척호로 파악되었다. Biological assessments of benthic macroinvertebrates community structure were carried out in ten reservoir inflow and outflow areas of the Nakdong river system from April 2008 to August 2008. The collected benthic macroinvertebrates from the surveyed sites were 9,427.6 inds./<TEX>$m^2$</TEX>, 42 species belonging to 29 families and 16 orders. A dominant species was Chironomus sp. and a subdominant species was Ecdyonurus levis. In the all sites, Ephemeroptera had the most number of species (17.81%) and Diptera had the most number of individuals (64.00%). Dominance, species diversity, species richness, and species evenness indexes were 0.68, 2.42, 2.96 and 0.54, respectively. The numbers of benthic macroinvertebrates species in each surveyed site were from 21 (site 9 Jilnal wetland) to 51 (site 2 Yeongcheon reservoir). As a result of an analysis about relative resistance and resilience of stability factors, the most popular group was group I with high indices in both resistance and resilience. Site 7 (Beongae wetland) and site 8 (Jangcheok reservoir) had the highest similarity in the result of cluster analysis using the surveyed benthic macroinvertebrates." @default.
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- W1606334562 date "2009-12-30" @default.
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- W1606334562 title "Community Structure and Cluster Analysis of the Benthic Macroinvertebrates in Inflow and Outflow area of Ten Reservoirs of the Nakdong River System" @default.
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- W1606334562 doi "https://doi.org/10.5352/jls.2009.19.12.1758" @default.
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