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저서성 (低棲性) 대형무척추동물에 의한 생물학적 수질평가 연구 (3) - 육안적 간이수질평가방법을 중심으로 -
윤일병,공동수,유재근 ( Il Byong Yoon,Dong Soo Kong,Jae Keun Ryu ) 한국환경생물학회 1992 환경생물 : 환경생물학회지 Vol.10 No.2
In this present paper, simple water quality evaluation method using Korean benthic macroinvertebrate 29 systematic groups was proposed from data matrix investigated by authors etc. at 613 sampling units in Korean streams and lakes since 1971. The evaluation of water quality criteria by this method showed identity of 63% in 378 sampling to chemical evaluation. Also we proposed the quantitative index named Yoon-Kong`s GPI (Group pollution index) and this index showed correlation coefficient over 0.9 to Pantle-Buck`s saprobic index S and Yoon-Kong`s Total Biotic Score, TBS.
저서성 (低棲性) 대형무척추동물에 의한 생물학적 수질평가 연구 (2) - 생물군집에 대한 환경요인 영향을 중심으로 -
윤일병,공동수,유재근 ( Il Byong Yoon,Dong Soo Kong,Jae Keun Ryu ) 한국환경생물학회 1992 환경생물 : 환경생물학회지 Vol.10 No.1
In this present paper, biological characteristics of Korean benthic macroinvertebrate 173 taxa to physicochemical factors were examined from data matrix investigated by authors etc. at 613 sampling units in Korean streams and lakes since 1971. That is, saprophility, watercourse types, lithophility, currentphility, thermality, oxyphility, and acidoalkality of each taxon were examined and also minimal, optimal, and maximum BOD5 concentration ranges were evaluated. Particulary, groups clustered by species similarity analysis showed high relation to substratum, current types, and saprobity through simple discriminant analysis.
팔당호 (八堂湖) 저서성 (底棲性) 대형무척추동물의 (大型無脊椎動物) 군집분석과 (群集分析) 현존량의 계절적 동태
윤일병,공동수,유재근,이상욱 ( Il Byong Yoon,Dong Su Kong,Jae Keun Ryu,Sang Wook Lee ) 한국하천호수학회 1990 생태와 환경 Vol.23 No.1
P`altang reservoir is a streamlike one of which mean depth is low (6.7 m) and water volume is small while its basin area is large comparatively. The broad littoral zone is developed in P`altang reservoir and the aquatic fauna and flora is enriched. Particulary, Mollusks of benthic macroinvertebrates are most abundant in Korean fresh lakes and marshes. This study have been carried out to grasp the community structure and dynamics of standing crops. The results are as follow. 1. The taxa of benthic macroinvertebrates collected from April, 1988 to November, 1989 was 4 phylla 7 classes 19 orders 39 families 82 species. Insects are a dominant taxa in species composition. 2. Annual mean biomass is 10.46 gDW/㎡ (382 ton in total area) as dry weight of tissue except shell. Pelecypods and Gastropods occupy 51% and 35% comparatively, and Mollusks occupies 86%. The largest standing crops is 17.04 gDW/㎡ in last week of September. 3. Variation of standing crops according to water depths is not conspicuous because the inconspicuous water temperature and oxygen concentration gradient can`t limit the growth of benthos. 4. Dominant speicies as standing crops of individuals are Limnodrilus socialis (35%), Chironomus sp. 2 (23%), and Parafossarulus manchouricus (12%); Dominant ones as standing crops of biomass are Anodonta fukudai (28%), Parafossarulus manchouricus (19 %), Unio douglasiae (18%), and Cipangopaludina chinensis (10%). 5. Species diversity (Llyod`s H`) is ranged 1.36∼2.52 and annual mean diversity is 2.16 (β-mesosaprobic).