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한국산 양서류에 기생하는 윤충류의 분포양상 분석 및 숙주개체군밀도에 미치는 영향
김기홍,윤일병,임한종 ( Ki Hong Kim,Il Byong Yoon,Han Jong Rim ) 한국환경생물학회 1993 환경생물 : 환경생물학회지 Vol.11 No.2
The worm burden distribution of three trematodes (Diplodiscus japonicus, Glypthelmins rugocaudata, Gorgodera japonica) and three nematodes (Cosmocerca japonica, Rhabdias nipponica, Oswaldocruzia socialis) were examined in naturally infected populations of anurans from Korea. All parasite species had over-dispersed distributions which were well described by the negative binomial probability model. The values of k of nematodes were greater than those of trematodes. From the values of k of R. nipponica (1.04) and O. socialis (1.47), it could be conferenced that an equilibrium between host and parasite populations was reached resulting from the regulation of both populations.
청도군 (淸道郡) 동창천 (東倉川) 수계의 (水系) 저서성 (底棲性) 대형무척추동물 군집구조에 관한 연구
윤일병,어성준,김기홍 ( Il Byong Yoon,Sung Joon Aw,Ki Hong KIm ) 한국하천호수학회 1986 생태와 환경 Vol.19 No.1·2
The authors carried out the field survey for this study from February 14 to 15, 1985 and obtained the results as follows. The benthic macroinvertebrates in total surveyed areas are composed of 49 species, 37 genera, 25 families, 10 orders in 3 phyla. And among them, insects are composed of 45 species, 21 families in 6 orders, crustacea is 2 species, each annelid and mollusk is one species. Among them, Ephemeroptera and Trichoptera were most abundantly. Dominance indices showed most highly at Tonggok-dong (0. 70) and most lowly at Chich` o^˘n-dong (0. 36) . Species diversity indices showed most highly at Chich` on-do^˘ng (3. 53) and most lowly at Tonggok-dong (2. 29) . According to species diversity indices, all the streams studied was determined as β-mesosaprobic and oligosaprobic area.
낙동강 (洛東江) 하구의 저서성 (底棲性) 대형무척추동물의 (大型無脊椎動物) 계절적 (季節的) 군집구조에 (群集構造) 관한 연구
윤일병,배경석,배연재,어성준,김기홍 ( Il Byong Yoon,Kyung Seok Bae,Yeon Jae Bae,Sung Joon Aw,Ki Hong Kim ) 한국하천호수학회 1986 생태와 환경 Vol.19 No.3·4
The benthic macroinvertebrate community structure and its seasonal fructuation in the Naktong estuary was studied during the period of August 1984 to April 1985. The benthic macroinvertebrates on each season were collected at total 12 sites over the Naktong estuary from the upper seawater reached region to the lower mouth of the estuary. The upper part of the Naktong estuary including Mulgum (St. 1) and Kup`o (St. 2) comes under the nearly freshwater region and the mouth of the estuary including Shimnidung (St. 6-1), Changjado (St.6-2), Daemadung (St. 6-3) and Chinudo (St. 6-4) comes under the seawater region. The other sites are covered brackish region. Especially Chomanp`o (St. 7), located at the branch river of Naktong estuary, comes under the real freshwater region on account of the sluice of Chugnim River. Quantitative data were investigated through the analysis of individual number (No./㎡), dominance indices (DI), species diversity indices (H`) and so on. The results are as follows: 1. The total benthic macroinvertebrate taxa collected from the Naktong estuary during Aug. 1984-Apr. 1985 composed of 61 species, 53 genera, 42 families, 19 orders, 7 classes and 3 phyla. 2. The species occurance at each site showed the most abundant at the sites of seawaters (Chinudo (St. 6-4) ) and real freshwaters (Chomanp`o (St. 7)), and decreased at the sites of brackishwaters (Kup`o (St. 2), Maekdori (St. 3-1) and Hakchang-dong (St. 3-2)). 3. The total individual number according to each season showed poorest in winter season, and increased in order of spring, summer and autumn. 4. The total individual number according to the studied sites showed more abundant at the sites of seawaters and real freshwaters than at the sites of brackishwaters. 5. The total individual number according to the main taxa showed most abundant in Crustacea, and decreased in order of Polychaeta, Gastropoda, Pelecypoda, Insecta, Oligochaeta and Hirudinea. 6. The total biomass (wet weight) showed a little seasonal, fluctuation and showed more or less abundant at the sites of seawaters. According to the main taxa the most abundant in Pelecypoda, and decreased in order of Crustacea, Polychaeta, Gastropoda, Oligochaeta and Hirudinea. 7. The dominant species are different according to the seasons and sites. Generally Neanthes japonica, Tylorrhynchus heterochaetus, Corbicula japonica, Ilyoplax pusilla, Scopimera globosa, Gammarus sp. are abundant. 8. The dominance indices (DI) showed 0.36∼1.00, and generally more or less low at the sites of seawaters and real freshwaters. 9. The species diversity indices (H`) showed 0.73∼2.55, and generally more or less high at the sites of seawaters and real freshwaters.