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줄납자루 , Acheilognathus yamatsutae Mori(Cyprinidae)의 산란 조건
권오길,송호복 한국어류학회 1995 韓國魚類學會誌 Vol.7 No.1
줄납자루, Acheilognathus yamatsutae Mori의 산란 조건에 관하여 실험실의 수조에서 조사, 연구한 결과는 다음과 같다. 본 종은 암, 수컷 모두 이성의 존재 보다 조개의 유, 무에 더욱 민감한 성적반응을 보였다. 그러나 암컷, 수컷, 조개의 3가지 조건이 모두 갖추어 져야만 산란조건이 충족되어 산란행동이 유발되었다. 또한 살아있는 조개와의 직 접적인 접촉 이외의 다른 조건에는 전혀 성적반응을 나타내지 않았다. . The spawning condition was investigated of the bitterling, Acheilognathus yamatsutae Mori in aquariums. Sexual responses in male and female bitterlings were very sensitive to the mussel rather than the other sex. But spawning behavior was shown ouly when all of the male, the female and the mussel were present. And the sexual response was not shown at all when there was no direct contact with the live mussel
권오길,이준상,박갑만 江原大學校 附設 環境硏究所 1989 環境硏究 Vol.6 No.-
의암호에 서식하는 재철(Corbicula fluminea)을 실험재로로 하여 생식세포형성, hermaphrodite에 의한 성비의 계정성 그리고 이에 따른 반새의 변화와 정확한 산란시기를 밝히고자 조직학적 방법에 의한 견구 조사를 실시하였다. 총 118개의 개체중 female 32개체(27.1%), female-hermaphrodite 75개체(63.5%)hermaphrodite 32개체(2.5%), male-hermaphrodite 7개체(5.9%), male 1개체(0.4%)로 전체적으로 female의 경향이 높았다. 산란은 2월과 3월에 난을 방출하는 난생의 형태이고 7월이후 11월까지 glochidia를 방출하는 난태생의 형태를 나타내었다. 外半?(outer-demibranch)가 보육낭으로 이용될 수도 있으나 內半?(inner-demibranch)가 주로 보육나으로 작용하였다. 수관 분리는 주로 inner-demibranch에서 나타났고, 산란시기에는 많은 개체가 수관이 분리되어 있었다. Corbicula fluminaea, one of two species in the family Corbiculidae living in the Lake Uiam was used as an experimental material. This research was done in order to deon in order to identify and describe the visceral sex. the demibranch morthology, and the seasonal gonad activity. The sexuality of C. fluminea was male, male-hermaphrodite (with a preponderance of testicular tissue over ovarian tissue), hermaphrodite (with approximately equal amount of male and female ponadal tissue), female-hermaphrodite (with a preponderance of the ovarian tissue), and female. The non-marsupial demibranch (namely, outer 2 in females and female-hermaphrodite, two in males and males and male-hermaphrodites) was divided by the secondary sept that in males and male-hermaphrodites) was divided by the secondary septa that produced secondary watertubes, resulting in triparitite organization. But, the outerdemibranch of all kinds has exhibited feebly the triparitite organization. In this species larvae were produced over two extended time periods, one in spring(oviparity) and one in fall (dvoviviparity).
제주배꼽털달팽이(Aegista guelpartensis) 의 세포학적연구
권오길,이준상 江原大學校 附設 環境硏究所 1991 環境硏究 Vol.8 No.-
The mitotic and meiotic chromosomes of the gonadal tissues from Aegista quelpartensis were examined by air-drying technique. Chromosome number of A. quelpartensis was 28(haploid) and the mitotic chromosome was consisted of 15 metacentric pairs, 10 submetacentrics, and 3 telocentrics. The longest chromosome was about 3.3pm and the shortest was 1.0pm in length.
권오길,이준상 한국패류학회 1991 The Korean Journal of Malacology Vol.7 No.1
Authors describe here five new species and three new subspecies of Korean Iand snail fauna. They are collected from the southern part of Korea including Ullungdo and Chejudo. The generic names of these new species and subspecies were discribed in the [ Il-lustrated Encyclopedia of fauna & flora of Korea V ol.32 Mollusca(I)]. The newly recorded species and subspecies are as follows:Genus Diplommatina Benson, 1849 Subgenus Sinica Mollendorff, 1885 Diplommatina(Sinica) paxillus changensis n. subsp. Diplommatina(Sinica) chejuensis n. sp.Genus Arinia H. & A. Adams, 1856 Arinia chejuensis n. sp.Authors describe here five new species and three new subspecies of Korean Iand snail fauna. They are collected from the southern part of Korea including Ullungdo and Chejudo. The generic names of these new species and subspecies were discribed in the [ Il-lustrated Encyclopedia of fauna & flora of Korea V ol.32 Mollusca(I)]. The newly recorded species and subspecies are as follows:Genus Diplommatina Benson, 1849 Subgenus Sinica Mollendorff, 1885 Diplommatina(Sinica) paxillus changensis n. subsp. Diplommatina(Sinica) chejuensis n. sp.Genus Cavernacmella Habe, 1942 cavernacmella coreana n. sp.Authors describe here five new species and three new subspecies of Korean Iand snail fauna. They are collected from the southern part of Korea including Ullungdo and Chejudo. The generic names of these new species and subspecies were discribed in the [ Il-lustrated Encyclopedia of fauna & flora of Korea V ol.32 Mollusca(I)]. The newly recorded species and subspecies are as follows:Genus Diplommatina Benson, 1849 Subgenus Sinica Mollendorff, 1885 Diplommatina(Sinica) paxillus changensis n. subsp. Diplommatina(Sinica) chejuensis n. sp.Genus Mirus Albers, 1850 Mirus junensis n. sp.Genus Paganizaptyx Kuroda, 1945 Paganizaptyx miyanagai ullungdoensis. subsp.Authors describe here five new species and three new subspecies of Korean Iand snail fauna. They are collected from the southern part of Korea including Ullungdo and Chejudo. The generic names of these new species and subspecies were discribed in the [ Il-lustrated Encyclopedia of fauna & flora of Korea V ol.32 Mollusca(I)]. The newly recorded species and subspecies are as follows:Genus Diplommatina Benson, 1849 Subgenus Sinica Mollendorff, 1885 Diplommatina(Sinica) paxillus changensis n. subsp. Diplommatina(Sinica) chejuensis n. sp.Genus Ratinella Shuttleworth, 1877 Retinella radiatula coreana n. subsp.Genus Sitalina Thiele, 1931 Sitalina chejuensis n. sp.