본 연구는 홍조 16종에 대해서 경남 양산군 대송리의 자연개체군을 대상으로 사분포자체 및 과포자체의 출현시기를 파악하였다. 그 결과 G. furcata가 춘
Field study on the sporogenesis periods of 16 red algae growing at the intertidal zone of Daesongri was conducted from April 1987 to March 1988, obseuing the occurence of carposporic and tetrasporic fronds. The period of Gloiopeltis furcata was in spring and summer; that of Laurencia intermedia, Laurencia undulata and Rhodymenia intricate in summer; that of Chondria dasyphylla and Hypnea charoides in autumn; that of Carpopeltis affinis, Pachymeniopsis lanceolata, Chondrus ocellatus, Awosorium polyneunm, Gymnogongrus flabelliformis, Gigartina intermedia, Champia parvula and Ceramium paniculatum in summer and autumn. Of the species, G. flabelliiformis, G. intermedia and R. intricate only matured the carposporic phase, and P. telfairiae, H charoides, C. parvula and C. paniculatum did the tetrasporic phase. But the carposporic phase of G. flabelliformis and the tetrasporic phase of C. paniculatum were not occured in Kori area where water temperature was 3 C higher than that in Daesongri. In that area they only matured the other phase. This suggests that the life history is rarely complete in nature and water temperature is a important factor influencing on the sporogenesis. Also it was observed in C. affinis, C. ocellatus and S. latiuscula that the period of one phase is much longer than that of the other phase. But in most of species with both phases, tatrasporic and caropsporic, the former phase appeared a month later than the latter phase. In addition, their biomass became maximum just before sporgenesis, and then gradually decreased with release of reproductive cells.
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