1012 Laboratory observations of sexual and asexual reproduction of Trochammina hadai Uchio
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概要
- 論文の詳細を見る
Trochammina hadai Uchio is abundant in brackish water bays around the Japanese Islands and exhibits a biphasic life cycle in natural environments. In the laboratory sexual reproduction, characterized by the release of thousands of gametes, occurred in spring. The release of gametes continued for 1.5 hours. After gametogenesis, parts of the cytoplasm still remained in the mother test. Asexual reproduction took place in the laboratory during autumn and continued for 6 hours. The mother test was not destroyed during asexual reproduction. The geographical distribution of T. hadai in Hamana Lake differs from season to season. This may be explained by the differential dispersal of juveniles during the sexual and asexual phases, which take place at different times of the year.
- 日本古生物学会の論文
- 1996-06-30
著者
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Kitazato Hiroshi
Institute Of Geosciences Shizuoka University
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Kitazato Hiroshi
Institute For Frontier Research On Earth Evolution
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Matsushita S
Nec Crop. Sagamihara‐shi Jpn
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MATSUSHITA SATOSHI
Shin-Nippon Meteorological and Oceanographical Consultant Co. Ltd.
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