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題名 | Sexual Reproduction of the Reef Coral Stylophora pistillata in Southern Taiwan=臺灣南部海域萼形柱珊瑚的生殖生態 |
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作者 | 樊同雲; 戴昌鳳; | 書刊名 | 臺灣海洋學刊 |
卷期 | 40:2 2002.12[民91.12] |
頁次 | 頁107-120 |
分類號 | 386.394 |
關鍵詞 | 珊瑚; 配子發育; 胚胎發育; 幼生釋放; 萼形柱珊瑚; Reef coral; Gametogenesis; Embryogenesis; Planulation; Stylophora pistillata; |
語文 | 英文(English) |
中文摘要 | 本報告於1990至1994年期間,利用組織切片的方法研究臺灣南部南灣海城萼形柱珊瑚(Stylophora pistillata)的配子和胚胎發育週期,並且以浮游生物網捕捉幼生的方法研究其幼生釋放的時機。萼形柱珊瑚的生殖型式為雌雄同體、孵育幼生型。配子和胚胎全年每月皆可發現,並且其發育都具有月週期性。成熟的精子和卵分別在新月至上弦月、以及下弦月至上弦月期間出現。初期胚胎在配子成熟之後才出現,並且與成熟卵的大小相似,顯示胚胎可能是由受精卵發育而形成。臺灣南部海域萼形柱珊瑚的生殖期長,幼生的釋放可能全年每月都在進行。萼形柱珊瑚整年都能行生殖活動的現象,則使其成為珊瑚礁新形成期質的主要拓殖者之一。 |
英文摘要 | Sexual reproduction of Stylophora pistillata, one of the common coral species in the waters around Taiwan, was studied by histological examination and planulae collection. S. pistillata is a simlataneous hermaphrodite with brooded larvae. Gametes and embryos appeared throughout the year; mature sperm and oocytes appeared from the new moon to the first quarter moon phases and from the second quarter to the first quarter moon phases, respectively. Early embryos were found following the appearance of mature gametes indicating a link between gametogenesis and embryogenesis. This temporal connection suggests that the embryos are likely developed from fertilized oocytes. Planulation occurred year round and throughout the lunar phases. The extended period of sexual reproduction of S. pistillata is possibly related to the favorable environmental conditions in southern Taiwan. Its extended period of planulation enables it to be a major colonizer on newly denuded substrata. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。