頁籤選單縮合
題 名 | 東沙海域軟體動物相=Mollusk Assemblages of Dongsha Atoll |
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作 者 | 陳明輝; | 書刊名 | Platax:An official publication of the National Museum of Marine Biology & Aquarium |
卷 期 | 專刊 民94 |
頁 次 | 頁33-47 |
分類號 | 386.7 |
關鍵詞 | 東沙海域; 軟體動物; |
語 文 | 中文(Chinese) |
中文摘要 | 於2004年5月13日至20日和8月20日至22日期間在東沙島海域十個亞潮帶測站和四個潮間帶測站進行底棲軟體動物調查,經利用潛水觀察記錄和採集標本方式,目前已整理出133種軟體動物,以骨螺科16種最多,其次為芋螺科14種,其中更有25種為東沙島首次記錄到之種類。此外,東沙島的大型經濟性軟體動物種類也不少,但數量都不多,本次紀錄到的種類有驢耳鮑、馬蹄鍾螺、銀塔鍾螺、金口蠑螺、銀口蠑螺、菱硨渠蛤、長硨渠蛤……等。其中菱硨渠蛤的數量比1994年減少許多,其密度從一次潛水可記錄到10隻,減少至本研究14次潛水調查共記錄到2隻。 |
英文摘要 | This study was conducted at 10 subtidal and 4 intertidal sampling sites in Dongsha Atoll by SCUBA diving and snorkeling during May 13-20 and August 20-22, 2004. A total of 133 mollusk species were collected, within which Muricidae being the most abundant family with 16 species, followed by family Conidae with 14 species. Twenty five species were first recorded in Dongsha Atoll. Species with economical value, e.g. Haliotis asinina (Linnaeus, 1758), Tectus niloticus maximus (Philppi, 1844), Tectus pyramis (Born, 1778), Turbo argyrostomus Linnaeus, 1758, Turbo chryostomus (Linnaeus, 1758), Hippopus hippopus (Linnaeus, 1758), Tridacna maxima (Roeding, 1798), could be found but were in low abundance. The density of giant clam, Hippopus hippopus, reduced from 10 individuals per dive during 1994 to only 2 individuals spotted in 14 dives in present study. |
本系統中英文摘要資訊取自各篇刊載內容。