Chia Nan University of Pharmacy & Science Institutional Repository:Item 310902800/1155
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    Title: 臺灣曾文河口擬銀幣直鏈藻生態與顯微結構之研究
    Ecology and microscopic morphology of the marine diatom Melosira nummuloides (Dillw) C.Agardh. from Tseng-Wen Estuary of Taiwan
    Authors: 賴雪端
    Contributors: 環境工程與科學系
    Keywords: 直鏈藻屬
    海水生
    河口
    Melosira
    marine
    estuary
    Date: 2003
    Issue Date: 2008-06-26 15:52:48 (UTC+8)
    Publisher: 台南縣:嘉南藥理科技大學環境工程與科學系
    Abstract: 本研究根據1998年至2003年間,在臺灣西部河川出海口及半鹽水濕地所進行之矽藻生物多樣性的調查發現: 一種特殊的直鏈藻屬矽藻Melosira只出現於曾文河口之閘門外及曾文河口鄰近的一半鹽水魚塭濕地,其他約四十一個半鹽水樣區,皆不曾出現此種矽藻。且M. nummuloides僅在曾文河口閘門外之樣區的秋季,才會形成最重要的優勢種族群,而閘門外之樣區鹽度之年平均值爲36 ‰,且介於34 - 44‰之間,其他濕地樣區之鹽度變化皆相當不規律,介於2-49 ‰之間.。故M. nummuloides應是典型之海水生種類。本研究以顯微玻片做爲人工基質,採集著生於玻片上之矽藻群聚,結果顯示在日平均溫度約23.5℃、鹽度約34‰、pH約8.1及導電度約50mS/cm之秋季自然潮夕條件下,M. Nummuloides可增殖于人工基質中成爲優勢種,本文亦討論其在光學顯微鏡與掃描式電子顯微鏡下之形態特徵。
    Relation: 計畫編號:CNEV9222
    Appears in Collections:[Dept. of Environmental Engineering and Science (including master's program)] Chna Project

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