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研究生:曾冠菁
研究生(外文):Kuen-Chin Zhen
論文名稱:東海南部海域夏季表層海水浮游植物體型大小組成比例對其光合作用效率光飽和值影響之研究
論文名稱(外文):Effect of size fraction of phytoplankton on their light saturated photosynthetic efficiency in the surface water of the southern East China Sea in summer
指導教授:龔國慶龔國慶引用關係
指導教授(外文):Gwo-Ching Gong
學位類別:碩士
校院名稱:國立臺灣海洋大學
系所名稱:海洋環境化學與生態研究所
學門:自然科學學門
學類:海洋科學學類
論文種類:學術論文
論文出版年:2011
畢業學年度:99
語文別:中文
論文頁數:73
中文關鍵詞:光合作用效率光飽和値葉綠素分大小
外文關鍵詞:light saturated photosynthetic efficiencysize fraction
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光合作用效率光飽和値(light saturated photosynthetic efficiency; )是指浮游植物的光合作用效率(單位葉綠素的基礎生產力)在不同光照強度下可以達到的最高值。光合作用效率光飽和値是推算海洋基礎生產力或是驅動海洋生地化模式的關鍵參數,但此數值會受到其生長環境或是族群組成差異影響。為瞭解 值與海洋環境及浮游植物體型大小的相關性,本研究利用2010年夏天海研二號第1739(8月2-5日)和1744(8月25-27日)航次於東海南部海域(由大陸沿岸馬祖往東至深海黑潮區)的觀測結果,進行該問題的探討。浮游植物組成的體型大小是以20 µm的網目來分割並進行葉綠素的測定, 值則是利用現場甲舨PB-E curve的培養實驗獲得。兩個航次的結果顯示在研究海域大多數測站小於20 µm葉綠素所占的比例較高,平均72±20%。實驗得到之 值介於2.2-28.1 gC gChl-1 hr-1之間。進一步分析發現 值的變化與小於20 µm葉綠素所占的比例在1739航次呈現無相關,在1744有航次呈現正相關結果,推測環境改變可能造成浮游植物生理改變進而影響研究結果,或是受控於不同種類的浮游植物本深有不同的 值,若要找出東海海域夏天時 值的高低變化仍需要更多的實驗結果加以驗證。
誌謝 ii
摘要 iii
Abstract iv
目錄 v
表目錄 viii
圖目錄 ix
第一章、前言 1
1.1海洋基礎生產力的重要性 1
1.2光合作用效率光飽和値及其重要性 1
1.3影響光合作用效率光飽和值的因素 2
1.4過去在東海海域對 的研究 4
1.5在東海南部進行光合作用效率光飽和値測量的原因 5
1.6論文之目標 7
第二章、材料與方法 8
2.1採樣位置、時間與項目 8
2.2 樣本採集 9
2.2.1 電子儀器資料收集 9
2.2.2海水樣本採樣與保存方式 9
2.3分析方法 10
2.3.1無機營養鹽 10
2.3.2葉綠素a 13
2.3.3 浮游植物體型大小的界定與計算方法 14
2.3.4 PB-E curve培養 15
2.4.5 PB-E curve參數之計算 19
2.5 PB-E curve培養之先過濾再培養與先培養再過濾差異實驗方法 20
2.5.1測定流程 21
2.5.2各個參數分析方法 22
2.5.3培養結果 22
第三章、結果 23
3.1 海洋環境 23
3.1.1 1739航次(2010年8月) 23
3.1.2 1744航次(2010年8月) 25
3.2 浮游植物體型大小組成 27
3.2.1 1739航次 27
3.2.2 1744航次 27
3.3 PB-E curve 28
3.3.1 1739航次 28
3.3.2 1744航次 28
第四章、討論 30
4.1 1739航次 30
4.1.1海洋環境 30
4.1.2海洋環境對浮游植物體型大小組成的關係 30
4.1.3海洋環境與 値之關係 31
4.1.4 値與浮游植物體型大小組成的關係 31
4.2 1744航次 31
4.2.1海洋環境 31
4.2.2海洋環境對浮游植物體型大小組成的關係 32
4.2.3海洋環境與 値之關係 32
4.2.4 値與浮游植物體型大小組成的關係 33
4.3 兩航次綜合比較 33
4.3.1海洋環境 33
4.3.2海洋環境對浮游植物體型大小組成的關係 34
4.3.3海洋環境與 値之關係 34
4.3.4 値與浮游植物體型大小組成的關係 35
第五章、結論 37
參考文獻 39

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