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博碩士論文 etd-0929100-151459 詳細資訊
Title page for etd-0929100-151459
論文名稱
Title
泰來草在水泥池環境中之生態學研究
Ecological Study of Seagrass Thalassia hemprichii in Cement Ponds
系所名稱
Department
畢業學年期
Year, semester
語文別
Language
學位類別
Degree
頁數
Number of pages
38
研究生
Author
指導教授
Advisor
召集委員
Convenor
口試委員
Advisory Committee
口試日期
Date of Exam
2000-07-10
繳交日期
Date of Submission
2000-09-29
關鍵字
Keywords
泰來草
Thalassia hemprichii
統計
Statistics
本論文已被瀏覽 5870 次,被下載 3124
The thesis/dissertation has been browsed 5870 times, has been downloaded 3124 times.
中文摘要
本研究主要探討泰來草在水泥池中的生長受環境因子的影響,生長的指標包括:葉綠素濃度、實驗前後葉片長度、鬚根長度及溼重變化等。影響因子為鹽度(分為30ppt、35ppt及38ppt三種水平)、水深(由10cm起以10cm間隔逐步增加至及80cm)及底質(組成以蝦池底泥、珊瑚砂及貝殼砂,依不同比例合成四種不同底質),日照則為自然光,不予控制。海水每星期更換一次,並調整鹽度。研究結果顯示:(1)鹽度對泰來草的生長會有影響,由其是在鬚根的成長及葉綠素濃度上,高鹽度不利於鬚根的成長;(2)底質部份對泰來草生長的影響在本實驗並沒有顯著的差異,不過有跡象顯示,似乎底質顆粒越大越有利鬚根的成長;(3)日照量的影響也是透過水深來表達,結果顯示累計日照量對鬚根的成長及葉綠素濃度有顯著的正向關係存在。推測累計日照量越高則植物行光合作用越茂盛,所以能合成更多的能量供植物體生長,因此鬚根的生長會更好。
由上述實驗結果可顯示泰來草適合生長在底質顆粒較粗、光照充足且鹽較低(約30ppt)的環境中。
Abstract
The purpose of this research is to study the effects of environments on the growth of Thalassia hemprichii in cement ponds. The growth index include:chlorophyll concentration, leaf length , hairy root length and their wet weight during experimental periods. Environmental factors use in this study included:salinity (3 levels), water depths(8 levels), sediment types (4 groups) and sun light energy. The results showed that:(1)Salinity significantly affected growth of seagrass, especially hairy root and chlorophyll concentration;A negative effect of high salinity on root growth.(2) Sediment had no significant effect on seagrass growth, althought a bigger sediment particle, a higher growth rate in root.
Analysis of variance from general linear model showed that the sequence of importance to the chlorophyll concentration of leaves are the coefficient of light decline, salinity, time, water depth and cumulated sun light.








目次 Table of Contents
目 錄
章 次 頁 數

中文摘要............................................. Ⅲ
英文摘要............................................. Ⅳ
謝辭................................................. Ⅴ
目錄................................................. Ⅵ
表目錄............................................... Ⅶ
圖目錄............................................... Ⅷ
一、緒論............................................. 1
二、材料與方法....................................... 5
三、結果............................................. 8
四、討論與結論....................................... 13
參考文獻............................................. 17
表................................................... 20
圖................................................... 35











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