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完整後設資料紀錄
DC 欄位 | 值 | 語言 |
---|---|---|
dc.contributor.advisor | 吳先琪 | |
dc.contributor.author | Chih-Chung Chou | en |
dc.contributor.author | 周至中 | zh_TW |
dc.date.accessioned | 2021-06-15T06:46:20Z | - |
dc.date.available | 2012-07-25 | |
dc.date.copyright | 2011-07-25 | |
dc.date.issued | 2011 | |
dc.date.submitted | 2011-06-20 | |
dc.identifier.citation | 環保署全國環境水質監測資訊網,(2009),http://wqshow.epa.gov.tw/。
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(2009) Digital recordings of gas-vesicle collapse used to measure turgor pressure and cell-water relations of cyanobacterial cells, Journal of Microbiological Methods, 77, pp. 214-224. Ibelings, B. W., Kroon, B. M. A., and Mur, L. R. (1994) Acclimation of photosystem II in a cyanobacterium and a eukaryotic green alga to high and fluctuating photosynthetic photon flux densities, simulating light regimes induced by mixing in lakes, New Phytol., Vol. 128, pp. 407-424. Kromkamp, J., and Walsby, A. E. (1990) A computer model of buoyancy and vertical migation in cyanobacteria, Journal of Plankton Research, Vol.12, No.1, pp.161-183. Kromkamp, J., Konopka, A., and Mur, L. R. (1988) Buoyancy regulation in light-limited continuous cultures of Microcystis aeruginosa, Journal of Plankton Research, Vol. 10, No. 2, pp. 171-183. Lehman, P. W., Boyer, G., Satchwell, M., and Waller, S. 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(1983) “Simulation of water-bloom in a eutrophic lake – II : reassessment of buoyancy, gas vacuole and turgor pressure of Microcystis aeruginosa” Water Res., Vol. 17, No. 8, pp. 877-882. Puschner, B., Galey, F. D., Johnson, B., Dickie, C. W., Vondy, M., and Holstege, D. M. (1998) Blue-green algae toxicosis in cattle, J. Am. Vet. Med. Assoc., Vol. 1, No.2,13(11), pp. 1605-7, 1571. Rabouille, S., Thebault, J. M., and Salencon, M. J. (2003) Simulation of carbon reserve dynamics in Microcystis and its influence on vertical migration with Yoyo model, Comptes Rendus Biologies, Vol. 326, pp. 349-361. Spencer, C. N., and King, D. L. (1989) Role of light, carbon dioxide and nitrogen in regulation of buoyancy, growth and bloom formation of Anabaena flos-aquae, Journal of Plankton Research, Vol.11, No.2, pp. 283-296. Thomas, R. H., and Walsby, A. E. (1985) Buoyancy regulation in a strain of Microcystis, Journal of General Microbiology, Vol. 131, pp. 799-809. Visser, P. M., Passarge, J., and Mur, L. R. (1997) Modelling vertical migration of the cyanobacterium Microcystis, Hydrobiologia, Vol. 349: pp. 99-109. Wallace, B. B., and Hamilton, D. P. (1999) The effect of variations in irradiance on buoyancy regulation in Microcystis aeruginosa, Limnology and Oceanography, Vol.44, No. 2, pp. 273-281. Wang, C., Kong, H. N., He, S. B., Zheng, X. Y., and Li, C. J. (2010) The inverse correlation between growth rate and cell carbohydrate content of Microcystis aeruginosa, Journal of Appl Phycol, Vol. 22, pp. 105-107. Wiedner, C., Visser, P. M., Fastner, J., Metcalf, J. S., Codd, G. A., and Mur, L. R. (2003) Effects of light on the Microcystin content of Microcystis strain PCC 7806, Applied and Environmental Microbiology, Vol. 69, No. 3, pp. 1475-1481. | |
dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/48105 | - |
dc.description.abstract | 過去研究對於微囊藻在水體分層時大量生長之原因仍不瞭解,故無法預測其
優勢生長時機並提供良好之預防措施。本研究欲建立分析真實藻細胞密度之方法, 並以純藻培養及水庫現場藻細胞之兩組實驗,探討微囊藻細胞垂直移動之機制及 建立相關之軌跡模式。研究結果改善過去密度梯度液方法,將密度範圍擴大至小 於1 g/cm3。另外,本研究發展另一定密度溶液分析法,此方法較密度梯度液法更 適合用於水庫現場分析。純藻培養之實驗結果顯示,微囊藻細胞密度值皆小於一 般水體之密度範圍,此外,可能是由於長期培養於實驗室之微囊藻並不需要浮力 調控的機制即可生長,故微囊藻密度變化率與光線強度無明顯關係。水庫現場之 實驗結果顯示,微囊藻密度之變化率具有光抑制情形,包括光抑制效果之密度變 化關係式較為適用。本研究建立了微囊藻垂直移動之軌跡模式,並且可以不同初 始深度、藻團半徑、最大表水光線強度及基準係數,模擬微囊藻細胞上浮下沈之 現象。模式中加入了擴散作用之隨機位移項,部份模擬結果與水庫中微囊藻常以 團聚藻細胞存在之現象相呼應,顯示未來可以此軌跡模式為基礎,模擬及預測微 囊藻細胞在不同環境條件下之垂直移動。 | zh_TW |
dc.description.abstract | The reason for the dominance of Microcystis in stratified water bodies found in previous studies is not clear. It is still difficult to predict when Microcystis will dominate or to provide a good preventive strategy without the understanding of the controlling factors of the growth of Microcystis. The purposes of study include establishing the methods for analysising the density of algal cells, better understanding the buoyant mechanism of Microcystis and establishing a trajectory model for the movement of the colonies of Microcystis based on the results of the pure-culture experiments and on-site experiments.
The method of analysising the density of algal colonies was improved. The density range has been expanded to be lower than 1 g/cm3. This new method is ready to be used on site. The results of the pure-culture experiments in laboratory show that the density of Microcystis is much lower than that of freshwater and the density change rate has no obvious relationship with the irradiance intensity. It is believed that Microcystis which had been cultured in the laboratory for a long time might have lost the buoyance regulation mechanism. The results of the on-site experiments show photoinhibition. Photoinhibition was taken into consideration while establishing the relationship between the density change rate and irradiation intensity. The trajectory model established in this study is able to simulate the vertical migration of the colony of Microcystis at certain initial depth and colony sizes. The model is able to describe the diurnal movement of the algal cells in waterbodies under different environmental conditions. It is found that the bigger colony has more chance to overcome the separation of the light and the nutrient because it is less affected by diffusion. This trajectory model would be able to simulate the vertical movement and growth of algal colonies for longer duration precisely if the growth mechanism of nutrient uptake were added. | en |
dc.description.provenance | Made available in DSpace on 2021-06-15T06:46:20Z (GMT). No. of bitstreams: 1 ntu-100-R97541123-1.pdf: 3791918 bytes, checksum: a24c3deeedc05067dbe1328f2642b404 (MD5) Previous issue date: 2011 | en |
dc.description.tableofcontents | 謝誌 i
摘要 iii Abstract ............................................................................................................................. iv 目錄 vi 圖目錄 ............................................................................................................................ viii 表目錄 ............................................................................................................................... i 第一章 前言 .................................................................................................................... 1 1-1 水庫優養化及藍綠藻問題 ............................................................................... 1 1-2 新山水庫水質之季節特性及微囊藻問題 ....................................................... 1 1-3 研究需求 ........................................................................................................... 4 第二章 背景與理論 ........................................................................................................ 5 2-1 微囊藻之分佈及危害 ....................................................................................... 5 2-2 過去研究對於微囊藻優勢生長行為所提出之理論 ....................................... 7 2-3 微囊藻之浮力調控機制 ................................................................................... 7 2-4 建立微囊藻浮力調控模式 ............................................................................. 10 2-4-1 微囊藻之沉降速度 .............................................................................. 10 2-4-2 微囊藻團密度之變化率 ...................................................................... 11 2-4-3 光線強度隨水深之變化 ...................................................................... 13 2-5 藻類密度之量測 ............................................................................................. 14 2-6 研究目的 ......................................................................................................... 15 第三章 研究方法 .......................................................................................................... 16 3-1 藻類細胞密度測定方法 ................................................................................. 16 3-1-1 密度梯度液法 ...................................................................................... 16 3-1-2 定密度溶液法 ...................................................................................... 17 3-2 微囊藻團密度變化與光線強度之實驗 ......................................................... 17 3-2-1 純藻培養實驗 ...................................................................................... 18 3-2-2 新山水庫現場藻類實驗 ...................................................................... 20 3-3 藻類細胞碳水化合物含量測定方法 ............................................................. 21 3-4 微囊藻垂直移動模式 ..................................................................................... 22 3-4-1 模式架構 .............................................................................................. 22 3-4-2 控制方程式 .......................................................................................... 23 第四章 結果與討論 ...................................................................................................... 28 4-1 兩種藻細胞密度分析方法之檢討 ................................................................. 28 4-1-1 密度梯度液分析方法 .......................................................................... 28 4-1-2 定密度溶液分析方法 .......................................................................... 28 4-2 微囊藻細胞密度與光線強度之關係 ............................................................. 29 vii 4-2-1 純藻培養實驗結果 .............................................................................. 29 4-2-2 新山水庫現場藻細胞實驗結果 .......................................................... 30 4-3 微囊藻碳水化合物含量與光線強度之關係 ................................................. 36 4-3-1 純藻培養之實驗結果 .......................................................................... 36 4-4 模式模擬結果 ................................................................................................. 38 4-4-1 光線強度影響微囊藻團密度之參數校正 .......................................... 38 4-4-2 以不同初始深度出發之模擬結果 ...................................................... 40 4-4-3 不同微囊藻團半徑之模擬結果 .......................................................... 45 4-4-4 以不同最大表水光線強度模擬微囊藻之垂直移動 .......................... 54 4-4-5 以不同基準係數(N0)模擬微囊藻之垂直移動 ................................... 58 4-4-6 與陳(2009)監測新山水庫現場資料比較 ........................................... 60 第五章 結論與建議 ...................................................................................................... 62 第六章 參考文獻 .......................................................................................................... 63 附錄 67 | |
dc.language.iso | zh-TW | |
dc.title | 光線強度對微囊藻垂直移動之影響及模擬 | zh_TW |
dc.title | The effect of the intensity of irradiance on the vertical migration of Microcystis | en |
dc.type | Thesis | |
dc.date.schoolyear | 99-2 | |
dc.description.degree | 碩士 | |
dc.contributor.oralexamcommittee | 吳俊宗,童心欣 | |
dc.subject.keyword | 微囊藻,垂直移動,光線,藻細胞密度,軌跡模式, | zh_TW |
dc.subject.keyword | Microcystis,vertical migration,light,colony density,trajectory model, | en |
dc.relation.page | 74 | |
dc.rights.note | 有償授權 | |
dc.date.accepted | 2011-06-21 | |
dc.contributor.author-college | 工學院 | zh_TW |
dc.contributor.author-dept | 環境工程學研究所 | zh_TW |
顯示於系所單位: | 環境工程學研究所 |
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