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完整後設資料紀錄
DC 欄位 | 值 | 語言 |
---|---|---|
dc.contributor.advisor | 張新軒(Shin-Shinge Chang) | |
dc.contributor.author | Chang-Chang Chen | en |
dc.contributor.author | 陳昶璋 | zh_TW |
dc.date.accessioned | 2021-06-14T17:17:22Z | - |
dc.date.available | 2008-08-05 | |
dc.date.copyright | 2008-08-05 | |
dc.date.issued | 2008 | |
dc.date.submitted | 2008-07-25 | |
dc.identifier.citation | 行政院。2006。溫室氣體減量法草案總說明。
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dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/41106 | - |
dc.description.abstract | 土壤有機碳庫是全球碳循環的重要組成部分,也是CO2 減量的重要指標,並且直接影響全球的碳素平衡。蘆葦(Phragmites communis (L.) Trin)為禾本科多年生植物,為溼地主要植物族群,具有淨化水質、維持溼地生物多樣性、藥用、造紙纖維及生質能源作物等多功能。為達到CO2 減量與開發能源作物之目的,本研究以關渡地區河岸泥灘與休耕水田之蘆葦濕地為試驗區域,以連續刈割方式處理,探討刈割對蘆葦生物量與土壤有機碳庫之影響。一般生長之最大生物量,休耕水
田與河岸泥灘分別為16.8 與10.5 Mg ha-1 yr-1。刈割處理後,休耕水田再生蘆葦株高可至151-243 cm,作物生長速率為1.97-5.96 g m-2 day-1,累積生物量為11.3 Mg ha-1(2007 年7 月至2008 年5 月);河岸泥灘地再生蘆葦株高可至99-125 cm,作物生長速率為1.20-3.78 g m-2 day-1,累積生物量為5.6 Mg ha-1(2007 年9 月至2008 年 5月)。最佳收穫方式是以每年7-8 月進行一次收穫,不但可獲得最大生物量,且不干擾棲地保育。蘆葦藉由根圈沉降能增加土壤有機碳含量,主要影響0-20 cm 深之土壤。刈割與否對土壤有機碳含量之影響未達顯著性差異,顯示連續刈割在短期內不會造成土壤有機碳減少。休耕水田與河岸泥灘在試驗期間表土20 cm 內之土壤有機碳分別增加8.1 與4.5 Mg ha-1,相當於29.6 與16.5 Mg CO2 ha-1,蘆葦草稈每年分別固定27.7 與17.3 Mg CO2 ha-1。在休耕水田與河岸泥灘栽培蘆葦,估計每年分別能固定57.3 與33.8 Mg CO2 ha-1,收穫之草稈可做為生質能源原料。明顯地在未來進行蘆葦栽培可達到多重功能,例如CO2 減量、生質能源生產,並可在經濟與環境保育之間找到平衡點。 | zh_TW |
dc.description.abstract | Common reed (Phragmites communis (L.) Trin) is a perennial plant of Gramineae. It is an important marshy species and has multiple functions of wastewater treatment, maintain of wetland biodiversity, medicinal plant, pulp and bio-alcohol crop. Soil organic carbon (SOC) pool plays a main role of the global carbon cycle. It is an important indicator of CO2 reduction and directly affects the global carbon balance. The objective of this study is to investigate the effects of continuous mowing on common reed yield and SOC pool of fallow paddy and river stand in Guandu, Taipei, Taiwan. The maximum yields of fallow paddy and river strand are 16.8 and 10.5 Mg ha-1 year-1, respectively. In the fallow paddy, the plant height was 151-243 cm; crop growth rate was 1.96-5.96 g m-2 day-1; and the accumulative yield was 11.3 Mg ha-1 (from July, 2007 to May, 2008) with continuous mowing. In the river strand, the plant height was 99-125 cm; crop growth rate was 1.20-3.78 g m-2 day-1; and the accumulative yield was 5.6 Mg ha-1 (from September, 2007 to May, 2008) with mowing. Mowing once in the period between July and August is the best harvest practice to gain not only maximal biomass but also less interference of habitat conservation. Common reed enriched the SOC content by rhizodeposition and affected top 20 cm soil mainly. There is no significant difference between SOC contents with and without mowing in both experiment sites. It suggests that short term continuous mowing didn’t decrease SOC content. During experimental period, the total SOC in top 20 cm soil increased 8.1 and 4.5 Mg ha-1 in fallow paddy and river strand, respectively, equivalent to decrease in 29.6 and 16.5 Mg CO2 ha-1, respectively, and the CO2 sequestration of reed shoot were 27.7 and 17.3 Mg CO2 ha-1. Therefore, common reed cultivation is estimated to sequestrate 57.3 and 33.8 Mg CO2 ha-1 in fallow paddy and in river strand, respectively, and the mowed shoot can supply bioenergy production. In conclusion, cultivating common reed in the future could conduct multiple functions, such as the CO2 reduction, bioenergy production, and balance between economic and environment conservation. | en |
dc.description.provenance | Made available in DSpace on 2021-06-14T17:17:22Z (GMT). No. of bitstreams: 1 ntu-97-R95621114-1.pdf: 5061850 bytes, checksum: 6572e55742acc59703194163f6404740 (MD5) Previous issue date: 2008 | en |
dc.description.tableofcontents | 摘要................................1
Abstract............................2 第一章、前言........................4 第二章、前人研究....................8 第一節、蘆葦形態與遺傳背景........8 第二節、蘆葦生長特性與生態地位....9 第三節、蘆葦逆境耐受性...........10 第四節、蘆葦之應用價值...........12 第五節、土壤有機碳庫.............13 第六節、土壤有機碳庫之影響因子...16 第三章、材料與方法.................21 第一節、試驗地點.................21 第二節、取樣與前處理.............22 第三節、葉片光合速率.............23 第四節、生長分析.................24 第五節、土壤性質分析.............24 第六節、統計分析.................25 第四章、結果.......................27 第一節、蘆葦葉片光合速率...............27 第二節、關渡濕地蘆葦草稈生長特性.......27 第三節、連續刈割處理對蘆葦生長之影響...28 第四節、土壤環境特性...................29 第五節、關渡蘆葦濕地SOC變化......31 第六節、CO2固定量估計............32 第五章、討論.......................34 第一節、葉片光合速率與週年生長變化........34 第二節、環境對關渡蘆葦生長之影響..........34 第三節、連續刈割對生物量之影響............35 第四節、連續刈割對蘆葦溼地有機碳庫之影響..37 第五節、關渡蘆葦濕地有機碳庫時間動態......38 第六節、關渡蘆葦濕地對CO2減量之貢獻.......39 參考文獻...........................54 | |
dc.language.iso | zh-TW | |
dc.title | 刈割對蘆葦生物量與土壤有機碳庫之影響 | zh_TW |
dc.title | Effect of Mowing on Common Reed Biomass and Soil Organic Carbon Pool | en |
dc.type | Thesis | |
dc.date.schoolyear | 96-2 | |
dc.description.degree | 碩士 | |
dc.contributor.coadvisor | 楊棋明(Chi-Ming Yang) | |
dc.contributor.oralexamcommittee | 蔡養正(Yang-Zenq Tsai),蔡文福(Wen-Fu Tsai),曾美倉(Mei-Tsang Tseng) | |
dc.subject.keyword | 蘆葦,刈割,生物量,土壤有機碳(SOC),CO2固定, | zh_TW |
dc.subject.keyword | common reed,mowing,soil organic carbon (SOC),CO2 sequestration, | en |
dc.relation.page | 62 | |
dc.rights.note | 有償授權 | |
dc.date.accepted | 2008-07-27 | |
dc.contributor.author-college | 生物資源暨農學院 | zh_TW |
dc.contributor.author-dept | 農藝學研究所 | zh_TW |
顯示於系所單位: | 農藝學系 |
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