高美濕地土壤碳存量之時空變化

童莉婷

doi:10.6845/NCHU.2013.00180

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高美濕地土壤碳存量之時空變化

Temporal and Spatial Changes in Soil Carbon Stock in Kaomei Wetland

童莉婷 , Masters　　Advisor：林幸助　　

繁體中文 DOI： 10.6845/NCHU.2013.00180

碳匯；碳源；碳吸存；總碳；植被； carbon sink ； carbon source ； carbon sequestration ； total carbon(TC) ； vegetation

Abstract │ Reference (93) │ Times Cited (6) │ Altmetrics

Abstract 〈TOP〉

Parallel Abstract 〈TOP〉

Coastal wetlands are considered as the most efficient carbon sequestration ecosystem on Earth, which can mitigate the aggravated greenhouse effect caused by human activities. Coastal wetlands fix carbon(C) in the system by photosynthesis and tidal movement. Hydrophytes and benthic microalgae transform inorganic C into organic C through photosynthesis; organic C may be deposited on the tidalflats and/or exported to the ocean as food source for marine organisms by tidal currents. Our research site, Kaomei wetland, is a typical coastal wetland in the western coast of Taiwan, where the tidal marsh plant Bolboschoenus planiculmis is distributed and provides important ecosystem services of C sequestration. To understand the ability of carbon sequestration in Kaomei wetland, this research aims at determining temporal and spatial changes in soil C stock and the influencing factors from August 2011 to May 2012. As the result showed, soil C stock was associated with vegetation, and the total carbon concentration(TC) in vegetated zone was higher than in sandflat. Soil C stock was also affected by seasonal change – higher in summer than the other seasons. In the top 30 cm of the soil bodies, vegetated zones had much better C stock capability than sandflats. Salt marsh had 0.44 %TC and 14.96 kg C m-2 yr-1; seagrass bed had 0.25 %TC and 18.12 kg m-2 yr-1; but sandflats only had 0.19 %TC and -14.48 kg m-2 yr-1. The average total soil carbon content in Kaomei wetland was 113.88 kg m-2 and the average carbon stock was 357.59 Gg. The sediment of Kaomei wetland released a lot of organic carbon that export amount was larger than vegetation production. For understanding of the C budget and flux in Kaomei Wetland, future works need to further analyze the TC of inflow water and C uptake rates by the major primary producers.

Reference ( 93 ) 〈TOP〉

王振君。（2007）。高美濕地大型水生植物的豐度與空間分布。國立中興大學生命科學院碩士在職專班碩士學位論文。
連結：
行政院環境保護署環境檢驗所。（2005）。土壤採樣方法（NIEA S102.61B）。
連結：
行政院環境保護署環境檢驗所。（2005）。底泥採樣方法（NIEA S104.30C）。
連結：
行政院環境保護署環境檢驗所。（2009）。土壤檢測方法總則（NIEA S103.61C）。
連結：
卓盟翔。（2007）。影響雲林莞草發芽與生長之環境因子探討。國立中興大學生命科學系研究所碩士學位論文。
連結：

Times Cited (6) 〈TOP〉

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