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Methane and Carbon Dioxide Fluxes from Spartina Alterniflora Marsh in Minjiang River Estuary

Author: EZuo
Tutor: ZuoChuan
School: Fujian Normal University
Course: Physical Geography
Keywords: Spartina alterniflora methane flux carbon dioxide flux environmental factors
CLC: X502
Type: Master's thesis
Year: 2010
Downloads: 5
Quote: 0
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Abstract


The emission of greenhouse gases from wetland ecosystem and its influence on enviroment is paid more and more attention by people. The Minjiang River estuary wetland is one of the most important estuary wetlands in southeast, China. The GHG fluxes from the Minjiang River estuary wetland is the component part in the list of GHG inventory in our country. As the invasive species, Spartina alterniflora has expanded quickly these years in the Minjiang River estuary wetland. The characteristics of methane and carbon dioxide fluxes over two years (2008、2009) during three tidal stages (before flood, in flooding and ebbing process and after ebb) from the Spartina alterniflora patches in the Shanyutan marsh wetland in the Min River estuary region were investigated. And the main impact factors were also analyzed. The result showed that the effects of temperature on methane and carbon dioxide fluxes accompanyed with the whole tidal. Methane oxidation in the soil of Spartina alterniflora stand was quantified using methane oxidation inhibitors(acetylene), the experiment got two conclusions: methane oxidation rate in summer was higher than that in winter;methane oxidation rate under the soils under Spartina alterniflora was higher than that no Spartina alterniflora. Greenhouse effect of methane and carbon dioxide emission from Spartina alterniflora stands in the Min River estuary was analyzed using GWP.

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CLC: > Environmental science, safety science > Environmental pollution and its prevention > General issues > Analysis and determination of pollution
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