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Soil Respiration and its Components of the Degraded Ecosystems in Temperate Mixed Forest Zone

機譯：溫帶混交林區土壤呼吸及其退化生態系統的組成

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The goal of this research was to determine small-scale variations in total soil respiration and its components that can be applied to study the global carbon cycling. The degraded ecosystems including temperate mixed forest, poplar-birch forest, hardwood forest, mongolian oak forest and bare land were investigated during the growing season. Data of total soil respiration and its components were collected with an infrared gas exchange analyzer and by using a trenched-plot approach. The results indicated that curves of seasonal and daily soil respiration had a single peak for each different degraded ecosystem, the maximum soil respiration rates occurred during the summer months of July or August. The fluctuation patterns of the major components and the total soil respiration rates were very similar. In conclusion, the response of soil respiration during succession of degraded ecosystem resulted from a synergistic effect of multiple elements.
機譯：這項研究的目的是確定可用于研究全球碳循環的總土壤呼吸作用及其組成的小規模變化。在生長季節調查了退化的生態系統，包括溫帶混交林，白樺林，闊葉林，蒙古櫟林和光禿禿的土地。使用紅外氣體交換分析儀并使用溝槽圖方法收集土壤總呼吸及其成分的數據。結果表明，每個退化的生態系統的季節性和每日土壤呼吸曲線只有一個峰值，最大的土壤呼吸速率發生在七月或八月的夏季。主要成分的波動模式和總土壤呼吸速率非常相似。總之，退化生態系統演替過程中土壤呼吸的響應是由多種元素的協同??作用引起的。

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