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首页> 外文期刊>Current Science: A Fortnightly Journal of Research >Soil CO2 flux in the different ecosystems of North East India
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Soil CO2 flux in the different ecosystems of North East India

机译：印度东北部不同生态系统中的土壤二氧化碳通量

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摘要

We examined monthly and seasonal changes in soil CO2 flux in the grassland, bamboo and Dipterocarpus forest ecosystems of Manipur, North East India. Soil CO2 flux was recorded to be highest during rainy season and lowest during cool and dry winter season. Soil CO2 flux rate was recorded to be highest in forest followed by grassland and bamboo forest. Multiple regression revealed that up to .92% of variation in soil CO2 flux could be explained by soil moisture, soil temperature and soil organic carbon in three different ecosystems. Annual amount of CO2 flux from soil was estimated at 694.86, 671.16 and 1029.25 g C m(-2) y(-1) in grassland, bamboo and Dipterocarpus forest ecosystems respectively. Thus the results indicate that soil CO2 flux rate is highly influenced by seasons, environmental factors and types of vegetation in the different ecosystems of NE India.
机译：我们研究了印度东北部Manipur草地，竹林和Dipterocarpus森林生态系统中土壤CO2通量的月度和季节变化。据记录，土壤二氧化碳通量在雨季最高，而在凉爽和干燥的冬季最低。森林中的土壤二氧化碳通量率最高，其次是草地和竹林。多元回归表明，土壤CO2通量变化的高达.92％可以用三种不同生态系统中的土壤水分，土壤温度和土壤有机碳来解释。在草地，竹林和双翅目森林生态系统中，估计每年从土壤中产生的二氧化碳通量分别为694.86、671.16和1029.25 g C m（-2）y（-1）。因此，结果表明，印度东部不同生态系统中的季节，环境因素和植被类型对土壤CO2通量的变化影响很大。

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