英语翻译Some have argued that the greater production of plant li
英语翻译
Some have argued that the greater production of plant litter under elevated CO2 (eCO2),especially woody detritus,could act as a governor on the CO2 enhancement of forest NPP by negatively impacting the terrestrial N cycle .Under such scenarios,the microbial decay of plant detritus slows,the accumulation of N from plant detritus into longlived soil organic matter increases and the supply of growth-limiting soil N to plants declines.This series of events could dampen or eliminate the extent to which eCO2 enhances NPP,having global implications for C storage on land as well as the future concentration of CO2 in the atmosphere.
Some have argued that the greater production of plant litter under elevated CO2 (eCO2),especially woody detritus,could act as a governor on the CO2 enhancement of forest NPP by negatively impacting the terrestrial N cycle .Under such scenarios,the microbial decay of plant detritus slows,the accumulation of N from plant detritus into longlived soil organic matter increases and the supply of growth-limiting soil N to plants declines.This series of events could dampen or eliminate the extent to which eCO2 enhances NPP,having global implications for C storage on land as well as the future concentration of CO2 in the atmosphere.
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有些人指出，随着二氧化碳量的增加而导致的植物落叶量尤其是木本碎屑量的增加会无形中增强森林生态系统中的氮循环，这对森林的净初级生产力中CO2的增加起至关重要的作用。在这种情况下，微生物对植物碎屑的分解作用会减弱，植物碎屑中含有的氮元素会更多的进入土壤内长期存在的有机物中，于是限定植物生长的有机物中进入植物的氮元素会减少。这个系列反应会消弱甚至消除提高CO2所能增加的森林第一性生产力，同时对陆地碳元素...
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