求翻译：森林生态系统是陆地生物圈的主体，它不仅在维护区域生态环境上起着重要作用，而且在全球碳平衡中也起着巨大的贡献。这是由于森林生态系统本身维持着大量的植被碳库（约占全球植被碳库的86%以上)，同时也维持着巨大的土壤碳库约占全球土壤碳库的73%。是什么意思？

Forest ecosystems is the main body of the terrestrial biosphere, not only in maintaining regional ecological environment plays an important role in the global carbon balance but also play a huge contribution. This is due to the forest ecosystem itself a lot of vegetation to maintain carbon pool (abo

Forest ecosystems are the principal, and it not only terrestrial biosphere in the maintenance of regional ecological environment, but also plays an important role in the global carbon balance are also playing a significant contribution. This is because the forest ecosystem itself maintains a large n

The forest ecosystem is the land biosphere main body, not only it in maintains in the region ecological environment to play the vital role, moreover is also getting up in the global carbon balance the tremendous contribution.This is because forest ecosystem itself maintains the massive vegetation ca

Forest ecosystem is the main body of land biosphere, it not only plays an important role in the maintenance of regional ecological environment, and also played a huge contribution in the global carbon balance. This is because itself has maintained a large number of vegetation of the forest ecosystem

Forest ecosystem is the main body of land biosphere, it not only plays an important role in the maintenance of regional ecological environment, and also played a huge contribution in the global carbon balance. This is because itself has maintained a large number of vegetation of the forest ecosystem