摘要 : 1. Tropical forests account for one-third of the total metabolic activity of the Earths land surface. Hence, understanding the controls on tropical forest photosynthesis and respiration, and the allocation of the products of photo... 展开 1. Tropical forests account for one-third of the total metabolic activity of the Earths land surface. Hence, understanding the controls on tropical forest photosynthesis and respiration, and the allocation of the products of photosynthesis to canopy, woody tissue and rhizosphere, is important to understand global ecosystem functioning. 收起