Complementary N Uptake Strategies between Tree Species in Tropical Rainforest

Figure 2

(a) Leaf natural N¹⁵ abundance (δ ¹⁵N ) and (b) total leaf nitrogen content (%N) in Dicorynia guianensis and Eperua falcata in rainforest plots developed on two geomorphologic domains in French Guiana. Six one-ha plots: volcanic-plutonic domain (CP1, CP6, and CP7) and schist domain (CP2, CP3, and CP4) (means ± SE).

(a)

(b)