Examining variation in the leaf mass per area of dominant species across two contrasting tropical gradients in light of community assembly by Neyret, M, Bentley, L, Oliveras, I, Marimon, B, Marimon-Junior, B, Almeida de Oliveira, E, Barbosa Passos, F, Castro Ccoscco, R, Dos Santos, J, Matias Reis, S, Morandi, P, Rayme Paucar, G, Robles Cáceres, A, Valdez Tejeira, Y, Yllanes Choque, Y, Salinas, N, Shenkin, A, Asner, G, Díaz, S, Enquist, B, Malhi, Y