Results of general linear models testing the effects of detritivore and plant litter assemblages and water temperature on detritivore-mediated decomposition rates (measured as the proportion of leaf weight loss per capita).

Model I tested the effects of detritivore assemblage (D), plant litter assemblage (L), temperature (T), their interactions, and the experimental trial (nested within temperature). Model II separated the effects of detritivore assemblages into effects of species richness (DR; 1 vs. 3 species) and species identity (DS), as well as plant litter assemblages into effects of species richness (LR) and species identity (LS). Degrees of freedom, sum of squares, F statistic and P-values are shown.