Distribution and effects of tree leaf litter on vegetation composition and biomass in a forest-grassland ecotone
Alejandro Loydi, Kerstin Lohse, Annette Otte, Tobias W. Donath, R. Lutz Eckstein
J Plant Ecol . 2014, (3): 264 -275 .  DOI: 10.1093/jpe/rtt027