article 8 human 6 nonhuman 5 adult 4 female 4 Biodiversity 3 Simple++ 3 biodiversity 3 cooperation 3 male 3 population dynamics 3 reward 3 Animals 2 Beta diversity 2 Conservation law 2 Contact angle 2 Continuous symmetry 2 Continuous transitions 2 Critical behaviour 2 Critical exponent 2 De-wetting 2 Difference equations 2 Differential-difference equations 2 Discontinuous transition 2 Ecosystem 2 Equilibrium state 2 Euclidean lattices 2 Failure (mechanical) 2 Forestry 2 Fractal dimension 2