temps (durée) (1) dégradation du sol (1) sol (1) restauration (1) bassin de retenue (1) pression (1) gestion (1) environnement (1) écosystème (1) écologie (1) agriculture (1) conservation (1) carbone (1) Ecology (1) Conservation (1) Selection (1) Agriculture (1) Rules (1) Rules (1) Bacterial diversity (1) Specialists (1) Species diversity (1) Time (1) Stochastic processes (1) Soils (1) Soil degradation (1) Proportion (1) Pressure (1) Nature and nurture (1) Management (1)