espèce (2) plage (2) établissement scolaire (2) ressources (2) recherche (2) ressource naturelle (2) gestion (2) lac (2) poisson (2) pêche (général) (2) environnement (2) Ouganda (2) Nile tilapia (2) Units of measurement (2) Success (2) Subsidies (2) Species (2) Research grants (2) Research (2) Probabilities (2) Nile perch (2) Nature and nurture (2) Management (2) Grants-in-aid (2) Fishes (2) Fishers (2) Fisheries (2) Example (2) Euthenics (2) Ecology (2)