English AGROVOC

NT Agroecosystems
NT Biocoenosis
NT Aquatic communities
NT Benthos
NT Periphyton
NT Plankton
NT Phytoplankton
NT Zooplankton
NT Seston
NT Plant communities
NT Climax communities
NT Biotopes
NT Food chains
NT Trophic levels
NT Habitats
NT Moors
RT Biodiversity
RT Cycling
RT Ecology
RT Ecotones
RT Environment
RT Primary productivity
RT Spatial distribution
RT Vegetation
(Lao)
   ລະບົບນິເວດ
(French)
   Écosystème
(Spanish)
   Ecosistema