English AGROVOC
uf
Primary production
RT
Biomass
RT
Cycling
RT
Ecosystems
RT
Food chains
RT
Photosynthesis
RT
Trophic levels
(Lao)
ຜົນຜະລິດຂັ້ນຕົ້ນ
(French)
Productivité primaire
(Spanish)
Productividad primaria