English AGROVOC
uf
Energy levels
BT
Food chains
BT
Ecosystems
RT
Biological production
RT
Feeding habits
RT
Primary productivity
RT
Saprophytism
(Lao)
ລະດັບການບຳລຸງລ້ຽງ
(French)
Niveau trophique
(Spanish)
Niveles tróficos