Columbia subject headings:
Harvard subject headings:
Agricultural ecology--Congresses
Agrobiodiversity--Congresses.
Biodiversity--Congresses
Ecosystem management--Congresses.
Sustainable agriculture--Congresses
Sustainable fisheries--Congresses.
Sustainable forestry--Congresses.
Princeton subject headings:
Agricultural ecology--Congresses.
Agrobiodiversity--Congresses.
Biodiversity--Congresses.