Columbia subject headings:
Ecosystem management--International cooperation.
Ecosystem management.
Environmental law.
Sustainable development.
Harvard subject headings:
Ecosystem management--Congresses.
Ecosystem management--International cooperation--Congresses.
Environmental law--Congresses
Sustainable development--Congresses
Princeton subject headings:
Ecosystem management--Congresses.
Ecosystem management--International cooperation--Congresses.
Environmental law--Congresses.
Sustainable development--Congresses.