The Ramsar convention manual a guide to the convention on wetlands (Ramsar, Iran, 1971).

The Ramsar convention manual a guide to the convention on wetlands (Ramsar, Iran, 1971).

Manylion Llyfryddiaeth
Fformat: Llyfr
Iaith:English
Cyhoeddwyd: Gland Switzerland Ramsar Convention Bureau c1997
Rhifyn:2nd ed.
Pynciau:
Manual.
Conservation of wetland.
Wetlands.
Ramsar convention.