Cairns J
Naturwissenschaften. 1975 May;62(5):193-9. doi: 10.1007/BF00603163.
The protection of critical ecosystems appears to be a sounder management strategy than the protection of critical species. Environmental quality-control systems designed to protect ecosystems are described. These quality-control systems will make it possible to optimize the ability of ecosystems to assimilate and transform wastes and protect them from degradation.