Biological surveillance reports of the NERC [Natural Environment Research Council] Working Parties on biological surveillance in the marine, freshwater and terrestrial environments [i.e. the Marine Biological Surveillance Working Party, the Freshwater Biological Surveillance Working Party, the Terrestrial Biological Surveillance Working Party]
Natural Environment Research Council (Great Britain).Marine Biological Surveillance Working Party.
Natural Environment Research Council (Great Britain).Freshwater Biological Surveillance Working Party.
Natural Environment Research Council (Great Britain).Terrestrial Biological Surveillance Working Party.
London N.E.R.C.
1976
Biotic communities