TY - BOOK ED - Natural Environment Research Council. ED - Natural Environment Research Council. ED - Natural Environment Research Council. TI - 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] T2 - Publications : series B (Natural Environment Research Council) SN - 0901875473 (sd) PY - 1976/// CY - London (27 Charing Cross Rd, WC2H 0AX) PB - N.E.R.C. KW - Biotic communities KW - Great Britain KW - Measurement ER -