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Due to licensing restrictions 686 series from 6 sources cannot be distributed without the permission of the owner. These are data from the British Trust for Ornithology’s Common Bird Census (97) and Constant Effort Recording Scheme (32), Rothamstead Experimental Station, UK (9), the National monitoring programme for wintering wildfowl in Norway 1980 – 93 (T. Nygard, 23), Phalacrocorax carbo (Great cormorant) and Somateria mollissima (Common eider) series supplied by N. Rov (2) and data from insect light trapping supplied by H. Wolda (523).

Author

GPDD Administrator cpb-gpdd-dl@imperial.ac.uk