TRENDS IN SIZE OF BRITISH GREY SEAL POPULATIONS

[1] ANDERSON S S, 1977, Nature in Wales, V15, P114

[2] ANDERSON SS, 1976, GREY SEALS MONACH IS

[3] BONNER W N, 1974, Transactions of the Natural History Society of Northumbria, V42, P65

[4] BONNER W N, 1971, Transactions of the Natural History Society of Northumberland Durham and Newcastle Upon Tyne (New Series), V17, P141

[5] BONNER WN, 1976, 16 NAT ENV RES COU C

[6] BOYD J. MORTON, 1962, PROC ZOOL SOC LONDON, V138, P257

[7] GREY SEAL (HALICHOERUS-GRYPUS) AT NORTH RONA, 1959 TO 1968 [J]. JOURNAL OF ZOOLOGY, 1971, 164 (AUG) : 469 - &

[8] BOYD JM, 1963, 1961 P ZOOL SOC LOND, V141, P635

[9] BOYD JM, 1962, 1960 P ZOOL SOC LOND, V139, P249

[10] THE BREEDING BIOLOGY OF THE GREY SEAL, HALICHOERUS-GRYPUS (FAB), ON THE FARNE ISLANDS, NORTHUMBERLAND [J]. JOURNAL OF ANIMAL ECOLOGY, 1964, 33 (03) : 485 - 512

[1] ANDERSON S S, 1977, Nature in Wales, V15, P114

[2] ANDERSON SS, 1976, GREY SEALS MONACH IS

[3] BONNER W N, 1974, Transactions of the Natural History Society of Northumbria, V42, P65

[4] BONNER W N, 1971, Transactions of the Natural History Society of Northumberland Durham and Newcastle Upon Tyne (New Series), V17, P141

[5] BONNER WN, 1976, 16 NAT ENV RES COU C

[6] BOYD J. MORTON, 1962, PROC ZOOL SOC LONDON, V138, P257

[7] GREY SEAL (HALICHOERUS-GRYPUS) AT NORTH RONA, 1959 TO 1968 [J]. JOURNAL OF ZOOLOGY, 1971, 164 (AUG) : 469 - &

[8] BOYD JM, 1963, 1961 P ZOOL SOC LOND, V141, P635

[9] BOYD JM, 1962, 1960 P ZOOL SOC LOND, V139, P249

[10] THE BREEDING BIOLOGY OF THE GREY SEAL, HALICHOERUS-GRYPUS (FAB), ON THE FARNE ISLANDS, NORTHUMBERLAND [J]. JOURNAL OF ANIMAL ECOLOGY, 1964, 33 (03) : 485 - 512