TRENDS IN SIZE OF BRITISH GREY SEAL POPULATIONS

[11] SOME FACTORS AFFECTING SIZE OF BRITISH GREY SEAL POPULATIONS [J]. JOURNAL OF APPLIED ECOLOGY, 1978, 15 (02) : 401 - 411

[12] HARWOOD J, 1976, J ZOOL, V180, P506

[13] HELLE E, 1976, Ambio, V5, P261

[14] Hewer H.R., 1974, BRIT SEALS

[15] HICKLING G, 1977, Transactions of the Natural History Society of Northumbria, V42, P119

[16] HICKLING G, 1976, Transactions of the Natural History Society of Northumbria, V42, P107

[17] HICKLING G, 1975, Transactions of the Natural History Society of Northumbria, V42, P93

[18] LOCKLEY RM, 1966, IRISH NATURALISTS J, V19, P43

[19] MANSFIELD AW, 1977, 704 FISH MAR SERV TE

[20] MARTIN M, 1703, DESCRIPTION WESTERN

[11] SOME FACTORS AFFECTING SIZE OF BRITISH GREY SEAL POPULATIONS [J]. JOURNAL OF APPLIED ECOLOGY, 1978, 15 (02) : 401 - 411

[12] HARWOOD J, 1976, J ZOOL, V180, P506

[13] HELLE E, 1976, Ambio, V5, P261

[14] Hewer H.R., 1974, BRIT SEALS

[15] HICKLING G, 1977, Transactions of the Natural History Society of Northumbria, V42, P119

[16] HICKLING G, 1976, Transactions of the Natural History Society of Northumbria, V42, P107

[17] HICKLING G, 1975, Transactions of the Natural History Society of Northumbria, V42, P93

[18] LOCKLEY RM, 1966, IRISH NATURALISTS J, V19, P43

[19] MANSFIELD AW, 1977, 704 FISH MAR SERV TE

[20] MARTIN M, 1703, DESCRIPTION WESTERN