Research & Surveys
An aberrant Red-legged Partridge from Gloucestershire.
Ash, J.S. 1959. Bulletin of the British Ornithologists' Club, 79: 129-130.
Pollen contamination of birds
Ash, J.S. 1959. British Birds, 52: 424-425.
Partridges apparently affected by industrial contamination.
Ash, J.S. 1958. British Birds, 51: 241-242.
Factors controlling brood size in the Partridge (Perdix perdix) on an estate in South England.
Blank, T.H. & Ash, J.S. 1958. In: Transactions of the 3rd Congress of the International Union of Game Biologists, Aarhus: 39-41. International Union of Game Biologists, Copenhagen.
Methods for estimating the year-to-year variations in size of the game populations and/or bags, and the utilization of this information.
Blank, T.H. 1958. In: Transactions of the 3rd Congress of the International Union of Game Biologists, Aarhus: 112-113. International Union of Game Biologists, Copenhagen.
A review of pheasant propagation methods in Great Britain.
Coles, C.L. 1958. In: Transactions of the 3rd Congress of the International Union of Game Biologists, Aarhus: 30-33. International Union of Game Biologists, Copenhagen, Denmark.
Management and conservation of game birds in Britain.
Middleton, A.D. 1958. In: Transactions of the 3rd Congress of the International Union of Game Biologists, Aarhus: 28-29. International Union of Game Biologists, Copenhagen.
Uncommon migrants at Portland Bill during the autumn of 1956
Smith, K.D., & Ash, J.S. 1958. British Birds, 51: 27-29.
Post-mortem examinations of birds found dead during the cold spells of 1954 and 1956.
Ash, J.S. 1957. Bird Study, 4: 159-166.
Helminth parasites in some wild birds.
Clapham, P.A. 1957. Bird Study, 4: 193-196.
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