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Auteur Philip Warren |
Documents disponibles écrits par cet auteur (7)
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Article
Philip Warren, Auteur ; Tom Hornby, Auteur ; David Baines, AuteurCapsule: Call-playback in spring can be a practical method to survey Grey Partridges Perdix perdix in rough grasslands with abundant cover. However, further research is required to investigate movements and other responses to call-playback.Aims:[...]![]()
Article
Philip Warren, Auteur ; Tom Hornby, Auteur ; David Baines, AuteurCapsule: Breeding Grey Partridges Perdix perdix on hill farms preferred Soft Rush-infested rough grazing which provided nesting cover and invertebrates for foraging chicks.Aims: To measure habitat use, nest sites, chick diet and breeding product[...]![]()
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David Baines, Auteur ; Michael Richardson, Auteur ; Philip Warren, AuteurCapsule: Conservation programmes for Black Grouse Tetrao tetrix need to consider managements that increase invertebrates for chicks.Aims: To compare invertebrates in chick diet between habitat and region and to relate abundance of preferred inve[...]![]()
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Philip Warren, Auteur ; Frances Atterton, Auteur ; David Baines, Auteur ; Manon Viel, Auteur ; Zoe Deal, Auteur ; Michael Richardson, Auteur ; David Newborn, AuteurCapsule A survey in 2014 of male Black Grouse in England showed a continuation of declines in North Northumberland and increases in the North Pennines and Yorkshire Dales.Aims To survey the abundance and range of Black Grouse males in northern E[...]![]()
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Philip Warren, Auteur ; Patrick J. C. White, Auteur ; David Baines, Auteur ; Frances Atterton, Auteur ; Melanie J. Brown, AuteurCapsule Low Black Grouse survival rate in northern England during a severe winter with prolonged snow was attributed to limited availability and proximity of woodland. Aims To compare the impact of the severe winter weather on Black Grouse in an[...]![]()
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Philip Warren, Auteur ; David Baines, AuteurCapsule Surveys of Black Grouse in northern England in 1998, 2002 and 2006 show population recovery in the form of increases in both numbers and range. Aims To quantify the population size and range of Black Grouse in northern England. Methods M[...]![]()
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Philip Warren, Auteur ; David Baines, AuteurRadio-transmitters were fitted on 146 juvenile Red Grouse Lagopus lagopus scoticus (116 hens, 30 cocks) to study the timing, frequency and distances of dispersal on managed grouse moors in northern England between 1999 and 2002. A third of the r[...]



