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Article
John Calladine, Auteur ; Graeme Garner, Auteur ; Chris Wernham, Auteur ; Nigel Buxton, AuteurCapsule The proportion of time during which breeding Short-eared Owls could be seen during daylight hours was low and assessment of seasonal variation in their detection likelihoods suggests that surveys may only be able reliably to identify pai[...]
Article
John Calladine, Auteur ; Graeme Garner, Auteur ; Chris Wernham, Auteur ; Nigel Buxton, AuteurCapsule The proportion of time during which breeding Short-eared Owls could be seen during daylight hours was low and assessment of seasonal variation in their detection likelihoods suggests that surveys may only be able reliably to identify pai[...]
Article
John Calladine, Auteur ; Graeme Garner, Auteur ; Chris Wernham, Auteur ; Andre Thiel, AuteurDans Bird Study (56 2009)Capsule A minimum of four constant-effort-search survey visits are required to generate reliable population estimates of breeding birds on moorland that are not subject to biases associated with varying levels of detectability through the season[...]
Article
Brendan D. Cowled, Auteur ; Fiona Giannini, Auteur ; Sam D. Beckett, Auteur ; Andrew Woolnough, Auteur ; Simon Barry, Auteur ; Lucy Randall, Auteur ; Graeme Garner, AuteurFeral pig populations are expanding in many regions of the world following historically recent introductions. Populations are controlled to reduce damage to agriculture and the environment, and are also a recreational hunting resource. Knowledge[...]
