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Documents disponibles écrits par cet auteur (10)
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Article
Blaise Martay, Auteur ; David I. Leech, Auteur ; Chris R. Shortall, Auteur ; James R. Bell, Auteur ; Stephen J. Thackeray, Auteur ; Deborah L. Hemming, Auteur ; James W. Pearce-Higgins, AuteurRecent insect abundance declines may have affected populations of insectivorous bird species but evidence for this is limited. Here, we use spatially overlapping 29-year time-series of aerial insect biomass and Barn Swallow Hirundo rustica numbe[...]
Article
Blaise Martay, Auteur ; David I. Leech, Auteur ; Chris R. Shortall, Auteur ; James R. Bell, Auteur ; Stephen J. Thackeray, Auteur ; Deborah L. Hemming, Auteur ; James W. Pearce-Higgins, AuteurRecent insect abundance declines may have affected populations of insectivorous bird species but evidence for this is limited. Here, we use spatially overlapping 29-year time-series of aerial insect biomass and Barn Swallow Hirundo rustica numbe[...]
Article
Ruth H. Walker, Auteur ; Robert A. Robinson, Auteur ; Carl J. Barimore, Auteur ; Jeremy R. Blackburn, Auteur ; Lee J. Barber, Auteur ; Jacquie A. Clark, Auteur ; Gary D. Clewley, Auteur ; Hazel E. Evans, Auteur ; Ros M. Green, Auteur ; Diana X. de Palacio, Auteur ; Mark J. Grantham, Auteur ; Bridget M. Griffin, Auteur ; Sabine Schäfer, Auteur ; David I. Leech, AuteurThis is the 81st annual report of the British Trust for Ornithology’s Ringing Scheme, incorporating the report of the Nest Record Scheme and covering work carried out and data collected and processed in 2017. Demographic data contributed to seve[...]
Article
Ruth H. Walker, Auteur ; Robert A. Robinson, Auteur ; Carl J. Barimore, Auteur ; Jeremy R. Blackburn, Auteur ; Lee J. Barber, Auteur ; Hazel E. McCambridge, Auteur ; Ros M. Green, Auteur ; Diana X. De Palacio, Auteur ; Mark J. Grantham, Auteur ; Bridget M. Griffin, Auteur ; Sabine Schäfer, Auteur ; Ian D. Woodward, Auteur ; David I. Leech, AuteurThis is the 82nd annual report of the British Trust for Ornithology’s Ringing Scheme, incorporating the report of the Nest Record Scheme and covering work carried out and data processed in 2018. We reviewed the literature on tracking devices to [...]
Article
Catriona A. Morrison, Auteur ; Stephen R. Baillie, Auteur ; Jacquie A. Clark, Auteur ; Alison Johnston, Auteur ; David I. Leech, Auteur ; Robert A. Robinson, AuteurHigher temperatures resulting from climate change have led to predictions that the duration of the breeding season of many temperate bird species may be changing. However, the extent to which breeding seasons can be altered will also depend on t[...]
Article
Catriona A. Morrison, Auteur ; Stephen R. Baillie, Auteur ; Jacquie A. Clark, Auteur ; Alison Johnston, Auteur ; David I. Leech, Auteur ; Robert A. Robinson, AuteurHigher temperatures resulting from climate change have led to predictions that the duration of the breeding season of many temperate bird species may be changing. However, the extent to which breeding seasons can be altered will also depend on t[...]
Article
Karl L. Evans, Auteur ; David I. Leech, Auteur ; Humphrey Q. P. Crick, Auteur ; Jeremy J. D. Greenwood, Auteur ; Kevin J. Gaston, AuteurDans Bird Study (56 2009)Capsule Daylength, rather than latitude, was found to be an important determinant of variation in clutch size. Aims To describe the nature of spatial and temporal variation in clutch size, and explore the ecological correlates of these patterns.[...]
Article
Karl L. Evans, Auteur ; David I. Leech, Auteur ; Humphrey Q. P. Crick, Auteur ; Jeremy J. D. Greenwood, Auteur ; Kevin J. Gaston, AuteurDans Bird Study (56 2009)Capsule Daylength, rather than latitude, was found to be an important determinant of variation in clutch size. Aims To describe the nature of spatial and temporal variation in clutch size, and explore the ecological correlates of these patterns.[...]
Article
Stuart E. Newson, Auteur ; Alison Johnston, Auteur ; Dave Parrott, Auteur ; David I. Leech, AuteurThe introduction of exotic species to ecosystems can have severe consequences for populations of native organisms, but logistical limitations and shortage of historical data often hinder attempts to quantify the ecological implications of such r[...]
Article
Stuart E. Newson, Auteur ; David I. Leech, Auteur ; Chris M. Hewson, Auteur ; Humphrey Q. P. Crick, Auteur ; Phil V. Grice, AuteurSeveral woodland bird species have declined markedly in abundance in England over the past 40 years, whilst the grey squirrel Sciurus carolinensis, a non-native nest predator, has increased. Given the timing, there has been concern that grey squ[...]
