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Article
John P. Tracey, Auteur ; Peter J. S. Fleming, Auteur ; Gavin J. Melville, AuteurDensity estimates are seldom examined against actual population size, hence the ability of estimators to correct for bias is unknown. Studies that compare techniques are difficult to interpret because of the uncertainty of adherence to their res[...]
Article
Gavin J. Melville, Auteur ; John P. Tracey, Auteur ; Peter J. S. Fleming, Auteur ; Brian S. Lukins, AuteurRecent developments in the application of line-transect models to aerial surveys have used double-observer sampling to account for undercounting on the transect line, a crucial step in obtaining correct population estimates. This method is commo[...]
Article
Peter J. S. Fleming, Auteur ; John P. Tracey, Auteur
Article
John P. Tracey, AuteurContext. The epidemiology of avian influenza and the ecology of wild birds are inextricably linked. An understanding of both is essential in assessing and managing the risks of highly pathogenic avian influenza (HPAI). Aims. This project investi[...]
Article
Peter J. S. Fleming, Auteur ; John P. Tracey, AuteurAerial surveys of wildlife involve a noisy platform carrying one or more observers moving over animals in order to quantify their abundance. This simple-sounding system encapsulates limits to human visual acuity and human concentration, visual a[...]
