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Rae McKenzie, Auteur ; Jessica M. Shaw, AuteurThe Scottish island of Islay hosts 45 000 barnacle geese Branta leucopsis (56% of the Greenland barnacle goose population, plus those passing through on migration), 5000 Greenland white-fronted geese Anser albifrons flavirostris (up to 30% of th[...]
Article
Jessica M. Shaw, Auteur ; Andrew R. Jenkins, Auteur ; David G. Allan, Auteur ; Peter G. Ryan, AuteurLudwig's Bustard Neotis ludwigii is globally Endangered' because of a projected population decline resulting from high collision mortality on power lines throughout its southern African range. Population monitoring is key to the effective conser[...]
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Andrew R. Jenkins, Auteur ; Jessica M. Shaw, Auteur ; Jon J. Smallie, Auteur ; Bradley Gibbons, Auteur ; Ronelle Visagie, Auteur ; Peter G. Ryan, AuteurLudwig's Bustard Neotis ludwigii, endemic to Africa's south-west arid zone, is susceptible to collisions with overhead power lines. Limited data from the south-eastern part of its range suggest that this factor may threaten its survival. We esti[...]
Article
Jessica M. Shaw, Auteur ; Andrew R. Jenkins, Auteur ; Jon J. Smallie, Auteur ; Peter G. Ryan, AuteurThe Overberg wheatbelt population of Blue Cranes Anthropoides paradiseus in the Western Cape of South Africa is approximately half the global population of this vulnerable species. Blue Cranes are highly susceptible to collisions with overhead p[...]
Article
Jessica M. Shaw, Auteur ; Andrew R. Jenkins, Auteur ; Peter G. Ryan, Auteur ; Jon J. Smallie, AuteurDans Ostrich (81(2) 2010)Avian mortality on power lines in South Africa is currently recorded on the Central Incident Register (CIR), which is a collation of incidentally reported cases. The true scale of the problem is unknown, so we report here on a survey of represen[...]
