Titre : | Bird Conservation International 18 - SEP 2008 |
Type de document : | Bulletin |
Paru le : | 00/00/0000 |
Dépouillements
Article
Timothy G. O'Brien, Auteur ;
Margaret F. Kinnaird, Auteur
This study reviews the use of remotely triggered still cameras, known as camera traps, in bird research and Suggests new methods useful for analyzing camera trap data. Camera trapping may be most appropriate for large, ground-dwelling birds, suc[...]
Article
Derek Pomeroy, Auteur ;
Herbert Tushabe, Auteur ;
Richard Cowser, Auteur
In this paper, we argue that bird atlases, and the databases from which they are produced, are becoming increasingly valuable resources - but only in sonic parts of the world. There is a striking lack of atlases for almost all of the world's spe[...]
Article
Douglas C. MacMillan, Auteur ;
Nigel Leader-Williams, Auteur
Wild bird conservation in the UK is a widely regarded as a success story. The populations of many endangered species have grown or at least stabilised, birds that were last seen in the UK over loo years ago have been successfully re-introduced, [...]
Article
Luc Lens, Auteur ;
Hilde Eggermont, Auteur
As anthropogenic stress increasingly affects the viability of natural populations of animals and plants, conservation ecologists are challenged to identify vulnerable populations before their demographic and/or genetic properties become irrevers[...]
Article
David C. Lee, Auteur ;
Stuart J. Marsden, Auteur
An important component of many conservation Studies is the assessment of bird-habitat relationships, but limited resources often lead to constraints on study design, quality and quantity of bird data, and restrict the number and types of habitat[...]
Article
Mortality of albatrosses (and petrels) as bycatch in longline fisheries is one of the most important and pervasive sources of mortality for many species and is often closely linked to observed population declines. In the area of the Southern Oce[...]
Article
Jeff S. Kirby, Auteur ;
Alison J. Stattersfield, Auteur ;
Stuart H. M. Butchart, Auteur ;
Michael I. Evans, Auteur ;
Richard F. A. Grimmett, Auteur ;
Victoria R. Jones, Auteur ;
John O'Sullivan, Auteur ;
Graham M. Tucker, Auteur ;
Ian Newton, Auteur
An estimated 19% of the world's 9,856 extant bird species are migratory, including some 1,600 species of land- and waterbirds. In 2008, 11% of migratory land- and waterbirds were classed by BirdLife International as threatened or near-threatened[...]
Article
Stephen T. Buckland, Auteur ;
Stuart J. Marsden, Auteur ;
Rhys E. Green, Auteur
In many bird monitoring Surveys, no attempt is made to estimate bird densities or abundance. instead, counts of one form or another are made, and these are assumed to correlate with bird density. Unless complete Counts Oil Sample plots are feasi[...]
Article
Understanding how avian populations are structured spatially and temporally is fundamental to their effective conservation. Protecting migratory species in one jurisdiction or period of the annual cycle may be ineffective if they periodically mo[...]
Article
There is a great need for increased use and further development Of automated sound recording and analysis of avian sounds. Birds are critical to ecosystem functioning so techniques to make avian monitoring more efficient and accurate will greatl[...]
Article
Richard D. Gregory, Auteur ;
Petr Vorisek, Auteur ;
David G. Noble, Auteur ;
Arco van Strien, Auteur ;
Alena Klvanova, Auteur ;
Mark Eaton, Auteur ;
Adriaan W. Gmelig Meyling, Auteur ;
Andrew Joys, Auteur ;
Ruud P. B. Foppen, Auteur ;
Ian J. Burfield, Auteur
Global and regional targets to reduce the rate of biodiversity loss bring with them the need to measure the state of nature and how it is changing. A number of different biodiversity indicators have been developed in response and here we conside[...]
Article
Christopher G. R. Bowden, Auteur ;
Ken W. Smith, Auteur ;
Mohammed E. L. Bekkay, Auteur ;
Widade Oubrou, Auteur ;
Ali Aghnaj, Auteur ;
Maria Jimenez-Armesto, Auteur
The Northern Bald Ibis or Waldrapp Geronticus eremita is a species of and semi-deserts and steppes, which was formerly widely distributed as a breeding bird across North Africa, the Middle East and the European Alps. Just over 100 breeding pairs[...]
Article
After habitat loss and degradation, the leading threats to biodiversity are over-exploitation and invasive alien species. For birds, newly synthesised data using the standard classification schemes for utilisation and threat types for the IUCN R[...]