| Titre : | Biological Conservation 133(1) - NOV 2006 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Shalene L. George, Auteur ;
Keuin R. Crooks, Auteur
Human recreation has immediate and long-term impacts on wildlife, and exposure to recreational activities might be particularly high in urban systems. We investigated the relationship between human recreation and the spatial and temporal activit[...]
Article
Ursula Ellenberg, Auteur ;
Thomas Mattern, Auteur ;
Philip J. Seddon, Auteur ;
Guillermo Luna-Jorquera, Auteur
Over the last decade the Humboldt penguin, Spheniscus humboldti, has become a focus for ecotourism. Current management applies visitor guidelines similar to those developed for Magellanic penguins, Spheniscus magellanicus. However, unlike these,[...]
Article
Gregory P. Brown, Auteur ;
Benjamin L. Phillips, Auteur ;
Jonathan K. Webb, Auteur ;
Richard Shine, Auteur
Determining the factors that influence the rate of spread of invasive species is an important goal for conservation biology. if invasive species utilize specific landscape features as dispersal corridors, control programs can target such corrido[...]
Article
Sarah S. Greenleaf, Auteur ;
Claire Kremen, Auteur
Pollination provided by bees enhances the production of many crops. However, the contribution of wild bees remains unmeasured for many crops, and the effects of anthropogenic change on many bee species are unstudied. We experimentally investigat[...]
Article
Ian Davidson-Watts, Auteur ;
Sean Walls, Auteur ;
Gareth Jones, Auteur
Cryptic species are similar in morphology, and make interesting subjects for relating morphological differentiation to ecological resource partitioning. Can species that are morphologically almost identical occupy different ecological niches, an[...]
Article
Omar Attum, Auteur ;
Perri Eason, Auteur ;
Gary Cobbs, Auteur ;
Sherif M. Baha El Din, Auteur
We report the impact of human-induced desertification on the species richness, abundance, and composition of sand dune flora and herpetofauna of North Sinai, Egypt. Our hypothesis was that degraded habitats would have reduced vegetation complexi[...]
Article
Behavioral responses of brown bears mediate nutritional effects of experimentally introduced tourism
Karyn D. Rode, Auteur ;
Sean D. Farley, Auteur ;
Charles T. Robbins, Auteur
To develop a conceptual understanding of the interaction between tourists and bears, this study examined the responses of brown bears (Ursus arctos) to experimentally introduced tourism at Douglas River in south-central Alaska within the framewo[...]
Article
Fabrizio Sergio, Auteur ;
Paolo Pedrini, Auteur ;
Franco Rizzolli, Auteur ;
Luigi Marchesi, Auteur
Land abandonment is causing considerable woodland expansion in many mountainous areas of Europe, with potential repercussions on conservation-sensitive species typical of open habitats. We examined the potential impact of such changes on an alpi[...]
Article
Magdalena Niedzialkowska, Auteur ;
Wlodzimierz Jedrzejewski, Auteur ;
Robert W. Myslajek, Auteur ;
Sabina Nowak, Auteur ;
Bogumila Jedrzejewska, Auteur ;
Krzysztof Schmidt, Auteur
Based on data from the National Lynx Census, carried out in Poland in 2000-2001, and using Geographic Information System, we analysed nine habitat characteristics in 56 circular sample plots (113 km(2) each), where lynx (Lynx lynx) have been rec[...]
Article
Arundhati Das, Auteur ;
Jagdish Krishnaswamy, Auteur ;
Kamaljit S. Bawa, Auteur ;
M. C. Kiran, Auteur ;
V. Srinivas, Auteur ;
N. Samba Kumar, Auteur ;
K. Ullas Karanth, Auteur
Areas of high conservation value were identified in the Western Ghats using a systematic conservation planning approach. Surrogates were chosen and assessed for effectiveness on the basis of spatial congruence using Pearson's correlations and Ma[...]
Article
Julian J. O'Grady, Auteur ;
Barry W. Brook, Auteur ;
David H. Reed, Auteur ;
Jonathan D. Ballou, Auteur ;
David W. Tonkyn, Auteur ;
Richard Frankham, Auteur
The role of inbreeding depression in the extinction of wild populations is controversial, largely because there are no quantitative estimates of its impact using realistic levels of inbreeding depression. To address this deficiency, this study ([...]
Article
Joseph A. Cook, Auteur ;
Natalie G. Dawson, Auteur ;
Stephen O. MacDonald, Auteur
The Alexander Archipelago of Southeast Alaska encompasses over 2000 named islands that extend along 600 kin of the North Pacific Coast. This review summarizes recent research on mammals of this largely unexplored region. Field inventories follow[...]
