| Titre : | Biological Conservation 133(4) - DEC 2006 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Linda M. Broadhurst, Auteur ;
Andrew G. Young, Auteur
Fragmented and degraded vegetation characterises agricultural landscapes across southern Australian. Remnant vegetation within these regions performs a number of vital ecological and hydrological roles, but little is known about whether or how f[...]
Article
Isabel Martinez, Auteur ;
Francisco Carreno, Auteur ;
Adrián Escudero, Auteur ;
Agustin Rubio, Auteur
Several modelling species distribution studies have been developed, in last years, though mainly applied in higher plants, mammals or birds. However, little is known about overlooked taxa like lichens. We have evaluated the potential distributio[...]
Article
Article
Jill A. Awkerman, Auteur ;
Kathryn P. Huyvaert, Auteur ;
Jeffrey Mangel, Auteur ;
Joanna Alfaro Shigueto, Auteur ;
David J. Anderson, Auteur
As large, long-lived seabirds with delayed and slow reproduction, albatrosses have low intrinsic mortality rates and are especially vulnerable to extinction from extrinsic sources of mortality such as fishery bycatch. Leg-band recovery informati[...]
Article
Heidi Paltto, Auteur ;
Bjorn Norden, Auteur ;
Frank Gotmark, Auteur ;
Niklas Franc, Auteur
The landscape context is crucial for forest conservation in regions where the natural forest is fragmented. The focus of practical conservation is currently shifting from local stands to a landscape perspective, but few studies have tested the r[...]
Article
Benoit de Thoisy, Auteur ;
Tomas Hrbek, Auteur ;
IZENI PIRES FARIAS, Auteur ;
William Ranyel Vasconcelos, Auteur ;
Anne Lavergne, Auteur
Microsatellite DNA polymorphisms were screened in seven populations of the largest Neotropical predator, the Black caiman Melanosuchus niger (n=169), originating from Brazil, French Guiana and Ecuador. Eight loci were used, for a total of 62 all[...]
Article
Steven J. Price, Auteur ;
Michael E. Dorcas, Auteur ;
Alisa L. Gallant, Auteur ;
Robert W. Klaver, Auteur ;
John D. Willson, Auteur
Urbanization has become the dominant form of landscape disturbance in parts of the United States. Small streams in the Piedmont region of the eastern United States support high densities of salamanders and are often the first habitats to be affe[...]
Article
Luigi Maiorano, Auteur ;
Alessandra Falcucci, Auteur ;
Luigi Boitani, Auteur
In the last 40 years, Italy has seen important changes: human pressure is increasing in flat and coastal areas while internal mountainous areas are being abandoned and naturally reforested. These changes have substantial impacts on the biodivers[...]
Article
William J. Zielinski, Auteur ;
Carlos Carroll, Auteur ;
Jeffrey R. Dunk, Auteur
Protection of area-limited species is an important component of plans to conserve biodiversity, but the habitat needs of such species can be different and important habitats may not align with existing reserves. We used empirically derived lands[...]
Article
Frederico Monteiro Neves, Auteur ;
Carlos Emilio Bemvenuti, Auteur
The aim of this study is to compare the density and vertical distribution of ghost crab Ocypode quadrata burrows at three beaches with different degrees of anthropic impact. in order to achieve this, 121 m(2) quadrants were laid out at random da[...]
Article
William J. Ripple, Auteur ;
Robert L. Beschta, Auteur
The strength of top-down forces in terrestrial food webs is highly debated as there are few examples illustrating the role of large mammalian carnivores in structuring biotic and abiotic systems. Based on the results of this study we hypothesize[...]
