| Titre : | Biological Conservation 131(1) - JUL 2006 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Fiona J. Sanderson, Auteur ;
Paul F. Donald, Auteur ;
Deborah J. Pain, Auteur ;
Ian J. Burfield, Auteur ;
Frans P. J. van Bommel, Auteur
We present the first continent-wide analysis of the population trends of European breeding birds to show that populations of Afro-Palearctic migrant birds have shown a pattern of sustained, often severe, decline. The mean trend of inter-continen[...]
Article
P. Odor, Auteur ;
J. Heilmann-Clausen, Auteur ;
M. Christensen, Auteur ;
E. Aude, Auteur ;
K. W. van Dort, Auteur ;
A. Piltaver, Auteur ;
I. Siller, Auteur ;
M. T. Veerkamp, Auteur ;
R. Walleyn, Auteur ;
T. Standovar, Auteur ;
A. F. M. van Hees, Auteur ;
J. Kosec, Auteur ;
N. Matocec, Auteur ;
H. Kraigher, Auteur ;
T. Grebenc, Auteur
Saproxylic organisms are among the most threatened species in Europe and constitute a major conservation problem because they depend on the most important forestry product - dead wood. Diversity of fungal and bryophyte communities occurring on d[...]
Article
Soon Leong Lee, Auteur ;
Kevin K. S. Ng, Auteur ;
Leng Guan Saw, Auteur ;
Chai Ting Lee, Auteur ;
Norwati Muhammad, Auteur ;
Naoki Tani, Auteur ;
Yoshihiko Tsumura, Auteur ;
Jarkko Koskela, Auteur
To conserve a rare plant, conservation programs must be guided by the biological attributes of the species. what constitutes the most critical biological information for plant conservation has been the issue of discussion for the last 30 years. [...]
Article
Marina Fleury, Auteur ;
Mauro Galetti, Auteur
The establishment of plant species depends crucially on where the seeds are deposited. However, since most studies have been conducted in continuous forests, not much is known about the effects of forest fragmentation on the maintenance of abiot[...]
Article
Alvar Carranza, Auteur ;
Andrés Domingo, Auteur ;
Andres Estrades, Auteur
Pelagic longlines are widely known to interact with several species of sea turtles, and there is an increasing concern about the by-catch of turtles in commercial fisheries and its impact on their populations. However, information on sea turtle [...]
Article
John B. Taft, Auteur ;
Christopher Hauser, Auteur ;
Kenneth R. Robertson, Auteur
Indices are needed in habitat conservation and restoration to provide repeatable measures relevant to conservation goals. A monitoring and research program was established at Nachusa Grasslands in north-central Illinois (USA) to assess progress [...]
Article
Niels Strange, Auteur ;
Bo Jellesmark Thorsen, Auteur ;
Jesper Bladt, Auteur
In this paper we present a novel expansion of the problem of optimal reserve site selection over time. We explore a case where areas with valuable biodiversity cannot all be protected immediately due to budget restrictions and there is a probabi[...]
Article
Henrik Andren, Auteur ;
John D. C. Linnell, Auteur ;
Olof Liberg, Auteur ;
Reidar Andersen, Auteur ;
Anna Danell, Auteur ;
Jens Karlsson, Auteur ;
John Odden, Auteur ;
Pal F. Moa, Auteur ;
Per Ahlqvist, Auteur ;
Tor Kvam, Auteur ;
Robert Franzen, Auteur ;
Peter Segerstrom, Auteur
Causes of mortality were described for 245 radio-marked Eurasian lynx (Lynx lynx) in five different Scandinavian study areas. Further-more, the survival rates and the population growth rates were estimated for three of the study areas where 202 [...]
Article
Tracy A. G. Rittenhouse, Auteur ;
Raymond D. Semlitsch, Auteur
The persistence of amphibian populations in fragmented landscapes requires dispersal and recolonization of habitat patches after local extinction. These processes entail individuals crossing habitat edges. Edge permeability integrates the behavi[...]
Article
N. E. Karraker, Auteur ;
H. H. Welsh, Auteur
Conservation needs for amphibians in managed timberlands may differ based upon the species present and the timber harvesting methods employed. Clearcuts have been documented to be detrimental to amphibians but the impacts of associated silvicult[...]
Article
S. P. Rushton, Auteur ;
D. J. A. Wood, Auteur ;
P. W. W. Lurz, Auteur ;
J. L. Koprowski, Auteur
The Mt. Graham red squirrel (Tamiasciurus hudsonicus grahamensis; MGRS) is among the most critically endangered mammals in the United States and is isolated on the periphery of the species' range, potentially increasing its conservation priority[...]
Article
R. D. Estes, Auteur ;
J. L. Atwood, Auteur ;
A. B. Estes, Auteur
The concentration of over 25,000 ungulates inside Ngorongoro Crater on a 250 km(2) patch of the African plains was a major reason for designating the Ngorongoro Conservation Area as a World Heritage Site in 1979. As one of East Africa's premier [...]
