| Titre : | Biological Conservation 136(2) - APR 2007 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
K. J. Walker, Auteur ;
C. N. R. Critchley, Auteur ;
A. J. Sherwood, Auteur ;
R. Large, Auteur ;
P. Nuttall, Auteur ;
S. Hulmes, Auteur ;
R. Rose, Auteur ;
J. O. Mountford, Auteur
Agri-environment (AE) schemes aim to arrest declines in arable biodiversity through cereal field margin management options. We evaluated the effectiveness of uncropped cultivated margins (UCM), spring fallow (SF) and cropped conservation headlan[...]
Article
Una Fitzpatrick, Auteur ;
Tomas E. Murray, Auteur ;
Robert J. Paxton, Auteur ;
John Breen, Auteur ;
Don Cotton, Auteur ;
Veronica Santorum, Auteur ;
Mark J. F. Brown, Auteur
Bees are believed to be in decline across many of the world's ecosystems. Recent studies on British bumblebees proposed alternative theories to explain declines. One study suggested that greater dietary specialization among the rarer bumblebee s[...]
Article
Curtis H. Freese, Auteur ;
Keith E. Aune, Auteur ;
Delaney P. Boyd, Auteur ;
James N. Derr, Auteur ;
Steve C. Forrest, Auteur ;
C. Cormack Gates, Auteur ;
Peter J. P. Goyan, Auteur ;
Shaun M. Grassel, Auteur ;
Natalie D. Halbert, Auteur ;
Kyran Kunkel, Auteur ;
Kent H. Redford, Auteur
Before European settlement the plains bison (Bison bison bison) numbered in the tens of millions across most of the temperate region of North America. Within the span of a few decades during the mid- to late-1800s its numbers were reduced by hun[...]
Article
Robert N. Lehman, Auteur ;
Patricia L. Kennedy, Auteur ;
Julie A. Savidge, Auteur
We systematically reviewed the raptor electrocution literature to evaluate study designs and methods used in raptor electrocution research, mitigation, and monitoring, emphasizing original research published in English. Specifically, we wondered[...]
Article
John B. Iverson, Auteur ;
Sarah J. Converse, Auteur ;
Geoffrey R. Smith, Auteur ;
Jennifer M. Valiulis, Auteur
Article
Colin J. Yates, Auteur ;
Carole Elliott, Auteur ;
Margaret Byrne, Auteur ;
David J. Coates, Auteur ;
Richard Fairman, Auteur
In this study we investigate the effect of population size on the proportion of flowers that produce a fruit (fruit set), the number of seeds per fruit (seed set), seed germinability, seedling mortality and growth in a range of population fragme[...]
Article
Anke Fischer, Auteur ;
Juliette C. Young, Auteur
The participation of the public in environmental decision-making and management is increasingly seen as essential for the success of conservation initiatives. Ecological scientists and conservation practitioners have, however, argued that a lack[...]
Article
T. J. Mason, Auteur ;
K. French, Auteur
Management of plant invaders causes disturbance and the compounding effects of both invasion and management on biodiversity merit rigorous assessment. We explored the impacts of both plant invasion and management disturbance in coastal dune comm[...]
Article
Aaron M. Haines, Auteur ;
Michael E. Tewes, Auteur ;
Linda L. Laack, Auteur ;
Jon S. Horne, Auteur ;
John H. Young, Auteur
Article
Kimberleigh J. Field, Auteur ;
C. Richard Tracy, Auteur ;
Philip A. Medica, Auteur ;
Ronald W. Marlow, Auteur ;
Paul Stephen Corn, Auteur
Translocation could be used as a tool in conservation of the threatened Mojave Desert Tortoise (Gopherus agassizii) by moving individuals from harm's way and into areas where they could contribute to conservation of the species. Numerous factors[...]
Article
Kimiko Hirayama, Auteur ;
Kiyoshi Ishida, Auteur ;
Suzuki Setsuko, Auteur ;
Nobuhiro Tomaru, Auteur
We investigated how genetic factors and pollen shortage affect seed produ ction in a small population of Magnolia stellata, a threatened insect-pollinated tree. We used microsatellite and manual pollination techniques, and compared a small popul[...]
Article
Jos Barlow, Auteur ;
Luiz A. M. Mestre, Auteur ;
Toby A. Gardner, Auteur ;
Carlos A. Peres, Auteur
Secondary forests and exotic tree plantations are rapidly expanding across tropical landscapes, yet we currently have a very poor understanding of the value of these human-dominated forest landscapes for biodiversity conservation. Mist netting, [...]
Article
one consequence of human land-use is the exposure of native communities to invasive human commensal species along edges. Argentine ants (Linepithema humile) invade a variety of habitats in California with consequent dramatic declines in native a[...]
Article
Kozo Watanabe, Auteur ;
Tatsuo Omura, Auteur
Reservoirs have the potential to block the gene flow of stream macroinvertebrates along a Received 27 February 2006 channel, which takes place via larval drift and adult flight, resulting in genetic differentiation Received in revised form above[...]
Article
George F. Smith, Auteur ;
Susan Iremonger, Auteur ;
Daniel L. Kelly, Auteur ;
Saoirse O'Donoghue, Auteur ;
Fraser J. G. Mitchell, Auteur
Permanent open spaces in plantation forests provide an opportunity for enhancing biodiversity in plantations and in the wider landscape. We surveyed vegetation in 60 glades, rides and roads in 12 Irish plantation forests, and collected data on s[...]
Article
John K. Carlson, Auteur ;
Jason Osborne, Auteur ;
Thomas W. Schmidt, Auteur
The US population of smalltooth sawfish, Pristis pectinata, is currently listed as endangered under the Endangered Species Act. An important component of monitoring the recovery of this species is establishing long-term baseline trends in abunda[...]
