| Titre : | Biological Conservation 141(2) - FEB 2008 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Rebecca L. Boulton, Auteur ;
Yvan Richard, Auteur ;
Doug P. Armstrong, Auteur
The decline of avian populations in fragmented landscapes is often attributed to a decrease in nest survival rates for species breeding within these habitats. We tested whether fragment size and connectivity, livestock grazing, predator density [...]
Article
Sarah K. Huber, Auteur
Invasive species have the potential to detrimentally affect native ecosystems by out competing or directly preying upon native organisms, and have been implicated in the extinction of endemic populations. one potentially devastating introduced s[...]
Article
Corinne H. Watts, Auteur ;
Beverley R. Clarkson, Auteur ;
Raphael K. Didham, Auteur
The rate of recovery of invertebrate communities following habitat restoration has received little attention, despite the importance of invertebrates in ecosystem dynamics. in experimental trials in a mined peat bog in New Zealand, we compared t[...]
Article
A problem of the rich: Prioritizing local plant genetic resources for ex situ conservation in Israel
Oz Barazani, Auteur ;
Avi Perevolotsky, Auteur ;
Rivka Hadas, Auteur
A priority list of 323 plant species was created through a consultative process for ex situ conservation in the recently inaugurated Israel Plant Gene Bank (IGB). The IGB is set up to preserve plant genetic resources and the endangered genetic v[...]
Article
Shaun Levick, Auteur ;
Kevin Rogers, Auteur
The impact of browsers on the structure of woody vegetation has been well documented in savanna landscapes but the spatial distribution of these impacts is poorly understood. Savannas are structurally heterogeneous and the effects of browsers ar[...]
Article
Glynnis A. Hood, Auteur ;
Suzanne E. Bayley, Auteur
Shallow open water wetlands provide critical habitat for numerous species, yet they have become increasingly vulnerable to drought and warming temperatures and are often reduced in size and depth or disappear during drought. We examined how temp[...]
Article
Emilie-Jane Ens, Auteur ;
Kristine French, Auteur
The demographic response of indigenous plants to the invasion of exotic woody plants has rarely been quantified, however, could be beneficial to restoration efforts. We determined which life history stages of three indigenous plants: Correa alba[...]
Article
J. A. Bissonette, Auteur ;
William Adair, Auteur
Globally, human activities impact from one-third to one-half of the earth's land surface; a major component of development involves the construction of roads. In the US and Europe, road networks fragment normal animal movement patterns, reduce l[...]
Article
Adam Felton, Auteur ;
Jeff Wood, Auteur ;
Annika M. Felton, Auteur ;
Bennett Hennessey, Auteur ;
Dauid B. Lindenmayer, Auteur
We studied bird community composition and abundance within the logged and unlogged forest areas of a certified forestry concession in lowland Bolivia. The logged forest was harvested using reduced-impact logging techniques between one and four y[...]
Article
Joan Lubben, Auteur ;
Brigitte Tenhumberg, Auteur ;
Andrew Tyre, Auteur ;
Richard Rebarber, Auteur
Matrix population models are a common tool for evaluating different management strategies. In general, under deterministic analyses, management strategies are recommended that improve those matrix transitions that are most sensitive or elastic w[...]
Article
Clelia Sirami, Auteur ;
Lluis Brotons, Auteur ;
Ian Burfield, Auteur ;
Jocelyn Fonderflick, Auteur ;
Jean-Louis Martin, Auteur
Teasing out how species respond to human-induced environmental changes has become a priority for addressing the challenges posed by the need to conserve biodiversity Although land abandonment is widespread, the threat it can represent to biodive[...]
Article
Liba Pejchar, Auteur ;
Robert M. Pringle, Auteur ;
Jai Ranganathan, Auteur ;
James R. Zook, Auteur ;
Guillermo Duran, Auteur ;
Federico Oviedo, Auteur ;
Gretchen C. Daily, Auteur
Birds play vital roles as seed dispersers helping to maintain and restore plant communities. With restoration increasingly key to global conservation, it is important to understand the landscape attributes and bird community characteristics that[...]
Article
Pablo Vergara, Auteur ;
Juan A. Fargallo, Auteur ;
Eva Banda, Auteur ;
Deseada Parejo, Auteur ;
Jesus A. Lemsus, Auteur ;
Marino Garcia-Montijano, Auteur
Lesser kestrel Falco naumanni and Eurasian kestrel Falco tinnunculus are two small raptor species commonly breeding in open agro-pastoral systems that have suffered a dramatic decline in their populations during the past few decades due to chang[...]
Article
Cristina Linares, Auteur ;
Rafel Coma, Auteur ;
Mikel Zabala, Auteur
The increasing disturbances affecting marine communities highlight the need to examine restoration measures that can be added to other conservation efforts for threatened populations. The main goal of this study was to examine the usefulness of [...]
Article
Heather Lynn Hinam, Auteur ;
Colleen Cassady St Clair, Auteur
Studies of the effects of habitat fragmentation have been heavily biased toward population and community questions, with less attention on the effects of habitat loss and fragmentation on individual behaviour and reproduction. We studied the eff[...]
Article
Julie R. Stiver, Auteur ;
Anthony D. Apa, Auteur ;
Thomas E. Remington, Auteur ;
Robert M. Gibson, Auteur
Populations with small effective sizes are at risk for inbreeding depression and loss of adaptive potential. Variance in reproductive success is one of several factors reducing effective population size (N(e)) below the actual population size (N[...]
Article
Maj Rundloef, Auteur ;
Helena Nilsson, Auteur ;
Henrik G. Smith, Auteur
Organic farming has been suggested to counteract declines in farmland biodiversity, but comparisons to conventional farming have produced variable outcomes. To examine whether this is due to the landscape context farms are situated in and traits[...]
Article
Suresh A. Sethi, Auteur ;
Ray Hilborn, Auteur
To explore the effects of poaching within marine reserve boundaries under three different management policies this analysis uses a simple age-structured reserve model based on yield maximization or reproductive thresholds of Black rockfish (Seba[...]
Article
Don A. Driscoll, Auteur ;
Meredith K. Henderson, Auteur
Species with strong preferences for early or late successional stages after fire may be extinction prone under current fire regimes. However, the extent of specialisation to time since fire is poorly understood, and, for reptiles, succession mod[...]
Article
Mia Ronka, Auteur ;
Harri Tolvanen, Auteur ;
Esa Lehikoinen, Auteur ;
Mikael von Numers, Auteur ;
Mauri Rautkari, Auteur
Knowledge about the importance of physical habitat characteristics to the breeding site selection of birds is a prerequisite for understanding their breeding habitat ecology and distribution, as well as managing their habitats. Geographical info[...]
Article
Bronwyn Rayfield, Auteur ;
Patrick M. A. James, Auteur ;
Andrew Fall, Auteur ;
Marie-Josee Fortin, Auteur
Conservation planning is often based on static mapping of species' ranges orhabitat distributions. Succession and disturbance alter, however, habitat quality and quantity through time especially under global climate and land use change scenarios[...]
Article
Asanchia Harewood, Auteur ;
Julia Horrocks, Auteur
The impacts of coastal development on survival and swimming success were investigated for hatchling hawksbill turtles (Eretmochelys imbricata) swimming away from artificially lighted and dark nesting beaches in Barbados. The overall predation ra[...]
Article
Armando Aguirre, Auteur ;
Rodolfo Dirzo, Auteur
Tropical forest fragmentation affects both biodiversity and plant reproductive success when small, isolated fragments sustain a reduced diversity or abundance of pollinators. Fragmentation-related effects have been poorly investigated in the cas[...]
Article
Scott Bearer, Auteur ;
Marc Linderman, Auteur ;
Jinyan Huang, Auteur ;
Li An, Auteur ;
Guangming He, Auteur ;
Jianquo Liu, Auteur
Timber harvesting and fuelwood collection have dramatically reduced the total amount of forestland around the world, including in China. To understand how timber harvesting and fuelwood collection activities affect use by wildlife, we examined g[...]
Article
Elena Valkama, Auteur ;
Sami Lyytinen, Auteur ;
Julia Koricheva, Auteur
We reviewed European studies on the effect of reed management (harvesting, burning, mowing and grazing) on reedbed wildlife, and in addition, on the performance of re-growing reed (Phraymites australis). Our database consisted of 21 studies cond[...]
Article
Ken Wallace, Auteur
Article
Kristen R. Jule, Auteur ;
Lisa A. Leaver, Auteur ;
Stephen E. G. Lea, Auteur
This review focuses on the success and survivorship of captive-born versus wild-caught carnivores used in reintroductions. Previous reviews have suggested that reintroduction projects using captive-born animals are less likely to be successful t[...]
