| Titre : | Biological Conservation 143(11) - NOV 2010 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Christoph F. J. Meyer, Auteur ;
Ludmilla M. S. Aguiar, Auteur ;
Luis F. Aguirre, Auteur ;
Julio Baumgarten, Auteur ;
Frank M. Clarke, Auteur ;
Jean-Francois Cosson, Auteur ;
Sergio Estrada Villegas, Auteur ;
Jakob Fahr, Auteur ;
Deborah Faria, Auteur ;
Neil Furey, Auteur ;
Mickael Henry, Auteur ;
Robert Hodgkison, Auteur ;
Richard K. B. Jenkins, Auteur ;
Kirsten G. Jung, Auteur ;
Tigga Kingston, Auteur ;
Thomas H. Kunz, Auteur ;
M. Cristina MacSwiney G, Auteur ;
Isabel Moya, Auteur ;
Jean-Marc Pons, Auteur ;
Paul A. Racey, Auteur ;
Katja Rex, Auteur ;
Erica M. Sampaio, Auteur ;
Kathryn E. Stoner, Auteur ;
Christian C. Voigt, Auteur ;
Dietrich von Staden, Auteur ;
Christa D. Weise, Auteur ;
Elisabeth K. V. Kalko, Auteur
Bats are ecologically important mammals in tropical ecosystems; however, their populations face numerous environmental threats related to climate change, habitat loss, fragmentation, hunting, and emerging diseases. Thus, there is a pressing need[...]
Article
Paige M. Schmidt, Auteur ;
Robert A. McCleery, Auteur ;
Roel R. Lopez, Auteur ;
Nova J. Silvy, Auteur ;
Jason A. Schmidt, Auteur
The Lower Keys marsh rabbit (LKMR, Sylvilagus palustris hefneri), a marsh rabbit subspecies endemic to the Lower Keys, Florida was protected in 1990, however, populations continue to decline despite recovery efforts. We hypothesized on-going hab[...]
Article
Stefano Larsen, Auteur ;
S. J. Ormerod, Auteur
Changes in catchment land-use and sedimentation have large ecological effects on rivers, but there is limited transferable understanding of the consequences for river conservation. In the Usk river system (Wales. UK), we assessed whether catchme[...]
Article
Johanna P. Pierre, Auteur ;
Edward R. Abraham, Auteur ;
David A. J. Middleton, Auteur ;
John Cleal, Auteur ;
Rebecca Bird, Auteur ;
Nathan A. Walker, Auteur ;
Susan M. Waugh, Auteur
Seabird bycatch in trawl fisheries is driven by the attraction of birds to foraging opportunities, i.e., the discharge of catch processing waste and the contents of trawl nets. The risk of seabird captures increases with seabird abundance and ex[...]
Article
V. Garzon-Machado, Auteur ;
J. M. Gonzalez-Mancebo, Auteur ;
A. Palomares-Martinez, Auteur ;
A. Acevedo-Rodriguez, Auteur ;
J. M. Fernandez-Palacios, Auteur ;
M. Del-Arco-Aguilar, Auteur ;
P. L. Perez-de-Paz, Auteur
We studied the effects of herbivores on populations of four endemic legume species in pine forests in Caldera de Taburiente National Park on La Palma, Canary Islands. Seeds of these species were sown in control and herbivore-exclusion plots. Ove[...]
Article
Abi Tamim Vanak, Auteur ;
Maria Thaker, Auteur ;
Rob Slotow, Auteur
Physical barriers, such as rivers and roads, constrain the movement of animals, usually by preventing access to adjacent habitats and impeding dispersal. Fences are artificial barriers that are commonly used as a conservation tool to intentional[...]
Article
Mattia Brambilla, Auteur ;
Fabio Casale, Auteur ;
Valentina Bergero, Auteur ;
Giuseppe Bogliani, Auteur ;
G. Matteo Crovetto, Auteur ;
Riccardo Falco, Auteur ;
Michaela Roati, Auteur ;
Irene Negri, Auteur
Land-use changes have strong impacts on biological communities. Among them, land abandonment is threatening a large number of conservation-concern species associated with semi-natural habitats shaped by 'traditional' farming. We focused on the r[...]
Article
Miguel Donoso, Auteur ;
Peter H. Dutton, Auteur
Data are presented on sea turtles caught in the Chilean longline fishery targeting swordfish, Xiphias gladius, in international waters off Chile. A total of 10,604,059 hooks from 7976 sets were observed, representing 94% of the total number of h[...]
Article
Francois Chiron, Auteur ;
Ondine Filippi-Codaccioni, Auteur ;
Frédéric Jiguet, Auteur ;
Vincent Devictor, Auteur
Increasing habitats diversity in agricultural landscapes has been proposed as a key measure for reversing the decline of farmland biodiversity in Europe. However, indicators used for assessing such a potential compensation effect usually only re[...]
Article
Andreas Schuldt, Auteur ;
Thorsten Assmann, Auteur
Invertebrates play important roles in ecosystem functioning, but with the decline in biodiversity worldwide, it has become increasingly evident that our knowledge of invertebrate diversity distributions and of how to adequately integrate many in[...]
Article
Claire Delvaux, Auteur ;
Brice Sinsin, Auteur ;
Patrick Van Damme, Auteur
Bark is a greatly coveted non-timber forest product (NTFP). Its overexploitation from medicinal tree species threatens an essential source of medication for rural populations. Despite the relevance of bark, not much information is available on t[...]
Article
Ignacio Siliceo, Auteur ;
Jose A. Diaz, Auteur
Whereas the range size of endangered species is undoubtfuly useful to predict risk of extinction, the role of their life-history characteristics is much less clear, and their effects may depend on the nature of the threatening factors. Such fact[...]
Article
B. Price, Auteur ;
A. S. Kutt, Auteur ;
C. A. McAlpine, Auteur
Tropical savannas are an important reservoir of global biodiversity. Australia's extensive savannas, although still largely intact, are experiencing substantial declines in terrestrial biodiversity due to a variety of interrelated effects of alt[...]
Article
Stuart Connop, Auteur ;
Tom Hill, Auteur ;
Jonathan Steer, Auteur ;
Phil Shaw, Auteur
Bumblebee species declines have been reported in Europe, North America and Asia. Loss of suitable habitat to agricultural intensification is considered to be the main cause of declines in Europe. Differential impacts on species have been recorde[...]
Article
Daniela Keller, Auteur ;
Sabine Brodbeck, Auteur ;
Isabelle Floess, Auteur ;
Gerhard Vonwil, Auteur ;
Rolf Holderegger, Auteur
Leucorrhinia caudalis is a rare dragonfly, threatened throughout its European distribution. The species was formerly widespread in the Swiss lowlands, but only a single population remained in the 1980s. However, a spread has recently been observ[...]
Article
Tonya A. Lander, Auteur ;
David H. Boshier, Auteur ;
Stephen A. Harris, Auteur
Habitat fragmentation is a major threat to species survival worldwide due to genetic isolation, inbreeding depression, genetic drift and loss of adaptive potential. However the data on how gene-flow changes following habitat fragmentation is con[...]
Article
Pedro M. Tognetti, Auteur ;
Enrique J. Chaneton, Auteur ;
Marina Omacini, Auteur ;
Hernan J. Trebino, Auteur ;
Rolando J. C. Leon, Auteur
Exotic plants are major constituents of species pools in modern landscapes. Managing succession for restoration of degraded ecosystems thus requires an understanding of novel trajectories unfolding in mixed, native/exotic plant assemblages. We e[...]
Article
R. A. Stillman, Auteur ;
J. J. Moore, Auteur ;
A. P. Woolmer, Auteur ;
M. D. Murphy, Auteur ;
P. Walkere, Auteur ;
K. R. Vanstaen, Auteur ;
D. Palmer, Auteur ;
W. G. Sanderson, Auteur
We use an individual-based model to assess the conservation objectives for knot Calidris canutus L and oystercatcher Haematopus ostralegus L on the Burry Inlet Special Protection Area (SPA), UK. Population monitoring has identified a decline in [...]
Article
A. M. Cingolani, Auteur ;
M. V. Vaieretti, Auteur ;
D. E. Gurvich, Auteur ;
M. A. Giorgis, Auteur ;
M. Cabido, Auteur
We searched for predictive models for alpha, beta and gamma plant diversity based in easy to measure field indicators. The study was conducted on the upper belt of the Cordoba mountains (Argentina). We established 222 permanent plots of 4 x 4 m [...]
Article
Felix Eigenbrod, Auteur ;
Paul R. Armsworth, Auteur ;
Barbara J. Anderson, Auteur ;
Andreas Heinemeyer, Auteur ;
Simon Gillings, Auteur ;
David B. Roy, Auteur ;
Chris D. Thomas, Auteur ;
Kevin J. Gaston, Auteur
An increasing number of studies are taking the important first step in global efforts to conserve key ecosystem services by mapping their spatial distributions. However, a lack of primary data for most services in most places has largely forced [...]
Article
Jodi M. Neal, Auteur ;
Craig M. Hardner, Auteur ;
C. L. Gross, Auteur
Habitat fragmentation is often associated with reduced levels of fitness and local extinction of plant species, and consequently poses a major threat to the persistence of species worldwide. The majority of demography-based fragmentation studies[...]
Article
João Paulo Silva, Auteur ;
Jorge M. Palmeirim, Auteur ;
Francisco Moreira, Auteur
Previous studies have found that densities of little bustard Tetrax tetrax breeding males tend to be higher in areas with smaller agricultural fields, presumably due to increased habitat diversity. However, exceptionally high densities have been[...]
Article
Santiago L. Poggio, Auteur ;
Enrique J. Chaneton, Auteur ;
Claudio M. Ghersa, Auteur
Agro-ecosystems still retain part of the original biodiversity, although agricultural intensification threatens to eliminate refuge patches from farmland mosaics. Landscape complexity resulting from networks of uncultivated corridors associated [...]
Article
T. I. Imlay, Auteur ;
J. F. Crowley, Auteur ;
A. M. Argue, Auteur ;
J. C. Steiner, Auteur ;
D. R. Norris, Auteur ;
B. J. M. Stutchbury, Auteur
Avian captive breeding programs pose a particular challenge with migratory birds due to natal dispersal and high mortality during migration. In Canada a captive breeding program for the eastern loggerhead shrike (Lanius ludovicianus migrans) has[...]
Article
Philip P. Molloy, Auteur ;
Jonathan A. Anticamara, Auteur ;
Janna L. Rist, Auteur ;
Amanda C. J. Vincent, Auteur
Many conservation projects have to develop practical and feasible ways to detect changes in populations. We compare the ecological information obtained using intensive monitoring of coral-reef fish populations with that which would be procured f[...]
Article
Cristian Ioan Ioja, Auteur ;
Maria Patroescu, Auteur ;
Laurentiu Rozylowicz, Auteur ;
Viorel D. Popescu, Auteur ;
Mircea Verghelet, Auteur ;
Mihai Iancu Zotta, Auteur ;
Mihaela Felciuc, Auteur
Romania's protected areas network currently covers 19.29% of the national territory, a significant increase from the 4.1% protected prior to 1989. The increase occurred over the past 20 years with the creation of 27 National and Natural Parks, a[...]
Article
Joerg Mueller, Auteur ;
Reed F. Noss, Auteur ;
Heinz Bussler, Auteur ;
Roland Brandl, Auteur
Increasing demands for firewood owing to rising energy costs have accelerated discussions about the amount of dead wood needed for conservation. A sharp increase in dead wood caused by bark beetles in a German national park provides lessons for [...]
Article
Robert J. Smith, Auteur ;
Enrico Di Minin, Auteur ;
Simon Linke, Auteur ;
Daniel B. Segan, Auteur ;
Hugh P. Possingham, Auteur
One of the most efficient approaches for designing protected area (PA) networks is to use systematic conservation planning software. A number of software packages are available and all of them include a spatial cost or constraint component in th[...]
Article
Lesley Gibson, Auteur ;
Asha McNeill, Auteur ;
Paul de Tores, Auteur ;
Adrian Wayne, Auteur ;
Colin Yates, Auteur
Range-restricted species, such as regional endemics, possess traits that may make them particularly vulnerable to environmental change. The quokka, Setonix brachyurus, is a small macropod, endemic to southwestern Australia and two adjacent islan[...]
Article
Kristina L. Cockle, Auteur ;
Kathy Martin, Auteur ;
Mark C. Drever, Auteur
Tree cavities are proposed to limit populations and structure communities of cavity-nesting birds. Although the greatest diversity of cavity-nesting birds is found in tropical and subtropical moist forests, little is known about how tropical log[...]
Article
Elizabeth M. Glenn, Auteur ;
Robert G. Anthony, Auteur ;
Eric D. Forsman, Auteur
We used reverse time capture-mark-recapture models to describe associations between rate of population change (lambda) and climate for northern spotted owls (Strix occidentalis caurina) at six long-term study areas in Washington and Oregon, USA.[...]
Article
Shaun R. Levick, Auteur ;
Gregory P. Asner, Auteur ;
Ty Kennedy-Bowdoin, Auteur ;
David E. Knapp, Auteur
Termite mounds form islands of fertility in savanna landscapes and create foraging hotspots for herbivores, but the magnitude and spatial extent of these influences is unknown. We mapped terrain, termite mound and woody vegetation three-dimensio[...]
Article
Geraldine Lassalle, Auteur ;
Philippe Crouzet, Auteur ;
Joern Gessner, Auteur ;
Eric Rochard, Auteur
Due to anthropogenic actions, species have become endangered or have been driven to the verge of extinction, requiring conservation plans to be developed and implemented. These plans include measures to protect and enhance remaining populations [...]
Article
Sarah Groc, Auteur ;
Jacques H. C. Delabie, Auteur ;
John T. Longino, Auteur ;
Jerome Drivel, Auteur ;
Jonathan D. Majer, Auteur ;
Heraldo L. Vasconcelos, Auteur ;
Alain Dejean, Auteur
Insects, particularly ants, are good bioindicators of the state of ecosystems. Nevertheless, incorporating them into conservation surveys is expensive due to problems associated with their identification, which is exacerbated by the fact that th[...]
Article
Dennis L. Murray, Auteur ;
Douglas W. Smith, Auteur ;
Edward E. Bangs, Auteur ;
Curtis Mack, Auteur ;
John K. Oakleaf, Auteur ;
Joe Fontaine, Auteur ;
Diane Boyd, Auteur ;
Michael Jiminez, Auteur ;
Carter Niemeyer, Auteur ;
Thomas J. Meier, Auteur ;
Daniel Stahler, Auteur ;
James Holyan, Auteur ;
Valpha J. Asher, Auteur
There is substantial interest in how mortality rates affect animal populations, but mechanisms explaining when and under what circumstances particular causes of death incur demographic responses are far from clear. In theory, small or expanding [...]
Article
Alejandro A. Royo, Auteur ;
Susan L. Stout, Auteur ;
David S. deCalesta, Auteur ;
Timothy G. Pierson, Auteur
White-tailed deer (Odocoileus virginianus) overbrowsing has altered plant species diversity throughout deciduous forest understories in eastern North America. Here we report on a landscape-level (306 km(2)) project in Pennsylvania, USA that trac[...]
Article
Valeriano Parravicini, Auteur ;
Simon F. Thrush, Auteur ;
Mariachiara Chiantore, Auteur ;
Carla Morri, Auteur ;
Camilla Croci, Auteur ;
Carlo Nike Bianchi, Auteur
Two major concerns affect the way we perceive impacts: first, no ecosystem can still be considered pristine and second, stressors may interact. Untangling the effects of broad-scale anthropogenic stressors is complicated as appropriate unimpacte[...]
Article
Marita A. Davison, Auteur ;
John W. Fitzpatrick, Auteur
Habitat specialists are especially vulnerable to habitat alterations in vegetation structure and composition, making them difficult to protect and restore amidst agricultural landscapes. Protection strategies in such cases require information on[...]
Article
Aparna Lal, Auteur ;
Rohan Arthur, Auteur ;
Nuria Marba, Auteur ;
Adrian W. T. Lill, Auteur ;
Teresa Alcoverro, Auteur
Ecosystem modifiers have the ability to significantly alter the ecosystem they inhabit sometimes with serious consequences for their own populations. We evaluated the ability of green turtles (Chelonia mydas) to modify seagrass ecosystems by the[...]
Article
M. Zachariah Peery, Auteur ;
R. William Henry, Auteur
The expansion of human activities into rural areas and natural landscapes has resulted in widespread increases in the abundance of synanthropic species that threaten rarer native species. Quantitative assessments of how much impacts need to be r[...]
Article
Emma G. E. Brooks, Auteur ;
Scott I. Roberton, Auteur ;
Diana J. Bell, Auteur
Commercial farming of wildlife, particularly in Southeast Asia, is currently the subject of much debate and to date, its conservation impact has been largely unexplored. This study used semi-structured interviews to build a detailed understandin[...]
Article
Leyla Knittweis, Auteur ;
Matthias Wolff, Auteur
The poorly regulated aquarium trade in live corals poses yet another threat to fragile coral reef ecosystems. The Indonesian authorities routinely allocate some of the highest trade quotas in South Sulawesi to Heliofungia actiniformis despite a [...]
Article
S. D. Allen, Auteur ;
Y. Fathi, Auteur ;
K. Gross, Auteur ;
M. Mace, Auteur
As species extinction rates continue to rise, zoos have adopted a more active role in the conservation of endangered species. A central concern is to preserve genetic diversity of zoological populations. Accordingly, when selecting individuals t[...]
Article
Jeffrey A. Hostetler, Auteur ;
David P. Onorato, Auteur ;
James D. Nichols, Auteur ;
Warren E. Johnson, Auteur ;
Melody E. Roelke, Auteur ;
Stephen J. O'Brien, Auteur ;
Deborah Jansen, Auteur ;
Madan K. Oli, Auteur
Estimates of survival for the young of a species are critical for population models. These models can often be improved by determining the effects of management actions and population abundance on this demographic parameter. We used multiple sou[...]
Article
Liza R. Moscovice, Auteur ;
Frank Mbago, Auteur ;
Charles T. Snowdon, Auteur ;
Michael A. Huffman, Auteur
This study examines the behavioral ecology of a chimpanzee population on Rubondo Island in Lake Victoria, Tanzania. over 40 years after chimpanzees were first introduced to the island from captivity. Despite little pre-release habitat assessment[...]
Article
Genevieve Faille, Auteur ;
Christian Dussault, Auteur ;
Jean-Pierre Ouellet, Auteur ;
Daniel Fortin, Auteur ;
Rehaurne Courtois, Auteur ;
Martin-Hugues St-Laurent, Auteur ;
Claude Dussault, Auteur
Conservation of forest-dwelling caribou (Rangifer tarandus caribou) is of great concern across most of its range. Anthropogenic disturbances, primarily logging activities, have been identified as the most important cause of caribou decline, alth[...]
Article
Gael Briant, Auteur ;
Valery Gond, Auteur ;
Susan G. W. Laurance, Auteur
Across the deforestation frontier in eastern Amazonia, we examined the relationship between edge-related forest desiccation and deforestation patterns using remote-sensing techniques. Canopy-moisture levels were estimated over an eight-year peri[...]
Article
G. R. Martin, Auteur ;
J. M. Shaw, Auteur
Visual fields were determined in three bird species representative of families known to be subject to high levels of mortality associated with power lines; kori bustards Ardeotis kori, Otididae, blue cranes Anthropoides paradisea, Gruidae and wh[...]
Article
Sarah Noel, Auteur ;
Francois-Joseph Lapointe, Auteur
Urbanization is a global process that negatively affects ecosystems in various ways. It is namely an important cause of habitat loss, and animal species inhabiting cities often exhibit highly fragmented populations. Those populations may be pron[...]
Article
Sabrina Kumschick, Auteur ;
Wolfgang Nentwig, Auteur
Invasive alien species cause considerable economic and environmental damage. Nevertheless which species should be targeted first and exact control strategies are controversial matters. As no categorization of the impact of alien bird species is [...]
Article
A. Lomba, Auteur ;
L. Pellissier, Auteur ;
C. Randin, Auteur ;
J. Vicente, Auteur ;
F. Moreira, Auteur ;
J. Honrado, Auteur ;
A. Guisan, Auteur
Rare species have restricted geographic ranges, habitat specialization, and/or small population sizes. Datasets on rare species distribution usually have few observations, limited spatial accuracy and lack of valid absences; conversely they prov[...]
