| Titre : | Journal of Field Ornithology 82(1) - MAR 2011 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Elizabeth D. Doxon, Auteur ;
Craig A. Davis, Auteur ;
Samuel D. Fuhlendorf, Auteur
With numerous invertebrate sampling techniques available, deciding which technique to use under certain circumstances may be difficult. Many researchers interested in invertebrate abundance and availability relative to the foraging ecology of bi[...]
Article
Emily B. Graham, Auteur ;
Samuel P. Caro, Auteur ;
Keith W. Sockman, Auteur
The sex ratios of offspring are targets of natural selection that can affect parental energy expenditure and fitness, adult sex ratios, and population dynamics. Parents may manipulate offspring sex ratios based on sex differences in their offspr[...]
Article
Rosalind B. Renfrew, Auteur ;
Sarah J. K. Frey, Auteur ;
Juan Klavins, Auteur
Molt phenology plays an important role in the annual cycles and energetic budgets of migratory birds. The timing and sequence of molt of Nearctic-Neotropical migratory passerines is generally known for species that undergo a complete prebasic mo[...]
Article
David N. Bonter, Auteur ;
Eli S. Bridge, Auteur
Radio frequency identification (RFID) technology allows the unique identification of individuals and automated recording of the presence of tagged birds at fixed locations. Investigators have used RFID technology to examine questions related to [...]
Article
Eli S. Bridge, Auteur ;
David N. Bonter, Auteur
Radio frequency identification (RFID) technology can be used to implement automated bird-monitoring systems and, therefore, could be of use to field ornithologists. However, the cost of a large-scale RFID network can be prohibitive for those wit[...]
Article
Sebastien Rioux, Auteur ;
Diane L. Amirault-Langlais, Auteur ;
François Shaffer, Auteur
An increasing number of studies have revealed that public information influences dispersal decisions in a wide variety of species. However, few empirical studies have explored the effect of environmental predictability on the use of public infor[...]
Article
Thomas J. Benson, Auteur ;
Jeremy D. Brown, Auteur ;
Nicholas M. Anich, Auteur ;
James C. Bednarz, Auteur
Estimating habitat availability at large spatial scales is critical for identifying conservation and management priorities for birds. Given the effects of patch size on habitat selection and productivity of many bird species, large-scale approac[...]
Article
David J. Green, Auteur ;
Katelyn B. Loukes, Auteur ;
Mathew W. Pennell, Auteur ;
Janice Jarvis, Auteur ;
Wendy E. Easton, Auteur
Hydroelectric dam operations that lead to fluctuations in the water levels of reservoirs can influence the amount of riparian habitat available for migrating songbirds and may impact the use and quality of remaining habitat. Our objective was to[...]
Article
Tjisse van der Heide, Auteur ;
Els van der Zee, Auteur ;
Serena Donadi, Auteur ;
Johan S. Eklof, Auteur ;
Britas Klemens Eriksson, Auteur ;
Han Olff, Auteur ;
Theunis Piersma, Auteur ;
Wopke van der Heide, Auteur
Estimating the spatial position of birds in open habitats like intertidal mudflats is important for many studies, for example, detailed density estimates or linking predation pressure to resource availability. To date, several methods have been [...]
Article
Donald E. Lyons, Auteur ;
Daniel D. Roby, Auteur
For seabirds raising young under conditions of limited food availability, reducing chick provisioning and chick growth rates are the primary means available to avoid abandonment of a breeding effort. For most seabirds, however, baseline data cha[...]
Article
Martin R. Perrow, Auteur ;
Eleanor R. Skeate, Auteur ;
James J. Gilroy, Auteur
Defining the at-sea foraging movements of seabirds is fundamental to understanding their ecology and can also be important in assessing the potential impact of marine developments such as offshore wind farms (OWFs). Surveys of predefined areas u[...]
