| Titre : | Journal of Animal Ecology 81(2) - MAR 2012 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Oliver Krueger, Auteur ;
Nayden Chakarov, Auteur ;
Jan T. Nielsen, Auteur ;
Volkher Looft, Auteur ;
Thomas Gruenkorn, Auteur ;
Bernd Struwe-Juhl, Auteur ;
Anders P. Moller, Auteur
1. The habitat heterogeneity (HHH) and individual adjustment (IAH) hypotheses are commonly proposed to explain a decrease in reproduction rate with increasing population density. Higher numbers of low-quality territories with low reproductive su[...]
Article
Tsuyuko Yamanaka, Auteur ;
Piran C. L. White, Auteur ;
Matthew Spencer, Auteur ;
Dave Raffaelli, Auteur
1. The nature of abundancebody size relationships in animal communities, and especially the drivers behind the observed patterns, have been a focus of persistent debate in animal ecology. In a recent review, Allen (2006) categorized five mechani[...]
Article
Bard-Jorgen Bardsen, Auteur ;
Torkild Tveraa, Auteur
1. Recent studies have shown that optimal reproductive allocation depends on both climatic conditions and population density. We tested this hypothesis using six years of demographic data from eight reindeer (Rangifer tarandus) populations coupl[...]
Article
Eric Wajnberg, Auteur
1. Animals foraging for resources are under a variety of selective pressures, and separate optimality models have been developed predicting the optimal reproductive strategies they should adopt. 2. In most cases, the proximate behavioural mechan[...]
Article
Richard D. Stevens, Auteur ;
Maria M. Gavilanez, Auteur ;
Juan S. Tello, Auteur ;
David A. Ray, Auteur
1. Diversity begets diversity. Numerous published positive correlations between environmental heterogeneity and species diversity indicate ubiquity of this phenomenon. Nonetheless, most assessments of this relationship are phenomenological and p[...]
Article
Leonard Santisteban, Auteur ;
Craig W. Benkman, Auteur ;
Trevor Fetz, Auteur ;
Julie W. Smith, Auteur
1. A large number of migratory bird species appear to be declining as the result of climate change, but whether resident bird species have or will be adversely affected by climate change is less clear. We focus on the South Hills crossbill (Loxi[...]
Article
Joshua B. Grinath, Auteur ;
Brian D. Inouye, Auteur ;
Nora Underwood, Auteur ;
Ian Billick, Auteur
1. In ecological webs, net indirect interactions between species are composed of interactions that vary in sign and magnitude. Most studies have focused on negative component interactions (e.g. predation, herbivory) without considering the relat[...]
Article
Vincenzo Gervasi, Auteur ;
Erlend B. Nilsen, Auteur ;
Hakan Sand, Auteur ;
Manuela Panzacchi, Auteur ;
Geir R. Rauset, Auteur ;
Hans C. Pedersen, Auteur ;
Jonas Kindberg, Auteur ;
Petter Wabakken, Auteur ;
Barbara Zimmermann, Auteur ;
John Odden, Auteur ;
Olof Liberg, Auteur ;
Jon E. Swenson, Auteur ;
John D. C. Linnell, Auteur
1. Understanding the role of predation in shaping the dynamics of animal communities is a fundamental issue in ecological research. Nevertheless, the complex nature of predatorprey interactions often prevents researchers from modelling them expl[...]
Article
Joanna Wiszniewski, Auteur ;
Shannon Corrigan, Auteur ;
Luciano B. Beheregaray, Auteur ;
Luciana M. Moeller, Auteur
1. Determining the extent of variation in male mating strategies and reproductive success is necessary to understand the fitness benefits of social and cooperative behaviour. 2. This study assesses the reproductive success of male Indo-Pacific b[...]
