| Titre : | Journal of Animal Ecology 73(4) - JUL 2004 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Y. X. Zhang, Auteur ;
J. S. Richardson, Auteur ;
J. N. Negishi, Auteur
1. Interference between species from different functional groups may influence ecosystem functioning and biological diversity. This study tested whether interactions between predacious cutthroat trout and an omnivorous signal crayfish modified t[...]
Article
M. G. Forero, Auteur ;
G. R. Bortolotti, Auteur ;
K. A. Hobson, Auteur ;
J. A. Donazar, Auteur ;
M. Bertelloti, Auteur ;
G. Blanco, Auteur
1. Food web interactions in animal communities can be investigated through the measurement of stable isotopes (e.g. delta(15)N, delta(13)C). We used this approach in a community of 14 species of seabirds breeding on the Argentinean Patagonian co[...]
Article
A. M. deBruyn, Auteur ;
K. S. McCann, Auteur ;
J. B. Rasmussen, Auteur
1. We studied the response of the St Lawrence River food web to enrichment by primary-treated sewage from the city of Montreal, Canada. 2. Despite the richness and complexity of this food web, the openness of the system and the limited productio[...]
Article
J. M. Reid, Auteur ;
E. M. Bignal, Auteur ;
S. Bignal, Auteur ;
D. I. McCracken, Auteur ;
P. Monaghan, Auteur
1. Identifying which age-specific demographic rates underlie variation in a population's growth rate (lambda) is an important step towards understanding the population's dynamics. Using data from a 20-year study of marked individuals, we describ[...]
Article
E. Cam, Auteur ;
D. Oro, Auteur ;
R. Pradel, Auteur ;
J. Jimenez, Auteur
1. Dispersal contributes to spatio-temporal variation in population size and is a key process in studies of life history evolution and studies with conservation implications. However, dispersal is still one of the major gaps in our knowledge of [...]
Article
S. Markman, Auteur ;
B. Pinshow, Auteur ;
J. Wright, Auteur ;
B. P. Kotler, Auteur
1. Despite its importance in the evolution of central-place foraging strategies, few studies have distinguished between patch use by parent birds for their own consumption vs. patch use for the purpose of provisioning young in the nest. 2. Adult[...]
Article
P. A. Tedesco, Auteur ;
B. Hugueny, Auteur ;
D. Paugy, Auteur ;
Y. Fermon, Auteur
1. Synchronous fluctuations of the abundance of several populations at a regional scale can be a sign of a climatic effect on their dynamics (Moran effect). However, the interpretation of spatial synchrony is often complicated by the interaction[...]
Article
H. J. Wearing, Auteur ;
S. M. Sait, Auteur ;
T. C. Cameron, Auteur ;
P. Rohani, Auteur
1. Cyclic dynamics of various periods are pervasive in many insect populations where interactions with natural enemies are known to be important. How stage-structured processes within the host population, such as competition and cannibalism, aff[...]
Article
R. A. Robinson, Auteur ;
R. E. Green, Auteur ;
S. R. Baillie, Auteur ;
W. J. Peach, Auteur ;
D. L. Thomson, Auteur
1. In Britain, the song thrush Turdus philomelos is categorized as a species of high national conservation concern because of a large population decline during the last three decades. We calculated a series of annual national population estimate[...]
