The Journal of animal ecology.
Publisher:
British Ecological Society.. Oxford : Blackwell
Frequency: Six no. a year, 1995-
Country: England
Language: English
Author(s):
British Ecological Society.
Start Year:1932 -
ISSN:
0021-8790 (Print)
1365-2656 (Electronic)
0021-8790 (Linking)
1365-2656 (Electronic)
0021-8790 (Linking)
Impact Factor
4.8
2023
| NLM ID: | 0376574 |
| (DNLM): | J12540000(s) |
| (OCoLC): | 01800268 |
| Coden: | JAECAP |
| LCCN: | agr35000273 |
| Classification: | W1 JO536E |
Causes and consequences of an unusually male-biased adult sex ratio in an unmanaged feral horse population. The adult sex ratio (ASR) is important within ecology due to its predicted effects on behaviour, demography and evolution, but research examining the causes and consequences of ASR bias have lagged behind the studies of sex ratios at earlier life stages. Although ungulate ASR is relatively well-studied, exceptions to the usual female-biased ASR challenge our understanding of the underlying drivers of biased ASR and provide an opportunity to better understand its consequences. Some feral ungulate populations, including multiple horse populations, exhibit unusually male-biased ASR. For example, ...
Increasing density leads to generalization in both coarse-grained habitat selection and fine-grained resource selection in a large mammal. Density is a fundamental driver of many ecological processes including habitat selection. Theory on density-dependent habitat selection predicts that animals should be distributed relative to profitability of habitat, resulting in reduced specialization in selection (i.e. generalization) as density increases and competition intensifies. Despite mounting empirical support for density-dependent habitat selection using isodars to describe coarse-grained (interhabitat) animal movements, we know little of how density affects fine-grained resource selection of animals within habitats [e.g. using res...