Influence of habitat characteristics on winter social organisation in field roe deer

Cibien, Catherine; Bideau, Éric; Boisaubert, B.; Maublanc, Marie‐Line

doi:10.4098/at.arch.89-23

Cited by 26 publications

(26 citation statements)

References 16 publications

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“…In open areas, the formation of groups seems to improve survival (Jarman 1974). In roe deer, grouping has been directly related to habitat openness (Bresinski 1982, Maublanc et al 1987, Cibien et al 1989, thus matching Jarman's (1974) scheme.…”

Section: Discussionmentioning

confidence: 64%

“…It has been suggested that grouping in roe deer Capreolus capreolus (Linnaeus, 1758), a solitary living and forest dwelling species (Dziçciolowski 1979, Putman 1988, Ratcliffe and Mayle 1992), may be a direct consequence of population density (Bideau et al 1985, Vincent andBideau 1992), habitat openness (Kurt 1968, Maublanc et al 1987), food availability (Zejda 1978, Maublanc et al 1987 or habitat patchiness (Cibien et al 1989).…”

Section: Introductionmentioning

confidence: 99%

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Grouping in roe deer: an effect of habitat openness or cover distribution?

José¹,

Lovari²,

Ferrari³

1997

Acta Theriol.

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Section: Discussionmentioning

confidence: 64%

Section: Introductionmentioning

confidence: 99%

Grouping in roe deer: an effect of habitat openness or cover distribution?

José¹,

Lovari²,

Ferrari³

1997

Acta Theriol.

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“…This makes the search for a simple neural correlate of social complexity illusory and calls for more studies on the affective factors influencing animal behaviour. Consider, for example, that in some regions roe deer Capreolus capreolus are territorial in the summer and gregarious in the winter (Cibien et al 1989). Roe deer did not adopt this strategy after a statistical analysis of the pros and cons of living in groups during the cold season, but most likely through selection on the mentality factors underlying this pattern; that make them tolerating other individuals and even looking for their presence during colder periods.…”

Section: B More On Mentalitymentioning

confidence: 99%

Conceptual and methodological issues in comparative neuroscience and psychology: a reassessment

Willemet¹

2015

Preprint

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By analysing species differences in brain and behaviour, comparative neuroscience & psychology can help to understand the nature and mechanisms of behaviour. The task is enormously complex due to the number of dimensions onto which species can differ. In addition, it is shown here that the approaches, methods and concepts used in these fields contain numerous issues. Many of these issues result from the persistence of misconceptions on the evolution of brain and behaviour; despite increasing evidence that more complex approaches and concepts should be considered. Most of the issues discussed here have been presented in a previous publication (Willemet, 2013(Willemet, , doi: 10.3389/fpsyg.2013.00396) but have not been addressed by recent literature. They are restated here in detail, using as a reference a recent paper resulting from the cooperative work of many researchers in the field (Maclean et al. 2014, doi: 10.1073/pnas.1323533111). The factors responsible for the evolution of brain structure size are reviewed, with particular emphasis on the adjustment effect recently introduced (Willemet, 2015(Willemet, , doi: 10.3389/fnana.2015. The traditional interpretation of the concept of allometry is critically evaluated, and an alternative is discussed. It is also argued that the lack of consideration towards emotional, motivational and attentional factors constitutes a major obstacle to understanding the evolution of behaviour. A dataset on the neuroecology of repertoire size in songbirds is analyzed using the framework discussed here. It is concluded that until the issues detailed here are addressed, progress in our understanding of the evolution of brain and behaviour will be undermined.

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“…Furthermore, this species exhibits less well-developed sexual weaponry and smaller testes relative to red deer and other polygynous cervids (Hewison & Gaillard 1996). It has been put forward that roe deer become polygynous at high population densities (Cibien et al 1989;Bideau et al 1993;Wahlström & Liberg 1995b). Liberg et al (1998) postulated that male roe deer are only able to reproduce when they obtain a territory, since practically all matings take place on territories.…”

Section: Trivers-willard: the Species Is Polygynousmentioning

confidence: 99%

Existing theories do not explain sex ratio variation at birth in monomorphic roe deer (Capreolus capreolus)

Vreugdenhil

Breukelen²,

Wieren

2007

Integrative Zoology

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The phenomenon of skewed sex ratios at birth has been reported in many ungulate species. So far, no consistent trend has emerged for roe deer (Capreolus capreolus), because male-biased, female-biased and equal sex ratios at birth have all been found. Nevertheless, both the Trivers-Willard hypothesis and the theory of local resource competition have gained support. Despite the great number of studies carried out regarding the ecology of roe deer, too many aspects remain unclear, and contradictory results have been produced with respect to several crucial elements. Without further research, the discussion on which theory applies will therefore remain inconclusive. We put forward the argument that eventually the theories of Trivers-Willard and local resource competition can be considered as being not essentially different. After all, both theories explain the observed skewed sex ratios as being due to the effect of the progeny s sex on the mother s body condition and hence her reproductive success in subsequent years. Furthermore, neither theory is likely to prove to be suitable for roe deer, as several assumptions are unlikely to be met. In roe deer, skewed ratios probably only have a temporal character. As a matter of fact, several observations of skewed sex ratios in birds and mammals did not withstand the accumulation of further data, as sex ratios that were initially believed to be biased turned out to be equal in the long term. This is likely to be the case in roe deer as well. We hypothesize that roe deer, as r-strategists, will produce as many offspring as possible, regardless of sex.

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Influence of habitat characteristics on winter social organisation in field roe deer

Cited by 26 publications

References 16 publications

Grouping in roe deer: an effect of habitat openness or cover distribution?

Grouping in roe deer: an effect of habitat openness or cover distribution?

Conceptual and methodological issues in comparative neuroscience and psychology: a reassessment

Existing theories do not explain sex ratio variation at birth in monomorphic roe deer (Capreolus capreolus)

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