Dung properties and defacation characteristics in some Scottish herbivores, with an evaluation of the dung-volume method of assessing occupance

Welch, D.

doi:10.4098/at.arch.82-19

Cited by 25 publications

(13 citation statements)

References 31 publications

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“…To produce the yearly totals of herbivore occupancy (Fig. 2), totals for the five types were added, the volume for cattle being first divided by 1.8 to allow for its low dry-matter content (Welch, 1982).…”

Section: Methodsmentioning

confidence: 99%

The floristic changes of Scottish moorland dominated by heather (Calluna vulgaris, Ericaceae) but unburnt for 50 years and kept checked by moderate grazing

Welch

2016

New Journal of Botany

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Section: Methodsmentioning

confidence: 99%

The floristic changes of Scottish moorland dominated by heather (Calluna vulgaris, Ericaceae) but unburnt for 50 years and kept checked by moderate grazing

Welch

2016

New Journal of Botany

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“…The relative use of these random sites was determined by monitoring fresh dung droppings: a 10 m 2 patch was marked with wooden pegs and cleared of dung at each site; each patch was searched once a week for 10 weeks, and each new deer dung dropping was noted and removed. This method gave an indication of the relative use of deer of a site (Welch, 1982). However, it was not possible to distinguish between male and female use in this way.…”

Section: Male and Female Sitesmentioning

confidence: 99%

Could the indirect competition hypothesis explain inter‐sexual site segregation in red deer (Cervus elaphus L.)?

Conradt

Gordon²,

Clutton‐Brock

et al. 2001

Journal of Zoology

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Inter-sexual segregation between habitats or between sites within a habitat is very widespread in sexually dimorphic ungulates. As an explanation, it has been suggested that males, because of their larger forage requirements, are driven from preferred, high quality forage habitats into marginal habitats of lower forage quality but higher forage biomass by female competition (`indirect competition hypothesis'). However, this hypothesis has hardly been tested. In the present study, we tested the indirect competition hypothesis for site segregation of red deer on the Isle of Rum, Scotland, within two vegetation communities: short Agrostis /Festuca grassland and Calluna heath. We predicted that: (1) males should choose sites within each vegetation community that are of higher forage biomass but lower forage quality, than sites selected by females; (2) the degree of inter-sexual site segregation should be highest within the vegetation community in which indirect competition was most intense. We found that the sexes were signi®cantly segregated between sites within both vegetation communities, but males did not use sites of lower forage quality or of higher forage biomass than did females. Moreover, degree of site segregation was not signi®cantly higher in the vegetation community in which competition was more intense (i.e. short Agrostis /Festuca grassland). We conclude that the indirect competition hypothesis cannot explain site segregation in red deer on the Isle of Rum.

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“…Defecation rates (pellet groups per day): red deer summer 28.9 ('digestible forage'), winter 18.8(Mitchell and McCowan, 1984); roe deer summer 20.6, winter 17.3(Mitchell et al, 1985); sheep 17.0(Welch, 1982).…”

mentioning

confidence: 99%

Regeneration failure in Atlantic oakwoods: the roles of ungulate grazing and invertebrates

Palmer

Mitchell

Truscott

et al. 2004

Forest Ecology and Management

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Dung properties and defacation characteristics in some Scottish herbivores, with an evaluation of the dung-volume method of assessing occupance

Cited by 25 publications

References 31 publications

The floristic changes of Scottish moorland dominated by heather (Calluna vulgaris, Ericaceae) but unburnt for 50 years and kept checked by moderate grazing

The floristic changes of Scottish moorland dominated by heather (Calluna vulgaris, Ericaceae) but unburnt for 50 years and kept checked by moderate grazing

Could the indirect competition hypothesis explain inter‐sexual site segregation in red deer (Cervus elaphus L.)?

Regeneration failure in Atlantic oakwoods: the roles of ungulate grazing and invertebrates

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