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81 results for “Capreolus”

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dryad36/100

Data from: Born in heterogenous landscapes: birth timing, body mass and growth of roe deer (Capreolus capreolus) fawns in contrasting habitats

Although the widespread effects of global change impact almost all ecosystems, we lack a detailed understanding of how wildlife that thrive in human-dominated environments are able to adjust their life history to modifications in land use of their natural habitat. In particular, spatial variation in environmental conditions is predicted to influence development during the crucial early life phase, with marked impacts on individual performance and population dynamics for long-lived species. Large herbivores such as roe deer (Capreolus capreolus), a synanthropic species, have increased substantially in number and distribution over the last half century across Europe. Roe deer have been particularly successful, gradually colonizing agricultural landscapes to cope with a global warming-driven phenological mismatch in their natural forest habitat. However, to date, little is known about how habitat heterogeneity impacts their demographic performance in this heavily human-impacted environment. Specifically, we predicted that fawns born in predominantly cultivated local habitats would achieve faster early development due to the food subsidies obtained by their mothers from agricultural crops. Contrary to our expectations, fawns in semi-natural forest habitats were around 10% heavier at birth than those born in more mixed (by 0.163 ± 0.058 kg) and open (by 0.169 ± 0.006 kg) agricultural habitats. However, all fawns subsequently grew at a similar average rate (0.148 ± 0.058 kg/day), irrespective of their habitat. This habitat-dependent variation in birth mass appeared to be driven by reproductive phenology, as i) early-born fawns were heavier than late-born fawns, and ii) mothers living in the forest gave birth around 10 days earlier than those living in the mixed and open habitats. As natural habitats become increasingly scarce and fragmented due to the activities of humans, the prospects for many wild populations will depend on their ability to subsist in the heavily modified habitats of anthropogenic landscapes.

opencc-zeroJan 2024View details →

dryad36/100

Data from: Who is taking our roe deer's breath away? – Prevalence and promotive factors of lung parasites in roe deer (Capreolus capreolus) in southeast Germany

The existence of bronchopulmonary nematodes in German roe deer (Capreolus capreolus) is well documented, with two types of lung parasites that have been described previously (Dictyocaulus capreolus and Varestrongylus capreoli). However, little is known about the impact of these parasites on their host animal or which parameters influence outbreak and intensity of infection. The aim of this study was to obtain new information on the relevance of factors such as season, environmental conditions or age, sex, and body mass of the infected roe deer. To obtain our results, the respiratory tracts of 762 roe deer from south-eastern Germany were examined. In the sample, 42.5 % of roe deer were infested with V. capreoli and 14.0 % with D. capreolus, 51.3 % of animals were completely free of lung parasites. Testing for influencing variables, our regression models found both sex and age of the roe deer to statistically influence infestation, with male sex and younger age correlating with both stronger infestation and higher infestation rates. Accordingly, in male animals, the infestation rates with V. capreoli and D. capreolus (45.1 % and 20.1 %) were higher than in females (39.4 % and 8.0 %). The overall infestation rate of juvenile animals was remarkably higher (73 %) than those of sub-adults (38.3 %) or adults (28.4 %). Across all age groups, infested animals showed lower body weights compared to non-infested animals. According to our multiple linear regression model Roe deer infected with D. capreolus on average weighed 0.65 kg less than their healthy counterparts, in case of V. capreoli 0.72 kg less on average. While the burden on the well-being of infested animals can only be assumed, these concrete figures (reduced body weight in infested compared to healthy animals) demonstrate the economic damage lung parasites cause to meat harvesting from bagged roe deer.

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Dataset results

Data from: Born in heterogenous landscapes: birth timing, body mass and growth of roe deer (Capreolus capreolus) fawns in contrasting habitats

Data from: Who is taking our roe deer's breath away? – Prevalence and promotive factors of lung parasites in roe deer (Capreolus capreolus) in southeast Germany

Fig. 1 in Epidemiological Characteristics Of Cephenemyia Stimulator (Clark, 1815) Larval Infestation In European Roe Deer (Capreolus Capreolus) In Hungary

Camera trap image of Capreolus capreolus (2017-11-19T11:04:43Z)

Camera trap image of Capreolus capreolus (2018-07-18T14:24:48Z)

Camera trap image of Capreolus capreolus (2018-02-17T10:15:52Z)

Camera trap image of Capreolus capreolus (2017-10-29T16:30:58Z)

Camera trap image of Capreolus capreolus (2018-07-06T17:33:05Z)

Camera trap image of Capreolus capreolus (2018-04-05T07:04:23Z)

Camera trap image of Capreolus capreolus (2017-08-25T13:04:16Z)

Camera trap image of Capreolus capreolus (2018-02-17T10:17:08Z)

Camera trap image of Capreolus capreolus (2018-08-29T10:15:25Z)

Camera trap image of Capreolus capreolus (2018-02-16T16:04:35Z)

Camera trap image of Capreolus capreolus (2018-05-05T18:25:29Z)

Camera trap image of Capreolus capreolus (2018-07-30T12:31:57Z)

Camera trap image of Capreolus capreolus (2017-08-25T14:14:55Z)

Camera trap image of Capreolus capreolus (2018-07-06T17:35:58Z)

Camera trap image of Capreolus capreolus (2017-11-12T13:53:53Z)

Camera trap image of Capreolus capreolus (2018-04-15T16:39:42Z)

Camera trap image of Capreolus capreolus (2017-11-22T15:11:18Z)

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