Annual changes in roe deer (Capreolus capreolus L.) diet in the Bohemian Forest, Czech Republic/Germany

Barančeková, Miroslava; Krojerová-Prokešová, Jarmila; Šustr, Pavel; Heurich, Marco

doi:10.1007/s10344-009-0321-0

Cited by 30 publications

(31 citation statements)

References 28 publications

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“…During the study, signifi cant diff erences in the use of biotopes were detected only in the autumn and winter seasons, when the intensity of using the ecotone zone and full-grown forest was diff erent. This fi nding is probably closely related not only to the food supply, but also to possibilities of fi nding cover (Wahlstrom & Kjellander, 1995;Miyashita et al, 2008), and basically corresponds to knowledge obtained in related species of even-toed ungulates (Mysterud & Østbye, 1995;Barančeková et al, 2009;Ferreti et al, 2010).…”

Section: Discussionsupporting

confidence: 79%

Assessment of a daily defecation rate of fallow deer upon a closed population study

Košnář

Rajnyšová

2013

Acta Univ. Agric. Silvic. Mendelianae Brun.

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KOŠNÁŘ, A., RAJNYŠOVÁ, R.: Assessment of a daily defecation rate of fallow deer upon a closed population study. Acta univ. agric. et silvic. Mendel. Brun., 2012, LX, No. 6, pp. 173-180 Many indirect methods of counting even-toed ungulates are based on the principle of accumulating dung in a known area per a unit of time. In order to provide the most accurate assessment of the population size, these methods require the knowledge of daily defecation of the monitored species. The main objective of the study submitted is the assessment of a daily defecation rate of fallow deer based on the monitoring of its closed population. A partial objective is the assessment of the distribution of fallow deer in an enclosed area with a view to biotopes represented. A fallow deer population was studied for the period of three years (2009)(2010)(2011) in a fenced-in area (8 ha). During this period, dung heaps were counted in forty sites with the total area of 0.8 ha in all seasons of the year. In each season, the sites were cleared, and the dung was counted a er a seven-day exposure. This counting was performed twice in each season. Thanks to the precise knowledge of the number of monitored animals, daily defecation rates (DDR) were derived upon the dung found, using a formula for the calculation of population density. Subsequently, the determined DDRs were verifi ed by direct observation. The highest average DDR value calculated from the formula (21.11 ± 0.32 S.E.) was obtained in the summer season. The lowest defecation of fallow deer was established to be in winter (12.34 ± 0.25 S.E.) and early spring (10.61 ± 0.24 S.E.).Dama dama, defecation rate, fallow deer, pellet groups Address Ing. Antonín Košnář, DiS., Ing. Romana Rajnyšová, Katedra ochrany lesa a myslivosti, Česká zemědělská univerzita v Praze, Kamýcká 129, 165 21 Praha 6, Česká republika,

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Section: Discussionsupporting

confidence: 79%

Assessment of a daily defecation rate of fallow deer upon a closed population study

Košnář

Rajnyšová

2013

Acta Univ. Agric. Silvic. Mendelianae Brun.

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“…unmanaged meadows, clearcuts, Table ) at both the second and third scale of selection (Johnson ). Finally, during winter sites providing cover were sought after when woody plants also form an important food resource for roe deer at a time when availability of herbaceous plants is low because of snow cover (Barančeková et al ). Moreover, the presence of artificial feeding sites could drive roe deer in forested areas at BFNP in winter, in addition to thermal shelter and reduced movement costs linked to thick snow layer (Ewald et al ).…”

Section: Discussionmentioning

confidence: 99%

“…Second, the trade-off between selection of habitat for forage and protection against predation is weak, and of similar magnitude than the one observed at the landscape level. Hence, the landscape of fear might not systematically apply for roe deer at a time when availability of herbaceous plants is low because of snow cover (Barančeková et al 2010). Moreover, the presence of artificial feeding sites could drive roe deer in forested areas at BFNP in winter, in addition to thermal shelter and reduced movement costs linked to thick snow layer (Ewald et al 2014b).…”

Section: Discussionmentioning

confidence: 99%

Habitat selection by a large herbivore at multiple spatial and temporal scales is primarily governed by food resources

et al. 2016

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Habitat selection can be considered as a hierarchical process in which animals satisfy their habitat requirements at different ecological scales. Theory predicts that spatial and temporal scales should co‐vary in most ecological processes and that the most limiting factors should drive habitat selection at coarse ecological scales, but be less influential at finer scales. Using detailed location data on roe deer Capreolus capreolus inhabiting the Bavarian Forest National Park, Germany, we investigated habitat selection at several spatial and temporal scales. We tested 1) whether time‐varying patterns were governed by factors reported as having the largest effects on fitness, 2) whether the trade‐off between forage and predation risks differed among spatial and temporal scales and 3) if spatial and temporal scales are positively associated. We analysed the variation in habitat selection within the landscape and within home ranges at monthly intervals, with respect to land‐cover type and proxys of food and cover over seasonal and diurnal temporal scales. The fine‐scale temporal variation follows a nycthemeral cycle linked to diurnal variation in human disturbance. The large‐scale variation matches seasonal plant phenology, suggesting food resources being a greater limiting factor than lynx predation risk. The trade‐off between selection for food and cover was similar on seasonal and diurnal scale. Habitat selection at the different scales may be the consequence of the temporal variation and predictability of the limiting factors as much as its association with fitness. The landscape of fear might have less importance at the studied scale of habitat selection than generally accepted because of the predator hunting strategy. Finally, seasonal variation in habitat selection was similar at the large and small spatial scales, which may arise because of the marked philopatry of roe deer. The difference is supposed to be greater for wider ranging herbivores.

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“…Seasonality in roe deer has been shown for a variety of parameters, including food selection (Duncan et al 1998;Barancekova et al 2009), elucidated physiological adaptations to adjust food processing in response to changes in seasonal conditions (Rowell-Schäfer et al 2001;Lason 2010), reproductive behaviour (Molinari-Jobin et al 2004;Blottner et al 2006;Klonisch et al 2006;Weyrich et al 2010), and territoriality (Bramley 1970;Hewison et al 1998;Kjellander et al 2004). Three studies have analysed daily and seasonal activity patterns of roe deer (Cederlund 1981, in central Sweden;Jeppesen 1989, in Denmark;Pagon 2010, in Central Italy).…”

Section: Introductionmentioning

confidence: 99%

Long-term measurement of roe deer (Capreolus capreolus) (Mammalia: Cervidae) activity using two-axis accelerometers in GPS-collars

Krop-Benesch

Berger

Hofer

et al. 2013

Italian Journal of Zoology

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The investigation of activity patterns provides crucial information on the ecology of a species, yet there are very few long-term data available from free-ranging species. Here, we present the first continuous activity data of free-ranging roe deer covering an entire calendar year. Six male and five female roe deer in the National Park Bavarian Forest, Germany, were equipped with GPS collars containing a two-axis accelerometer. Activity data were analysed for daily activity patterns and their seasonal changes. Daily activity patterns resembled the patterns described in earlier VHF-telemetry based studies, but instead of a pure active/inactive discrimination, the level of activity was obtained continuously, allowing a more precise study of activity intensity. Activity was observed at all daytimes, but was most intense at twilight. These twilight peaks were less pronounced in winter. The intensity of activity showed stronger seasonal changes than the number and duration of activity bouts. Mean daily activity levels and the number of activity peaks per day were lower in winter than in spring and summer. Mean duration of activity peaks did not change during the year. At all seasons, activity had a significant 24-hour periodicity, but the time of its emphasis changed. The roe deer was most diurnal during winter, and most nocturnal in autumn. In spring and summer, activity was evenly distributed between day and night. Seasonal changes in activity could be explained by seasonal changes in physiological parameters and in environmental changes, especially food supply and climate.

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Annual changes in roe deer (Capreolus capreolus L.) diet in the Bohemian Forest, Czech Republic/Germany

Cited by 30 publications

References 28 publications

Assessment of a daily defecation rate of fallow deer upon a closed population study

Assessment of a daily defecation rate of fallow deer upon a closed population study

Habitat selection by a large herbivore at multiple spatial and temporal scales is primarily governed by food resources

Long-term measurement of roe deer (Capreolus capreolus) (Mammalia: Cervidae) activity using two-axis accelerometers in GPS-collars

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