Reintroduction of roe deer Capreolus capreolus into a Mediterranean habitat: female mortality and dispersion
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Published source details
Calenge C., Maillard D., Invernia N. & Gaudin J.C. (2005) Reintroduction of roe deer Capreolus capreolus into a Mediterranean habitat: female mortality and dispersion. Wildlife Biology, 11, 153-161.
Published source details Calenge C., Maillard D., Invernia N. & Gaudin J.C. (2005) Reintroduction of roe deer Capreolus capreolus into a Mediterranean habitat: female mortality and dispersion. Wildlife Biology, 11, 153-161.
Actions
This study is summarised as evidence for the following.
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Provide supplementary food during/after release of translocated mammals Action Link |
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Use holding pens at release site prior to release of translocated mammals Action Link |
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Translocate to re-establish or boost populations in native range Action Link |
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Provide supplementary food during/after release of translocated mammals
A study in 1995–2002 in a mixed oak forest reserve in the south of France (Calenge et al. 2005) found that following supplementary feeding in a holding pen prior to release, approximately half of translocated female roe deer Capreolus capreolus survived over one year after release and overall the deer population increased six years after the translocations began. Twenty-six out of 49 (53%) translocated female roe deer survived over one year post-release. Of the animals that died in the first year, 35% of mortality occurred within the first month after release. After six years the deer population had increased to 0.47 deer/km2 compared to 0.06 deer/km2 in the first year after translocation began. In February 1995–1997, fifty-two male and 52 female roe deer were translocated from Northern France into a 3,300-ha forest reserve in Southern France in seven release sessions. Animals were placed into enclosures in groups of approximately 15 individuals for 2-10 days and provided with food (pellets and fresh vegetables) prior to release. Forty-nine females (21 <1 year old and 28 >1 year old) were radio-tagged and were located from a vehicle once or twice each week, over one year post-release. In addition, surveys were carried out on foot (6 transects, each 5-7 km long) eight times a year in February-March 1996-2002 to estimate population growth. Deer were present in low numbers prior to translocation.
(Summarised by: Ricardo Rocha)
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Use holding pens at release site prior to release of translocated mammals
A study in 1995–2002 in a mixed oak forest reserve in the south of France (Calenge et al. 2005) found that following translocation using holding pens prior to release and associated actions, approximately half of female roe deer Capreolus capreolus survived over one year after release and that overall the deer population increased six years after the translocations began. Twenty-six out of 49 (53%) translocated female roe deer survived over one year post-release. Of the animals that died in the first year, 35% of mortality occurred within the first month after release. After six years the deer population had increased to 0.47 deer/km2 compared to 0.06 deer/km2 in the first year after translocation began. In February 1995–1997, fifty-two male and 52 female roe deer were translocated from Northern France into a 3,300-ha forest reserve in Southern France in seven release sessions. Animals were placed into enclosures in groups of approximately 15 individuals for 2-10 days and provided with food (pellets and fresh vegetables) during this time prior to release. Forty-nine females (21 <1 year old and 28 >1 year old) were radio-tagged and were located from a vehicle once or twice each week, over one year post-release. In addition, surveys were carried out on foot (6 transects, each 5-7 km long) eight times a year in February-March 1996-2002 to estimate population growth. Deer were present in low numbers prior to translocation.
(Summarised by: Ricardo Rocha)
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Translocate to re-establish or boost populations in native range
A study in 1995–2002 in a mixed oak forest reserve in the south of France (Calenge et al. 2005) found that following translocation in groups (alongside other associated actions), approximately half of female roe deer Capreolus capreolus survived over one year after release and that overall the deer population increased six years after the translocations began. Twenty-six out of 49 (53%) translocated female roe deer survived over one year post-release. Of the animals that died in the first year, 35% of mortality occurred within the first month after release. After six years the deer population had increased to 0.47 deer/km2 compared to 0.06 deer/km2 in the first year after translocation began. In February 1995–1997, fifty-two male and 52 female roe deer were translocated from Northern France into a 3,300-ha forest reserve in Southern France in seven release sessions. Animals were released in groups of approximately 15 individuals. They were initially placed into enclosures for 2-10 days and provided food during this time (pellets and fresh vegetables) prior to release. Forty-nine females (21 <1 year old and 28 >1 year old) were radio-tagged and were located from a vehicle once or twice each week, over one year post-release. In addition, surveys were carried out on foot (6 transects, each 5-7 km long) eight times a year in February-March 1996-2002 to estimate population growth. Deer were present in low numbers prior to translocation.
(Summarised by: Ricardo Rocha)
Output references
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