Reintroduction as an Antelope Conservation Solution

Price, Mark R. Stanley

doi:10.1002/9781118409572.ch12

Cited by 3 publications

(2 citation statements)

References 37 publications

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“…The population reached a maximum of 73 animals in 2012. This population dispersed throughout the fenced area, but then crashed to 40 addax by the time of the study, probably due to inappropriate management standards, severe droughts and desertification accompanied by persistent food shortages and a rapid decrease in the availability of highly palatable plant species (Price 2017). Moreover, it cannot be excluded that addax were hunted outside the fenced area, especially considering the lack of fence maintenance and accumulation of sand, which allowed animals to disperse beyond the perimeter of the park (Gilbert et al 2018).…”

Section: Methodsmentioning

confidence: 99%

Section: Study Speciesmentioning

confidence: 99%

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Habitat selection and foraging preference of the endangered addax (Addax nasomaculatus) in a fenced wildlife reserve within its historic range: insights for supporting effective reintroduction

et al. 2022

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Reintroduction of species should be based on ecological knowledge, which is fundamental to enhancing the probability of success, but also in predicting the response to future changing landscapes. The addax (Addax nasomaculatus), an endangered antelope whose ecology is mostly unknown, was released in a fenced area of the Jbil National Park, Tunisia. Considering the extreme desert conditions of the area, seasonal changes should affect both habitat and diet selection. Addax occurrence, habitat selection and diet were assessed using an integrative approach, and analysed with multivariate statistics. During the wet season, preferred and avoided plant species abundance were highly correlated with addax occurrence; while in the dry season, preferred plant species abundance were positively correlated with addax presence. Micro-histological analysis of faecal samples indicated differences in diet between seasons. The integrative approach proposed represents a useful contribution for decision-making in the scope of reintroduction programmes and habitat restoration measures, by facilitating the assessment of habitat suitability for endangered antelopes in arid environments.

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Section: Methodsmentioning

confidence: 99%

Section: Study Speciesmentioning

confidence: 99%

Habitat selection and foraging preference of the endangered addax (Addax nasomaculatus) in a fenced wildlife reserve within its historic range: insights for supporting effective reintroduction

et al. 2022

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Temporal patterns in natality and mortality of three threatened antelope species in North Africa: Oryx dammah, Addax nasomaculatus and Nanger dama

et al. 2019

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Long‐term population studies on large mammals are rare. Here, we have examined the threatened scimitar‐horned oryx, addax and dama gazelle's populations over the last 20 years in Bou Hedma National Park. Using monthly count data of the three studied species collected since 1995, we examined their population trends. Using autocorrelation analyses, we discovered endogenous natural cyclical fluctuations in the numbers of each species, with a periodicity of approximately 3 years. For all three studied species which seem to be opportunistic breeders, births and deaths occurred throughout the year, although with notable seasonality. By means of cross‐correlation, we discovered that during the first 7 years for which data were available, addax numbers were positively correlated with those of dama and inversely correlated with numbers of oryx. This pattern reversed during the following 4‐year period. The number of oryx was negatively correlated with dama during the first 4 years and then became positively correlated during the subsequent 7‐year period. Thus, we draw attention to difference in response to environmental and anthropogenic factors. Incorporating fundamental long‐term population data into developing management approaches, especially for potentially competitive species, is vital for their future long‐term survival and the success of conservation actions.

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Ex situ management as insurance against extinction of mammalian megafauna in an uncertain world

Farhadinia

Johnson

Zimmermann

et al. 2020

Conservation Biology

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The persistence of endangered species may depend on the fate of a very small number of individual animals. In situ conservation alone may sometimes be insufficient. In these instances, the International Union for Conservation of Nature provides guidelines for ex situ conservation and the Convention on Biological Diversity (CBD) indicates how ex situ management can support the CBD's objectives by providing insurance policies for species. The circumstances that justify its use are uncertain. To evaluate the current in situ extinction risk and ex situ management of 43 critically endangered species of mammalian megafauna, we used nonmetric multidimensional scaling and geopolitical variables related to governance, economics, and national policy within their extant ranges. We then fitted generalized additive models to assess the contribution of each variable to the ordination. Fifteen (almost one-third) of the world's terrestrial mammalian megafauna are not the subject of any ex situ management. Seventy-three percent of these taxa occur in areas characterized by political uncertainty, such as border zones or areas affected by armed conflicts, mainly in Africa and the Middle East. A further 23% of taxa in ex situ programs do not meet sustainability criteria for inbreeding avoidance. Strategic conservation planning, such as the One Plan approach, may improve ex situ management for these taxa. Given the escalating trend in threats afflicting megafauna, ex situ management should be considered more rigorously, particularly in politically unstable regions, to achieve CBD Target 12 (prevent extinction of threatened species).

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Reintroduction as an Antelope Conservation Solution

Cited by 3 publications

References 37 publications

Habitat selection and foraging preference of the endangered addax (Addax nasomaculatus) in a fenced wildlife reserve within its historic range: insights for supporting effective reintroduction

Habitat selection and foraging preference of the endangered addax (Addax nasomaculatus) in a fenced wildlife reserve within its historic range: insights for supporting effective reintroduction

Temporal patterns in natality and mortality of three threatened antelope species in North Africa: Oryx dammah, Addax nasomaculatus and Nanger dama

Ex situ management as insurance against extinction of mammalian megafauna in an uncertain world

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