The Role of Megafauna Restoration in Dryland, Natural and Cultural Heritage Conservation

Devillers, Pierre; Beudels-Jamar, Roseline

doi:10.1007/978-1-4020-6970-3_17

Cited by 4 publications

(25 citation statements)

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“…Lavauden (1926) reported unusually large sizes for G. leptoceros in Algeria (60 kg for large males), disagreeing with contemporary authors but providing no explanation for this discrepancy. General body weights (without specimen references) are reported to be 20-27 kg for adult males and 14-18 kg for adult females (Devillers et al 2006;Mallon et al 2020). Head-body length of four Egyptian G. leptoceros males was 885-999 mm (mean 937 mm), shoulder height 696-752 mm (mean 718 mm), and tail length 155-166 mm (mean 162 mm- Osborn and Helmy 1980).…”

Section: General Charactersmentioning

confidence: 99%

“…Besides slender-horned gazelle, other common English names include Loder's gazelle (cf. Thomas, 1894a; Sclater and Thomas 1898) and sand gazelle (sometimes African sand gazelle or Algerian sand gazelle to distinguish from G. marica, the Arabian sand gazelle- Devillers et al 2006). The Arabic name rim (variously spelled rhim, rhime, reem, rheem) has been adopted (as rhim) in English and French to refer specifically to G. leptoceros (Mallon et al 2020).…”

mentioning

confidence: 99%

“…Other Arabic names for G. leptoceros include ghazal abiad, meaning white gazelle, and abu el haráb (alternately abu el harabat-Sclater and Thomas 1898); an early preference was noted for the use of rim in Algeria and ghazal abiad in Tunisia and Egypt (Sclater and Thomas 1898;Joleaud 1929;Ellerman and Morrison-Scott 1966). The species is known as adam (alternately edemi) or hankut in the Tamacheq language (Devillers et al 2006;Mallon et al 2020) and ezim at the Sioua [Siwa] Oasis in Libya (Joleaud 1929). In French, it is gazelle des dunes or gazelle des sables (both meaning "sand gazelle"), gazelle leptocère or gazelle à cornes fines ("slender-horned gazelle"), gazelle blanche ("white gazelle"), or rhim; in German, Dünengazelle ("dune gazelle"); and in Spanish, gacela de las dunas ("dune gazelle") or gacela de astas delgadas ("slender-horned gazelle"- Mallon et al 2020).…”

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confidence: 99%

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Gazella leptoceros(Artiodactyla: Bovidae)

Huffman,

Leslie

2023

Mammalian Species

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Gazella leptoceros (F. Cuvier, 1842) is a monotypic African gazelle, most commonly called the slender-horned gazelle. It is one of 21 species in the genus Gazella and is distinguished by its pale sandy coloration, fawn-colored markings, and namesake long, slender horns. Gazella leptoceros is a dune specialist that inhabits the hyperarid northern Sahara Desert between Algeria and Egypt. It feeds on shrubs and low desert plants and ranges over large distances in small groups of 1–5 animals. Because of its very small, isolated populations, G. leptoceros is classified as “Endangered” (EN) on the International Union for Conservation of Nature Red List of Threatened Species and is on Appendix I of the Convention on International Trade in Endangered Species of Wild Fauna and Flora.

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Section: General Charactersmentioning

confidence: 99%

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confidence: 99%

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confidence: 99%

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Gazella leptoceros(Artiodactyla: Bovidae)

Huffman,

Leslie

2023

Mammalian Species

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“…Human pressures, including habitat degradation associated with increased grazing by domestic livestock (Devillers et al, 2005) and intense hunting activity (Cloudsley‐Thompson, 1992; Grettenberger & Newby, 1986), have depleted the dama gazelle population. Currently, dama gazelle is considered a critically endangered species and is on the red list of the International Union for Conservation of Nature.…”

Section: Introductionmentioning

confidence: 99%

Immunohistological study of the unexplored vomeronasal organ of an endangered mammal, the dama gazelle (Nanger dama)

Torres

Ortiz‐Leal

Ferreiro³

et al. 2023

Microscopy Res & Technique

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Dama gazelle is a threatened and rarely studied species found primarily in northern Africa. Human pressure has depleted the dama gazelle population from tens of thousands to a few hundred individuals. Since 1970, a founder population consisting of the last 17 surviving individuals in Western Sahara has been maintained in captivity, reproducing naturally. In preparation for the future implementation of assisted reproductive technology, certain aspects of dama gazelle reproductive biology have been established. However, the role played by semiochemical‐mediated communications in the sexual behavior of dama gazelle remains unknown due partially to a lack of a neuroanatomical or morphofunctional characterization of the dama gazelle vomeronasal organ (VNO), which is the sensory organ responsible for pheromone processing. The present study characterized the dama gazelle VNO, which appears fully equipped to perform neurosensory functions, contributing to current understanding of interspecies VNO variability among ruminants. By employing histological, lectin‐histochemical, and immunohistochemical techniques, we conducted a detailed morphofunctional evaluation of the dama gazelle VNO along its entire longitudinal axis. Our findings of significant structural and neurochemical transformation along the entire VNO suggest that future studies of the VNO should take a similar approach. The present study contributes to current understanding of dama gazelle VNO, providing a basis for future studies of semiochemical‐mediated communications and reproductive management in this species.Research Highlights This exhaustive immunohistological study of the vomeronasal organ (VNO) of the dama gazelle provides the first evidence of notable differences in the expression of neuronal markers along the rostrocaudal axis of the VNO. This provides a morphological basis for the implementation of pheromones in captive populations of dama gazelle.

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“…This phenomenon was attributed to a combination of two factors. First, habitat degradation, largely due to increased grazing by domestic livestock (Devillers et al, 2005). And secondly, to intense hunting activity (Grettenberger & Newby, 1986;Cloudsley-Thompson, 1992).…”

Section: Introductionmentioning

confidence: 99%

Exploring the vomeronasal organ in an endangered antelope species

Torres¹,

Ortiz‐Leal²,

Ferreiro³

et al. 2023

Preprint

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The dama gazelle is a threatened and scarcely studied species of northern Africa. Human pressure has depleted the population of dama gazelles from tens of thousands to a few hundred individuals. Since 1970, after deriving from a founder population of the last 17 surviving individuals in the Western Sahara, it has been reproduced naturally in captivity. Although certain aspects of the reproductive biology of the dama gazelle have been established in preparation for the future implementation of assisted reproductive technology there is a lack of information regarding the role of semiochemical-mediated communication in the sexual behavior of the dama gazelle. This is partially due to the lack of a neuroanatomical and morphofunctional characterization of the dama gazelle vomeronasal organ (VNO); the sensory organ responsible for the processing of pheromones. This study aims to determine the presence in the dama gazelle of a VNO fully equipped to carry out its neurosensory function and to contribute to the understanding of the interspecific variability of the VNO of ruminants. Employing histological, lectin-histochemical and immunohistochemical techniques we have performed a detailed morphofunctional evaluation of the dama gazelle VNO along its entire longitudinal axis. The findings suggest that studies of the VNO should take a similar approach, as there are significant structural and neurochemical transformations that the organ exhibits as a whole. This study contributes to the understanding of the VNO in dama gazelles and provides a basis for future studies on semiochemical-mediated communication and reproductive management of this species.

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The Role of Megafauna Restoration in Dryland, Natural and Cultural Heritage Conservation

Cited by 4 publications

References 9 publications

Gazella leptoceros(Artiodactyla: Bovidae)

Gazella leptoceros(Artiodactyla: Bovidae)

Immunohistological study of the unexplored vomeronasal organ of an endangered mammal, the dama gazelle (Nanger dama)

Exploring the vomeronasal organ in an endangered antelope species

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