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Modélisation de la distribution spatiale de la girafe (Giraffa camelopardalis peralta, Linnaeus 1758) de l’Afrique de l’Ouest pour sa conservation au Niger

La conservation de la girafe (Giraffa camelopardalis peralta, Linnaeus 1758), nécessite la connaissance de son aire de répartition potentielle et des facteurs environnementaux conditionnant cette répartition. Cette étude visait à identifier les facteurs écologiques régissant la répartition géographique de la girafe et la cartographie de son aire de distribution sous les conditions climatiques actuelles pour une meilleure planification de sa gestion durable. La modélisation a été utilisée pour cartographier l’habitat de la girafe suivant les modèles climatiques (CCMA et CSIRO),

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A ghost fence-gap: surprising wildlife usage of an obsolete fence crossing

Wildlife fencing has become more prevalent throughout Africa, although it has come with a price of increased habitat fragmentation and loss of habitat connectivity. In an effort to increase connectivity, managers of fenced conservancies can place strategic gaps along the fences to allow wildlife access to outside habitat, permitting exploration, dispersal and seasonal migration. Wildlife can become accustomed to certain movement pathways and can show fidelity to these routes over many years, even at the path level. Our study site

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Large herbivore dynamics in northern Gonarezhou National Park, Zimbabwe

We compared densities and distribution of wild ungulates and domestic livestock based on aerial surveys conducted during 1991 – 2010 in northern parts of Gonarezhou National Park (GNP), Zimbabwe. The sampled area covered approximately 320 km2 (Chipinda Pools area) representing ca. 27 % of the GNP, which was colonized by a few herder families along with their cattle in the year 2000. We hypothesized that (1) human and livestock encroachment in the park would lead to decline in densities of

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Conservation Genomics of Two Threatened Subspecies of Northern Giraffe: The West African and the Kordofan Giraffe

Three of the four species of giraffe are threatened, particularly the northern giraffe (Giraffa camelopardalis), which collectively have the smallest known wild population estimates. Among the three subspecies of the northern giraffe, the West African giraffe (Giraffa camelopardalis peralta) had declined to 49 individuals by 1996 and only recovered due to conservation efforts undertaken in the past 25 years, while the Kordofan giraffe (Giraffa camelopardalis antiquorum) remains at <2300 individuals distributed in small, isolated populations over a large geographical range

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Between overstocking and extinction: conservation and the intensification of uneven wildlife geographies in Africa

Conservation news from Africa generally seems to exude crisis. Over the last decade, especially, we have witnessed the increasingly visible decline of charismatic species such as the rhino, elephant, cheetah, lion, giraffe and others, coupled with an ongoing defaunation of many forested areas. What is much less visible is that in certain areas an important countertrend is also occurring: the growth of wildlife species, most notably through the stocking of private lands and initiatives to develop broader wildlife economies. This

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Rothschild’s Refuge

If there are giraffes in the vicinity, there’s a good chance you’ll see them. But that doesn’t mean there are plenty of them around. Numbers have plummeted in recent years, and the Giraffe Conservation Foundation wants to know why. Andy Tutchings and his colleagues recently investigated the status of Rothschild’s giraffe in Uganda’s largest national park.

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Interaction entre hommes et girafes dans la zone de distribution de la girafe au Niger

Cette étude qui porte sur l’interaction entre hommes et girafes a été menée dans la zone de distribution de la girafe du Niger dénommée « aire girafe ». Elle a concerné douze (12) villages répartis sur les deux (2) foyers de distribution, la zone centrale et la zone de Fandou. Au total, 218 personnes ont été enquêtées et les données comparées entre villages et entre foyers de troupeau de girafes. Les résultats montrent que les dégâts sur les cultures et

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Bucking the dismal decline in wildlife: Amboseli numbers are going up

Amboseli Conservation Program’s five decades of continuous monitoring the Amboseli region shows an astonishing turnaround for wildlife after years of decline. Many species are now more abundant than forty-five years ago, a remarkable contrast to the rapid losses across Africa and around the world. What explains this small point of light in a gloomy outlook for wildlife? What lessons does Amboseli offer conservation? And how can the success be kept up as the space for wildlife shrinks? As scientists patch

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Survival of the tallest

The extreme adaptations of the giraffe have fuelled evolutionary hypotheses since the time of Lamarck. In-depth studies of its genomes are now yielding solid answers about its evolution, along with the identifi cation of new species. A better understanding of its biology, including its social behaviour, may help to secure the future of this unique animal.

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The changing role of natural and human agencies shaping the ecology of an African savanna ecosystem

Reconstructing the historical interplay of wildlife and pastoralists in the African savannas is clouded in contemporary studies by the transformation of subsistence societies and land use changes. We draw on five decades of monitoring by the Amboseli Conservation Program to illustrate the rainfall–-plant–herbivore linkages in a free-ranging wildlife–livestock system transitioning to contemporary savanna landscapes. In half a century, the coupled interactions of wildlife and livestock in the Amboseli ecosystem driven by rainfall and water sources have been severed and reshaped

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