Cattle Grazing Effects on Mountain Gazelles in Mediterranean Natural Landscapes
Frequently, Mediterranean natural and semi-natural areas will undergo cattle grazing as a form of fire fuel reduction management. We used a multi-species approach to understand effects of cattle grazing on mountain gazelle (Gazella gazella) in relation to 2 potential predators of gazelle neonates: g...
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Veröffentlicht in: | The Journal of wildlife management 2017-11, Vol.81 (8), p.1351-1362 |
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Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | Frequently, Mediterranean natural and semi-natural areas will undergo cattle grazing as a form of fire fuel reduction management. We used a multi-species approach to understand effects of cattle grazing on mountain gazelle (Gazella gazella) in relation to 2 potential predators of gazelle neonates: golden jackal (Canis aureus) and wild boar (Sus scrofa). We used light detection and ranging (LiDAR) data and a fine-scale camera trap design (0.01-km² grid) in Ramat Hanadiv Nature Park in the Mediterranean region of Israel to determine gazelle habitat and patch preferences in response to grazing using N-mixture models. Cattle grazing decreased female gazelle detectability and activity and attracted potential predators during the most sensitive time of the year for gazelle: parturition and the critical first 5 weeks of fawns’ lives. Grazing management acts as a disturbance for gazelles and increases risk for neonates. Our results show the importance of understanding the broader mechanism behind predator–prey dynamics and how indirect human-mediated management actions and direct predation may have adverse effects on wild populations. We recommend that cattle be allowed to enter natural areas only after the spring birth peak. |
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ISSN: | 0022-541X 1937-2817 |
DOI: | 10.1002/jwmg.21323 |