کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5593735 | 1571142 | 2017 | 34 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Temporal niche switching in Arabian oryx (Oryx leucoryx): Seasonal plasticity of 24Â h activity patterns in a large desert mammal
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کلمات کلیدی
موضوعات مرتبط
علوم زیستی و بیوفناوری
بیوشیمی، ژنتیک و زیست شناسی مولکولی
فیزیولوژی
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Temporal niche switching in Arabian oryx (Oryx leucoryx): Seasonal plasticity of 24Â h activity patterns in a large desert mammal Temporal niche switching in Arabian oryx (Oryx leucoryx): Seasonal plasticity of 24Â h activity patterns in a large desert mammal](/preview/png/5593735.png)
چکیده انگلیسی
The Arabian oryx, a moderately large mammal that inhabits a harsh desert environment, has been shown to exhibit seasonal variations in activity and inactivity patterns. Here we analyzed the continuous year-round activity patterns of twelve free-roaming Arabian oryx under natural conditions from two varying desert environments in Saudi Arabia using abdominally implanted activity meters. We simultaneously recorded weather parameters at both sites to determine whether environmental factors are responsible for temporal niche switching as well as the seasonal structuring and timing of this behavioural plasticity. Our results demonstrate that Arabian oryx undergo temporal niche switching of 24Â h activity patterns at a seasonal level and exhibit distinct nocturnal/crepuscular activity during summer, diurnal activity during winter and intermittent patterns of behaviour during the transitional seasons of autumn and spring. In addition, the oryx exhibited inter- and intra-seasonal variations in the temporal budgeting of 24Â h activity patterns. Strong relationships with both photoperiod and ambient temperatures were found and in some instances suggested that increasing ambient temperatures are a primary driving force behind seasonal shifts in activity patterns. These adaptive patterns may be dictated by the availability of food and water, which in turn are strongly influenced by seasonal climate variations. Overall, the adaptive responses of free-roaming Arabian oryx in such harsh and non-laboratorial conditions provide a framework for comparing wild populations as well as aiding conservation efforts.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Physiology & Behavior - Volume 177, 1 August 2017, Pages 148-154
Journal: Physiology & Behavior - Volume 177, 1 August 2017, Pages 148-154
نویسندگان
Joshua G. Davimes, Abdulaziz N. Alagaili, Mads F. Bertelsen, Osama B. Mohammed, Jason Hemingway, Nigel C. Bennett, Paul R. Manger, Nadine Gravett,