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IJFS 2020, 19 Back to browse issues page
Selection of nesting habitat of hawksbill turtle (Eretmochelys imbricata) in two coral islands of Qeshm and Hengam in the Persian Gulf, Iran
S. Aghanajafizadeh *, A. Askari
Department of Environment, Maybod Branch, Islamic Azad University, Maybod, Iran. , Shirinaghanajafi@gmail.com
Abstract:   (162 Views)
The Persian Gulf islands are the nesting regions for the severely endangered hawksbill turtle (Eretmochelys imbricata) species. Therefore, the selection of the nesting habitat of this species in the two islands of Qeshm and Hengam was studied by a five-member working group in the spring of 2013 - 2015. Ultimately, 23 and 17 nests were identified in the south of Qeshm Island and in the south and south-west of Hengam Island over two consecutive years, respectively. The habitat variables were measured around 24 nests (12 selected in Qeshm Island and 12 in Hengam Island) and compared with absence points. The results showed that the nests in the two islands were established in wide and deep beaches with a low slope near light sources. Due to its wider and deeper beaches, Qeshm Island is more favorable for the nesting of this species compared with Hengam Island. There was no significant difference in terms of average weight, diameter, and the number of normal eggs of the 12 nests selected in Hengam Island (31.10+0.30 g; 38.19+0.14 cm; 87+4) compared with those in Qeshm Island (30.59+0.29g; 38.09+ 0.17 cm; 79.07+5.39), respectively.
 
Keywords: Habitat selection, Hawksbill turtle, Qeshm Island, Hengam Island, Iran
Full-Text [PDF 845 kb]   (44 Downloads)    
Type of Study: Orginal research papers | Subject: Ecology
Received: 2017/04/27 | Accepted: 2018/01/29
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Aghanajafizadeh S, Askari A. Selection of nesting habitat of hawksbill turtle (Eretmochelys imbricata) in two coral islands of Qeshm and Hengam in the Persian Gulf, Iran. IJFS. 2020; 19 (2) :551-562
URL: http://jifro.ir/article-1-2694-en.html


Volume 19, Issue 2 (2020) Back to browse issues page
مجله علوم شیلاتی ایران Iranian Journal of Fisheries Sciences
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