Range dynamics of Walterinnesia morgani (Serpentes, Elapidae) during climatic oscillations in Iran

IF 0.8 4区 生物学 Q3 ZOOLOGY Herpetozoa Pub Date : 2023-12-18 DOI:10.3897/herpetozoa.36.e107947
Ali Gholamifard, Mehmet Kürşat Şahin
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Abstract

Reptiles have a crucial part in maintaining global biodiversity and the functioning of dynamic ecosystems, owing to their ecological roles and functions. Nevertheless, these organisms are susceptible to human-induced disruptions and the deterioration of their habitats, leading to their categorization as the third most endangered group of vertebrates on a global scale. Understanding the spatial distribution of reptiles is crucial due to their often specific habitat needs and limited vagility. Morgan’s black cobra (Walterinnesia morgani) is a secretive venomous snake species that has thus far received little attention in Iranian scientific literature. The aim of the present study was to determine the existing distribution pattern of the cobra and to speculate on how climatic changes might affect it. Maximum entropy modeling was used to examine a dataset consisting of 16 occurrence records gleaned from field observations and the literature. The niche of the species was predicted using current and future climate change forecasts and bioclimatic and topographical characteristics. The models predicted a future reduction in the wide distribution region of W. morgani in southern and western Iran. It was discovered that climatic factors like temperature range, precipitation dynamics, and river proximity all played a key role in shaping the pattern of distribution. The predicted suitable areas for W. morgani were dependent on water sources; however, future scenarios showed a decline in suitable habitats. This study underscores the importance of conservation efforts in light of the potential implications of climate change on this species. To further understand the range shifts and adaptive strategies of the species, further study of its ecology and dispersal dynamics is required.
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伊朗气候振荡期间 Walterinnesia morgani(蛇类,Elapidae)的分布动态
爬行动物由于其生态作用和功能,在维持全球生物多样性和动态生态系统的运作方面发挥着至关重要的作用。然而,这些生物很容易受到人类活动的干扰,栖息地也很容易恶化,因此它们被列为全球第三大濒危脊椎动物。由于爬行动物通常需要特定的栖息地,而且活动能力有限,因此了解它们的空间分布至关重要。摩根黑眼镜蛇(Walterinnesia morgani)是一种神秘的毒蛇物种,迄今为止在伊朗的科学文献中很少受到关注。本研究旨在确定眼镜蛇的现有分布模式,并推测气候变化可能对其产生的影响。本研究采用最大熵模型对从实地观察和文献中收集到的 16 条出现记录组成的数据集进行了研究。利用当前和未来的气候变化预测以及生物气候和地形特征对该物种的生态位进行了预测。模型预测,未来伊朗南部和西部莫甘尼鸦雀的广泛分布区域将缩小。研究发现,温度范围、降水动态和河流邻近性等气候因素在形成分布模式方面都起到了关键作用。根据预测,莫甘尼蛙的适宜区域取决于水源;然而,未来的情况表明,适宜的栖息地会减少。鉴于气候变化对该物种的潜在影响,这项研究强调了保护工作的重要性。为了进一步了解该物种的分布范围变化和适应策略,需要进一步研究其生态学和扩散动力学。
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来源期刊
Herpetozoa
Herpetozoa ZOOLOGY-
CiteScore
1.90
自引率
11.10%
发文量
27
审稿时长
>12 weeks
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