Potential distribution of the endemic Short-tailed ground agama Calotes minor (Hardwicke & Gray, 1827) in drylands of the Indian sub-continent

IF 1.1 4区 生物学 Q3 ZOOLOGY Herpetological Journal Pub Date : 2021-07-01 DOI:10.33256/31.3.132141
Ashish Kumar Jangid
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引用次数: 1

Abstract

The Short-tailed ground agama or Hardwicke’s bloodsucker Calotes minor (Hardwicke & Gray, 1827) is known to occur in the Indian subcontinent and is largely confined to arid to semiarid environments, such as hard barren desert and abandoned fields. The precise distribution of this species is largely unknown to date, with few locality records spread biogeographically across Eastern Pakistan, Central and Western India. To improve on the existing spatial knowledge on this species and assess the ability to predict species distributions for taxa with few locality records, we studied the distribution of C. minor using a species distribution modelling framework. Our study allowed us to predict the distribution range of C. minor and help define a niche for this habitat-specific species. Highly probable habitats for C. minor were arid and semi-arid dryland habitats, characterised by plains or less rugged terrain with moderately narrow temperature range, lower aridity index, moderate to low vegetation index, and wide precipitation range. Furthermore, we report four additional occurrence records of C. minor from central Rajasthan.
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印度次大陆旱地特有的短尾地面agama Calotes minor的潜在分布(Hardwicke & Gray, 1827)
已知短尾地面龙舌兰或Hardwicke's吸血小鹿(Hardwicke&Gray,1827)产于印度次大陆,主要局限于干旱至半干旱的环境,如坚硬贫瘠的沙漠和废弃的田地。到目前为止,该物种的确切分布在很大程度上是未知的,几乎没有分布在巴基斯坦东部、印度中部和西部的地方记录。为了改进现有的关于该物种的空间知识,并评估预测几乎没有位置记录的分类群的物种分布的能力,我们使用物种分布建模框架研究了小C.minor的分布。我们的研究使我们能够预测C.minor的分布范围,并有助于确定这种特定栖息地物种的生态位。C.minor极有可能的栖息地是干旱和半干旱的旱地栖息地,其特征是平原或不太崎岖的地形,温度范围适中,干旱指数较低,植被指数适中至较低,降水范围较广。此外,我们还报告了拉贾斯坦邦中部另外四次小C.的发生记录。
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来源期刊
Herpetological Journal
Herpetological Journal 生物-动物学
CiteScore
2.40
自引率
10.00%
发文量
25
审稿时长
>12 weeks
期刊介绍: The Herpetological Journal is the Society''s prestigious quarterly scientific journal.
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