两种同域犀鸟的物种分布模型:不丹的大犀鸟和红颈犀鸟

IF 0.2 Q4 ECOLOGY

International Journal of Ecology & Development Pub Date : 2022-01-19 DOI:10.22541/au.164263300.09904460/v1

N. Puri, Amit Verma, R. Chhetri, H. Chand, Sandip Rijal

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引用次数: 0

摘要

由于世界上大犀鸟(Buceros bicornis)和红颈犀鸟(Acerosnepalensis)的数量迅速减少，它们被列为国际自然保护联盟濒危物种红色名录中的易危物种。本研究的重点是分析这两种重要鸟类在不丹的栖息地适宜性。现场调查共记录了51个存在地点。模型采用3个地形变量和19个生物气候变量进行模拟。利用MaxEnt建模技术圈定了潜在生境适宜性分布图。对大犀鸟和红颈犀鸟的生境适宜性分析表明，不丹总地理面积的2%和3%分别是高度适宜的。本研究的方法将有助于确定适合的区域，并帮助决策者管理和保护这些脆弱的鸟类物种。

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SPECIES DISTRIBUTION MODELLING OF TWO SYMPATRIC HORNBILLS: THE GREAT HORNBILL AND RUFOUS-NECKED HORNBILL IN BHUTAN

The Great hornbill (Buceros bicornis) and Rufous-necked Hornbill (Acerosnepalensis) are listed as vulnerable under the International Union for Conservation of Nature Red List of threatened species due to the rapid decline of their population in the world. This research focuses on analysing the habitat suitability of these two important birdspecies across Bhutan. A total of 51 presence locations were recorded from the field survey. The models were simulated using three topographic variables and 19 bioclimatic variables. MaxEnt modelling technique was used for delineating the distribution potential habitat suitability map. The habitat suitability analysis for Great hornbill and Rufous-necked hornbill shows that 2% and 3% of Bhutan’s total geographical area were highly suitable, respectively. The approach of this study will be beneficial in identifying suitable areas and aiddecision-makers in management and conservation of these vulnerable bird species.

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International Journal of Ecology & Development ECOLOGY-

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期刊介绍： The main aim of the International Journal of Ecology & Development (IJED) is to publish refereed, well-written original research articles, and studies that describe the latest research and developments in ecology and development. It also covers the many potential applications and connections to other areas of Ecological Science, economics and technology such as the use and development of mathematics/statistics in ecology or use and development of economics for ecology & development or inter-disciplinary nature of applications for Ecology & Development. International Journal of Ecology and Development is published three issues in a year in Winter, Summer and Fall.