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DOI10.1007/s11355-018-0353-2
Identifying corridors for landscape connectivity using species distribution modeling of Hydnocarpus kurzii (King) Warb., a threatened species of the Indo-Burma Biodiversity Hotspot
Majumdar, Koushik1; Adhikari, Dibyendu2; Datta, Badal Kumar1; Barik, Saroj Kanta3
发表日期2019
ISSN1860-1871
EISSN1860-188X
卷号15期号:1页码:13-23
英文摘要

Modeling habitat corridors for landscape connectivity may serve as an efficient tool for assisting the colonization of threatened and endemic species in the event of environmental change. We demonstrate this through a population survey, species distribution modeling, and the least cost path method. As an example, we used Hydnocarpus kurzii (King) Warb., a threatened and endemic medicinal tree species distributed in the Indo-Burma Biodiversity Hotspot covering northeast India, Myanmar, and Bangladesh. We assessed its population in the wild and characterized its current habitats. We also predicted its potential habitats and modeled the connectivity between its potential habitats in the state of Tripura, northeast India. Overall, 18 wild populations of the species comprising 36 mature trees were recorded from glen and upland habitats. About 4% (similar to 443km(2)) of the total area of Tripura is predicted to be suitable for H. kurzii. Maxent outputs duly validated by field surveys revealed that the habitat corridors are concentrated mostly in the hill tracts, and that glen types of habitat offer suitable ecological conditions for the species compared to uplands. All the identified areas can form connective corridors among the existing populations. Since similar to 84% of this suitable area has>50% tree cover, these corridors should effectively assist the threatened and endemic plant species in propagule dispersal and support its regeneration and establishment.


WOS研究方向Biodiversity & Conservation ; Environmental Sciences & Ecology
来源期刊LANDSCAPE AND ECOLOGICAL ENGINEERING
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/91406
作者单位1.Tripura Univ, Dept Bot, Suryamaninagar 799022, India;
2.North Eastern Hill Univ, Dept Bot, Shillong 793022, Meghalaya, India;
3.Natl Bot Res Inst, CSIR, Lucknow 226001, Uttar Pradesh, India
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Majumdar, Koushik,Adhikari, Dibyendu,Datta, Badal Kumar,et al. Identifying corridors for landscape connectivity using species distribution modeling of Hydnocarpus kurzii (King) Warb., a threatened species of the Indo-Burma Biodiversity Hotspot[J],2019,15(1):13-23.
APA Majumdar, Koushik,Adhikari, Dibyendu,Datta, Badal Kumar,&Barik, Saroj Kanta.(2019).Identifying corridors for landscape connectivity using species distribution modeling of Hydnocarpus kurzii (King) Warb., a threatened species of the Indo-Burma Biodiversity Hotspot.LANDSCAPE AND ECOLOGICAL ENGINEERING,15(1),13-23.
MLA Majumdar, Koushik,et al."Identifying corridors for landscape connectivity using species distribution modeling of Hydnocarpus kurzii (King) Warb., a threatened species of the Indo-Burma Biodiversity Hotspot".LANDSCAPE AND ECOLOGICAL ENGINEERING 15.1(2019):13-23.
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