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Past, Present and Future: Combining habitat suitability and future landcover simulation for long-term conservation management of Indian rhino.
Scientific Reports ( IF 3.8 ) Pub Date : 2020-01-17 , DOI: 10.1038/s41598-020-57547-0 Tanoy Mukherjee 1, 2 , Lalit Kumar Sharma 1 , Goutam K Saha 2 , Mukesh Thakur 1 , Kailash Chandra 1
Scientific Reports ( IF 3.8 ) Pub Date : 2020-01-17 , DOI: 10.1038/s41598-020-57547-0 Tanoy Mukherjee 1, 2 , Lalit Kumar Sharma 1 , Goutam K Saha 2 , Mukesh Thakur 1 , Kailash Chandra 1
Affiliation
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The Indian rhino (Rhinoceros unicornis) is susceptible to habitat change and fragmentation due to illegal logging, rapid urbanization and non-forest use and therefore were confined in to isolated areas throughout its distribution. The present study was conducted in Gorumara landscape which is composed of two protected areas (PAs) viz., Gorumara National Park (GNP) and Chapramari Wildlife Sanctuary. Both PAs were separated by a territorial forest range (Bridge Area), which is between both the PAs and under high anthropogenic disturbance. The study was designed to understand the impacts of landcover change on habitat suitability of R. unicornis in a multi-temporal scenario from 1998 to 2018 using ensemble approach and also to simulate the future habitat suitability for 2028. Our result suggests a significant increase in woodland cover inside the PAs, whereas the grassland cover has increased outside the PA in territorial range. We found a strong positive association of R. unicornis with grasslands. The Comparison of the future suitability model of 2028 with that of 2018 indicates a substantial increase in rhino suitable area by 13% in the territorial forest. Hence, bringing the territorial forest into the PA network, will be a crucial step to increase the fodder availability and better connectivity for the long term survival of the species.
中文翻译：
过去、现在和未来：将栖息地适宜性和未来土地覆盖模拟相结合，进行印度犀牛的长期保护管理。
由于非法采伐、快速城市化和非森林利用，印度犀牛（Rhinoceros unicornis）很容易受到栖息地变化和破碎化的影响，因此在整个分布范围内被限制在偏僻的地区。本研究是在 Gorumara 景观中进行的，该景观由两个保护区 (PA) 即 Gorumara 国家公园 (GNP) 和 Chapramari 野生动物保护区组成。两个保护区均被领土森林范围（桥区）隔开，该森林范围位于两个保护区之间，且受到严重的人为干扰。该研究旨在利用集合方法了解 1998 年至 2018 年多时间情景下土地覆盖变化对独角兽栖息地适宜性的影响，并模拟 2028 年未来的栖息地适宜性。我们的结果表明林地显着增加保护区内的草地覆盖率有所增加，而保护区外领土范围内的草地覆盖率有所增加。我们发现独角兽与草原有很强的正相关关系。 2028年未来适宜性模型与2018年的比较表明，境内森林犀牛适宜性面积大幅增加13%。因此，将领地森林纳入保护区网络将是增加饲料供应和改善物种长期生存连通性的关键一步。
更新日期：2020-01-17
中文翻译：
过去、现在和未来：将栖息地适宜性和未来土地覆盖模拟相结合，进行印度犀牛的长期保护管理。
由于非法采伐、快速城市化和非森林利用，印度犀牛（Rhinoceros unicornis）很容易受到栖息地变化和破碎化的影响，因此在整个分布范围内被限制在偏僻的地区。本研究是在 Gorumara 景观中进行的，该景观由两个保护区 (PA) 即 Gorumara 国家公园 (GNP) 和 Chapramari 野生动物保护区组成。两个保护区均被领土森林范围（桥区）隔开，该森林范围位于两个保护区之间，且受到严重的人为干扰。该研究旨在利用集合方法了解 1998 年至 2018 年多时间情景下土地覆盖变化对独角兽栖息地适宜性的影响，并模拟 2028 年未来的栖息地适宜性。我们的结果表明林地显着增加保护区内的草地覆盖率有所增加，而保护区外领土范围内的草地覆盖率有所增加。我们发现独角兽与草原有很强的正相关关系。 2028年未来适宜性模型与2018年的比较表明，境内森林犀牛适宜性面积大幅增加13%。因此，将领地森林纳入保护区网络将是增加饲料供应和改善物种长期生存连通性的关键一步。
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