Evaluating Habitat of Houbara Bustard (Chlamydotis Undulata) Through Trending of Vegetation Activity in Cholistan Desert of Pakistan

Rabia Mukhtar, S. Abbas, Z. Saqib, A. Ashraf
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Abstract

In the present study, the habitat of Houbara Bustard was evaluated in Lal Suhanra National Park (LSNP) of Cholistan desert, Pakistan using remote sensing data of LANDSAT-5 and MODIS hyper-temporal vegetation index data of 2000-2012 period. Trend analysis of Normalized Difference Vegetation Index was performed using seasonal Mann-Kendall test to understand the distribution and projected status of the habitat. Over 76% area of the LSNP comprising of sand dunes, sandy/open shrubs, sandy (barren) and open shrubs was identified as the most suitable habitat for Houbara. Majority of the LSNP area exhibited stable trend in land cover/vegetation activity, e.g. about 7% land cover indicated progressive and 4% regressive trend, while 89% land cover exhibited stability (significant at p<0.05) in the LSNP. The progressive trending was likely because of increase in rainfall, while the regressive trending was due to increase in sunlight. The <1% regressive trend observed in classes like sand dunes, sandy/open shrubs, sandy (barren) and open shrubs points toward sustainability of the habitat in the LSNP. The MODIS based VI and time series proved useful in inferring trends in the vegetation activity in this region. Seasonal changes in the habitat of Houbara need regular monitoring and an in-depth research in context of future changes in climate and land use. A participatory approach based on concerted efforts would be effective in conserving this precious bird and its habitat on long-term basis in the region in future.
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利用植被活动趋势评价巴基斯坦乔里斯坦沙漠波状衣原体(Chlamydotis Undulata)生境
利用2000-2012年LANDSAT-5遥感数据和MODIS超时相植被指数数据,对巴基斯坦Cholistan沙漠Lal Suhanra国家公园(LSNP)的胡bara Bustard生境进行了评价。利用季节Mann-Kendall检验对归一化植被指数进行趋势分析,了解生境的分布和预测状况。在由沙丘、砂质/开阔灌木、砂质(贫瘠)和开阔灌木组成的LSNP中,超过76%的面积被确定为最适合胡原的栖息地。大部分土地覆盖/植被活动呈稳定趋势,约7%的土地覆盖表现为递进趋势,4%的土地覆盖表现为退化趋势,89%的土地覆盖表现为稳定趋势(p<0.05)。演进趋势可能是由于降雨量的增加,而回归趋势是由于日照的增加。沙丘类、砂质/开放灌木类、砂质(贫瘠)和开放灌木类均有<1%的回归趋势,表明该生境具有可持续性。基于MODIS的VI和时间序列可用于推断该地区植被活动的趋势。侯原栖息地的季节变化需要定期监测,并在未来气候和土地利用变化的背景下进行深入研究。以共同努力为基础的参与性方法将有效地在未来长期保护该地区的这种珍贵鸟类及其栖息地。
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来源期刊
CiteScore
1.50
自引率
10.00%
发文量
39
期刊介绍: IJESD addresses matters related to environment and sustainable development, paying special attention to relevant issues in developing countries while reporting on the latest environmental trends in industrialised nations. Its range of themes encompasses ecological studies, field research, empirical work and descriptive analyses on topics such as environmental systems, environmental policies and politics, environmental legislation, environmental impact assessment, water and energy related issues, and sustainability. Other matters related to or which influence the international debate on sustainability will be also considered. Topics covered include: -Global environmental issues- Agenda 21- Energy, water, recycling, waste management- Environmental reports- Environmental policies and action plans- Environmental systems- Environmental legislation- Environmental impact assessment- Sustainable development approaches and methods.
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