Arid
DOI10.1098/rstb.2013.0191
Oil in the Sahara: mapping anthropogenic threats to Saharan biodiversity from space
Duncan, Clare1; Kretz, Daniela1,2; Wegmann, Martin3,4; Rabeil, Thomas5; Pettorelli, Nathalie1
通讯作者Pettorelli, Nathalie
来源期刊PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES
ISSN0962-8436
EISSN1471-2970
出版年2014
卷号369期号:1643
英文摘要

Deserts are among the most poorly monitored and understood biomes in the world, with evidence suggesting that their biodiversity is declining fast. Oil exploration and exploitation can constitute an important threat to fragmented and remnant desert biodiversity, yet little is known about where and how intensively such developments are taking place. This lack of information hinders local efforts to adequately buffer and protect desert wildlife against encroachment from anthropogenic activity. Here, we investigate the use of freely available satellite imagery for the detection of features associated with oil exploration in the African Sahelo-Saharan region. We demonstrate how texture analyses combined with Landsat data can be employed to detect ground-validated exploration sites in Algeria and Niger. Our results show that site detection via supervised image classification and prediction is generally accurate. One surprising outcome of our analyses is the relatively high level of site omission errors in Niger (43%), which appears to be due to non-detection of potentially small-scale, temporary exploration activity: we believe the repeated implementation of our framework could reduce the severity of potential methodological limitations. Overall, our study provides a methodological basis for the mapping of anthropogenic threats associated with oil exploitation that can be conducted across desert regions.


英文关键词remote sensing biodiversity oil exploration desert conservation Landsat
类型Article
语种英语
国家England ; Germany ; Niger
收录类别SCI-E
WOS记录号WOS:000334594400002
WOS关键词PROTECTED AREA NETWORK ; TEXTURE ANALYSIS ; HABITAT LOSS ; CLASSIFICATION ; HOTSPOTS ; CONSERVATION ; EXTINCTION ; EXTRACTION ; INDUSTRY ; ALREADY
WOS类目Biology
WOS研究方向Life Sciences & Biomedicine - Other Topics
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/184176
作者单位1.Zool Soc London, Inst Zool, London NW1 4RY, England;
2.Univ Bayreuth, BayCEER, D-95440 Bayreuth, Germany;
3.Univ Wurzburg, Dept Remote Sensing, D-97074 Wurzburg, Germany;
4.German Aerosp Ctr, German Remote Sensing Data Ctr, D-82234 Oberpfaffenhofen, Germany;
5.Sahara Conservat Fund, Niamey, Niger
推荐引用方式
GB/T 7714
Duncan, Clare,Kretz, Daniela,Wegmann, Martin,et al. Oil in the Sahara: mapping anthropogenic threats to Saharan biodiversity from space[J],2014,369(1643).
APA Duncan, Clare,Kretz, Daniela,Wegmann, Martin,Rabeil, Thomas,&Pettorelli, Nathalie.(2014).Oil in the Sahara: mapping anthropogenic threats to Saharan biodiversity from space.PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES,369(1643).
MLA Duncan, Clare,et al."Oil in the Sahara: mapping anthropogenic threats to Saharan biodiversity from space".PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES 369.1643(2014).
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