Duncan, Clare and Kretz, Daniela and Wegmann, Martin and Rabeil, Thomas and 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), pp. 1-12. Royal Society Publishing. doi: 10.1098/rstb.2013.0191. ISSN 0962-8436.
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Official URL: http://rstb.royalsocietypublishing.org/content/369/1643/20130191
Abstract
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.
Item URL in elib: | https://elib.dlr.de/91662/ | ||||||||||||||||||||||||
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Document Type: | Article | ||||||||||||||||||||||||
Title: | Oil in the Sahara: mapping anthropogenic threats to Saharan biodiversity from space | ||||||||||||||||||||||||
Authors: |
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Date: | 14 April 2014 | ||||||||||||||||||||||||
Journal or Publication Title: | Philosophical Transactions of the Royal Society B-Biological Sciences | ||||||||||||||||||||||||
Refereed publication: | Yes | ||||||||||||||||||||||||
Open Access: | No | ||||||||||||||||||||||||
Gold Open Access: | No | ||||||||||||||||||||||||
In SCOPUS: | Yes | ||||||||||||||||||||||||
In ISI Web of Science: | Yes | ||||||||||||||||||||||||
Volume: | 369 | ||||||||||||||||||||||||
DOI: | 10.1098/rstb.2013.0191 | ||||||||||||||||||||||||
Page Range: | pp. 1-12 | ||||||||||||||||||||||||
Publisher: | Royal Society Publishing | ||||||||||||||||||||||||
ISSN: | 0962-8436 | ||||||||||||||||||||||||
Status: | Published | ||||||||||||||||||||||||
Keywords: | Remote Sensing, Biodiversity, Oil Exploration, Desert, Conservation, Landsat | ||||||||||||||||||||||||
HGF - Research field: | Aeronautics, Space and Transport | ||||||||||||||||||||||||
HGF - Program: | Space | ||||||||||||||||||||||||
HGF - Program Themes: | Earth Observation | ||||||||||||||||||||||||
DLR - Research area: | Raumfahrt | ||||||||||||||||||||||||
DLR - Program: | R EO - Earth Observation | ||||||||||||||||||||||||
DLR - Research theme (Project): | R - Geoscientific remote sensing and GIS methods | ||||||||||||||||||||||||
Location: | Oberpfaffenhofen | ||||||||||||||||||||||||
Institutes and Institutions: | German Remote Sensing Data Center | ||||||||||||||||||||||||
Deposited By: | Wöhrl, Monika | ||||||||||||||||||||||||
Deposited On: | 12 Dec 2014 14:51 | ||||||||||||||||||||||||
Last Modified: | 06 Sep 2019 15:21 |
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