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Type: Journal article
Title: The extent of forest in dryland biomes
Author: Bastin, J.
Berrahmouni, N.
Grainger, A.
Maniatis, D.
Mollicone, D.
Moore, R.
Patriarca, C.
Picard, N.
Sparrow, B.
Abraham, E.
Aloui, K.
Atesoglu, A.
Attorre, F.
Bassüllü, Ç.
Bey, A.
Garzuglia, M.
García-Montero, L.
Groot, N.
Guerin, G.
Laestadius, L.
et al.
Citation: Science, 2017; 356(6338):635-638
Publisher: American Association for the Advancement of Science
Issue Date: 2017
ISSN: 0036-8075
Statement of
Jean-François Bastin, Nora Berrahmouni, Alan Grainger, Danae Maniatis, Danilo Mollicone, Rebecca Moore, Chiara Patriarca, Nicolas Picard, Ben Sparrow, Elena Maria Abraham, Kamel Aloui, Ayhan Atesoglu, Fabio Attore, Çağlar Bassüllü, Adia Bey, Monica Garzuglia, Luis G. García-Montero, Nikée Groot, Greg Guerin, Lars Laestadius, Andrew J. Lowe, Bako Mamane, Giulio Marchi, Paul Patterson, Marcelo Rezende, Stefano Ricci, Ignacio Salcedo, Alfonso Sanchez-Paus Diaz, Fred Stolle, Venera Surappaeva, Rene Castro
Abstract: Dryland biomes cover two-fifths of Earth's land surface, but their forest area is poorly known. Here, we report an estimate of global forest extent in dryland biomes, based on analyzing more than 210,000 0.5-hectare sample plots through a photo-interpretation approach using large databases of satellite imagery at (i) very high spatial resolution and (ii) very high temporal resolution, which are available through the Google Earth platform. We show that in 2015, 1327 million hectares of drylands had more than 10% tree-cover, and 1079 million hectares comprised forest. Our estimate is 40 to 47% higher than previous estimates, corresponding to 467 million hectares of forest that have never been reported before. This increases current estimates of global forest cover by at least 9%.
Keywords: Conservation of Natural Resources; Ecosystem; Earth (Planet); Geographic Mapping; Forests
Rights: © The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science.
RMID: 0030069745
DOI: 10.1126/science.aam6527
Appears in Collections:Environment Institute Leaders publications

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