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Assessment of mangrove forests in the Pacific region using Landsat imagery
J. Appl. Remote Sens. 5, 053509 (Mar 17, 2011); http://dx.doi.org/10.1117/1.3563584
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Add to FacebookThe information on the mangrove forests for the Pacific region is scarce or outdated. A regional assessment based on a consistent methodology and data sources was needed to understand their true extent. Our investigation offers a regionally consistent, high resolution (30 m), and the most comprehensive mapping of mangrove forests on the islands of American Samoa, Fiji, French Polynesia, Guam, Hawaii, Kiribati, Marshall Islands, Micronesia, Nauru, New Caledonia, Northern Mariana Islands, Palau, Papua New Guinea, Samoa, Solomon Islands, Tonga, Tuvalu, Vanuatu, and Wallis and Futuna Islands for the year 2000. We employed a hybrid supervised and unsupervised image classification technique on a total of 128 Landsat scenes gathered between 1999 and 2004, and validated the results using existing geographic information science (GIS) datasets, high resolution imagery, and published literature. We also draw a comparative analysis with the mangrove forests inventory published by the Food and Agriculture Association (FAO) of the United Nations. Our estimate shows a total of 623755 hectares of mangrove forests in the Pacific region; an increase of 18% from FAO's estimates. Although mangrove forests are disproportionately distributed toward a few larger islands on the western Pacific, they are also significant in many smaller islands.
© 2011 Society of Photo-Optical Instrumentation Engineers (SPIE)
History
Received Sep 03, 2010
Accepted Feb 17, 2011
Revised Feb 08, 2011
Published online Mar 17, 2011
Accepted Feb 17, 2011
Revised Feb 08, 2011
Published online Mar 17, 2011
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Citation
Bibek Bhattarai and Chandra Giri, "Assessment of mangrove forests in the Pacific region using Landsat imagery",
J. Appl. Remote Sens. 5, 053509 (Mar 17, 2011); http://dx.doi.org/10.1117/1.3563584
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