Climate change impacts and vegetation response on the island of Madagascar

Ingram, J. Carter and Dawson, Terence P. (2005) Climate change impacts and vegetation response on the island of Madagascar Philosophical Transactions of the Royal Society Series A, 363, (1826), pp. 55-59. (doi:10.1098/rsta.2004.1476).


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The island of Madagascar has been labelled the world's number one conservation 'hot spot' because of increasing anthropogenic degradation of its natural habitats, which support a high level of species endemism. However, climatic phenomena may also have a significant impact upon the island's flora and fauna. An analysis of 18 years of monthly satellite images from the National Oceanographic and Atmospheric Administration's (NOAA) Advanced Very High Resolution Radiometer (AVHRR) have demonstrated that there is a dynamic pattern in Madagascar's vegetative cover both annually and seasonally throughout 1982-1999. Over interannual time-scales, we show that this vegetation response, calculated using the normalized difference vegetation index (NDVI), has a strong negative correlation with the El Niño Southern Oscillation (ENSO), which can be attributable to drought events and associated wildfires. Global climate change is predicted to increase the frequency of the ENSO phenomenon, resulting in further decline of Madagascar's natural environment.

Item Type: Article
Digital Object Identifier (DOI): doi:10.1098/rsta.2004.1476
Keywords: Madagascar, vegetation change, Enso (El Niño Southern Oscillation), Ndvi (Normalized Difference Vegetation Index)

ePrint ID: 58511
Date :
Date Event
15 January 2005Published
Date Deposited: 14 Aug 2008
Last Modified: 16 Apr 2017 17:36
Further Information:Google Scholar

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