The Location of Tropical Research Studies
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The location and focus of recent research in tropical forests. This is Figure 3 in Y. Malhi et al. (2014) Tropical forests in the Anthropocene. Annual Reviews in Environment and Resources. Volume 39. doi: 10.1146/annurev-environ-030713-155141. The data is available at the following address: http://dx.doi.org/10.6084/m9.figshare.1018762 A map of recent (2009-2013) field studies in the tropics reveals the dominance of research from Americas (~65% of the studies) relative to Africa (~13%), Asia-Australia (~16%) and small tropical islands (~6%) (A,B). Mesoamerica (~33%) is subject to considerably more study relative to its land area than other regions, with the 15 sq. km Barro Colorado Island in Panama accounting for ~10% of all field studies (C). From a thematic perspective, most recent studies (~58%) do not possess topic words indicating a focus on key drivers of environmental change in the Anthropocene. Where they do, this research focuses largely on either structural disturbance to the forest (e.g. deforestation, logging, fragmentation, etc.; ~49%) or atmospheric change (e.g. CO2, temperature, precipitation, etc.; ~29%). Fire, biotic mixing and defaunation together account for ~22% of the studies (D). Field studies in A-C) are identified from all papers with “tropical forest*” in the topic words through a search on ISI’s Web of Science for the journals Biotropica, Conservation Biology, Ecology, Global Change Biology, and Journal of Tropical Ecology (n = 321 articles, ~7% of all possible articles) between 2009-2013 following the methods of Pitman (2011 in Tropical Conservation Science). Research themes in D) are identified from all papers with “tropical forest*” and other topic words related to key drivers of change in the Anthropocene through a search on ISI’s Web of Science for all available journals (n = 4,982 articles) between 2009-2013.
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