Adapting the census mapping application to use INEGI’s data for Mexico

INEGI, the Mexican institute for national statistics and geography, place large quantities of data in the public domain. Geographical data is now provided through an efficient map server. However most socio economic data is only available directly in the form of Excel spreadsheets from the descarga masiva site. http://www3.inegi.org.mx/sistemas/descarga/ These data vary in quality but…

Quick analysis of forest fragmentation using the new global deforestation map

In my last post I looked at some general patterns of deforestation in Central America as shown by the recent publication by Mathew Hansen and collaborators. http://www.sciencemag.org/content/342/6160/850 The data are available for interactive browsing here. http://earthenginepartners.appspot.com/science-2013-global-forest The layers have been made public, and the authors anticipate widespread use of the information. However it will not…

Building more informative climate layers for species distribution modelling

The Worldclim data set is a fantastic resource for species distribution modelling. Not only does it include quality controlled monthly temperatures (minimum and maximum) and precipitation data but it also provides 16 derived bioclimatic layers that are designed to be universally applicable and interpretable. These layers are quite simple functions of the original data and…