I have been doing a lot of research on deforestation the last couple of days.  Obviously it is happening in Madagascar, and without question the deforestation has been extensive.  I have found several articles and websites that detail the extent of the deforestation.  Admittedly a bit depressing, but it is always helpful to understand the size of the problem.

Here is a great article which chronicles the deforestation in Madagascar over half a century.

Fifty years of deforestation and forest fragmentation in Madagascar:

http://journals.cambridge.org/abstract_S0376892907004262