Rio de Janeiro, Feb 22 (EFE).- Brazil's portion of the Amazon rainforest lost between August 2013 and January this year some 1,162.5 sq. kilometers (448.8 sq. miles) of woodland, an area 19 percent less than the amount deforested between August 2012 and January 2013, which was 1,427 sq. kilometers (551 sq. miles), the government said.