“…Sometimes, however, afforestation has unexpected negative effects, such as plant invasion (Weber, 2003;Cierjacks et al, 2013), biodiversity impoverishment (Sitzia et al, 2012;Trentanovi et al, 2013), no positive effects on control of soil erosion , the issue of forest fires (Mataix-Solera et al, 2011;Pereira et al, 2015). It has been an intense matter of debate (Le Houerou, 2000;Cao et al, 2011).…”