1. It looks great and it has a similarity to my nation of Ethiopia, but can we call weeds like Prosopis juliflora a forest that covers more than 0.5 ha of land, higher than 5 meters? A specific place like the Afar region of Ethiopia, ranges are covered with such a weed type tree. 

2. I think the background only miss clarification like the ground condition with pieces of literature, the other is the best 

4. For trend estimate quadrant estimation will be good for few years, then arranging an index can be advisable, at last having a conversion factor of environmental variability, disease and others might be advisable, at last, it will be easy to forecast applying simulation method will be good 

5. Capacitate human resources, organize funds and use Capi-based data collection methodology that can be tracked with satellite GPS and easily converted the data to the database system.