sentences:  Mesoamerican pine-oak forests
  
  The Mesoamerican pine-oak forests is a composite ecoregion of southern Mexico and Central America, designated by the World Wildlife Fund as one of their Global 200 ecoregions, a list of priority ecoregions for conservation.These forests include montane subtropical forests where pine and oak trees predominate, stretching across several major mountain ranges, including the Trans-Mexican volcanic belt and the Sierra Madre del Sur.