mexico home 50 species of pine (about half of pine species) , 200 species of oak (about third of oak species). estimated temperate forests in mexico contain 7,000 species of plants.
monarch butterfly forests
monarch butterflies clustering on trunks , branches of oyamels.
the monarch butterfly biosphere reserve contains over-wintering habitats of eastern population of monarch butterfly. reserve located in trans-mexican volcanic belt pine-oak forests ecoregion on border of michoacán , mexico state. millions of butterflies arrive in preserve annually. butterflies inhabit fraction of 56,000 hectares of reserve october–march. biosphere s mission not protect butterfly species, habitat well. composition of forest varies altitude:
oak species 2900 metres above sea level
oak , pines between 1500 , 3000 masl
oyamel fir between 2400 , 3600 masl.
^ bosques templados . comisión nacional para el conocimiento y uso de la biodiversidad. retrieved 23 february 2015.
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