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… Many of today’s key crops originated in drylands: wild grasses that would become wheat and barley in south-west Asia; maize, squashes and beans in Mexico and wild potatoes in Peru. Today protected areas are important … appropriate biodiversity indicators (not restricted to flora) in all assessment and monitoring systems as well as …

… AN ESSENTIAL COMPONENT FOR THE ESTABLISHMENT OF WILD PLANTS ON "TEPETATES" NAVA GUTIÉRREZ, YOLANDA ; SANTIAGO … a striking lack of regeneration. The population of the wild fruit tree S. tuberosa nearly exclusively consisted of … these studies, knowledge on the establishment of natural flora in these areas has not been considered, neither the …