The whole region is dependent in its development on the fluctuations in the price of wool. Within National Parks, the principal problem is persistence of populated areas, although their overall impact is not great. It protects impressive remnants of the Jurassic petrified forest. Return to Top Map 80. Puerto Madryn, Argentina.
Regiones fitogeogr ficas argentinas .
Editorial Acm , Buenos Aires. Biogeograf a de Am rica Latina . No. 13, Washington, D.C. 117 pp. Flora patag nica . Servicio Nacional de Parques Nacionales, Buenos Aires.