- Environmental affinity of the guanaco (Lama guanicoe Muller, Camelidae) in two selected areas of Central Patagonia supported by ERS-1 SAR data H.F. del Valle, D.A. de Lamo Centro Nacional Patagnico (CENPAT), CONICET, CC128, (9120) Puerto Madryn (Chubut), Argentina Universidad Nacional de la Patagonia (UNPSJB) D.A. Gagliardini Centro Argentino de Estudios de Radiocomunicaciones y Compatibilidad ...esapub.esrin.esa.it/eoq/eoq55/vall55.htm