Envisioning "conservation as a consequence of production," Tompkins developed models of sustainable organic farming, which maintain soil health and ecological integrity at the same time that they provide for families and support the local economy [REF].
In the area around Pumalin, the Hornopiren, Vodudahue, Ventisquero, Pillan, and Reñihue farms serve as exemplars of small-scale ecological agriculture and as informal park ranger stations.