Overview: characteristics of renewable resources, major classes of renewable resources, resource degradation: overharvesting, characteristics of renewable resources, major classes of renewable resources, resource degradation: overharvesting. Characteristics: renewable resources have the ability to regenerate after they are harvested, potentially, they can be harvested forever without depletion, the key is to not harvest them faster than their regeneration, or to otherwise mismanage them. Important note: reliance on renewable resources is a core attribute of a sustainable economy; one that can run forever without depleting its essential base of natural resources. : recharged through the hydrological cycle resources: crops and site capability. Major kinds of renewable resources: fresh water, agricultural, forest resources, hunted animals, sunlight. : whales, seals, fish, deer, waterfowl (in its various manifestations): (see chapter 13: passive solar, wind, flowing water, biomass, photovoltaics. This may be due to natural salts, eutrophication, or contamination by fecal pathogens from livestock. Es1021g lecture 7: february 15, 2011: site capability.