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Over half a million hectares of agricultural terraces still exist in Peru, providing striking evidence of the achievements of ancient civilizations. Terraces formed the foundation of Inca food security, providing soils of good quality and moisture retention for the cultivation of maize, potatoes, and other crops. Combined with efficient gravity irrigation systems, they produced large amounts of food for populations comparable to those of the Andes today. Food surpluses were kept in specially designed storehouses, which still impress visitors.
Mountain ecosystems are a major source of the world's biological diversity, water, energy, and forest products. About 80% of the planet's fresh water supplies originate in mountain areas. Many of the world's most important food crops evolved in the unique micro-ecologies found in mountain valleys. Mountains account for 20% of the world's landscape and are home to at least 10% of the earth's people. However, management of their natural resources affects over 40% of the world population that live in adjacent ecosystems (chapter 13, Agenda 21). Mountains are also frequentlyassociated with...
This paper aims present the integration and management of knowdelget in a holistic way for an effective application of systems analysis research to an eco-regional contex.