Agroforestry 1 Agroforestry and Multipurpose Trees: Community, Farm and Social Forestry 1 Agroforestry systems 1 Biodiversity 1 Biological Resources (Animal) 1 Biological Resources (Plant) 1 Ecology (General) 1 Forest management 1 Forests 1 Grasslands and Rangelands 1 Land management 1 Natural Resource Economics, (New March 2000) 1 Pastures 1 Productivity 1 Silviculture and Forest Management 1 Silvopastoral systems Sustainability 1