Aboveground net primary productivity 1 Allometric equations 1 Biofuels 1 Climate change 1 Degraded ecosystems 1 Ecosystems 1 Efficiency 1 Feedstocks 1 Forested watersheds Forestry 1 Great Plains 1 Integrated sources 1 Juniperus virginiana 1 Oklahoma [United States] 1 Panicum virgatum 1 Plants (botany) 1 Quercus 1 Quercus spp 1 Southern great plains 1 United States 1 Water supply 1 Water use efficiency 1 Watersheds 1 Woody-plant encroachments 1 aboveground net primary production 1 aboveground production 1 biofuel 1 biofuel feedstock 1 cross timbers 1 cultivation 1