reforesting, cypress pine, virgin forest, riparian forest, revegetate, soil erosion, overexploit, faming, overgrazed, prosopis juliflora, logging, urbanise, buffel grass, cork oak, holm oak, grazing, mineral extraction, deforested, quarrying, peat bog, sitka spruce, sierra morena, vegetated, sequoia sempervirens, shortleaf pine, milk vetch, garry oak, felling, orange hawkweed, subalpine fir, despoiling, woodcutting, replanting, eastern lowland gorilla, reed canary grass, upland, denuded, eastern ghats, pollute, blister rust, western ghats, landfilling, marram grass, industrialize, scotch thistle, western larch, madre de dios, urban sprawl, overgrowing, douglas fir, limber pine, mallee fowl, pinus radiata, woodland caribou, arundo donax, discing, ambrosia beetle, hevea brasiliensis, longleaf pine, noncontributing, butternut tree, sage brush, depredating, disking, tussock grass, harvesting, diked, jack pine, environmentally sound, siberian elm, quaternary period, opencast mining, namib desert, desiccating, densify, mined, sere, tiger beetle, strawberry guava, foxtail barley, river basin, pollarding, whin, gasifying, tansy ragwort