Related by context. Frequent words. (Click for all words.) 58 treeline 52 montane 51 temperate forests 51 deciduous forests 50 timberline 50 dense brush 50 knolls 50 piñon 50 barrens 50 shelterbelts 50 riparian zones 49 lakeshores 49 wheat stubble 49 thickly wooded 49 glaciated 49 forested 49 soils 49 vegetation 48 coniferous trees 48 dense vegetation 48 grassy plains 48 aspen stands 48 evergreen forests 48 roadbeds 48 pasturelands 48 tussock 48 rock outcrops 48 termite mounds 47 lake sediments 47 conifer trees 47 dense woodland 47 vegetated 47 deciduous forest 47 glacial till 47 temperate zones 47 glaciers 47 receding glaciers 47 coulees 47 snowline 46 tall grasses 46 ridge tops 46 forest canopies 46 ridges 46 coniferous forests 46 drained soils 46 brushland 46 acidic soils 46 rocky outcroppings 46 leafless trees 46 dense undergrowth 46 lowland 46 granite cliffs 46 equatorial regions 46 rock outcrop 46 Soil moisture 46 coniferous 46 tundra 46 hillocks 45 aspen trees 45 lava flows 45 rock outcroppings 45 deadfall 45 dense foliage 45 melting permafrost 45 dense forests 45 moorlands 45 steep canyons 45 landform 45 tree canopies 45 micro climates 45 upslope 45 Greenland glaciers 45 temperate rainforest 45 junipers 45 foraminifera 45 mountain glaciers 45 bracken 45 boulder strewn 45 temperate regions 45 icy crust 45 landmasses 45 forest canopy 45 steeply sloping 45 meadows 44 shrubby 44 lowlands 44 prairie grasses 44 alfalfa fields 44 hay meadows 44 herbaceous plants 44 poleward 44 jack pine 44 tussocks 44 thick underbrush 44 Dry Valleys 44 grazing pastures 44 fescue grass 44 dryland wheat 44 savannas 44 atmospheric methane 44 permafrost