Spatial patterns of Douglas-fir and aspen forest expansion

Agriculture & Biology

• Pseudotsuga menziesii 100%
• adventitious shoots 84%
• seedlings 45%
• grasslands 38%
• valleys 26%
• Pseudotsuga 22%
• land use planning 21%
• ecotones 18%
• Populus tremuloides 18%
• planning 13%
• analysis of variance 11%
• testing 5%

Earth & Environmental Sciences

• seedling 74%
• grassland 36%
• regeneration 25%
• valley 20%
• ecotone 17%
• land use 9%
• rate 9%
• planning 9%
• resource 8%
• index 7%
• test 5%
• effect 3%