A Survey Procedure to Inventory Ponderosa and Lodgepole Pine Mortality Caused by the Mountain Pine BeetleForest Service, 1985 - Broj stranica: 27 |
Uobičajeni izrazi i fraze
36 22-acre subplots Accumulated photo interpretation add column 21 aerial photographer aerial sketch mapping Colorado DATA ANALYSIS WORKSHEET effective photo area error trees R.S.E. error volume R.S.E. faders film Forest Pest Management FORM 9 Fort Collins ground checked infesta lodgepole pine MAP SCALE Methods Application Group mountain pine beetle Mylar National Forest number of photo orthophoto outbreak polygons photo interpretation count photo plot centers Photo Plot ID photo plot selection photo scale Photo Subplot Photointerpretation Pine YEAR 83 plication Group plot selection worksheets PRINT TAB 50 R.S.E. Tree random number Relative standard error SAMPLING ERROR sampling interval secondary sampling units sketch map survey SPECIES Ponderosa Pine Standard error trees Standard Error volume stereo triplets Subplot 1 Subplot Sum of expanded Sum of squares terrain tion Total tree count tree mortality TREE SPECIES Ponderosa Tree Y Tree trees S.E. Tree USDA Forest Service Vol Y Vol volume S.E. Vol ΣΫ