Grubs in Space: Dispersion Patterns of Japanese Beetle Larvae and the Influences of Vegetation, Adult Beetles, and Soil PropertiesCornell University, 1999 - 356 pages |
Contents
Materials and Methods | 6 |
1 Tuscarora central fairways sampling and vegetation | 10 |
1 Summary of covariates | 16 |
28 other sections not shown
Common terms and phrases
45 meters adult activity adult activity index adult beetle adult populations appeared associated average block calculated central fairways changes classes clay content comparison consistent continuity correlated correspond covariate effects damage decline defined dependence depressed determined differences discussed distance to nearest distribution dotted lines edge estimates expected field Figure function gauge plots gradient grub dispersion patterns grub populations Grubs per Sample heat high organic matter higher included independent indicator influence kriged less linear locations lower mean grub density measure moderate moisture nearest tree non-spatial number of trees observed om.e organic matter content organic matter flexure oviposition p-value parameter patches population density quantile range regression trees relationship relative organic matter represent resp result roughs scale shade Smoothing soil organic matter soil properties spatial bootstrap standardized statistically significant supersmoother Table tend trees within 45 values variable variance variation vegetation index vertically