The enlargement of 21 canopy gaps associated with the root pathogen Heterobasidion annosum (Fr.:Fr.)
Bref. (; Fomes annosus (Fr.) Karst.) in the mixed-conifer forest of Yosemite Valley was monitored between 1971 and
1998. Mean expanded gap area was 232 m2 (range 38–802 m2) in 1971 and 1455 m2 (range 150–4216...
Because studies of forestry effects on wetlands have been so infrequent in the Pacific Northwest, each section in this report drew heavily from studies of forestry impacts to streams and riparian zones. After assembly and synthesis, that information was extrapolated, mostly in the form of hypotheses, to the very different...
This study is the first in a series of studies to evaluate perceptions of USDA Forest Service law enforcement personnel of the roles, responsibilities, and issues entailed in their jobs. An email survey was administered to 404 law enforcement officers (LEOs) in national forests across the United States. In all,...
This study is the second in a series of studies to evaluate perceptions of USDA Forest Service law enforcement personnel of the roles, responsibilities, and issues entailed in their jobs. An e-mail survey was administered to the nine Forest Ser-vice special agents in charge (SACs) across the United States. All...
This is the third in a series of studies to evaluate perceptions of USDA Forest
Service law enforcement personnel of the roles, responsibilities, and issues entailed
in their jobs. An e-mail survey was administered to the 79 Forest Service patrol
captains and patrol commanders (PCs) across the United States. Seventy...
This is the fifth in a series of studies to evaluate perceptions of the roles, responsibilities,
and issues entailed in the jobs of U.S. Department of Agriculture Forest
Service law enforcement and investigations (LEI) personnel. An e-mail survey
was administered to the 537 Forest Service forest supervisors and district rangers...