Natural Resources Canada, Canadian Forest Service, Great Lakes Forestry Centre, 1219 Queen Street East, Sault Ste. Marie, ON P6A 2E5, Canada, Northern Research Station, USDA Forest Service, 1992 Folwell Ave, St. Paul, MN 55108, USA, Southern Research Station, Eastern Forest Environmental Threat Assessment Center, USDA Forest Service, 3041 Cornwallis Road, Research Triangle Park, NC 27709, USA, ...

Natural Resources Canada, Canadian Forest Service, Great Lakes Forestry Centre, 1219 Queen Street East, Sault Ste. Marie, ON P6A 2E5, Canada, USDA Forest Service, Southern Research Station, Eastern Forest Environmental Threat Assessment Center 3041 Cornwallis Road, Research Triangle Park, NC 27709, USA, Department of Natural Resources and the Environment, University of New Hampshire, 114 James ...

Nacrtak Forest roads provide access for people to study, enjoy or contemplate natural ecosystems. Therefore, roads are one of the most important tools needed in forestry. Forest roads are built by excavation of soil and rock. Rockfall occurs during construction works, caused by excavated rock pieces on embankment slopes and by blasting of block rock masses. This study analyzes rockfall damage t...

Roads are widely said to be one of the most important predictors of frontier expansion and deforestation in tropical forest regions, across a range of land dynamics . Though they are widely studied, careful documentation of the magnitude of roads’ impacts is in fact relatively scarce. Not infrequently, a simple aerial or satellite snapshot is said to ‘document’ the impacts of reduced transport ...

Some coupled land-climate models predict a dieback of Amazon forest during the twenty-first century due to climate change, but human land use in the region has already reduced the forest cover. The causation behind land use is complex, and includes economic, institutional, political and demographic factors. Pre-eminent among these factors is road building, which facilitates human access to natu...

Road expansion and associated increases in bunting pressure are a rapidly growing threat to African tropical wildlife. In the rainforests of southern Gabon, we compared abundances of larger (>1 kg) mammal species at varying distances from forest roads and between hunted and unhunted treatments (comparing a 130-km2 oil concession that was almost entirely protected from bunting with nearby areas ...

Department of Forest Engineering, Resources and Management, 280 Peavy Hall, Oregon State University, Corvallis, OR 97331, USA b School of Forestry and Wildlife Sciences, Auburn University, 3301 SFWS Building, Auburn, AL 36849, USA c School of Forest Resources and Conservation, P.O. Box 110410, University of Florida, Gainesville, FL 32611, USA USDA Forest Service, Southern Research Station, 3041...

in this research the productivity and cost of komatsu d60 bulldozer in earth working operations of secondary forest road was studied in lolet forests, lied in one of the tajan river watersheds. the daily work elements of the machine including productive time, unproductive time, technical, operational and personal delays for 12 days and in two slopes of 30 to 50 and 50 to 70 percents were invest...