Land-clearing fires set by settlers in the Brazilian Amazon give rise to large scale wildfires that threaten mature forests, agricultural plantations, and settlement areas. Our purpose is to examine labor devoted to fire prevention (firebreak establishment) and burning for crop production for...

New Zealand experienced dramatic restructuring programsafter the Labor party won the national elections in 1984.Deregulation of price controls, removal of the log exportban, and privatization of public assets were the mainshocks to the forest sector. The purpose of this paper isto analyze the...

Physiological process models, productivity studies, andwildlife abundance studies all require accuraterepresentations of tree crowns. In the past, geometricshapes or flexible mathematical equations approximatinggeometric shapes were used to represent crown profiles.Crown profile of loblolly pine...

Documentation of Productivity and Efficiency Relationships for a Group of Southern Logging Contractors Michael J. Walter William B. Stuart, Chair (ABSTRACT) A case study examined contractor demographics, business characteristics, costs and production information from twenty-three tree-length...

A group of 22 independent southeastern U.S. logging contractors provided 44 contractor-years of detailed cost and production information. Information was collected on demographics, operational characteristics, and business strategies for the participants.Precipitation was statistically proven to...