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From the text...'Preservation of rare species and communities is a noble conservation goal, but it has two unfortunate drawbacks: it promotes a piecemeal approach to preservation, and it frequently results in species or communities being ignored...

Person: Myers, Ewel, Myers, Ewel
Year: 1990
Type: Document
Source: TTRS

From the summary:'Experimental study on the visibility through fire smoke was carried out. The relation among the brightness of sign, visual distance, and the extinction coefficient of smoke at the instant of obscuration threshold was obtained by...

Person: Jin
Year: 1970
Type: Document
Source: TTRS

From the text ' Under specific circumstances it has been shown that prescribed burning can be used: (1) to reduce fuel accumulation from logging and slashing and the hazard of accidental fire; (2) to prepare seedbeds and reduce competition for...

Person: Pechanec
Year: 1970
Type: Document
Source: TTRS

The advantages of using prescribed fire to fulfill certain land management objectives in the southern United States are well known. Fire is often the most economical tool available for preparing planting sites, improving forage conditions on ranges,...

Person: Ward, Dieterich
Year: 1970
Type: Document
Source: TTRS

Major aspects of the circulation through the atmostpheric environment of a number of gaseous nitrogen pollutants have been estimated, including source magnitudes, residual atmospheric concentrations,and scavenging processes. The compounds considered...

Person: Robinson, Robbins
Year: 1970
Type: Document
Source: TTRS

Costs and effectiveness of fire control, need for hazard reduction, slash disposal policy, history of slash burning, opportunities for prescribed burning, as well as fire effects, costs and benefits are described breifly. Most attention is given to the...

Person: Smith
Year: 1970
Type: Document
Source: TTRS

An aerial ignition system using and incendiary device and a helicopter can be used to backburn a large area safely and completely. The system was used to backburn 4,800 acres and helped bring under control a large fire in February 1986. The system and...

Person: Hodgson, Cheney
Year: 1970
Type: Document
Source: TTRS

These smoke management guidelines are directed to the experienced prescribed burner who is knowledgeable about fire behavior. The objectives are to manage the production and dispersion of smoke when prescribe burning to prevent any adverse impact on...

Person: Mobley
Year: 1990
Type: Document
Source: TTRS

Recreation is of increasing importance in forest environments. Fire has both short-term effects, trail closures, smoke impacts; and long-term effects, residual 'scars,' potential hazards, on forest recreation. The general public is gaining...

Person: Krammes, Taylor
Year: 1990
Type: Document
Source: TTRS

We conclude that HRV did form during an intense Montana wildland fire on a mountain face that was observed by the junior author. This article describes the phenomenon.

Person: Haines, Lyons
Year: 1990
Type: Document
Source: TTRS