[PDF] Tree Failures And Accidents In Recreation Areas eBook

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Tree Hazards

David Winslow Johnson
Tree Hazards by David Winslow Johnson PDF

Author : David Winslow Johnson
Publisher :
Page : 20 pages
File Size : 50,82 MB
Release : 1981
Category : Forest reserves
ISBN :

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Defective trees are potential hazards to people and property in recreation areas. Most reported tree failures within recreation sites in the Rocky Mountain Region occur in lodgepole pine. Defective root systems account for the greatest percentage of failures. External indicators of defects are used to identify trees that may fail. Some tree species, particularly aspen, are highly susceptible to visitor damage; managers should restrict recreational development in such forest types. Old growth spruce-fir stands should also be avoided for developed sites. Systematic, annual, documented inspections of trees in recreation sites and corrective action are recommended to reduce hazards to the public.

Monthly Catalog of United States Government Publications

United States. Superintendent of Documents
Monthly Catalog of United States Government Publications by United States. Superintendent of Documents PDF

Author : United States. Superintendent of Documents
Publisher :
Page : 1228 pages
File Size : 32,73 MB
Release : 1978
Category : Government publications
ISBN :

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February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index