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A ground-survey method for estimating loss caused by Phellinus weirii root rot. II. Survey procedures and data analysis / W.J. Bloomberg, P.M. Cumberbirch and G. W Wallis. : Fo29-5/4E-PDF

"Procedures are described for designing a ground-survey for Phellinus weirii root rot in forest stands. Office procedures include selection of baseline location and number, location and width of transect lines. Field procedures include measurement of infection centers by intersection length, rectangular, radialor linear methods. Five survey method options include measurement of infection centers, estimation of infection center area, assignment of infection centers to size classes, measurement of intersection length, and assignment of intersection length. Methods for recording, analyzing and summarizing field data are described for intersection length and probability of occurrence methods. A computer program for analyzing and mapping the data is described. Three mapping options provide a range of detail in maps of infection centers."--Summary, page 2.

Lien permanent pour cette publication :
publications.gc.ca/pub?id=9.870426&sl=1

Renseignements sur la publication
Ministère/Organisme
  • Canada. Environment Canada.
  • Canadian Forestry Service.
  • Pacific Forest Research Centre.
TitreA ground-survey method for estimating loss caused by Phellinus weirii root rot. II. Survey procedures and data analysis / W.J. Bloomberg, P.M. Cumberbirch and G. W Wallis.
Variante du titre
  • Survey procedures and data analysis
Titre de la série
  • [Report] ; BC-R-4
Type de publicationMonographie - Voir l'enregistrement principal
Langue[Anglais]
FormatTexte numérique
Document électronique
Note(s)
  • Cover title.
  • Includes bibliographical references (page 23).
  • Includes summary in French.
Information sur la publication
  • Victoria, B.C. : Environment Canada, Canadian Forestry Service, Pacific Forest Research Centre, October 1980.
Auteur / Contributeur
  • Bloomberg, W. J., author.
  • Cumberbirch, Peter Mark, 1948- author.
  • Wallis, G. W., author.
Description1 online resource (44 pages) : illustrations.
Numéro de catalogue
  • Fo29-5/4E-PDF
Descripteurs
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