Relationships between crown condition and its determining factors in the Netherlands for the period 1984 to 1994

C.M.A. Hendriks, A.F.M. Olsthoorn, J.M. Klap, P.W. Goedhart, J.H. Oude Voshaar, A. Bleeker, F. de Vries, C. van der Salm, J.C.H. Voogd, W. de Vries, S.M.J. Wijdeven

Research output: Book/ReportReportProfessional

Abstract

From 1984 to 1994 forest condition in the Netherlands was estimated by recording defoliation and discolouration in 3000 plots. In this study the defoliation classes for this eleven years' period was related to possible stress factors such as deposition, soil chemistry and soil moisture. The data for most of the stress factors were derived using a site-specific model, since no measured data are available. The relationship was assessed by a split plot analysis. Results show that deposition and climaticstand, site and biotic factors contribute significantly to the explanation of defoliation, although percentages accounted for are low.
Original languageEnglish
Place of PublicationWageningen
PublisherAlterra
Number of pages69
Publication statusPublished - 2000

Publication series

NameAlterra-rapport
No.161

Keywords

  • crown
  • forestry
  • defoliation
  • discoloration
  • stress factors
  • forest damage
  • monitoring
  • time series
  • netherlands
  • forest stands

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