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Acid Deposition Long-Term Trends (1986) / Chapter Skim
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Appendix A: Method for Sampling and Analysis of Red Spuce Data
Pages 435-440

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From page 435...
... to determine the percentage of dead spruce across a variety of size classes, and (3) to obtain increment cores to determine canopy age and for tree ring analysis.
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From page 436...
... This subset included some cored trees from the intermediate elevation transects as well as spruce from nearby if all spruce at the sampling point were class 3 or 4. Occasionally class 3 trees were sampled if they were the only ones available.
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From page 437...
... 437 TABLE A 1 Determination of the Extent of Deterioration in Red Spruce at Selected Sites in the Eastern United States c' c' cq 0 ~ ~ ~ ~ ~ ~ _ ~ O ~ ~ ~ ~ ~ ~ ~ v: ~ ~ ~ ~ ~ ~ ~ ~ 0 0 ~ ~ ~ ~ ~ =.> Site Name Z Mt.
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From page 438...
... v: ~ 0 0 ~ ~ ~ ~ ~ =.> Site Name Z ~ ~ ~ ~ ~ m Mt. Mansfield, West 020 35 05 25 35 0950 22 019 26 21 05 47 0900 30 020 25 20 15 40 0850 32 020 35 25 15 25 0800 24 Whiteface Mtn., East 020 10 10 45 35 1110 28 019 16 42 26 16 1060 31 017 24 47 18 12 1000 42 018 56 28 00 17 0950 30 014 50 29 14 07 0900 28 014 00 79 00 21 0850 41 019 00 63 21 16 0800 40 016 38 56 00 06 0750 33 020 50 35 05 10 0700 30 020 45 40 10 05 0650 27 Whiteface Mtn., West 019 26 21 21 32 1220 34 020 00 20 40 40 1150 34 014 14 14 29 43 1070 34 020 25 20 25 30 1000 36 018 28 44 00 28 0950 42 017 47 24 06 24 0910 38 020 70 10 10 10 0850 52 019 68 26 00 05 0780 40 018 56 17 00 28 0720 40 020 75 15 00 10 0670 34 Hunter Mtn.
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From page 439...
... low-frequency variance caused by longer-term fluctuations involving factors, such as tree age or stand development, or long-term climatic changes that have periods of influence typically extending over several years or decades. To describe the low-frequency variations in growth over the tree's life cycle, cubic spline functions (Biasing et al.
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From page 440...
... 1975. A technique for examining non-climatic variation in widths of annual tree rings with special reference to air pollution.
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Key Terms

  • tree ring
  • cored tree
  • tree rings
  • tree age
  • mount mansfield

  • whiteface mountain
  • site name
  • width series
  • mount washington
  • time intervals

  • ring index
  • ring measured
  • nearest spruce
  • dead spruce
  • major disturbance

  • elevation transects
  • spline functions
  • operating weather
  • dbh class
  • balsam fir

  • weighted moving
  • hardwood dominated
  • arbitrary distance
  • stand basal
  • nearest live

  • positive bias
  • dendroclimatic studies
  • weather stations
  • influence typically
  • forest response


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