THE RATE OF ADVANCE OF STAND-OPENING DISEASE OVER A TEN-YEAR PERIOD IN WHITE SPRUCE AT CANDLE LAKE, SASKATCHEWAN | Zendy

R. D. Whitney | Zendy; H. van Groenewoud | Zendy

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THE RATE OF ADVANCE OF STAND-OPENING DISEASE OVER A TEN-YEAR PERIOD IN WHITE SPRUCE AT CANDLE LAKE, SASKATCHEWAN

Author(s) -

R. D. Whitney,

H. van Groenewoud

Publication year - 1964

Publication title -

the forestry chronicle

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.335

H-Index - 49

eISSN - 1499-9315

pISSN - 0015-7546

DOI - 10.5558/tfc40308-3

Subject(s) - basal area , diameter at breast height , white (mutation) , forestry , candle , standing crop , biology , crop , horticulture , geography , agronomy , biomass (ecology) , biochemistry , electrical engineering , engineering , gene

Trees tallied in 1952 on two plots, 51 and 38 years old at breast height, in stand-opening diseased areas, were re-examined after a 10-year period. Of the non-suppressed white spruce, the number of healthy trees decreased by 20 and 30 per cent on the two plots respectively; the dead trees increased by 21 and 16 per cent. Losses through mortality of potential crop trees from these stands indicate that few trees will survive to reach saw timber size. The net change in basal area of living white spruce was minus 24 per cent and 0 per cent on the two plots.

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