2001
DOI: 10.5558/tfc77643-4
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Predictive equations for leaf area and biomass for sugar bushes in eastern Ontario

Abstract: In January 1998, an extensive ice storm caused severe damage to sugar bushes in Eastern Ontario. Foliage biomass and foliage area estimates were required to assess effects of the ice storm and remedial treatments on variables related to sugar maple production. Equations were developed to predict leaf biomass of undamaged individual sugar maple trees in the ice-damaged area. The data were collected in early to mid-August 2000 in eastern Ontario. Basal diameter of all third-order branches of 22 trees from two st… Show more

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Cited by 5 publications
(2 citation statements)
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“…Indicators at the individual leaf or branch levels typically include measures of plant physiological stress using direct (e.g., leaf chemistry) or indirect (e.g., chlorophyll fluorescence) methods (Sampson et a1.2000). At the tree scale, indicators measure structural or crown productivity parameters such as percentage crown loss, decrease in crown closure, branches remaining (Lautenschlager and Winters 2001) or foliar biomass (Ter-Mikaelian and Lautenschlager 2001). These are often aggregated over several samples to form an area-(plot-) based measure.…”
Section: Forest Ice Storm Damagementioning
confidence: 99%
“…Indicators at the individual leaf or branch levels typically include measures of plant physiological stress using direct (e.g., leaf chemistry) or indirect (e.g., chlorophyll fluorescence) methods (Sampson et a1.2000). At the tree scale, indicators measure structural or crown productivity parameters such as percentage crown loss, decrease in crown closure, branches remaining (Lautenschlager and Winters 2001) or foliar biomass (Ter-Mikaelian and Lautenschlager 2001). These are often aggregated over several samples to form an area-(plot-) based measure.…”
Section: Forest Ice Storm Damagementioning
confidence: 99%
“…However, ground-based branch counters were instructed to count third-order branches that were 5.0 cm or larger while, to better document foliar biomass, the tree-based branch counter recorded branches that were between 2.5 to 5.0 cm (Ter-Mikaelian and Lautenschlager 2001).…”
Section: Methodsmentioning
confidence: 99%