Individual-tree distance independent diameter growth models were developed for black spruce and jack pine plantations. Data used in this study came via stem analysis on 1170 black spruce (Picea mariana [Mill.]B.S.P.) and 800 jack pine (Pinus banksiana Lamb.) trees sampled from 75 stands of 25 even-aged monospecific plantations for each species in the Canadian boreal forest region of northern Individual-tree diameter growth model for black spruce and Individual-tree distance independent diameter growth models were developed for black spruce and jack pine plantations. Data used in this study came via stem analysis on 1170 black spruce (Picea Black spruce and jack pine dynamics simulated under varying fire ...
Jack Pine - Pinus banksiana - North American Insects & Spiders
The postfire regeneration dynamics of black spruce and jack pine were documented by a study of three successive cohorts (woody debris, snags, seedlings) within a large area burnt in 1989. The objectives of this study were (i) to describe how fire interval can influence the abundance of regenerating ... Jack Pine Forest - Maine.gov In the limited area from which this type is known in Maine, most of the jack pine forest has been clearcut within the last 25 years and is now growing back as young jack pine forest. In areas where mature jack pine has not been cut, regeneration is primarily red or black spruce. Climate‐diameter growth relationships of black spruce and ... B.S.P.) trees in boreal Ontario, we modified an existing diameter growth model to include climate variables. Diameter chronologies of 927 jack pine and 1173 black spruce trees, growing in the area from 47°N to 50°N and 80°W to 92°W, were used to develop diameter growth models in a nonlinear mixed‐effects approach.
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Dec 12, 2004 · The postfire regeneration dynamics of black spruce and jack pine were documented by a study of three successive cohorts (woody debris, snags, seedlings) within a large area burnt in 1989. The objectives of this study were (i) to describe how fire … Climate‐diameter growth relationships of black spruce and Sep 23, 2012 · B.S.P.) trees in boreal Ontario, we modified an existing diameter growth model to include climate variables. Diameter chronologies of 927 jack pine and 1173 black spruce trees, growing in the area from 47°N to 50°N and 80°W to 92°W, were used to develop diameter growth models in a nonlinear mixed‐effects approach. Variable-exponent taper equations for jack pine, black Aug 23, 2004 · The stands were composed of approximately 73% jack pine, 26% black spruce and the remainder birch. In total, 147 trees (47, 51, and 49 trees from stands aged 50, 70, and 90 years, respectively) were collected for the evaluation. The evaluation data for black spruce came from Northern Ontario and were provided by the Ontario Forest Research
Carleton, Tj, 1982: The pattern of invasion and establishment of Picea mariana (Mill.) BSP, into the subcanopy layers of Pinus banksiana Lamb. dominated stands Black spruce, jack pine, Canada
Mensurational data were collected from fixed-area plots in 32 plantations (15 jack pine; 17 black spruce; age 6–64 y) and 21 fire-origin conifer-dominated stands ... Assessing the Influence of Climate—Water Table Interactions on ... 1 September 2014 Assessing the Influence of Climate—Water Table Interactions on Jack Pine and Black Spruce Productivity in Western Central Canada. Thinning Effects on Jack Pine and Black Spruce ... - Semantic Scholar Jack pine and black spruce responses to thinning should be interpreted in light of species autecology. Keywords light, nitrogen, Picea mariana, Pinus banksiana ... Climate‐diameter growth relationships of black spruce and jack pine ... 23 Sep 2012 ... Diameter chronologies of 927 jack pine and 1173 black spruce trees, growing in the area from 47°N to 50°N and 80°W to 92°W, were used to ...
Jack pine | CFCG
defoliates mature jack pine. The jack pine budworm, native to North America, has a range that coincides almost exactly with jack pine, its preferred host. Root borers, root feeders, shoot and stem borers, leaf feeders, needle miners, and sucking insects affect the survival and growth of seedlings. Many other insects feed on jack pine cones. Plant Life - Taiga The Jack Pine is a tree that is abundant across much of canada from the eastern side of the Rocky Mountains to Nova-Scotia. This tree rarely grows straight. This pine has waxy needles and rough bark that protect it from dehydration caused by cold winds. These features also protect it from forest fires that are common in the taiga. Picea mariana - US Forest Service
Cold hardiness of white spruce, black spruce, jack pine, and lodgepole pine needles during dehardening - Canadian Journal of Forest Research Conifer winter damage results primarily from loss of cold hardiness during unseasonably warm days in late winter and early spring, and such damage may increase in frequency ... Carbon distribution and aboveground net primary production in aspen, jack pine, and black spruce stands in Saskatchewan and Manitoba, Canada