boreal tree species
Development of an improved model estimating the nutrient content of the bole for four boreal tree species
... of tree boles was developed for four boreal tree species (Populus tremuloides ...with tree size. For all species–nutrient combinations, no significant pattern was found for ...
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Sapling size influences shade tolerance ranking among southern boreal tree species
... the tree species considered the most intolerant of shade (aspen) actually had decreased mortality with increases in size, contrary to our second hypothesis and not explicable by most ecophysiological ...
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Impact of Future Climate on Radial Growth of Four Major Boreal Tree Species in the Eastern Canadian Boreal Forest
... in tree responses to climate ...major boreal species Betula papyrifera, Pinus banksiana, Picea mariana, and Populus tremuloides along a broad latitudinal gradient in eastern Canada under future ...
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Ecophysiological modeling of photosynthesis and carbon allocation to the tree stem in the boreal forest
... the boreal forest, to- gether with its associated environmental factors and mecha- nistic rules, is crucial to accurately predict boreal forest car- bon stocks and fluxes, which are significant components ...
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Beneficial effects of climate warming on boreal tree growth may be transitory
... abundant boreal tree species in Eastern Canada (black spruce, Picea mariana; white spruce, Picea glauca; balsam fir, Abies balsamea; jack pine, Pinus banksiana; aspen, Populus tremuloides; white ...
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Tree light capture and spatial variability of understory light increase with species mixing and tree size heterogeneity
... different species and sizes occupy complementary positions in space which would act as a mechanism to increase canopy light interception and wood ...all species to regenerate and to maintain forest ...
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Modelling tree ring cellulose δ18O variations in two temperature-sensitive tree species from North and South America
... Schlatter, J.: Requerimientos de sitio para la lenga, Nothofagus pumilio (Poepp. et Endl.) Krasser, Bosque, 15, 3–10, 1994. Shi, C., Daux, V., Zhang, Q. B., Risi, C., Hou, S. G., Stievenard, M., Pierre, M., Li, Z., and ...
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Impacts of stress and disturbance on biological nitrogen fixation and tree nutrition in the boreal forest
... Heavy metal deposition may not only decrease BNF rates, but may also shift the uptake rates of various macronutrients. For example, Cu contamination was shown to increase P concentration in P. schreberi moss tissues ...
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Linking multiple-level tree traits with biomass accumulation in native tree species used for reforestation in Panama
... each tree base using a ...each species) and 48 1-year-old seedlings (n = 10 for each species, except for Hc and Ls, where n = 9) were mea- ...of tree heights within each species and in ...
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Tree light capture and spatial variability of understory light increase with species mixing and tree size heterogeneity.
... Study species We selected four species for which allometric relationships required to compute canopy light transmittance with three- dimensional radiative transfer models ( Ligot et ...which species ...
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Adventitious root formation in tree species: involvement of transcription factors
... Populus , for which clonal propagation is a requirement. There have recently been important developments in the molecular genetics and genomics of Populus, resulting in a consensus among the scientific community for ...
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Biomass distribution among tropical tree species grown under differing regional climates
... native tree species for com- merce, local consumption, and to replant on abandoned agricultural ...exotic tree species growing in replicated species selection trials in Panama under ...
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Tree light capture and spatial variability of understory light increase with species mixing and tree size heterogeneity
... Increasing tree species diversity increase tree light capture and also, in some cases, the variability of understory light conditions • Increasing structural heterogeneity does not increase ...
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The size at reproduction of canopy tree species in central Africa
... measured tree diameter at breast height (dbh) or 30 cm above buttresses prior to ...some species, they monitored twice monthly during specific periods to ensure the capture of flowering and/or fruiting events ...
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Climatically controlled reproduction drives interannual growth variability in a temperate tree species
... Our multi-group model reproduced elements of the indepen- dent RWI series across the species’ geographic distribution, with higher correspondence between observed and predicted RWI in Romania, France and the UK ...
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Monitoring Climate Sensitivity Shifts in Tree-Rings of Eastern Boreal North America Using Model-Data Comparison
... in boreal black spruce forests in eastern North America by comparing observed and model-based 91.. climate-growth relationships over 1908-2013.[r] ...
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The seed dispersal of the afro- tropical tree species Staudtia kamerunensis (Myristicaceae)
... I presented the results of a study (The seed dispersal of the afro- tropical tree species Staudtia kamerunensis (Myristicaceae)) conducted in Congo D.R. by F. Trolliet under my supervision, in ...
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Chimpanzees use tree species with a resonant timbre for accumulative stone throwing
... three tree properties, namely species, size (DBH), and part of the tree impacted (buttress root, hollow cavity or ...AST tree species, throws targeted at these parts were only possible ...
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How does bark contribution to postural control change during tree ontogeny? A study of six Amazonian tree species
... An important issue is the capacity of bark to maintain its bio- mechanical function as the tree grows. Indeed, direct evidence that bark is capable of bending a tree stem has only been pro- vided in ...
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Low intra-tree variability in resistance to embolism in four Pinaceae species
... et al. 2004 ). According to Zimmermann ( 1983 ), the minimum seasonal water potential becomes less negative in a basipetal direction (i.e., from the leaves to the roots), which may de- crease the risk of embolism from ...
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