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Showing 1 to 10 of 10 for “"Populus balsamifera"”.
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Patterns of Population Structure and Hybridization within and between Populus trichocarpa and Populus balsamifera
The genus Populus consists of many ecologically and economically important forest tree species. Their rapid growth makes them one of the most productive hardwoods growing in temperate latitudes. Populus spp. frequently hybridize where their ranges overlap, and poplar hybrids are the most frequently …
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Water-use efficiency and productivity in native Canadian populations of Populus trichocarpa and Populus balsamifera
… efficiency within four selected populations of Populus trichocarpa and Populus balsamifera (2 provenances each). Each species included both a northern and a southern provenance. Correlations between water-use efficiency, nitrogen-use efficiency, ¹³C/¹²C isotope ratio, stomatal conductance, and …
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Ásókn asparglyttu (Phratora vitellinae L.) í mismunandi klóna Alaskaaspar (Populus balsamifera L. ssp. trichocarpa) Skaðsemi, útbreiðsla og lífsferill asparglyttu á Íslandi
… hratt um landið og valdið skaða á bæði aspar- (Populus ssp.) og víðitegundum (Salix ssp.). Fyrir áframhaldandi ræktun á Alaskaösp (Populus balsamifera L. ssp. trichocarpa (Torr. & Gray) Brayshaw) er mikilvægt að afla upplýsinga um þennan skaðvald. Meginmarkmið verkefnisins var að meta líkur á …
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Productivity and biomass partitioning in 20-year Black cottonwood at variable spacing
… branching ratio in 20-year old Black cottonwood (Populus balsamifera L. ssp. trichocarpa (Torr. & A. Gray ex Hook.) Brayshaw) experimental plantation within Sandlækjarmýri research forest in southern Iceland. Data and wood samples were collected from 40 trees of 8 different spacing treatments (0.5 …
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The Missoula Poplar Project: Utilizing Poplars to Enhance Wastewater Treatment
… stem cuttings of two hybrid poplar species, Populus deltoides X Populus trichocarpa and Populus deltoides X Populus nigra, and the native Black Cottonwood, Populus balsamifera ssp. trichocarpa. The effects of effluent fertilization on poplar growth, soil and ground water nutrient contents …
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The Missoula Poplar Project: Utilizing Poplars to Enhance Wastewater Treatment
… stem cuttings of two hybrid poplar species, Populus deltoides X Populus trichocarpa and Populus deltoides X Populus nigra, and the native Black Cottonwood, Populus balsamifera ssp. trichocarpa. The effects of effluent fertilization on poplar growth, soil and ground water nutrient contents …
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Testing the forage preference of the American pika (Ochotona princeps) for use in connectivity corridors in the Washington Cascades
… (<em>Salix spp.</em>), and black cottonwood (<em>Populus balsamifera trichocarpa</em>) were the most selected species, and were recommended for planting in the upcoming crossing structures. Samples of each of the tested plant species were also analyzed for nutritional components and some plant …
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Skammlotuskógrækt með alaskaösp og áhrif áburðargjafar á hana
… ára árlegrar áburðargjafar á vöxt alaskaaspar (Populus balsamifera L. Subsp. trichocarpa (Torr. & Gray ex Hook.) Brayshaw) í 25 ára gömlum tilraunaskógi í Gunnarsholti á Rangárvöllum. Einnig hvort slík skógrækt hentaði til skammlotuskógræktar (<30 ára lota) og að gera arðsemisútreikninga fyrir …
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The relationship between stem-form, stand-closure and site -conditions : the influence of environmental conditions on tree allometry and forest structure in west-central Alberta
… x glauca, Abies lasiocarpa, Larix laricina, Populus tremuloides, Betula papyrifera and Populus balsamifera plus a comprehensive all-species data set. As the actual conformation of the stern is very individual, stem-fo~was represented by the diameter at breast height to total height r~tio. The …
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Effect of bioenergy crops and fast growing trees on hydrology and water quality in the Little Vermilion River Watershed
… Short rotation woody crops (SRWCs) such as <em>Populus</em> have great potential as biofuel feedstocks. Quantifying biomass yields of bioenergy crop and hydrologic and water quality responses to growth is important should it be widely planted in the Midwestern U.S. Subsurface tile drainage …