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Showing 1 to 20 of 57 for “"Fraxinus"”.
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ΣΥΜΒΟΛΗ ΣΤΗ ΜΕΛΕΤΗ ΤΩΝ ΧΗΜΙΚΩΝ ΣΥΣΤΑΤΙΚΩΝ ΤΩΝ ΑΝΘΕΩΝ ΤΟΥ FRAXINUS ORNUS
… CONCERNS THE CONSTITUENTS OF THE FLOWERS OF FRAXINUS ORNUS CULTIVATED IN GREECE. THE PRINCIPAL BOTANICAL AND CHEMICAL FEATURES AS WELL AS THE THERAPEUTIC USES, OF PLANTS BELONGING TO THE GENUS FRAXINUS HAVE BEEN DESCRIBED IN THE FIRST PART OF THIS STUDY. IN ADDITION, THE EFFECTS OF …
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An Investigation of Fraxinus Americana Branch Sway Using a 3 Dimensional Motion Capture System
… branch frequencies were calculated for three <em>Fraxinus americana </em>using a three-dimensional motion capture system for both wind loading and hand loading conditions. Individual branch frequencies and phase angle values were calculated after portions of the tree crown mass were removed. Wind …
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The development of sampling methods for key-year patterns of white ash (Fraxinus americana L.)
A key year is a year in which a significant number of trees had a wider or narrower growth ring than the previous year. A non-key year is a year which there vas not a significant number of trees that had greater or less growth than the previous year. A key-year pattern is a series of key years that …
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Aboveground woody biomass estimation of green ash trees (Fraxinus pennsylvanica Marsh.) along Colorado's Northern Front Range in response to the invasive emerald ash borer (Agrilus plannipenis Fairmaire)
… has killed hundreds of millions of ash trees (Fraxinus spp.) in forests and urban areas across the United States. Green ash (Fraxinus pennsylvanica Marsh.) is the most widely planted street tree in the greater Denver Metro Area, comprising 15% of the urban tree population on a per-stem basis, …
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Preparing plant collections for biological invasions: a study of the effects of emerald ash borer (Agrilus planipennis Fairmaire) through case study analysis
… to investigate the current state of ex situ Fraxinus collections globally. Research methodology primarily included qualitative, semi-structured, onsite interviews with staff at four public garden case study sites. Secondary phone interviews were conducted with staff at additional institutions …
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The role of emerging hosts in the North American emerald ash borer invasion: Implications for natural enemy-free space
… EAB is a secondary pest of Manchurian ash (Fraxinus mandshurica), attacking and killing stressed trees. In North America, EAB’s host range has expanded to include healthy trees of every Fraxinus species encountered, most recently Oregon ash (F. latifolia). Successful EAB development has also …
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The systematics and ecology of Boletes with special reference to the Genus Suillus and its ectomycorrhizal relationships in Nepal
… were centered around and declined outward from Fraxinus americana trees. Boletinellus merulioides and Fraxinus pennsylvanica did not form ectomycorrhizae when grown together in growth pouches.
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Evaluating Tree Seedling Survival and Growth in a Bottomland Old-field Site: Implications for Ecological Restoration
… oak (Quercus shumardii Buckl.) and green ash (Fraxinus pennsylvanica Marsh.) were planted each with four soil amendments at a Wildlife Management Area in Lewisville, Texas. The treatments were a mycorrhizal inoculant, mulch fabric, and two superabsorbent gels (TerraSorb® and DRiWATER®). …
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Productivity and nutrient relations of trees in deciduous forests differing in tree species diversity
… über mittel-diversen Beständen aus Buche, Esche (Fraxinus excelsior) und Linde (Tilia cordata und T. platyphyllos) zu hoch-diversen Beständen aus Buche, Esche, Linde, Ahorn (Acer pseudoplatanus und A. platanoides) und Hainbuche (Carpinus betulus). Stammholzzuwächse wurden ab dem Jahr 2006 mit …
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Use of Geospatial Methods to Characterize Dispersion of the Emerald Ash Borer in Southern Ontario, Canada
… 2002, the condition of all species of Ash trees (Fraxinus) in the province is currently at risk. In this research, the effects of positive spatial autocorrelation on the EAB data as a result of sampling bias was addressed by applying a filtering distance threshold. To analyze the impact of …
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An Assessment of the Potential Impacts of Emerald Ash Borer (Agrilus planipennis Fairmaire) on Virginia's Municipal Street Trees
… infests and eventually kills native ash trees (Fraxinus spp.). First detected near Detroit, Michigan in 2002, EAB had spread to fifteen U.S. states by 2011, killing an estimated 50 million ash trees along the way. EAB was first discovered in Virginia in 2003 and re-infested the state in 2008, …
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Woodpecker Nesting Habitat in a Prairie River Woodland
… Sapsuckers nested only in live green ash (Fraxinus pennsylvanica), characteristically in park-like situations. Red-headed woodpeckers typically nested in American elm (Ulmus americana) snag stands with an open canopy and sparse woody understory. Functions involving common clickers or downy …
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Water turnover in species-rich and species-poor deciduous forests: xylem sap flow and canopy transpiration
… sylvatica L.) und der ringporigen Art Esche (Fraxinus excelsior L.), konnte eine maximale Xylemsaftflussdichte in einer Holztiefe von 1 bis 4 cm hinter dem Kambium gemessen werden. Die ermittelten Funktionen zeigten glockenförmige Kurvenverläufe mit artspezifischen Steigungen. Buche und Esche …
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Mammal Damage and Movements of Deer Mice in South Dakota Shelterbelts
… smoked kymograph tracking technique. Green ash (Fraxinus pennsylvanica Marsh.), tatarian honeysuckle (Lonicera tatarica L. ),, and common lilac (Syringa vulgaris L.) were the most common tree species encountered in this study. Of the trees examined, 398 (8. 9%) sustained animal damage over the …
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Host influence on the cold hardiness of the emerald ash borer, *Agrilus planipennis* Fairmaire (Coleoptera: Buprestidae)
… trees throughout its invaded range. The range of Fraxinus spp., specifically black ash (Fraxinus nigra) extends farther north than the known A. planipennis distribution. The ability of an insect to withstand cold, or its cold hardiness, is important in limiting its northern distribution. The cold …
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Biology of the Porcupine (Erethizon Dorsatum) in northwestern South Dakota
… ponderosa), willow (Salix spp.) and green ash (Fraxinus pennsylvanicus) were the most common tree species consumed. Alfalfa (Medicago sativa), wild licorice (Glycyrrhiza lepidota), yellow sweetclover (Melilotus officinalis) and bigtop dalea (Dalea enneandra) were the most frequently utilized …
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Use of Eastern South Dakota Shelterbelts By Nesting Birds of Prey
… species included elm (Ulmus spp.), green ash (Fraxinus pennsylvanica), cottonwood (Populus deltoids), Russian olive (Elaeagnus angustifolia), and eastern red cedar (Juniperus scopulorum). Major shrub species included honeysuckle (Lonicera tatarica) and lilac (Syringa vulgaris). Ninety-eight …
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