Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 17 of 17 for “"Pennsylvanica"”.
-
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)
… 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, and up to 33% of the canopy cover in some cities. EAB is currently established in …
-
Evaluating Tree Seedling Survival and Growth in a Bottomland Old-field Site: Implications for Ecological Restoration
… 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®). Survival and …
-
Woodpecker Nesting Habitat in a Prairie River Woodland
… 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 …
-
Mammal Damage and Movements of Deer Mice in South Dakota Shelterbelts
… 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 winter. …
-
Use of Eastern South Dakota Shelterbelts By Nesting Birds of Prey
… 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 raptors were …
-
Trees and Structural Soil as a Stormwater Management System in Urban Settings
… water tables. Quercus bicolor and Fraxinus pennsylvanica were planted in 94.6 L (25 gal) containers with structural soils (either Stalite or CU® Structural Soil). Trees were subjected to fluctuating water tables simulating infiltration rates of 2, 1, and 0.1 cm/hr for two growing seasons. …
-
Factors affecting root system response to nutrient heterogeneity in forested wetland ecosystems
… species (Liquidambar styraciflua, Fraxinus pennsylvanica, and Nyssa aquatica) in a potted study, which was related to species' flood tolerance. My results suggest that the environmental context of plants can affect roots system response to nutrient heterogeneity in forested wetland …
-
The systematics and ecology of Boletes with special reference to the Genus Suillus and its ectomycorrhizal relationships in Nepal
… trees. Boletinellus merulioides and Fraxinus pennsylvanica did not form ectomycorrhizae when grown together in growth pouches.
-
Forest Disturbances: Occurrences and Impacts of Recreational, Hydrogeomorphic, and Climatic Disturbances
… sediment deposition and on green ash (Fraxinus pennsylvanica Marsh.) and water tupelo (Nyssa aquatica L.) radial growth along the Tensaw River in southwest Alabama. Annual dendrogeomorphic sediment accretion rates were significantly greater for a recent time period (25 years) when compared to …
-
Wildlife Response to Stand Structure of Green Ash Woodlands
… grasses than closed stands. Green ash (Fraxinus pennsylvanica) was the dominant tree and western snowberry (Symphoricarpos occidentalis) was the most common shrub in both stand types. Chokecherry (Prunus virginiana) cover was much higher in the closed stands than the open stands while cover of …
-
Habitat Use by Beaver Along the Big Sioux River
… to availability (p < 0.01). Green ash (Fraxinus pennsylvanica) was selected for cutting while both boxelder (Acer negundo) and hawthorn (Crataegus mollis) were selected against. Sandbar willow (Salix exigua) stems were important for food and building materials. Trees cut by beaver were …
-
Adaptive Silviculture in an urban floodplain forest: exploring functional traits and soil responses for climate ready forests
… predominant canopy species, green ash (Fraxinus pennsylvanica), due to predation by emerald ash borer (EAB) (Agrilus planipennis). This change in stand structure has resulted in canopy gaps increasingly being filled by forbs, shrubs, or other species considered weedy, competitive, and a hindrance …
-
Restoration through reassembly: evaluating the role of native plants in combatting Chinese tallow
… </em>L.), and green ash<em> </em>(<em>Fraxinus pennsylvanica </em>Marshall). I found that in the non-flooded and high irradiance treatments, tallow's growth metrics were highest when growing with sugarberry and water tupelo, but decreased when competing with green ash. I concluded that tallow …
-
Sequestration and Characterization of Soil Organic Carbon for Shelterbelt Agroforestry Systems in Saskatchewan
… species including green ash (Fraxinus pennsylvanica), hybrid poplar (Populus spp.), Manitoba maple (Acer negundo), white spruce (Picea glauca), Scots pine (Pinus sylvestris) and caragana (Caragana arborescens) and the adjacent agricultural fields at 59 sampling sites across the …
-
Cliff ecology: Extent, biota, and recreation of cliff environments in the New River Gorge, WV
… montanum Wild., Betula lenta L., Lasallia pennsylvanica (Hoffm.) Llano, Phsycia subtilis Degel., Leucobryum glaucum (Hedw.) Angstr., and Dicranella heteromalla (Hedwig) Schimper. Species of special interest include: Danthonia sericea Nutt., Dichanthelium acuminatum (Sw.) Gould & C.A. Clark …
-
Host influence on the cold hardiness of the emerald ash borer, *Agrilus planipennis* Fairmaire (Coleoptera: Buprestidae)
The emerald ash borer, Agrilus planipennis Fairmaire, is an invasive insect in North America that has caused extensive damage to ash trees throughout its invaded range. The range of Fraxinus spp., specifically black ash (Fraxinus nigra) extends farther north than the known A. planipennis …