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 20 of 20 for “"Green ash."”.
-
Wildlife Response to Stand Structure of Green Ash Woodlands
… were sampled over two years in two types of green ash woodlands in extreme northwestern South Dakota. Woodlands referred to as closed canopy stands consisted of dense stands of various species of trees and shrubs in different size and age classes. Woodlands referred to as open canopy stands …
-
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)
The invasive emerald ash borer (Agrilus planipennis 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, …
-
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 …
-
Woodpecker Nesting Habitat in a Prairie River Woodland
… site preferences. 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 …
-
Evaluating Tree Seedling Survival and Growth in a Bottomland Old-field Site: Implications for Ecological Restoration
… of Shumard 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 …
-
Restoration through reassembly: evaluating the role of native plants in combatting Chinese tallow
… </em>(<em>Celtis occidentalis </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 …
-
Mammal Damage and Movements of Deer Mice in South Dakota Shelterbelts
… using a 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 …
-
The combined effects of ozone, sulfur dioxide and simulated acid rain on the growth of three forest tree species
Nine-week-old yellow-poplar and green and white ash were exposed to various concentrations of O₃ (0.00 to 0.15 ppm) and/or SO₂ (0.08 ppm), 4 hr/d, 5d/wk in combination with simulated rain (pHs 5.6, 4.3, 3.0), 1 hr/d, 2 d/wk, for 5 or 6 wk under controlled laboratory conditions. Pollutant exposures …
-
Root Regeneration of Transplanted Trees in Relation to the Status of Carbohydrate Levels and Root Invading Fungi
… of shade trees (Norway, red and sugar maple, green ash, redbud, ginkgo and pin oak), growing under nursery conditions were characterized. In general, the vertical distribution of the major roots showed the greatest development at the soil depth of 13-38 cm, with limited growth in the top 12 …
-
Forest Disturbances: Occurrences and Impacts of Recreational, Hydrogeomorphic, and Climatic Disturbances
… were apparent on 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) …
-
Sequestration and Characterization of Soil Organic Carbon for Shelterbelt Agroforestry Systems in Saskatchewan
… for six major shelterbelt 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 …
-
Biology of the Porcupine (Erethizon Dorsatum) in northwestern South Dakota
… pine (Pinus 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 …
-
Use of Eastern South Dakota Shelterbelts By Nesting Birds of Prey
… Major tree 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). …
-
Growth loss of loblolly pine (Pinus taeda L.), white pine (P. strobus L.) and sycamore (Platanus occidentalis L.) proximal to a periodic source of air pollution
… oak, sycamore, sweetgum, yellow poplar, white ash, green ash, and Virginia pine indicated significant inhibition of terminal elongation in Virginia pine and red oak in three locations surrounding the emission source.
-
The role of emerging hosts in the North American emerald ash borer invasion: Implications for natural enemy-free space
The invasive emerald ash borer (EAB) has been inflicting catastrophic damage on North American ash resources for over two decades. In its native range, EAB is a secondary pest of Manchurian ash (Fraxinus mandshurica), attacking and killing stressed trees. In North America, EAB’s host range has …
-
Factors influencing the distribution of late-seral woody species along the upper Missouri River in central Montana
… and willows, other woody species, including green ash, box-elder, chokecherry, serviceberry, currant, and red-osier dogwood, also provide important structure and diversity to riparian forests. These species, called late-seral woody species, are typically less prominent than other tree and …
-
Factors influencing the distribution of late-seral woody species along the upper Missouri River in central Montana
… and willows, other woody species, including green ash, box-elder, chokecherry, serviceberry, currant, and red-osier dogwood, also provide important structure and diversity to riparian forests. These species, called late-seral woody species, are typically less prominent than other tree and …
-
Adaptive Silviculture in an urban floodplain forest: exploring functional traits and soil responses for climate ready forests
… is the loss of the 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, …
-
Habitat Use by Beaver Along the Big Sioux River
… cutting according 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 …
-
Diversity and Density of Shelterbelt Bird Communities
… of yellowthroats, house wrens, and brown thrashers in 2 large shelterbelts. Results indicated that territory size of these species was larger in belts with greater number of coexisting species than in the smallest shelterbelt size colonized by one pair of each species. The variation in …