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.
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Showing 1 to 20 of 34 for “"Vegetation management"”.
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Vegetation management effects on fruit trees
… considered. The influence of the orchard floor management system on the soil condition, moisture and nutrient availability, beneficial soil fauna, pest/predator complexes, the fruit tree nutritional status, and weed suppression through possible allelopathic affects are also taken into account. …
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Demand prediction modeling for utility vegetation management
… proposes a demand prediction model for utility vegetation management (VM) organizations. The primary uses of the model is to aid in the technology adoption process of Light Detection and Ranging (LiDAR) inspections, and overall system planning efforts. Utility asset management ensures vegetation …
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Vegetation management along roadside and railroad right-of-ways
… well as motorists requires effective control of vegetation on right-of-ways (ROW's). Traditionally on railroad ROW's, residual herbicides are applied early in the growing season with POST applications to restrict weed emergence. Field studies in central Illinois (three), Missouri (one), and …
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Prescribed burning for vegetation management on the Blue Ridge Parkway
… fire has been utilized extensively in forest management practices. This study was designed to compare prescribed burning in the fall or the spring with hand cutting to reduce the overall height of vegetation. Ten scenic overlooks on the Blue Ridge Parkway were selected for treatment. The …
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City of San Luis Obispo Open Space Vegetation Management Plan
… Project is focused on the development of a draft Vegetation Management Plan for the City of San Luis Obispo Open Space properties. The purpose of the plan is to provide a comprehensive document which identifies how the city is addressing wildfire preparedness in city-owned open space properties. …
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Propagation of Vallisneria Americana (MICHX): Vegetation Management In South Carolina Piedmont Reservoirs
… reservoirs with varied physical settings and management strategies and found that although several obstacles to successful introductions were common to all reservoirs in the study, in each reservoir a particular obstacle arose as most influential. I use the knowledge gained here to make …
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Effects of Low-Input Vegetation Management on Pine-Hardwood Mixed Stands in the Northern Piedmont
… spot release) were used to control competing vegetation during the study. The four even-aged regeneration treatments applied to loblolly pine and mixed hardwood stands of this study had a significant effect on their growth. Loblolly pine growth increased and mixed hardwood growth decreased as …
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Chinese Tallow Long-Term Impact on Stand Dynamics in a Bottomland Hardwood Forest Following Vegetation Management
<p>Chinese tallow (<em>Triadica sebifera</em> (L.) Small) is an invasive tree known to have negative impacts on bottomland hardwood forests. Chinese tallow is proficient in reproducing and surviving in bottomland hardwood forests because it is more flood and shade tolerant than most native trees. …
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Utility Right of Way Management: Potential for Expanded Integrated Vegetation Managment in California
… companies have the challenge of meeting vegetation clearance requirements within their right of ways and complying with various environmental laws and company goals. Vegetation management programs at the major utility companies cost millions of dollars a year. Reducing cost and increasing …
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Evaluation of Methods for Control of Vegetation in Utility Corridors
<p>Vegetation management programs are now one of the largest budget items for most of the utility companies in the United States. Control methods used in line clearance activities include mechanical trimming, planting management, or use of tree growth regulators (chemicals that suppress the …
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Pollinator Abundance at Solar Farms in Alberta, Canada
… Edges of solar sites experience less frequent vegetation control which could create an edge effect and influence how bees assemble within a solar site. Four solar farms in Alberta, Canada were sampled using pan and vane traps to collect bee abundance data along transects at three distances from …
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The effect of habitat management on biodiversity and ecosystem functions in oil palm plantations in Sumatra, Indonesia
… losses of biodiversity and increased pollution. Management interventions to mitigate these impacts are clearly needed. Oil palm is capable of supporting a dense understory with vegetation that can reach several metres high. However, some plantation owners completely remove this by spraying …
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Evaluation of the use of remotely sensed images to speciate mixed Appalachian forests
… camera has potential for use in detailed forest vegetation management, and they offer a number of advantages over conventional aerial photographs. The aim of the study was to determine the ability to speciate mixed Appalachian hardwood forests using the Airborne Data Acquisition and Registration …
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Establishing Patterns in Vegetation Associations of the Fountain Darter Etheostoma fonticola in the San Marcos and Comal Rivers of Texas
Aquatic vegetation provides many services for aquatic habitats and fish communities. The Fountain Darter Etheostoma fonticola, found only in spring systems of the San Marcos and Comal rivers in central Texas, is reported to associate with vegetation for feeding, reproduction, and refuge. …
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Development and evaluation of trapping studies for Hylobius pales (Herbst) and Pissodes nemorensis Germar (Coleoptera: curculionidae) in Virginia Christmas tree plantations
… observed between stationary and rotated traps. Vegetation management had no effect on trap catch. However, it was observed that newly planted white pine seedlings (Pinus strobus L.) were fed upon by H. pales at Significantly higher rates in plots not managed for competing vegetation than in …
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Remote sensing to characterise vegetation fuel moisture content in the UK uplands
… The results have implications for wildfire risk management and for upland vegetation management and conservation.
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Monitoring biodiversity of San Francisco Peninsula grasslands using Lepidoptera as a bioindicator
… agencies have begun to adopt an integrated pest management (IPM) approach. This ecologically-based approach to pest management utilizes three controversial techniques, which are presently used or are under consideration for use on the San Francisco Peninsula: herbicide application, conservation …
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A study of the effects of paclobutrazol on the growth rate of fast growing tree species
… regulators and their eventual inclusion into vegetation management programmes in the United Kingdom and Ireland.
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Asian long-horned tick distributions in Virginia pastures and evaluating the horn fly as a possible vector of Theileria orientalis Ikeda
… linear mixed models. Results indicated that vegetation height was the most consistent predictor of density, with short vegetation supporting significantly fewer ticks than medium-height vegetation. While relative humidity was positively associated with nymphal density, landscape features like …
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