Browsing College of Natural Resources and Environment (CNRE) by Title
Now showing items 859-878 of 1300
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Pallets Make the World Go ‘Round: Circular versus linear economies and their effects on the pallet industry
(Virginia Tech. Center for Packaging and Unit Load Design, 2019-10)On a fundamental level, the circular economy is a model that portrays economic growth from the perspective of resource constraints. It is more ambitious and more marketing-friendly than a linear economy. The circular economy ... -
Partner PhDs: dual careers in grad school and beyond
(Ecological Society of America, 2009-04) -
Pathogen Research Symposium: Pathways and Monitoring in Natural and Engineered Systems
(Virginia Water Resources Research Center, 2007-01) -
Penetration and mixing of heated discharges into waterways
(Water Resources Research Center, Virginia Polytechnic Institute and State University, 1976) -
Performance of three types of laundry detergents in soft and hard water
(Virginia Water Resources Research Center, Virginia Polytechnic Institute and State University, 1987-08) -
Pesticides in the next decade : the challenges ahead.
(Virginia Water Resources Research Center, 1990)Program and presenters' abstracts. -
Phenological Response of an Arizona Dryland Forest to Short-Term Climatic Extremes
(MDPI, 2015-08-24)Baseline information about dryland forest phenology is necessary to accurately anticipate future ecosystem shifts. The overarching goal of our study was to investigate the variability of vegetation phenology across a dryland ... -
Phenotypic Expression and Stability in a Large-Scale Field Study of Genetically Engineered Poplars Containing Sexual Containment Transgenes
(2018-08-03)Genetic engineering (GE) has the potential to help meet demand for forest products and ecological services However, high research and development costs, market restrictions, and regulatory obstacles to performing field ... -
Phosphate and tripolyphosphate adsorption by clay minerals and estuarine sediments
(Water Resources Research Center, Virginia Polytechnic Institute and State University, 1977) -
Physical Condition, Sex, and Age-Class of Eastern Red-Backed Salamanders (Plethodon cinereus) in Forested and Open Habitats of West Virginia, USA
(Hindawi, 2012-07-15)Nonforested habitats such as open fields and pastures have been considered unsuitable for desiccation-prone woodland salamanders such as the Eastern Red-backed Salamander (Plethodon cinereus). Recent research has suggested ... -
Phytosanitary Regulation for Packaging (ISPM-15)
(Virginia Tech. Center for Packaging and Unit Load Design, 2018-02-02)International Standards for Phytosanitary Measures No. 15 (ISPM 15) is essential for the regulation of wooden pallet and packaging materials. This regulation measure is important in determining how pallet industries and ... -
Pilot Study of Bird Populations in Grassland Habitats of Southwest Virginia
(Virginia Tech, 2002-12-7) -
Pine Seedling Production in the South: A Problem Analysis
(Virginia Tech. Division of Forestry and Wildlife Resources, 1982)The objective of this analysis is to identify southern pine seedling production problems that if alleviated would facilitate the increased production and "quality" of seedlings needed to meet projected demand in the southeast. -
Point/counterpoint : ensuring safe drinking water-- a financial dilemma for Virginia?
(Virginia Water Resources Research Center, 1991) -
Pollen Evidence of the Prehistoric Presence of Cattail (Typha: Typhaceae) in Palo Verde National Park, Costa Rica
(Museo Nacional De Costa Rica, 2006) -
Pollutant movement to shallow ground water tables from swine waste lagoons
(Water Resources Research Center, Virginia Polytechnic Institute and State University, 1977)Th is research investigated the effect of three anaerobic swine-waste lagoons on the quality of nearby ground water. The lagoons, in the Coastal Plain region of Virginia, were located on soils with high water tables and ... -
Population ecology of variegate darter (Etheostoma variatum) in Virginia
(2013-08-12)Variegate darters (Etheostoma variatum) were listed as endangered in Virginia in 1992. Reasons for listing included habitat degradation and concerns about current and future impacts of coal mining throughout their Virginia ... -
Population Status of a Cryptic Top Predator: An Island-Wide Assessment of Tigers in Sumatran Rainforests
(PLOS, 2011-11-02)Large carnivores living in tropical rainforests are under immense pressure from the rapid conversion of their habitat. In response, millions of dollars are spent on conserving these species. However, the cost-effectiveness ... -
The Position of Greatest Potential: College of Natural Resources and Environment Strategic Plan 2012-2018
(Virginia Tech, 2012-10)The current context and direction of the College of Natural Resources and Environment reflect the many changes made within the college during the period 2009-2012. An introduction to the college and its current context is ... -
Postoptimal linear programming analysis of farm machinery
(American Society of Agricultural and Biological Engineers, 1990)Linear programming (LP) is a widely used technique for farm machinery selection. Shadow prices from LP models are typically used to identify farm machinery bottlenecks. Shadow prices represent the value of an additional ...
