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Articles 1 - 7 of 7
Full-Text Articles in Physical Sciences and Mathematics
Update On Ethanol Processing Residue Properties, Kurt A. Rosentrater, Kasiviswanathan Muthukumarappan, James Julson, Padmanaban Krishnan
Update On Ethanol Processing Residue Properties, Kurt A. Rosentrater, Kasiviswanathan Muthukumarappan, James Julson, Padmanaban Krishnan
Kurt A. Rosentrater
The production of corn-based ethanol in the U.S. is dramatically increasing, and consequently so is the amount of byproduct materials generated from this processing sector. These coproduct streams are currently solely utilized as livestock feed, which is a route that provides ethanol processors with a substantial revenue source and significantly increases the profitability of the production process. With the construction and operation of many new plants in recent years, these residuals do, however, have much potential for value-added processing and utilization in other sectors as well. This option holds promise of economic benefit for corn processors, especially if the livestock …
Renewable Energy Alternatives: Current Status And Capacities, Kurt A. Rosentrater, Youakim Al-Kalaani
Renewable Energy Alternatives: Current Status And Capacities, Kurt A. Rosentrater, Youakim Al-Kalaani
Kurt A. Rosentrater
A key to the United States’ economic growth is an ever-increasing demand for energy, which has traditionally been met primarily by combusting the hydrocarbons found in fossil fuels. As environmental concerns grow, renewable energy resources are gaining increasing attention. To aid both researchers as well as educators, this paper examines historical energy data for both traditional as well as alternative energy sources. Even with the progressive developments of non-traditional energy sources over the years, the U.S. still receives more than 90% of its energy from fossil and nuclear fuels. Explicit examination of the alternative energy sector has revealed that hydroelectric …
Severe Wind And Fire Regimes In Northern Forests: Historic Variability At The Regional Scale, Lisa A. Schulte-Moore, David J. Mladenoff
Severe Wind And Fire Regimes In Northern Forests: Historic Variability At The Regional Scale, Lisa A. Schulte-Moore, David J. Mladenoff
Lisa A. Schulte Moore
Within the northern Great Lakes region, mesoscale (10s to 100s of km2) forest patterning is driven by disturbance dynamics. Using original Public Land Survey (PLS) records in northern Wisconsin, USA, we study spatial patterns of wind and fire disturbances during the pre-Euroamerican settlement period (ca. 1850). Our goals were: (1) to determine how effectively wind and fire disturbance can be econstructed from the PLS, (2) to assess the roles of wind and fire in shaping vegetation patterns, (3) to evaluate landscape to regional controls of wind and fire regimes, and (4) to assess the potential for interactions between these disturbances. …
The Ivory-Billed Woodpecker In Mississippi?, Stephen J. Dinsmore
The Ivory-Billed Woodpecker In Mississippi?, Stephen J. Dinsmore
Stephen J Dinsmore
In April the environmental community received a real surprise--the Ivory-billed Woodpecker, long thought to be extinct, had apparently been rediscovered in Arkansas! As the news unfolded, the world learned that a team of researchers had been tracking at least one woodpecker, a lone male, for more than a year in the Cache River region of east-central Arkansas. The rediscovery of a bird presumed extinct for more than 60 years subsequently galvanized the environmental community and garnered much-needed support for the preservation of the Southeast's remaining old growth bottomland forests and endangered species recovery.
Waterfowl Abundance And Distribution In The Mississippi Delta, Stephen J. Dinsmore, Aaron T. Pearse, Richard M. Kaminski, Kenneth J. Reinecke
Waterfowl Abundance And Distribution In The Mississippi Delta, Stephen J. Dinsmore, Aaron T. Pearse, Richard M. Kaminski, Kenneth J. Reinecke
Stephen J Dinsmore
During mornings of empty skies, a duck hunter has plenty of time to ponder the question, "Where are all the ducks?" Invariable, the distraught hunter arrives at an unhappy conclusion: the ducks are not going to show up, so they must be elsewhere. The typical progression of an unsuccessful morning of hunting leads to multiple explanations as to why there weren't any ducks, such as mild winter temperatures in and north of Mississippi, not enough rain to attract ducks, too much rain and the ducks are scattered, the region doesn't have enough food to attract and hold ducks, the ducks …
Hamiota, A New Genus Of Freshwater Mussel (Bivalvia: Unionidae) From The Gulf Of Mexico Drainages Of The Southeastern United States, Kevin J. Roe, Paul D. Hartfield
Hamiota, A New Genus Of Freshwater Mussel (Bivalvia: Unionidae) From The Gulf Of Mexico Drainages Of The Southeastern United States, Kevin J. Roe, Paul D. Hartfield
Kevin J. Roe
Hamiota, a new genus of freshwater mussel containing four species formerly assigned to the genus Lampsilis Rafinesque, 1820, is described. In addition to the genus Lampsilis, members of Hamiota had previously been placed in the genera Villosa Frierson, 1927, and Ligumia Swainson, 1840. Several characters including the packaging of their larvae in a superconglutinate lure to attract host fishes, placement and shape of the marsupia, and release of glochidia through the excurrent siphon, support the recognition of these species as a distinct genus.
Pre-Euroamerican Distribution Of Pine Warblers (Dendroica Pinus) In Wisconsin: A Tool For Setting Regional Conservation Priorities, Lisa A. Schulte, Anna M. Pidgeon, David J. Mladenoff
Pre-Euroamerican Distribution Of Pine Warblers (Dendroica Pinus) In Wisconsin: A Tool For Setting Regional Conservation Priorities, Lisa A. Schulte, Anna M. Pidgeon, David J. Mladenoff
Lisa A. Schulte Moore
A common goal of conservation and management plans is to maintain populations of species of conservation concern at some historic level that was a product of environmental conditions at a time when they were less influenced by humans than at present. Conservation planning also includes consideration of the distribution, abundance, and reproductive success of a species, all of which are affected by both the amount and spatial pattern of habitat. In this work, we have fused the fields of spatial and historical ecology to provide a perspective that includes an estimate of a bird species’ distribution just prior to Euroamerican …