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Articles 1 - 30 of 1403
Full-Text Articles in Life Sciences
Records For The Utilization Of Prunus As A Larval Foodplant By 71 Species Of Lepidoptera In Northeast California, Laurence L. Crabtree, Ron Leuschner
Records For The Utilization Of Prunus As A Larval Foodplant By 71 Species Of Lepidoptera In Northeast California, Laurence L. Crabtree, Ron Leuschner
The Taxonomic Report of the International Lepidoptera Survey
Twenty-six sites in five northeastern California counties (Shasta, Modoc, Plumas, Lassen, Tehama) were surveyed from 1991 to 1999 for the presence of lepidopteran larvae on naturally occurring shrubs of the genus Prunus. To date, a total of seventy-one species of Lepidoptera from seventeen families have been documented to utilize one or more of the area’s three Prunus species (P. emarginata, P. subcordata, and P. virginiana var. demissa).
Nine New Species Of Lacinipolia (Noctuidae) From Arizona, California And Vicinity, Charles L. Selman, Ron Leuschner
Nine New Species Of Lacinipolia (Noctuidae) From Arizona, California And Vicinity, Charles L. Selman, Ron Leuschner
The Taxonomic Report of the International Lepidoptera Survey
This article formalizes the taxonomic conclusions of the senior author’s 1975 successful doctorate dissertation. The nine new species defined in that 1975 dissertation are here formally described in compliance with the rules of the International Code of Zoological Nomenclature (ICZN). The authors have essentially abstracted the original 447 page dissertation and designated types. The new Lacinipolia species are: delongi, aileenae, triplehorni, bucketti, baueri, sharonae, martini, fordi, and franclemonti. The purpose of this paper is simply to make these names available to the scientific community and professional researchers by making them ICZN-compliant.
Evaluation Of Striped Bass Stocks In Virginia, Monitoring And Tagging Studies, 1999-2003 Annual Report, 1 September 1999 - 31 October 2000, Philip W. Sadler, Robert E. Harris, John E. Olney, Robert J. Latour
Evaluation Of Striped Bass Stocks In Virginia, Monitoring And Tagging Studies, 1999-2003 Annual Report, 1 September 1999 - 31 October 2000, Philip W. Sadler, Robert E. Harris, John E. Olney, Robert J. Latour
Reports
To document continued compliance with Federal law, the Anadromous Fishes Program of the Virginia Institute of Marine Science (VIMS) has monitored the size and age composition, sex ratio and maturity schedules of the spawning striped bass stock in the Rappahannock River since December 1981 utilizing commercial pound nets and, since 1991, variable-mesh experimental gill nets. Spawning stock assessment was expanded to include the James River in 1994 utilizing 11 commercial fyke nets and variable-mesh experimental gill nets. The use of fyke nets was discontinued after 1997. In conjunction with the monitoring studies, tagging programs have been conducted in the James …
Upper White River Bmp Implementation Project (Nps Final Report), Paul F. Vendrell, K. F. Steele, M. A. Nelson, R. W. Mcnew
Upper White River Bmp Implementation Project (Nps Final Report), Paul F. Vendrell, K. F. Steele, M. A. Nelson, R. W. Mcnew
Technical Reports
The project objective was to monitor agricultural best management practices implemented to minimize sediment, nutrient, and bacterial impact on water quality of the Upper White River watershed. The project targeted the primary agricultural causes of non-point source nutrient and bacterial pollution in three sub-basins of the White River in the Beaver Lake Watershed. Areas with high animal densities targeted high source areas. High source areas were treated with best management practices (BMP) in an effort to reduce the impact to the White River and Beaver Lake. The predominant BMP implemented was waste management, a component of the farm nutrient management …
Cooperative & Nebraska “Blue Sky” Statutes, J. David Aiken
Cooperative & Nebraska “Blue Sky” Statutes, J. David Aiken
Cornhusker Economics
Cooperative fever is sweeping Nebraska. Agricultural producers are looking for ways to add value to what they produce, often through forming “new generation” cooperatives or by forming limited liability companies (LLCs). New generation cooperatives differ from traditional cooperatives in that new generation cooperatives typically (1) have closed membership and (2) process goods produced by co-op members. New generation cooperatives are more like citrus and other fruit cooperatives that have existed in other parts of the country. The Nebraska Unicameral is providing financial assistance to assist developing these kinds of value-added efforts through LB1348, the “Agricultural Opportunities and Value-Added Partnerships Act.” …
Northeast Research Station Watertown, South Dakota Annual Progress Report, 2000, Agricultural Experiment Station, Plant Science Department
Northeast Research Station Watertown, South Dakota Annual Progress Report, 2000, Agricultural Experiment Station, Plant Science Department
Agricultural Experiment Station and Research Farm Annual Reports
This is the 2000 annual progress report for the Northeast Research Station in Watertown, South Dakota. This report is issued by the South Dakota Agricultural Experiment Station and the South Dakota State University Plant Science Department. This report includes information on the 2000 crop season, including: precipitation summary, small grain performance testing, corn hybrid trials, soybean variety performance trials, canola variety evaluations, flax variety trials, alfalfa trials, winter wheat breeding, oat research, spring wheat breeding, fungicide trials, weed control, soybean breeding, and fertilizer influence on corn yields.
West River Ag Center Crops And Soils Research Annual Progress Report, 2000, Agricultural Experiment Station
West River Ag Center Crops And Soils Research Annual Progress Report, 2000, Agricultural Experiment Station
Agricultural Experiment Station and Research Farm Annual Reports
This is the 2000 progress report of the West River Crops and Soils Research Projects, South Dakota Agricultural Experiment Station. This document includes reports on: weather and climate, wheat and grain variety trials, management and tillage, and weed and pest control.
Impaired Fast-Spiking, Suppressed Cortical Inhibition, And Increased Susceptibility To Seizures In Mice Lacking Kv3.2 K+ Channel Proteins, David Lau, Eleazar Vega-Saenz De Miera, Diego Contreras, Alan Chow, Richard Paylor, Christopher S. Leonard, Bernardo Rudy
Impaired Fast-Spiking, Suppressed Cortical Inhibition, And Increased Susceptibility To Seizures In Mice Lacking Kv3.2 K+ Channel Proteins, David Lau, Eleazar Vega-Saenz De Miera, Diego Contreras, Alan Chow, Richard Paylor, Christopher S. Leonard, Bernardo Rudy
NYMC Faculty Publications
Voltage-gated K(+) channels of the Kv3 subfamily have unusual electrophysiological properties, including activation at very depolarized voltages (positive to -10 mV) and very fast deactivation rates, suggesting special roles in neuronal excitability. In the brain, Kv3 channels are prominently expressed in select neuronal populations, which include fast-spiking (FS) GABAergic interneurons of the neocortex, hippocampus, and caudate, as well as other high-frequency firing neurons. Although evidence points to a key role in high-frequency firing, a definitive understanding of the function of these channels has been hampered by a lack of selective pharmacological tools. We therefore generated mouse lines in which one …
A Taxonomic Study Of, And Key To, The Lecithoceridae (Lepidoptera) From Guizhou, China, Chunsheng Wu
A Taxonomic Study Of, And Key To, The Lecithoceridae (Lepidoptera) From Guizhou, China, Chunsheng Wu
The Taxonomic Report of the International Lepidoptera Survey
This paper provides a key to twelve species (in ten genera and three subfamilies) of Lecithoceridae from Guizhou Province, China. Among them, three species are unnamed and eight are new Guizhou Province records. The female of Opacoptera ecblasta Wu is known for the first time and its genitalia are illustrated for the first time.
Coherence Of Internal Tide Modulations Along The Hawaiian Ridge, Gary T. Mitchum, Stephen M. Chiswell
Coherence Of Internal Tide Modulations Along The Hawaiian Ridge, Gary T. Mitchum, Stephen M. Chiswell
Marine Science Faculty Publications
Long time series of sea level from tide gauges along the north side of the Hawaiian Ridge and shorter series of dynamic heights inferred from inverted echo sounders moored just north of the main Hawaiian Islands are examined for evidence of internal tides at the M2 frequency. We find that the amplitudes and phases of the M2 tidal components have low-frequency variability, which is consistent with a superposition of an internal tide with the larger barotropic tide. Further, the low-frequency variability is correlated with low-frequency changes in the depth of the pycnocline, which suggests a simple physical mechanism …
The Biology, Life History, And Taxonomy Of Celastrina Neglectamajor (Lycaenidae: Polyommatinae)., Harry Pavulaan, David M. Wright
The Biology, Life History, And Taxonomy Of Celastrina Neglectamajor (Lycaenidae: Polyommatinae)., Harry Pavulaan, David M. Wright
The Taxonomic Report of the International Lepidoptera Survey
The biology and life history of Celastrina neglectamajor is described. This lycaenid butterfly was first described from West Virginia, United States by 19th century lepidopterist, William H. Edwards, as a redescription of Lycaena pseudargiolus (Boisduval & Le Conte). Edwards provided evidence of its unique late spring flight, Appalachian affinity, and larval host Cimicifuga racemosa (Ranunculaceae). Edwards and subsequent authors, most notably Samuel Scudder of New England, treated it as an infrasubspecific form of the common eastern Celastrina ladon. In 1908 Tutt applied the form name neglectamajor, describing it from one of Edwards’ 1884 figures. For nearly a century, …
Amartya Sen And World Food Day 2000, Bettina Klaus
Amartya Sen And World Food Day 2000, Bettina Klaus
Cornhusker Economics
As every year, World Food Day took place on October 16th. Being relatively new to UNL (and the U.S.), and being an assistant professor in the Economics Department (joint with the Agricultural Economics Department) with research interests in social choice and game theory, the probability that I would get involved with World Food Day were slim. However, somehow it caught my eye that the yearly teleconference that accompanies World Food Day featured the 1998 Nobel prize winner for economics, Professor Amartya Sen. The 2000 World Food Day’s teleconference topic was “Poverty and Hunger: The Tragic Link” and in a superb …
An Intelligent System For Automated Dna Base Calling, Mohamad T. Musavi
An Intelligent System For Automated Dna Base Calling, Mohamad T. Musavi
University of Maine Office of Research Administration: Grant Reports
An investigation into improving the performance of DNA base calling algorithms was conducted. The results have shown that the preprocessing steps performed by ABI sequencer on raw data adversely affects the accuracy of DNA sequencing. This adverse effect has been responsible for relatively high error rates, between 3.5% to 6%, in both ABI and Phred sequencing software. Please note that Phred also uses the processed data generated by ABI sequencer; only their base-calling algorithm is different. To remedy this effect, we have developed and implemented a new filtering technique that preserves the initial information contained in the raw data. This …
Atmospheric Co2 Evasion, Dissolved Inorganic Carbon Production, And Net Heterotrophy In The York River Estuary, Peter Raymond, James E. Bauer, Jonathan Cole
Atmospheric Co2 Evasion, Dissolved Inorganic Carbon Production, And Net Heterotrophy In The York River Estuary, Peter Raymond, James E. Bauer, Jonathan Cole
VIMS Articles
Direct measurements of the partial pressure of CO2 (pCO2) and dissolved inorganic carbon (DIC) were made over a 2‐yr period in surface waters of the York River estuary in Virginia. The pCO2 in surface waters exceeded that in the overlying atmosphere, indicating that the estuary was a net source of CO2 to the atmosphere at most times and locations. Salinity‐based DIC mixing curves indicate there was also an internal source of both DIC and alkalinity, implying net alkalinity generation within the estuary. The DIC and alkalinity source displayed seasonal patterns similar to that of pCO2 and were reproducible over a …
Faculty Exchange Program In Second Year At Unl, Lynn Lutgen
Faculty Exchange Program In Second Year At Unl, Lynn Lutgen
Cornhusker Economics
The Agricultural Economics Department joined USDA in a Faculty Exchange Program (FEP) with the Ukraine and Russia in the spring of 1999. Each year four professors from the Ukraine and Russia arrive in Lincoln in August and leave the middle of December. While in Nebraska they take classes, travel, and develop class outlines and news articles that they will use when they return home. This year we have three professors visiting from the Ukraine and one from Russia. The following are their impressions of the U.S. and Nebraska, along with some thoughts on the Faculty Exchange Program.
In Vitro Effect Of Shark Cartilage On Human Leukocyte Function, Aline Cornelissen
In Vitro Effect Of Shark Cartilage On Human Leukocyte Function, Aline Cornelissen
FIU Electronic Theses and Dissertations
Previous in vitro studies have shown that shark cartilage extracts stimulate human leukocytes to release significant levels of TNFα, a cytokine typical of a Th1 immune response. The purpose of this study was to investigate further the effects of shark cartilage on cellular immune function, particularly cell proliferation, apoptosis, and IL-4 and INFγ production. The viability and proliferation of cell cultures grown in the presence of shark cartilage extract was not significantly different from unstimulated control cultures or those stimulated with mitogens (Con A, PMA, LPS), respectively. The effect of shark cartilage on apoptosis was determined by microscopic analysis of …
'Earlibrite' Strawberry, C. K. Chandler, D. E. Legard, David Dunigan, T. E. Crocker, C. A. Sims
'Earlibrite' Strawberry, C. K. Chandler, D. E. Legard, David Dunigan, T. E. Crocker, C. A. Sims
Department of Plant Pathology: Faculty Publications
There is a need in west central Florida and other winter strawberry (Fragaria xananassa Duchesne) production areas for an early ripening cultivar to replace or be an alternative to 'Sweetcharlie' (Chandleretal., 1997a). 'Sweet Charlie' has benefitted the Florida strawberry industry through its relatively high production of fruit early in the season, when market prices are generally high. But the average fruit size is small, and the texture of its fruit is often soft, making shipment and shelf life of 'Sweet Charlie' problematic. 'Earlibrite' strawberry has produced high early-season (December through February) yields of large, flavorful fruit at the Univ. …
‘Strawberry Festival’ Strawberry, C. K. Chandler, D. E. Legard, David Dunigan, T. E. Crocker, C. A. Sims
‘Strawberry Festival’ Strawberry, C. K. Chandler, D. E. Legard, David Dunigan, T. E. Crocker, C. A. Sims
Department of Plant Pathology: Faculty Publications
Most of the strawberries (Fragaria xananassa Duchesne) produced in Florida are shipped fresh to locations throughout the eastern United States and Canada (Florida Agricultural Statistics [www.nass.usda.gov/ fl]). Therefore, Florida growers need cultivars that produce fruit that are attractive and flavorful, and maintain these qualities during and after long-distance shipment. 'Strawberry Festival' strawberry has produced commercially acceptable yields of firm, attractive, and flavorful fruit in trials at the Univ. of Florida's Gulf Coast Research and Education Center in Dover (GCREC-Dover) and in two commercial fields in west central Florida. It is recommended for trial in areas where strawberries are grown …
Enzymatic Nixtamalization: An Improved Corn Masa Flour Production Process, Deepak Sahai, David S. Jackson
Enzymatic Nixtamalization: An Improved Corn Masa Flour Production Process, Deepak Sahai, David S. Jackson
Department of Food Science and Technology: Public Access Records
A major concern during commercial masa or instant masa flour production is the proper disposal of the excess waste water generated from the nixtamalization process. Nixtamalization causes partitioning of corn solids between nixtamal and waste water. It has been estimated that corn solids loss during nixtamalization varies between 5-14% depending on corn type & quality. Nejayote waste is highly alkaline, with high chemical and biological oxygen demands (BOD & COD) and is considered an environmental pollutant. A typical corn nixtamalization facility processing 200 US tons of corn every day, uses over 50 gallons of water per minute and generates nearly …
The Prairie Naturalist Volume 32, No.4 December 2000
The Prairie Naturalist Volume 32, No.4 December 2000
The Prairie Naturalist
LOCATING NESTS OF BIRDS IN GRASSLANDS FROM A MOBILE TOWER BLIND ▪ . T. F. Fondell, S. T. Hoekman, and L J. Ball
OBSERVATIONS ON SMALL MAMMALS RECOVERED FROM OWL PELLETS FROM NEBRASKA ▪ J J Huebschman, P. W Freeman, H. H. Genoways, and J A. Gubanyi
DlSTRIBUTION, HABITAT USE, AND NESTING SUCCESS OF HENSLOW'S SPARROW IN OKLAHOMA ▪ D. L. Reinking, D. A. Wiedenfeld, D. H. Wolfe, and R. W. Rohrbaugh, Jr.
REPRODUCTIVE SUCCESS OF PIPING PLOVERS ON ALKALI LAKES IN NORTH DAKOTA AND MONTANA ▪ R. K. Murphy, M. J. Rabenberg, M. L. Sondreal, B. R. Casler, and …
Ryanodine Receptor Adaptation, Michael Fill, A. Zahradníková, Carlos A. Villalba-Galea, I. Zahradník, A. L. Escobar, S. Györke
Ryanodine Receptor Adaptation, Michael Fill, A. Zahradníková, Carlos A. Villalba-Galea, I. Zahradník, A. L. Escobar, S. Györke
School of Pharmacy Faculty Articles
In the heart, depolarization during the action potential activates voltage-dependent Ca2+ channels that mediate a small, localized Ca2+ influx (ICa). This small Ca2+ signal activates specialized Ca2+ release channels, the ryanodine receptors (RyRs), in the sarcoplasmic reticulum (SR). This process is called Ca2+-induced Ca2+ release (CICR). Intuitively, the CICR process should be self-regenerating because the Ca2+ released from the SR should feedback and activate further SR Ca2+ release. However, the CICR process is precisely controlled in the heart and, consequently, some sort of negative control mechanism(s) must exist to …
Planning And Design Considerations For Hybrid Poplar Timberbelts, Scott J. Josiah, Gary Kuhn
Planning And Design Considerations For Hybrid Poplar Timberbelts, Scott J. Josiah, Gary Kuhn
Agroforestry Notes (USDA-NAC)
The demand for wood products and wood fiber has led to the development of a production system based on fast growing trees known as Short Rotation Woody Crops (SRWCs). Traditionally, SRWCs are grown in large, intensively managed blocks, but the technology may also be used on agricultural lands in integrated applications such as timberbelts. Timberbelts are multiple row windbreaks that are planted with commercially valuable trees to produce wood products. Trees such as hybrid poplar (typically cottonwood and to a lesser extent aspen), hybrid willow, hybrid pine, paulownia, etc., are particularly suited for use in timberbelts because of their rapid …
From A Pasture To A Silvopasture System, James L. Robinson, Terry Clason
From A Pasture To A Silvopasture System, James L. Robinson, Terry Clason
Agroforestry Notes (USDA-NAC)
There is potential to diversify a grazing operation and improve economic or environmental benefits on many acres through conversion of pasture to silvopasture. Silvopasture is the integration of trees with livestock grazing and forage operations. Research has demonstrated that, if managed properly, forage production can be maintained while producing high value timber.
De Sistemas Pastoriles A Silvopastoriles, James L. Robinson, Terry Clason
De Sistemas Pastoriles A Silvopastoriles, James L. Robinson, Terry Clason
Agroforestry Notes (USDA-NAC)
Existe el potencial para diversificar la operación pastoril y mejorar los beneficios económicos y ambientales en muchas áreas a través de la conversión de pastoreo a silvopastoreo. Silvopastoreo es la integración de árboles y ganado junto con forraje. Estudios han demostrado que bajo una buena administración es posible la producción de pastos y de madera de alta calidad.
Predicted Land Use Changes In Agricultural Areas Of Wa And Resulting Impact On The Extent Of Dryland Salinity, C E. Mcconnell
Predicted Land Use Changes In Agricultural Areas Of Wa And Resulting Impact On The Extent Of Dryland Salinity, C E. Mcconnell
Resource management technical reports
An assessment of current and possible future land use in Western Australia was undertaken as part of the National Land and Water Resources Audit. This data was used to assess the impact of land use change on the future extent of salinity. It was found that in some areas there is real capacity for changing land use to impact on recharge to the watertable.
Pb1670 Dogwoods For American Gardens, The University Of Tennessee Agricultural Extension Service
Pb1670 Dogwoods For American Gardens, The University Of Tennessee Agricultural Extension Service
Forestry, Trees, and Timber
Seventeen species of dogwood are native to the United States, with about 50 throughout the northern hemisphere of the world. The familiar species we call “flowering dogwood,” Cornus florida, is related to many others. This publication discusses those of ornamental value. Most dogwood species are either shrubs or small trees and can be easily divided into two main groups: those with red fruit (occasionally yellow) and those with blue-black (sometimes whitish) fruit.
In addition to its beauty, the dogwood is an important food source for birds and wildlife. Berries of the flowering dogwood are eaten by many species of …
Sp574 Post-Planting Tree Care - Fallacies And Recommendations, The University Of Tennessee Agricultural Extension Service
Sp574 Post-Planting Tree Care - Fallacies And Recommendations, The University Of Tennessee Agricultural Extension Service
Forestry, Trees, and Timber
Most trees experience shock after transplanting because of the disturbance to the root system. In balled and burlapped (B&B) transplants, it is estimated that 4 to 9 percent of the original root system and about 2 percent of the soil volume occupied by the root system in the nursery is contained in the root ball (Watson 1994). Trees try to keep a balance between the above-ground portion of the tree and the root system (Perry 1982). When the amount of the root system is reduced during transplanting, the above-ground portion of the tree is also affected. The tree either is …
Sp573 How To Recognize And Prevent Tree Hazards, The University Of Tennessee Agricultural Extension
Sp573 How To Recognize And Prevent Tree Hazards, The University Of Tennessee Agricultural Extension
Forestry, Trees, and Timber
Trees benefit us in many ways. They can also cause major damage when limbs or the whole tree falls on power lines, cars, houses or people. Usually, weakened trees give some warning signs of danger. By learning to recognize the signs and to follow-up with prompt, proper action, you can often manage this risk, saving yourself grief as well as money.
Sp575 Storm-Damaged Residential Trees - Assessment, Care And Prevention, The University Of Tennessee Agricultural Extension
Sp575 Storm-Damaged Residential Trees - Assessment, Care And Prevention, The University Of Tennessee Agricultural Extension
Forestry, Trees, and Timber
Snow, ice, wind, hail and even heavy rain can cause significant damage to residential trees. Understanding the impacts of storms on trees will allow you to develop both preventative measures to decrease the probability of tree damage and management approaches to care for trees after damage has occurred.
Trees may be uprooted, decapitated or suffer massive crown loss as branches are broken by the force of the wind or by the weight of ice and snow. Loss of large portions of the crown results in tree stress, a reduction of growth and entry sites for insects and disease. Depending on …
Sp571 Successfully Transplanting Established Trees, The University Of Tennessee Agricultural Extension Service
Sp571 Successfully Transplanting Established Trees, The University Of Tennessee Agricultural Extension Service
Forestry, Trees, and Timber
Planning and preparation are the keys to successfully transplanting established trees from one area of your property to another.