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Articles 3061 - 3090 of 5626
Full-Text Articles in Entire DC Network
Journal Of The Arkansas Academy Of Science - Volume 70 2016, Academy Editors
Journal Of The Arkansas Academy Of Science - Volume 70 2016, Academy Editors
Journal of the Arkansas Academy of Science
No abstract provided.
Occurrence Of Shoal Chub, Macrhybopsis Hyostoma (Cypriniformes: Cyprinidae) In Unusual Habitat In The Arkansas River System Of Arkansas: Could Direct Tributaries Be Refugia Allowing Persistence Despite Fragmentation Of Instream Habitat?, J. A. Brown, H. W. Robison, C. T. Mcallister
Occurrence Of Shoal Chub, Macrhybopsis Hyostoma (Cypriniformes: Cyprinidae) In Unusual Habitat In The Arkansas River System Of Arkansas: Could Direct Tributaries Be Refugia Allowing Persistence Despite Fragmentation Of Instream Habitat?, J. A. Brown, H. W. Robison, C. T. Mcallister
Journal of the Arkansas Academy of Science
No abstract provided.
An Epistylus Sp. (Ciliophora: Peritrichia: Epistylididae) Infestation On Green Sunfish, Lepomis Cyanellus (Perciformes: Centrarchidae), From Arkansas, C. T. Mcallister, H. W. Robison, S. E. Trauth
An Epistylus Sp. (Ciliophora: Peritrichia: Epistylididae) Infestation On Green Sunfish, Lepomis Cyanellus (Perciformes: Centrarchidae), From Arkansas, C. T. Mcallister, H. W. Robison, S. E. Trauth
Journal of the Arkansas Academy of Science
No abstract provided.
Annual Report, 2016, University Of Arkansas, Fayetteville. Dale Bumpers College Of Agricultural, Food And Life Sciences. Dept. Of Biological And Agricultural Engineering
Annual Report, 2016, University Of Arkansas, Fayetteville. Dale Bumpers College Of Agricultural, Food And Life Sciences. Dept. Of Biological And Agricultural Engineering
Biological and Agricultural Engineering Department Annual Report
No abstract provided.
Graduate Catalog Of Studies, 2015-2016, University Of Arkansas, Fayetteville
Graduate Catalog Of Studies, 2015-2016, University Of Arkansas, Fayetteville
Graduate School Catalog of Studies
No abstract provided.
History Newsletter, 2015-2016, University Of Arkansas, Fayetteville. Department Of History
History Newsletter, 2015-2016, University Of Arkansas, Fayetteville. Department Of History
History Newsletter
No abstract provided.
Online Permaculture Resources: An Evaluation Of A Selected Sample, Claire M. Luchkina
Online Permaculture Resources: An Evaluation Of A Selected Sample, Claire M. Luchkina
Inquiry: The University of Arkansas Undergraduate Research Journal
As a newly-emerging, sustainable approach to landscape management, permaculture seeks to integrate knowledge from several disciplines into a holistic system with emphasis on ecological and social responsibility. Online resources on permaculture appear to represent a promising direction in the movement by supplementing existing printed sources, serving to update and diversify existing content, and increasing access to permaculture information and praxis among the general public. This study evaluated a sample of online resources on permaculture using a framework of parameters reflecting website usability and content quality. Best practice for website usability, as well as diversity of information and applicability, was addressed. …
Inquiry: The University Of Arkansas Undergraduate Research Journal - Volume 20 - Spring 2016, Inquiry Editors
Inquiry: The University Of Arkansas Undergraduate Research Journal - Volume 20 - Spring 2016, Inquiry Editors
Inquiry: The University of Arkansas Undergraduate Research Journal
No abstract provided.
Plain Facts About Anthropogenic Global Climate Change And Warming: A Review, M. K. Cleaveland
Plain Facts About Anthropogenic Global Climate Change And Warming: A Review, M. K. Cleaveland
Journal of the Arkansas Academy of Science
Anthropogenic global climate change (AGC) is proceeding rapidly. The proximate cause is the greenhouse effect of carbon dioxide, methane and other greenhouse gases (GHG), which have rapidly accumulated in the atmosphere from burning fossil fuels and other human activities. Measurements of incoming and outgoing radiation have verified the warming imbalance. Effects manifest themselves in accelerating sea level rise and diminishment of the cryosphere. This has already created climatic refugees and water stress, and will destroy coastal infrastructure. It also impacts ecosystems and biodiversity in many ways. To avoid catastrophic effects, fossil fuel use must cease and carbon sinks must be …
Water-Quality Effects On Phytoplankton Species And Density And Trophic State Indices At Big Base And Little Base Lakes, Little Rock Air Force Base, Arkansas, June Through August, 2015, L. J. Driver, B. G. Justus
Water-Quality Effects On Phytoplankton Species And Density And Trophic State Indices At Big Base And Little Base Lakes, Little Rock Air Force Base, Arkansas, June Through August, 2015, L. J. Driver, B. G. Justus
Journal of the Arkansas Academy of Science
Big Base and Little Base Lakes are located on Little Rock Air Force Base, Arkansas, and their close proximity to a dense residential population and an active military/aircraft installation make the lakes vulnerable to water-quality degradation. The U.S. Geological Survey (USGS) conducted a study from June through August 2015 to investigate the effects of water quality on phytoplankton species and density and trophic state in Big Base and Little Base Lakes, with particular regard to nutrient concentrations. Nutrient concentrations, trophic-state indices, and the large part of the phytoplankton biovolume composed of cyanobacteria, indicate eutrophic conditions were prevalent for Big Base …
Dna Barcoding Of The First Recorded American Burying Beetle, Nicrophorus Americanus, In Clark County, Arkansas, J. Kelly, T. Files, N. Reyna, B. Baley
Dna Barcoding Of The First Recorded American Burying Beetle, Nicrophorus Americanus, In Clark County, Arkansas, J. Kelly, T. Files, N. Reyna, B. Baley
Journal of the Arkansas Academy of Science
The American Burying Beetle (ABB), Nicrophorus americanus, is a red-listed endangered species under the Endangered Species Act (16 U.S.C. 1531 et seq.). We serendipitously recorded 3 individuals of this species during a forensic study in the summer of 2013. These specimens represent the first known records for Clark County, AR and the southeastern-most record in the State since the extirpation of the species from the region in the late 1800’s. Two males and one female were collected, photographed, sexed and measured. One male specimen was deceased upon discovery. The remaining two individuals were released. The U.S. Fish and Wildlife Service …
New Distributional Records Of The Ohio Shrimp, Macrobrachium Ohione Smith (Decapoda: Palaemonidae) In Arkansas, H. W. Robison, L. Lewis, C. Cox, G. Spooner, R. Adams, C. T. Mcallister
New Distributional Records Of The Ohio Shrimp, Macrobrachium Ohione Smith (Decapoda: Palaemonidae) In Arkansas, H. W. Robison, L. Lewis, C. Cox, G. Spooner, R. Adams, C. T. Mcallister
Journal of the Arkansas Academy of Science
The Ohio shrimp (Macrobrachium ohione) is a migratory (amphidromous) river shrimp that occurs in some Arkansas rivers. It is known from the Upper Missouri River from its mouth downstream to the Gulf of Mexico, but shrimp abundance has declined, particularly upstream of Louisiana. Ohio Shrimp has also been collected in the lower reach of the Missouri River not far from the confluence of the Mississippi River in St. Louis County. Dams and alterations in channel flow are hypothesized to have impacted upriver migrations of shrimp. Current range, abundance, and life history of Ohio shrimp is relatively unknown in the Mississippi …
Food Habits Of Green Tree Frogs (Hyla Cinerea) From Arkansas, C. S. Thigpen, H. Dodson, S. E. Trauth
Food Habits Of Green Tree Frogs (Hyla Cinerea) From Arkansas, C. S. Thigpen, H. Dodson, S. E. Trauth
Journal of the Arkansas Academy of Science
We analyzed stomach contents of 120 Green Tree Frogs, Hyla cinerea, collected between May 1956 and October 2014 in Arkansas. Beetles and arachnids were the predominant prey item; the next most abundant groups were Diptera and Hemiptera. Vegetable matter was also found in several frogs. All identifiable vegetable matter was determined to be of the genus Persicaria, colloquially known as smartweed. Our data suggests that Green Tree Frogs in Arkansas predominantly feed on beetles and arachnids, but occasionally ingest plant matter when actively foraging.
First Record Of The Opossum Shrimp, Mysis Diluviana (Crustacea: Mysida) From Arkansas, K. Schanke, H. W. Robison, N. J. Wentz, C. T. Mcallister
First Record Of The Opossum Shrimp, Mysis Diluviana (Crustacea: Mysida) From Arkansas, K. Schanke, H. W. Robison, N. J. Wentz, C. T. Mcallister
Journal of the Arkansas Academy of Science
No abstract provided.
A Case Of An Ant Head (Crematogaster Sp.) Embedded Within The Skin Of A Green Treefrog (Hyla Cinerea) From Northeastern Arkansas, C. S. Thigpen, S. E. Trauth
A Case Of An Ant Head (Crematogaster Sp.) Embedded Within The Skin Of A Green Treefrog (Hyla Cinerea) From Northeastern Arkansas, C. S. Thigpen, S. E. Trauth
Journal of the Arkansas Academy of Science
No abstract provided.
Contents, Discovery Editors
Contents, Discovery Editors
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
No abstract provided.
Discovery: The Student Journal Of Dale Bumpers College Of Agricultural, Food And Life Sciences - Volume 17 2016, Several Authors
Discovery: The Student Journal Of Dale Bumpers College Of Agricultural, Food And Life Sciences - Volume 17 2016, Several Authors
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
No abstract provided.
Bumpers College Students In Action, Discovery Editors
Bumpers College Students In Action, Discovery Editors
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
No abstract provided.
Geographic Range Of The Western Harvest Mouse (Reithrodontomys Megalotis) In Arkansas, G. R. Graves
Geographic Range Of The Western Harvest Mouse (Reithrodontomys Megalotis) In Arkansas, G. R. Graves
Journal of the Arkansas Academy of Science
No abstract provided.
Unusual Concentration Of Summer Tanagers (Piranga Rubra) In Northwestern Arkansas During Winter 2015-2016, K. G. Smith, J. C. Neal, M. Mlodinow
Unusual Concentration Of Summer Tanagers (Piranga Rubra) In Northwestern Arkansas During Winter 2015-2016, K. G. Smith, J. C. Neal, M. Mlodinow
Journal of the Arkansas Academy of Science
No abstract provided.
Letter From The Dean, Lona Robertson
Letter From The Dean, Lona Robertson
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
No abstract provided.
Current Status Of The Northern Saw-Whet Owl (Aegolius Acadicus) In Arkansas, Mitchell L. Pruitt, Kimberly G. Smith
Current Status Of The Northern Saw-Whet Owl (Aegolius Acadicus) In Arkansas, Mitchell L. Pruitt, Kimberly G. Smith
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
The secretive Northern Saw-whet Owl (Aegolius acadicus) is believed to be much more widespread during fall and winter than previously thought. Of the few places in the southern United States conducting research on this species, all have been successful at capturing birds. A total of 12 historic records existed for Arkansas until our work began in fall of 2014. The first confirmed record was in 1959 and the most recent, prior to this research, was in 2010. Over the course of two field seasons, we captured and banded 24 Northern Saw-whet Owls in rural Madison County. All birds were mist-netted …
Use Of Anti-Mullerian Hormone To Select For Fertility In Beef Heifers, Hannah Newberry, Beth Kegley, Charles Rosenkrans, Rick Rorie
Use Of Anti-Mullerian Hormone To Select For Fertility In Beef Heifers, Hannah Newberry, Beth Kegley, Charles Rosenkrans, Rick Rorie
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
A study was conducted to determine whether concentration of serum Anti-Mullerian Hormone (AMH) at weaning and/or breeding could predict subsequent fertility in beef heifers. Frequency distribution was used to assign serum AMH concentration measured at weaning, breeding, and the change from weaning to breeding into quartiles. Comparison of heifers based on serum AMH quartiles at weaning failed (P ≥ 0.35) to detect any effect of AMH on subsequent heifer cyclicity at breeding, estrous response after synchronization, artificial insemination (AI) pregnancy rate, overall breeding season pregnancy rate, or estimated estrous cycle of the breeding season when conception occurred. Based on AMH …
Message From The Faculty Editor, Mary Savin
Message From The Faculty Editor, Mary Savin
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
No abstract provided.
Instructions For Authors, Discovery Editors
Instructions For Authors, Discovery Editors
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
No abstract provided.
Calcium And Magnesium Absorption And Retention By Growing Goats Offered Diets With Different Calcium Sources, Jennifer E. Long, Kenneth P. Coffey, James D. Caldwell, Dirk Philipp, Robert T. Rhein, Ashley N. Young
Calcium And Magnesium Absorption And Retention By Growing Goats Offered Diets With Different Calcium Sources, Jennifer E. Long, Kenneth P. Coffey, James D. Caldwell, Dirk Philipp, Robert T. Rhein, Ashley N. Young
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
Calcium addition is necessary in order to balance the high phosphorus concentrations that are characteristic of high-concentrate ruminant diets. However, calcium sources differ in their bioavailability. Our objective was to determine apparent calcium and magnesium absorption and retention in goats offered diets containing different sources of calcium. Spanish-Boer goats (n = 18; 19.6 ± 1.88 kg) were stratified by body weight (BW) and sex and randomized to dietary treatments consisting of Purina Antlermax 16 containing either calcium carbonate (CC), Calmin (CM) or Milk Cal (MC). Goats were adapted to a control, corn-based high-concentrate diet on pasture and then moved to …
A Tribute To Dr. Henry W. “Rob” Robison, C. T. Mcallister
A Tribute To Dr. Henry W. “Rob” Robison, C. T. Mcallister
Journal of the Arkansas Academy of Science
No abstract provided.
Geochemical Processes And Controls Affecting Water Quality Of The Karst Area Of Big Creek Near Mt. Judea, Arkansas, V. Brahana, J. Nix, C. Kuyper, T. Turk, F. Usrey, S. Hodges, C. Bitting, K. Ficco, E. Pollock, R. Quick, B. Thompson, J. Murdoch
Geochemical Processes And Controls Affecting Water Quality Of The Karst Area Of Big Creek Near Mt. Judea, Arkansas, V. Brahana, J. Nix, C. Kuyper, T. Turk, F. Usrey, S. Hodges, C. Bitting, K. Ficco, E. Pollock, R. Quick, B. Thompson, J. Murdoch
Journal of the Arkansas Academy of Science
Karst regions typically are considered to be vulnerable with respect to various land-use activities, owing to the intimate association of surface and groundwater and lack of contaminant attenuation provided by most karst aquifers. Inasmuch as the soluble rocks of the karst landscape can be dissolved to create large, rapid-flow zones that compete successfully with surface streams, groundwater and subsurface flow represent a much larger component of the hydrologic budget in karst regions than in areas where non-soluble rocks predominate. Karst areas typically are distinguished by being unique, but some general approaches can be applied to characterize the hydrology of the …
Proportionality Between Population Descriptors (Covariables) In An Aggregated Acanthocephalan (Helminth) Infection Of A Microcrustacean: Crofton Revisited, J. J. Daly Sr., K. Wagner
Proportionality Between Population Descriptors (Covariables) In An Aggregated Acanthocephalan (Helminth) Infection Of A Microcrustacean: Crofton Revisited, J. J. Daly Sr., K. Wagner
Journal of the Arkansas Academy of Science
We have previously shown that population parameters of the trematode metacercariae of Clinostomum marginatum in black bass (Micropterus spp.) were closely correlated with each other with the exception of prevalence (Daly et al. 2007, Daly (2014). Crofton (1971) and Haynes and Nicholas (1963) published raw data on an acanthocephalan, (Polymorphus minutus) in an amphipod intermediate host collected on 6 different sites on a stream. That data was used herein to examine similar correlations, as with Clinostomum, to see if another helminth infection, in this case from a different phylum, also had similar descriptor relationships. Forty one regression analyses were done …
Population Sampling Of Chelonians In An Urban Lake In Jonesboro, Craighead County, Arkansas, J. D. Konvalina, C. S. Thigpen, S. E. Trauth
Population Sampling Of Chelonians In An Urban Lake In Jonesboro, Craighead County, Arkansas, J. D. Konvalina, C. S. Thigpen, S. E. Trauth
Journal of the Arkansas Academy of Science
We conducted a mark-recapture survey for aquatic turtles in Craighead Forest Lake in Jonesboro (Craighead County, Arkansas). From July 2, 2015 to October 14, 2015, we set six hoop nets, baited with fish parts, at specific shoreline locations around the lake. Traps were set twice a week and checked 12 hours after they were set. Carapace length, carapace width, plastron length, and plastron width were measured for each individual. Each turtle was identified to species and its sex was recorded. We also placed a notch in one or more of its marginal scutes to aid in future identification. Finally, a …