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Articles 5281 - 5310 of 5607
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Winter Feeding Of Fingerling Channel Catfish In Cages, D. B. Burke, Walter R. Robison
Winter Feeding Of Fingerling Channel Catfish In Cages, D. B. Burke, Walter R. Robison
Journal of the Arkansas Academy of Science
No abstract provided.
Observations On The Occurrence Of Chalky Deposits On Forewings Of Oncometopia Orbona (F) (Homoptera: Cicadellidae), Mark A. Mayse
Observations On The Occurrence Of Chalky Deposits On Forewings Of Oncometopia Orbona (F) (Homoptera: Cicadellidae), Mark A. Mayse
Journal of the Arkansas Academy of Science
No abstract provided.
Ration/Density Comparisons With Caged Channel Catfish, Scott H. Newton, Walter R. Robison
Ration/Density Comparisons With Caged Channel Catfish, Scott H. Newton, Walter R. Robison
Journal of the Arkansas Academy of Science
No abstract provided.
65th Annual Meeting, 1981.Secretary's Report And Financial Statement, Academy Editors
65th Annual Meeting, 1981.Secretary's Report And Financial Statement, Academy Editors
Journal of the Arkansas Academy of Science
No abstract provided.
Effects Of Purified Salmonella Enteritidis Endotoxin On The Immune Response Of Balb/C Mice, John B. Barnett, John W. Jutila
Effects Of Purified Salmonella Enteritidis Endotoxin On The Immune Response Of Balb/C Mice, John B. Barnett, John W. Jutila
Journal of the Arkansas Academy of Science
Wasting disease was produced in neonatal Balb/c mice with purified Salmonella enteritidis endotoxins. The endotoxins were chemically characterized to provide the study with a potent endotoxin with constant biological activity. Neonatal mice received an initial injection of 35 μg/g body weight of endotoxin and a dose of 75 μg every third day until day 18. The degree of wasting was estimated by the runting (weight loss) index. Mortality was calculated to be 46%, with a mean survival time of approximately 15 days. The hematologic studies conducted at days 10, 20, and 30 showed an absolute neutrophilia and leukocytosis by day …
Microhabitat Distribution And Its Effect Of Prey Utilization In Sympatric Populations Of Plethodon Glutinosus And Plethodon Dorsalis In Northwestern Arkansas, James M. Britton
Microhabitat Distribution And Its Effect Of Prey Utilization In Sympatric Populations Of Plethodon Glutinosus And Plethodon Dorsalis In Northwestern Arkansas, James M. Britton
Journal of the Arkansas Academy of Science
A study was done on sympatric populations of Plethodon glutinosus and P. dorsalis in northwestern Arkansas to determine the relative distribution of the two species and the relationship between their distribution and the utilization of available prey. Upon capture, total length, location, and habitat type were recorded for each salamander. Stomach content samples were obtained by forced regurgitation, and the animals were released. Samples of the local litter fauna were taken to determine prey availability. Habitat data were obtained for 171 salamanders; 76 P. glutinosus and 95 P. dorsalis. Stomach content samples were taken from 67 salamanders; 32 P. glutinosus …
65th Annual Meeting, 1981. Program, Academy Editors
65th Annual Meeting, 1981. Program, Academy Editors
Journal of the Arkansas Academy of Science
No abstract provided.
Biology Of The Striped Bass, Morone Saxatilis, In Beaver Reservoir, Arkansas, Raj V. Kilambi, Alex Zdinak Jr.
Biology Of The Striped Bass, Morone Saxatilis, In Beaver Reservoir, Arkansas, Raj V. Kilambi, Alex Zdinak Jr.
Journal of the Arkansas Academy of Science
Growth, length-weight relationship, maturation and food habits of striped bass from Beaver Reservoir were studied. No significant difference in growth in length between sexes was found. Growth of the Beaver Reservoir striped bass was similar to that of anadromous and freshwater populations. Males and females showed significant difference in length-weight relationship, and females exhibited isometric growth. The gonosomatic indices (GSI) of males ranged from 4.50 to 7.09 and were classified as mature fish. Female striped bass with GSI of 2.62 and above had three size groups of ova and were considered as maturing and mature. The food was primarily composed …
Classification And Protection Status Of Remnant Natural Plant Communities In Arkansas, William F. Pell
Classification And Protection Status Of Remnant Natural Plant Communities In Arkansas, William F. Pell
Journal of the Arkansas Academy of Science
A classification and inventory of Arkansas's remaining tracts of relatively undisturbed vegetation was initiated in 1979. Based on extensive literature surveys and field work, the classification includes five physiognomic classes, 17 cover classes, and 46 cover types, arranged hierarchically. High quality examples of ten of the cover types have been located in designated wilderness or state natural areas, where they are protected by law, while an additional three occur in research natural areas or Forest Service special interest areas. The remaining 33 cover types have no known long-term protection. Lands having wilderness, state natural area, research natural area, or special …
Maturation, Spawning Period, And Fecundity Of The White Crappie, Pomoxis Annularis Rafinesque, In Beaver Reservoir, Arkansas, Janet L. Thomas, Raj V. Kilambi
Maturation, Spawning Period, And Fecundity Of The White Crappie, Pomoxis Annularis Rafinesque, In Beaver Reservoir, Arkansas, Janet L. Thomas, Raj V. Kilambi
Journal of the Arkansas Academy of Science
Gonosomatic indices and ovum diameter frequency distributions showed that the Beaver Reservoir white crappie spawns from late April through May. During the spawning season females release eggs more than once. Various stages of ovarian ovum development were described. Sexual maturity was found in 2-year-old females of 197 mm and 3-year-old and older fish. Regression analyses of fecundity on total length, weight and age of white crappie indicated that the fish weight was the best predictor of fecundity.
Observations On The Size And Fecundity Of The Least Brook Lamprey, Lampetra Aepyptera (Abbott) In Northcentral Arkansas, Chris T. Mcallister, Michael C. Wooten, Timothy L. King
Observations On The Size And Fecundity Of The Least Brook Lamprey, Lampetra Aepyptera (Abbott) In Northcentral Arkansas, Chris T. Mcallister, Michael C. Wooten, Timothy L. King
Journal of the Arkansas Academy of Science
No abstract provided.
Lichens Of Arkansas Ii. Additional State Records Through Computer Search, Jewel E. Moore
Lichens Of Arkansas Ii. Additional State Records Through Computer Search, Jewel E. Moore
Journal of the Arkansas Academy of Science
No abstract provided.
Crowley's Ridge Biological Station--An Educational Center, Jewel E. Moore, Inez Hartsoe
Crowley's Ridge Biological Station--An Educational Center, Jewel E. Moore, Inez Hartsoe
Journal of the Arkansas Academy of Science
No abstract provided.
State Of Cytidine 3', 5' Cyclic Monophosphate (Cyclic Cmp) Research, Joseph E. Stone, Bruce E. Murphy
State Of Cytidine 3', 5' Cyclic Monophosphate (Cyclic Cmp) Research, Joseph E. Stone, Bruce E. Murphy
Journal of the Arkansas Academy of Science
No abstract provided.
Anomolies Of Bobcat Skulls (Felis Rufus) In Arkansas, C. Renn Tumlison, V. Rick Mcdaniel
Anomolies Of Bobcat Skulls (Felis Rufus) In Arkansas, C. Renn Tumlison, V. Rick Mcdaniel
Journal of the Arkansas Academy of Science
No abstract provided.
A Five Year Water Research Plan For The State Of Arkansas, Robert E. Babcock
A Five Year Water Research Plan For The State Of Arkansas, Robert E. Babcock
Arkansas Water Resources Center Technical Reports
The present economy and quality of life in Arkansas have largely been determined by our natural resources and the way they have been used. Likewise, insuring a sound economic future and a healthful environment in the state will depend on the efficiency and the wisdom with which nature's gifts are managed in the future. As the state's population grows and places new demands on finite resources, the need for effective resource management becomes increasingly critical. Often, a history of plenty can lead to the belated recognition of emerging resource problems. In Arkansas, such is the case with the state's water …
Possible Solutions To The Problem Presented By Missing Owners Of Fee Simple Title Or Non-Consenting Owners With Coal Or Lignite Prospect, Phillip E. Norvell
Possible Solutions To The Problem Presented By Missing Owners Of Fee Simple Title Or Non-Consenting Owners With Coal Or Lignite Prospect, Phillip E. Norvell
Annual of the Arkansas Natural Resources Law Institute
No abstract provided.
Publication Policies And Suggestions For Authors, Academy Editors
Publication Policies And Suggestions For Authors, Academy Editors
Journal of the Arkansas Academy of Science
No abstract provided.
Activation Of Long Descending Propriospinal Neurons In Cat Spinal Cord, Robert J. Adams, Robert D. Skinner, Ronald S. Remmel
Activation Of Long Descending Propriospinal Neurons In Cat Spinal Cord, Robert J. Adams, Robert D. Skinner, Ronald S. Remmel
Journal of the Arkansas Academy of Science
Isolated mammalian spinal cord has been shown capable of generating locomotor activity. Propriospinal systems assumed to coordinate fore- and hindlimb activity are poorly understood. This study characterizes the long descending propriospinal (LDP) neurons in terms of the location of the somas and their peripheral inputs by direct neuronal recording. Anatomical studies using axonal retrograde transport of horseradish peroxidase from the lumbar to the cervical spinal cord as a tracer first described these neurons. Two hundred and thirty-one LDP neurons were identified in electrophysiological experiments. Of these, 123 responded to natural stimulation, and about 50% of the others were activated only …
Potential Of Utilizing Scrap Processed Cheese As A Major Ration Component For Channel Catfish, Calvin J. Haskins, Scott H. Newton
Potential Of Utilizing Scrap Processed Cheese As A Major Ration Component For Channel Catfish, Calvin J. Haskins, Scott H. Newton
Journal of the Arkansas Academy of Science
Three cages (0.9 m³) were stocked with 200 channel catfish, Ictalurus punctatus Rafinesque, fingerlings (73.7 g avg.) in a 1.5 hectare pond. Two cheese rations were formulated and fed to the catfish; the first consisting of cheese, oil, and vitamin C (C + VC)and the second consisting of cheese, cottonseed meal, oil, trace minerals, and vitamins (CC + VM). A commercial trout ration (TC) was fed as a control. High mortalities occurred in the C + VC diet, thus resulting in premature removal of that cage from the study (after 86 days). A sample of 50 fish from the two …
Evaluation Of A Full-Fat Soybean Ration For Channel Catfish Production In Cages, Scott H. Newton, Walter R. Robison, Calvin J. Haskins
Evaluation Of A Full-Fat Soybean Ration For Channel Catfish Production In Cages, Scott H. Newton, Walter R. Robison, Calvin J. Haskins
Journal of the Arkansas Academy of Science
An experimental ration consisting of 50% full-fat soybeans, heated 170°C, was compared to a commercial trout chow in a 120-day feeding trial using two stocks of channel catfish, Ictalurus punctatus Rafinesque. Catfish were reared in 0.9 m³ floating cages, with 200 fish per cage, anchored in a 1.5 hectare farm pond. A Central Arkansas stock significantly outperformed a Southeast Arkansas stock for comparisons of net production and food conversion efficiency (FCE), with 92% greater production and 41% better FCE, respectively. Survival was 90% or greater for all fish. There was no significant difference in dress-out weight between the stocks. However, …
How We Look: Studies Of Oculomotor-System Neural Connections, Ronald S. Remmel, Robert D. Skinner
How We Look: Studies Of Oculomotor-System Neural Connections, Ronald S. Remmel, Robert D. Skinner
Journal of the Arkansas Academy of Science
The neural connections of the reticular formation (RF) with the vestibular nuclei (8V) and the ascending medial longitudinal fasciculus (MLF) were studied, because many neurons in these structures carry eye-movement and head-movement (vestibular) signals and are only one or two synaptic connections removed from eye motorneurons. We used stimulating electrodes placed in specific brainstem structures and a single-neuron recording microelectrode in anesthetized or decerebrate cats. Connections were determined when the neurons were excited either forwards (orthodromically) or backwards (antidromically) by a shock. Four classes of neurons were studied. One neuronal class in the pontine RF projects axons into the ascending …
Time And Life: Applications Of Modern Chronobiology, Lawrence E. Scheving, John E. Pauly
Time And Life: Applications Of Modern Chronobiology, Lawrence E. Scheving, John E. Pauly
Journal of the Arkansas Academy of Science
Chronobiology is that branch of science which objectively quantifies and explores mechanisms of biological time structure. It is an integrating discipline that impacts on all forms of life. When physiological functions are plotted along a time scale, they appear as regularly repetitive wave forms with means, amplitudes, phasing and periods. In nature these rhythms are found to have many frequencies, from a fraction of a second (ultradian) to a year or more (infradian or circannual); and those with periods of about one day (circadian) have been explored extensively. Examples of several circadian rhythms are given for experimental animals and man. …
Continuation Of Spider Research In Arkansas: Gulf Coastal Plains, Peggy Rae Dorris
Continuation Of Spider Research In Arkansas: Gulf Coastal Plains, Peggy Rae Dorris
Journal of the Arkansas Academy of Science
No abstract provided.
Profile Of Human-Rabid Skunk Contacts In Arkansas: 1977-1979, Dale V. Ferguson, Gary A. Heidt
Profile Of Human-Rabid Skunk Contacts In Arkansas: 1977-1979, Dale V. Ferguson, Gary A. Heidt
Journal of the Arkansas Academy of Science
No abstract provided.
Growth Patterns, Behavior And Food Items Fed To Nestling Great Horned Owls (Bubo Virginianus), Rodney Harris, Earl L. Hanebrink
Growth Patterns, Behavior And Food Items Fed To Nestling Great Horned Owls (Bubo Virginianus), Rodney Harris, Earl L. Hanebrink
Journal of the Arkansas Academy of Science
No abstract provided.
Observations On The Incidence Of Chiggers, Eutrombicula Alfreddugesi (Oudemans) On Crotaphytus (Sauria: Iguanidae) In Izard County, Arkansas, Chris T. Mcallister
Observations On The Incidence Of Chiggers, Eutrombicula Alfreddugesi (Oudemans) On Crotaphytus (Sauria: Iguanidae) In Izard County, Arkansas, Chris T. Mcallister
Journal of the Arkansas Academy of Science
No abstract provided.
Implications And Considerations Concerning The Status, Habitat And Distribution Of The Least Brook Lamprey, Lampetra Aepyptera (Abbott) (Pisces: Petromyzontidae) In Arkansas, Stephen A. Sewell, F. Allen Carter, Chris T. Mcallister
Implications And Considerations Concerning The Status, Habitat And Distribution Of The Least Brook Lamprey, Lampetra Aepyptera (Abbott) (Pisces: Petromyzontidae) In Arkansas, Stephen A. Sewell, F. Allen Carter, Chris T. Mcallister
Journal of the Arkansas Academy of Science
No abstract provided.
Immune Responses Of Rats To Antigens Of Moloney Leukemia Virus, Frances B. Soderberg, Susan G. Tai, Joe M. Jones
Immune Responses Of Rats To Antigens Of Moloney Leukemia Virus, Frances B. Soderberg, Susan G. Tai, Joe M. Jones
Journal of the Arkansas Academy of Science
No abstract provided.
Hemogregarines In The Red-Eared Slider, Chrysemys Scripta Elegans (Wied) From Arkansas, Chris T. Mcallister, Anthony W. King
Hemogregarines In The Red-Eared Slider, Chrysemys Scripta Elegans (Wied) From Arkansas, Chris T. Mcallister, Anthony W. King
Journal of the Arkansas Academy of Science
No abstract provided.