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Journal of the Arkansas Academy of Science

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Articles 391 - 420 of 538

Full-Text Articles in Animal Sciences

Warmwater Fish Community Of A Cool Tailwater In Arkansas, Richard A. Frietsche Jan 1982

Warmwater Fish Community Of A Cool Tailwater In Arkansas, Richard A. Frietsche

Journal of the Arkansas Academy of Science

A diverse warmwater fish community has persisted in the Lake Greeson tailwater, despite hydropower releases of cold hypolimnetic water. Forty-eight species of fish were collected by electrofishing in the upper 16.1 km of the tailwater. Hydropower releases have reduced the abundance of some of the warmwater sport fish in the upper tailwater, and their populations are probably maintained in part by recruitment from downstream. Angling effort has been diverted from the warmwater sport fish populations to a put-and-take trout fishery.

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Reported Animal Rabies In Arkansas: 1950-1981, Gary A. Heidt Jan 1982

Reported Animal Rabies In Arkansas: 1950-1981, Gary A. Heidt

Journal of the Arkansas Academy of Science

Reported animal rabies in Arkansas is reviewed for the years 1950-81 . Total cases ranged from 44 in 1969 to 332 in 1979, with a mean of 154. Domestic animals accounted for 72.5% of the total cases until 1961-63 and then declined to 15.8% from 1964-81. This switch from domestic to wildlife rabies corresponded to a similar trend in nationally reported rabies and was probably due to increased public awareness and the vaccination of domestic dogs and cats. Over the 31 year period a total of 18 species of mammals has been implicated in reported rabies (individual species of foxes, …

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Leaf Processing In A Slough Of An Ozark Stream, Don F. Petty, Arthur V. Brown Jan 1982

Leaf Processing In A Slough Of An Ozark Stream, Don F. Petty, Arthur V. Brown

Journal of the Arkansas Academy of Science

Processing of sugar maple (Acer saccharum), black oak (Quercus velutina), and American sycamore (Platanus occidentalis) was investigated in a slough of the Illinois River, Benton County, Arkansas, using 5-gram packs in wire baskets. Oak and sycamore showed similar degradation rates, while maple was processed much faster. All processing rates were strongly retarded during a period of siltation. Chironomid larvae were the dominant organisms associated with the packs and their numbers were depressed by the silt influx. Shredders were notably few in number as compared with studies from the northwestern United States.

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Water Quality And Benthic Invertebrate Communities In Lake Greeson Tailwater, Stephen B. Smith Jan 1982

Water Quality And Benthic Invertebrate Communities In Lake Greeson Tailwater, Stephen B. Smith

Journal of the Arkansas Academy of Science

The Little Missouri River below Lake Greeson, Arkansas, was sampled for water quality and benthos during summer 1979. The hydropower turbine water intakes, 20 m below the lake surface, released hypolimnetic water into the tailwater. Downstream water temperatures, total organic matter, and total inorganic matter varied considerably and benthic invertebrate communities immediately below the dam were stressed by waters released for power generation. Detrimental effects from altered temperature and flow regimes had decreased by 16.1 km downstream, where invertebrate communities were typical of less stressed environments.

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River Otter In Arkansas: Ii. Indications Of A Beaver-Facilitated Commensal Relationship, C. Renn Tumlison, Mark R. Karnes, Anthony W. King Jan 1982

River Otter In Arkansas: Ii. Indications Of A Beaver-Facilitated Commensal Relationship, C. Renn Tumlison, Mark R. Karnes, Anthony W. King

Journal of the Arkansas Academy of Science

Dam building activities of beaver (Castor canadensis) create ponds that apparently augment habitat available to otter (Lutra canadensis). This paper considers possible effects of beaver activity and pond formation on distribution and populations of otter in Arkansas. Literature synthesis and analysis of harvest records were used to investigate the suspected relationship.

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Status Of The Small-Footed Bat, Myotis Leibii Leibii, In The Southern Ozarks, V. Rick Mcdaniel, Michael J. Harvey, Renn Tumlison, Ken N. Paige Jan 1982

Status Of The Small-Footed Bat, Myotis Leibii Leibii, In The Southern Ozarks, V. Rick Mcdaniel, Michael J. Harvey, Renn Tumlison, Ken N. Paige

Journal of the Arkansas Academy of Science

No abstract provided.

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Two Year Comparison Of The Winter Food Habits Of Mink (Mustela Vison) From Deltaic Northeast Arkansas, Ronald A. Smith, V. Rick Mcdaniel Jan 1982

Two Year Comparison Of The Winter Food Habits Of Mink (Mustela Vison) From Deltaic Northeast Arkansas, Ronald A. Smith, V. Rick Mcdaniel

Journal of the Arkansas Academy of Science

No abstract provided.

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Analysis Of Regurgutated Short-Eared Owl (Asio Flammeus) Pellets From The Roth Prairie, Arkansas County Arkansas, Ronald A. Smith, Earl L. Hanebrink Jan 1982

Analysis Of Regurgutated Short-Eared Owl (Asio Flammeus) Pellets From The Roth Prairie, Arkansas County Arkansas, Ronald A. Smith, Earl L. Hanebrink

Journal of the Arkansas Academy of Science

No abstract provided.

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Aquaculture Industry Of Arkansas In 1979-1980, Donald H. Fiegel, Mike Freeze Jan 1981

Aquaculture Industry Of Arkansas In 1979-1980, Donald H. Fiegel, Mike Freeze

Journal of the Arkansas Academy of Science

A survey of previous fish farmer certificate holders in Arkansas was conducted during 1979-1980 using renewal questionnaires, telephone conversations, and personal contacts. This survey was compared with similar surveys from preceding years. Approximately 51.0% of 12,372 intensively farmed hectares in 1979-80 were devoted to bait fish production, while 22.9% were utilized in food fish production. Acreage in bait fish, food fish, and fingerling production decreased from 1979 to 1980; however, price increases during this time resulted in a higher total value of the industry

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Economics Of Rainbow Trout Production In Arkansas, Walter R. Robison, Scott H. Newton Jan 1981

Economics Of Rainbow Trout Production In Arkansas, Walter R. Robison, Scott H. Newton

Journal of the Arkansas Academy of Science

No abstract provided.

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River Otter In Arkansas: I. Distribution And Harvest Trends, C. Renn Tumlison, Anthony W. King, Lew Johnston Jan 1981

River Otter In Arkansas: I. Distribution And Harvest Trends, C. Renn Tumlison, Anthony W. King, Lew Johnston

Journal of the Arkansas Academy of Science

River otter (Lutra canadensis) management in Arkansas is hampered by a lack of information on population parameters. This initial study on the biology of Arkansas river otter is concerned with present distribution and harvest trends. Otter occur throughout Arkansas, except in the upper Ozark region. A distributional shift, apparently along the Arkansas River, has led to an increase in otter harvest in the Ouachita Mountain region. A dramatic increase in otter harvest over the past four years (1976-1979) is attributable, in part, to a pelt price increase. Additionally, nuisance level beaver (Castor canadensis) populations and an extended trapping season for …

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Winter Feeding Of Fingerling Channel Catfish In Cages, D. B. Burke, Walter R. Robison Jan 1981

Winter Feeding Of Fingerling Channel Catfish In Cages, D. B. Burke, Walter R. Robison

Journal of the Arkansas Academy of Science

No abstract provided.

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Observations On The Occurrence Of Chalky Deposits On Forewings Of Oncometopia Orbona (F) (Homoptera: Cicadellidae), Mark A. Mayse Jan 1981

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.

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Ration/Density Comparisons With Caged Channel Catfish, Scott H. Newton, Walter R. Robison Jan 1981

Ration/Density Comparisons With Caged Channel Catfish, Scott H. Newton, Walter R. Robison

Journal of the Arkansas Academy of Science

No abstract provided.

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Biology Of The Striped Bass, Morone Saxatilis, In Beaver Reservoir, Arkansas, Raj V. Kilambi, Alex Zdinak Jr. Jan 1981

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 …

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Maturation, Spawning Period, And Fecundity Of The White Crappie, Pomoxis Annularis Rafinesque, In Beaver Reservoir, Arkansas, Janet L. Thomas, Raj V. Kilambi Jan 1981

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.

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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 Jan 1981

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.

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Anomolies Of Bobcat Skulls (Felis Rufus) In Arkansas, C. Renn Tumlison, V. Rick Mcdaniel Jan 1981

Anomolies Of Bobcat Skulls (Felis Rufus) In Arkansas, C. Renn Tumlison, V. Rick Mcdaniel

Journal of the Arkansas Academy of Science

No abstract provided.

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Potential Of Utilizing Scrap Processed Cheese As A Major Ration Component For Channel Catfish, Calvin J. Haskins, Scott H. Newton Jan 1980

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 …

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Evaluation Of A Full-Fat Soybean Ration For Channel Catfish Production In Cages, Scott H. Newton, Walter R. Robison, Calvin J. Haskins Jan 1980

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, …

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Growth Patterns, Behavior And Food Items Fed To Nestling Great Horned Owls (Bubo Virginianus), Rodney Harris, Earl L. Hanebrink Jan 1980

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.

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Observations On The Incidence Of Chiggers, Eutrombicula Alfreddugesi (Oudemans) On Crotaphytus (Sauria: Iguanidae) In Izard County, Arkansas, Chris T. Mcallister Jan 1980

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.

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Hemogregarines In The Red-Eared Slider, Chrysemys Scripta Elegans (Wied) From Arkansas, Chris T. Mcallister, Anthony W. King Jan 1980

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.

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Glycoprotein Proteinase In Agkistrodon Bilineatus Venom, John D. Ruff, Bob D. Johnson, Dewey H. Sifford Jan 1980

Glycoprotein Proteinase In Agkistrodon Bilineatus Venom, John D. Ruff, Bob D. Johnson, Dewey H. Sifford

Journal of the Arkansas Academy of Science

No abstract provided.

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Food Of Bluegill And Longear Sunfish In Degray Reservoir, Arkansas, 1976, Horace E. Bryant, Thomas E. Moen Jan 1980

Food Of Bluegill And Longear Sunfish In Degray Reservoir, Arkansas, 1976, Horace E. Bryant, Thomas E. Moen

Journal of the Arkansas Academy of Science

Stomach contents were examined from 544 bluegill (Lepomis macrochirus) and 709 longear sunfish (L. megalotis) collected from nearshore areas of DeGray Reservoir April-November 1976. Major foods of bluegill (percentage of total weight of food in parentheses) were insects (33), bryozoa (7.3), planktonic crustaceans (6.5), and plant materials (15.4). The major food items contributing to the diet of longear sunfish were insects (52.6%), crayfish (12.5%), fish (7.4%), and plant material (6.7%). Although bluegill and longear sunfish are closely related species, their diets were not as similar as expected: bluegill consumed zooplankton, adult dipterans, and adult ephemeropterans associated with limnetic areas; while …

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Food Of Largemouth Bass (Micropterus Salmoides) In Degray Reservoir, Arkansas, 1976, Horace E. Bryant, Thomas E. Moen Jan 1980

Food Of Largemouth Bass (Micropterus Salmoides) In Degray Reservoir, Arkansas, 1976, Horace E. Bryant, Thomas E. Moen

Journal of the Arkansas Academy of Science

Stomach contents were examined from 748 largemouth bass, Micropterus salmoides (<125 mm total length), collected from DeGray Reservoir during April-November 1976. Fish constituted 59% by weight of the total diet and occurred in 81% of the stomachs; crayfish made up nearly 38% of the weight and occurred in 24% of the stomachs. Sunfish, the principal fish food (about 28% by weight), were observed in 36% of the stomachs. Shad were the second most important prey (23% by weight and 29% frequency in occurrence). Crayfish constituted about 42% of the total weight of the food of bass 200 mm long or longer, but only 12% in bass less than 200 mm. Crayfish consumption was greatest during the fall.

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Isolation Of Phospholipase A2 From Agkistrodon Bilineatus Venom, Karl H. Landberg, Bob D. Johnson, Dewey H. Sifford Jan 1980

Isolation Of Phospholipase A2 From Agkistrodon Bilineatus Venom, Karl H. Landberg, Bob D. Johnson, Dewey H. Sifford

Journal of the Arkansas Academy of Science

No abstract provided.

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Sage Thrasher (Oreoscoptes Montanus), A New State Record, Norman Lavers Jan 1980

Sage Thrasher (Oreoscoptes Montanus), A New State Record, Norman Lavers

Journal of the Arkansas Academy of Science

No abstract provided.

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Growth And Year Class Composition Of The White Bass (Morone Chrysops) In Degray Lake, Arkansas, Thomas E. Moen, Michael R. Dewey Jan 1980

Growth And Year Class Composition Of The White Bass (Morone Chrysops) In Degray Lake, Arkansas, Thomas E. Moen, Michael R. Dewey

Journal of the Arkansas Academy of Science

No abstract provided.

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Hovering Flight In Red-Tailed Hawks, Norman La Vers Jan 1979

Hovering Flight In Red-Tailed Hawks, Norman La Vers

Journal of the Arkansas Academy of Science

No abstract provided.

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