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Articles 20041 - 20070 of 21395

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Addendum To "Fishes Of The Fourche River" In North Central Arkansas, Steve M. Bounds Feb 1977

Addendum To "Fishes Of The Fourche River" In North Central Arkansas, Steve M. Bounds

Journal of the Arkansas Academy of Science

No abstract provided.


Kentucky Warbler (Vol. 53, No. 1), Kentucky Library Research Collections Feb 1977

Kentucky Warbler (Vol. 53, No. 1), Kentucky Library Research Collections

The Kentucky Warbler

No abstract provided.


Distribution, Habitat Notes, And The Status Of The Ironcolor Shiner, Notropis Chalybaeus Cope, In Arkansas, Henry W. Robison Jan 1977

Distribution, Habitat Notes, And The Status Of The Ironcolor Shiner, Notropis Chalybaeus Cope, In Arkansas, Henry W. Robison

Journal of the Arkansas Academy of Science

Field work throughout Arkansas since 1971 and a search of museum records have yielded 35 collections of the iron color shiner, Notropis chalybaeus Cope (Cyprinidae), not previously documented in Arkansas. From these data the iron color shiner is considered to be confined to the Coastal Plain physiographic province of Arkansas below the Fall Line, becoming most abundant in the Ouachita and Red River drainages of southern Arkansas. Notes on habitat preference, species associates, and current status of N. chalybaeus within Arkansas are presented.


Immunization Of Rats Against Mesocestoides Corti (Cestoda) By Subcutaneous Vaccination Of Living Tetrathyridia And By Passive Transfer With Serum, Jerry Y. Niederkorn Jan 1977

Immunization Of Rats Against Mesocestoides Corti (Cestoda) By Subcutaneous Vaccination Of Living Tetrathyridia And By Passive Transfer With Serum, Jerry Y. Niederkorn

Journal of the Arkansas Academy of Science

Laboratory rats were subcutaneously vaccinated with 100 live tetrathyridia of Mesocestoides corti (Cestoda) and subsequently intraperitoneally challenged with 50 tetrathyridia. Necropsy 30 days postinfection revealed that vaccinated rats harbored 97.4% fewer worms compared to control rats. In a second experiment, passive transfer of immunity was accomplished by immune serum from subcutaneously vaccinated rats. Rats receiving immune serum harbored 33.4% lighter worm burdens compared to normal serum recipients.


Mosquitofish, Gambusia Affinis (Baird And Girard) Production In Extensive Polyculture System, Scott H. Newton, Andrew J. Merkowsky, Ambus J. Handcock, Max V. Miesch Jan 1977

Mosquitofish, Gambusia Affinis (Baird And Girard) Production In Extensive Polyculture System, Scott H. Newton, Andrew J. Merkowsky, Ambus J. Handcock, Max V. Miesch

Journal of the Arkansas Academy of Science

During 1976, mosquitofish, Gambusia affinis Baird and Girard, were reared in combination with food and game fishes in 0.1 ha culture ponds at the University of Arkansas at Pine Bluff fisheries research facility. Mosquitofish production was 218 kg/ha, with 1683 fish per kilogram, in ponds that were also stocked with channel catfish, Ictalurus punctatus Rafinesque, bigmouth buffalo, Ictiobus cyprinellus Valenciennes, grass carp, Ctenopharyngodon idella Valenciennes, and silver carp, Hypophthalmichthys molitrix Valenciennes. In another similar stocked pond, hybrid sunfish fingerlings depressed mosquitofish yield by 79%. No mosquitofish production was obtained in ponds stocked with 250 largemouth bass, Xficropterus salmoides Lacepede, fry …


Attraction Of Aerial Insects As A Fish Food Supplement, Andrew J. Merkowsky, Ambus J. Handcock, Scott H. Newton Jan 1977

Attraction Of Aerial Insects As A Fish Food Supplement, Andrew J. Merkowsky, Ambus J. Handcock, Scott H. Newton

Journal of the Arkansas Academy of Science

Insect populations over a 1.2 hectare southeast Arkansas livestock pond were sampled to consider the possibility of their use as a fish food supplement. A commercial insect attraction unit was suspended above the pond, and attracted insects were collected. Insect populations were sampled 3-4 nights each month, January-December, 1976. Insects collected were identified and analyses were performed to determine nutritional composition and pesticide content. Insect samples were variable, however, 62% of the insects identified were in the Order Diptera and 97% of these were in the Family Chironomidae. Nutritional analyses revealed insects were more than 60% crude protein. Pesticide analysis …


Cave Fauna Of Arkansas: Vertebrate Taxa, V. Rick Mcdaniel, James E. Gardner Jan 1977

Cave Fauna Of Arkansas: Vertebrate Taxa, V. Rick Mcdaniel, James E. Gardner

Journal of the Arkansas Academy of Science

The second in a series of papers describing the fauna of Arkansas caves includes distributional records and ecological status (as a cavernicole) of 53 vertebrate taxa, including: 3 fishes, 7 salamanders, 6 frogs, 3 lizards, 7 snakes, one turtle, 3 birds, and 23 mammals. Several of the taxa occur on state lists of endangered species, but records accumulated during the past 5 years indicate the need for a reevaluation of the actual populational status of these organisms.


Growth, Mortality, Food Habits, And Fecundity Of The Buffalo River Smallmouth Bass, Raj V. Kilambi, Walter R. Robison, James C. Adams Jan 1977

Growth, Mortality, Food Habits, And Fecundity Of The Buffalo River Smallmouth Bass, Raj V. Kilambi, Walter R. Robison, James C. Adams

Journal of the Arkansas Academy of Science

Total length-scale radius, and length-weight relationships were determined for smallmouth bass from the Buffalo River. The back calculated lengths were used in analyzing the age-length data by the Bertalanffy growth formula. Asymptotic length and weight were estimated as 58.3 cm and 4.6 lbs, respectively. Annual mortality of 36 percent was estimated by the catch curve method. Insects (54%), fishes (16%), and crayfish (14%) were the abundant food organisms by frequency of occurrence; while fishes (64%) and crayfish (29%) were the dominant food items by the gravimetric method. Based on the gonosomatic indices and frequency distribution of ovum diameter measurements, smallmouth …


Fishes Of The Eleven Point River Within Arkansas, Michael B. Johnson, John K. Beadles Jan 1977

Fishes Of The Eleven Point River Within Arkansas, Michael B. Johnson, John K. Beadles

Journal of the Arkansas Academy of Science

A survey of the fishes of the Eleven Point River and its tributaries was made between 31 January 1976 and 13 February 1977. Sixty-three collections, literature records and personal communications revealed 90 species distributed among 19 families. This study revealed 31 species previously not reported for this river system. The Eleven Point River is a clear, predominantly springfed Ozark stream which is located in western Randolph County. From the Arkansas-Missouri state line, the Eleven Point River flows south for approximately 64 km before joining the Spring River. Terrain in the Arkansas portion of this river is rugged as the river …


Utilization Of Nest Boxes By The Southern Flying Squirrel, Glaucomys Volans, In Central Arkansas, Gary A. Heidt Jan 1977

Utilization Of Nest Boxes By The Southern Flying Squirrel, Glaucomys Volans, In Central Arkansas, Gary A. Heidt

Journal of the Arkansas Academy of Science

Thirty-five nest boxes were placed 4.5-5.5 meters above the ground in an eight acre mixed pine-hardwood plot 20 km SE of Bryant, Saline County, Arkansas. These boxes were monitored from February, 1972, to May, 1975. Flying squirrels used the boxes between October and May, probably returning to den trees during the hotter period of the year. A total of 30 squirrels (18 males and 12 females) were marked by ear notching during the three year period. The winter population of the study area was estimated to be between 10 and 15 squirrels. It was not uncommon to find eight or …


Fishes Of Crowley's Ridge In Arkansas, Robert F. Fulmer, George L. Harp Jan 1977

Fishes Of Crowley's Ridge In Arkansas, Robert F. Fulmer, George L. Harp

Journal of the Arkansas Academy of Science

Crowley's Ridge is one of the six natural geographic divisions of Arkansas which rises out of the Mississippi embayment as a relatively steep, uncultivated loessial mass. The ridge is drained by a network of headwater streams which are relatively clear with alkaline pH values and uniformly low alkalinity values. Carbon dioxide values were moderate and oxygen values were adequate. The fish species collected were basically headwater in composition. Isolated groups of characteristically upland species indicate that environmental quality of adjacent deltaic streams was better at one time.


Fishes Of Sylamore Creek, Stone County, Arkansas, George C. Frazier, John K. Beadles Jan 1977

Fishes Of Sylamore Creek, Stone County, Arkansas, George C. Frazier, John K. Beadles

Journal of the Arkansas Academy of Science

A survey of the fishes of Sylamore Creek in northcentral Arkansas yielded a total of 15,041 specimens representing 44 species, including one hybrid, distributed among 11 families. The three most abundant fishes collected were: Notropis pilsbryi Fowler, Dionda nubila (Forbes), and Notropis telescopus (Cope), respectively. Two species, Campostoma anomalum pullum (Agassiz), and N. pilsbryi, were collected at every station. Sylamore Creek is a clear predominantely spring-fed stream that originate in the Ozark Mountains of northcentral Arkansas and empties into the White River 72.3 km above Bates vilie. Sylamore Creek is composed of two branches, North and South Sylamore, which comprise …


Fishes Of Randolph County, Arkansas, Steve M. Bounds, John K. Beadles, Billy M. Johnson Jan 1977

Fishes Of Randolph County, Arkansas, Steve M. Bounds, John K. Beadles, Billy M. Johnson

Journal of the Arkansas Academy of Science

A survey of the fishes of Randolph County in northcentral Arkansas was made between June 1973 and March 1977. Field collections, literature records, and museum specimens revealed the ichthyofauna of Randolph County to be composed of 128 species distributed among 24 families. Cyprinidae was the largest family, being represented by 34 species while Percidae was represented by 24 species. Randolph County is composed of Ozark Uplands and Coastal Plain areas. All of the stream systems flow into the Black River system with the exception of Village Creek in the southeastern corner of the county which flows into White River. The …


Yolk-Periblast Junction In Fundulus Heteroclitus, Claudia F. Bailey Jan 1977

Yolk-Periblast Junction In Fundulus Heteroclitus, Claudia F. Bailey

Journal of the Arkansas Academy of Science

The yolk of teleost eggs becomes covered with a syncytial periblast during embryonic development. Nutrients must be transported through the periblast before they are available to the embryo. Tranmission electron micrographs of thin sections and of freeze-fractured replicas show a number of features at the yolk-periblast junction which may be correlated with yolk transport. These features include vesicle formation and exchange, channelization and interdigitation.


The Intestinal Platyhelminths Of Southwestern And Central West Virginia Amphibia And Relationships Between The Degree Of Infestation And Habitat Of Amphibians And Sex Of Host, Stanley B. Mills Jan 1977

The Intestinal Platyhelminths Of Southwestern And Central West Virginia Amphibia And Relationships Between The Degree Of Infestation And Habitat Of Amphibians And Sex Of Host, Stanley B. Mills

Theses, Dissertations and Capstones

In April and May, 1977, 397 (14 species) amphibians were collected from southwestern and central West Virginia and examined for parasites. Five species of trematodes and two species of cestodes were found from 93 hosts. The total of 397 amphibians was subdivided, for convenience, into six categories of amphibians; aquatic male and female, terrestro-aquatic male and female, and terrestrial male and female. Nine of 24 (37.5%). female aquatic amphibians was the highest incidence found, while terrestro-aquatic females contained the highest mean number (6.0) worms per incidence, and parasite loads of host. Hosts, each platyhelminth specimen are given.


Mammals Of Southwestern Minnesota, Carl H. Ernst, Lee French Jan 1977

Mammals Of Southwestern Minnesota, Carl H. Ernst, Lee French

Journal of the Minnesota Academy of Science

Ranges of the 45 wild mammals occuring in southwestern Minnesota are discussed and documented. Eight other species that either formerly occurred in the area or might exist but have not yet been documented also are considered. Seven species are recorded from southwestern Minnesota for the first time: Scalopus aquaticus, Myotis keenii, Lasionycteris noctivagans, Marmota monax, Spermophilus franklinii, Tamiasciurus hudsonicus, and Rattus norvegicus.


Revised Distribution Records Of Some Minnesota Fishes, Craig P. Anderson, James E. Erickson, Jon Ross, James C. Undershill Jan 1977

Revised Distribution Records Of Some Minnesota Fishes, Craig P. Anderson, James E. Erickson, Jon Ross, James C. Undershill

Journal of the Minnesota Academy of Science

Recent collections of fishes from Minnesota have resulted in the addition of one species, Fundulus sciadicus (Cyprinodontidae), to the state's inland faunal list. Additional information on the distribution of 12 other species (Notropis topeka, Notropis spilooterus, Ictiobus byprinellus, Carpiodes byprinus, Moxostoma valenciennesi, Notorus flavus, Morone chrysops, Lepomis megalotis, Stizostedion canadense, Percina shumardi, Etheostoma caeruleum, and Cottus bairdi) is presented. These new records are the result of field work in the Missouri River, Red River, and Lake Superior drainage systems of Minnesota.


Impact Of Dog Predation On Minnesota Whitetail Deer, Terry John Kreeger Jan 1977

Impact Of Dog Predation On Minnesota Whitetail Deer, Terry John Kreeger

Journal of the Minnesota Academy of Science

A survey was conducted among conservation officers in Minnesota to investigate predation by dogs (Canis familiaris) on the whitetail deer (Odocoileus virginianus) and the distribution of dog-killed deer within the state. Of the 124 conservation officers checked, 95 confirmed 407 deer killed by dogs from April 1, 1975, through March 31, 1976. Officers also received 1,483 complaints of dogs chasing deer and 626 dogs were destroyed in this activity. Ninety-four percent of these dogs were thought to be domestic, as opposed to feral. The effects of long-distance chases of deer by dogs, prey selectivity and the profile of the free-roaming …


Upland Nesting Of American Bitterns, Marsh Hawks, And Short-Eared Owls, Harold F. Duebbert, John T. Lokemoen Jan 1977

Upland Nesting Of American Bitterns, Marsh Hawks, And Short-Eared Owls, Harold F. Duebbert, John T. Lokemoen

United States Fish and Wildlife Service: Publications

Nests of American Bitterns (Botaurus lentiginosus), marsh hawks (Circus cyaneus), and short-eared owls (Asio flammeus) are usually found in wetland habitats. Although large marshes containing dense stands of bulrushes (Scirpus), cattails (Typha), or other wetland vegetation are favored nesting cover, these birds have also been reported to nest in stands of tall, dense shrubs and grasses on the upland (Bent 1961, 1963; Palmer 1962; Sealy 1967; Stewart 1975). During 1968-74, we regularly found upland nests of these three species while conducting duck nesting studies in planted fields of undisturbed grass-legume …


Fisheries Report No 28 - The Western Rock Lobster Fishery 1974-1975, G. R. Morgan, E H. Barker Jan 1977

Fisheries Report No 28 - The Western Rock Lobster Fishery 1974-1975, G. R. Morgan, E H. Barker

Fisheries Research Reports

The fishery for the western rock lobster Panultrus eygnus is one of the most important single fisheries in Australia and an important export earner for the State. The fishery is governed by a complex set of regulations which have been reviewed by Bowen (1971) and which are designed to limit the total effort to acceptable levels and to enforce a legal minimum size. It is thus important to constantly monitor the state of the fishery both to ensure that the effort is remaining within the accepted limits and that the regulations are adequately performing their function of maintaining reasonably stable …


Inventory Of Wetland Habitat Usig Remote Sensing For The Proposed Oahe Irrigation Unit In Eastern South Dakota, Robert G. Best, Donald G. Moore Jan 1977

Inventory Of Wetland Habitat Usig Remote Sensing For The Proposed Oahe Irrigation Unit In Eastern South Dakota, Robert G. Best, Donald G. Moore

United States Fish and Wildlife Service: Publications

An inventory of wetlands for the area included in the proposed Oahe Irrigation Project was conducted to provide supplemental data for the wildlife mitigation plan. This report including the data summaries follows a report which documented the interpretation techniques as presented by Best, Moore, and Brewster for inventoryinq small, predominantly Type I wetlands in the low-relief terrain of the Lake Dakota Plain. Wetland habitat in over 310,000 acres in the Oahe irrigation district was inventoried. There were 5305 wetlands representing 7530 acres, 589 acres of natural drains, and 1545 acres of stream habitat in the area. The data were stored …


Fisheries Report No 20 - Trawl Caught Fish And Crustaceans From Cockburn Sound, J. W. Penn Jan 1977

Fisheries Report No 20 - Trawl Caught Fish And Crustaceans From Cockburn Sound, J. W. Penn

Fisheries Research Reports

Cockburn Sound is one of the few sheltered embayments near the Perth metropolitan area and as such has been subjected to increasing usage by both the general public and industry. Historically the Sound has been a major commercial fishing area from which much of the fresh fish for the metropolitan area has been caught. More recently, as well as providing a significant commercial catch, a major sport fishery has developed in the area.

The first commercial trawling operations in Cockburn Sound were undertaken in the early part of this century when horses were used to tow small nets on the …


Fisheries Report No 31 - Pecten Scallop Survey On Southern Geographe Bay, September 1976, D. I. Heald Jan 1977

Fisheries Report No 31 - Pecten Scallop Survey On Southern Geographe Bay, September 1976, D. I. Heald

Fisheries Research Reports

Reports of Pecten scallops in Geographe Bay in late 1975 were followed up by a preliminary stock survey in February 1976 using 1.22 m dredges and by a more extensive survey in September 1976 using 1.22 m and 2.25 m scallop dredges and a 0.5 m* Baird grab. Two very limited concentrations of scallops were located adjacent to rough ground. The best dredge catch rates were equivalent to 44 kg per hour per standard haul and the maximum grab catch was equivalent to a density of six scallops per square metre. The extremely rough terrain resulted in considerable damage to …


Fisheries Report No 27 - A Survey Of Recreational Usage Of South Coastal Estuaries Of Western Australia, N. Caputi, R C.J. Lenanton Jan 1977

Fisheries Report No 27 - A Survey Of Recreational Usage Of South Coastal Estuaries Of Western Australia, N. Caputi, R C.J. Lenanton

Fisheries Research Reports

Over recent years, factors such as the State's population increase, a generally higher standard of living which enables people to have more leisure time, and better roads, particularly from the Eastern States of Australia, have all contributed towards an increase in the general recreational usage of the Western Australian south coast estuaries.

To aid proper planning of facilities to cater for an increasing number of visitors in these south coast estuaries, management agencies must be able to quantify the recreational usage in this group of estuaries.

This survey, therefore, attempts to identify and quantify the different recreational pursuits of visitors …


Fisheries Report No 24 - The Status Of The Salt-Water Crocodile In Some River Systems Of The North-West Kimberley, Western Australia, H. Messel, A. A. Burbidge, A. G. Wells, W. J. Green Jan 1977

Fisheries Report No 24 - The Status Of The Salt-Water Crocodile In Some River Systems Of The North-West Kimberley, Western Australia, H. Messel, A. A. Burbidge, A. G. Wells, W. J. Green

Fisheries Research Reports

Counts were made of Salt-water Crocodiles (Crocodylus porosus) in the estuarine portions of four river systems in the northwest Kimberley, Western Australia - the Lawley, Mitchell, Roe-Hunter and Prince Regent. During the ten day survey 463 crocodiles were spotted, including 109 hatchlings. The maximum number of non-hatchling crocodiles present tin the four systems is estimated at 697. Very few large crocodiles were seen.

Populations were particularly small in the Lawley and Mitchell Rivers and the potential for recovery in this area is also small. Prospects for recovery in the Roe-Hunter and Prince Regent were a little better but further surveys …


Fisheries Report No 29 - The Predation Of Pot - Caught Western Rock Lobster (Panulirus Longpipes Cygnus) By Octopus, L M. Joll Jan 1977

Fisheries Report No 29 - The Predation Of Pot - Caught Western Rock Lobster (Panulirus Longpipes Cygnus) By Octopus, L M. Joll

Fisheries Research Reports

The losses to the western rock lobster fishery through the predation of pot-caught rock lobsters by octopus were estimated from samples taken on commercial boats in the four seasons 1972/73 - 1975/76. In most seasons approximately 200 000 legal-sized rock lobsters were lost. In the 1975/76 season the estimated financial loss from octopus predation was $392 000. The estimated losses probably represent minimum values. Studies of the biology and behaviour of octopus were carried out to examine the methods of detection, location and entry into rock lobster pots by octopus. The use of octopus traps in rock lobster pots significantly …


Argulus, A Branchiuran Parasite Of Freshwater Fishes, G. L. Hoffman Jan 1977

Argulus, A Branchiuran Parasite Of Freshwater Fishes, G. L. Hoffman

United States Fish and Wildlife Service: Publications

"Fish lice" of the genus Argulus (suborder Branchiura) are Common parasites of freshwater fish, and may occur on frogs and salamanders. Argulids often cause severe mortality of fish in farm ponds, and sometimes in natural waters. Because information on life cycles, ecology, and host specificity is incomplete only a generalized account can be given.


Spring Viremia Of Carp, Winfried Ahne, Ken Wolf Jan 1977

Spring Viremia Of Carp, Winfried Ahne, Ken Wolf

United States Fish and Wildlife Service: Publications

Dating back nearly SO years and possibly even to the Middle Ages, European pond culture of carp (Cyprinus carpio) and perhaps other cyprinid fishes has been plagued with a contagious disease of great importance. Variously known as infectious dropsy, infectious ascites, hemorrhagic septicemia, or rubella, the disease is probably the most serious cause of losses among these fishes; nearly sao reports have been published on the subject.


Visual Detection Of Cryptic Prey By Blue Jays (Cyanocitta Cristata), Alexandra T. Pietrewicz, Alan Kamil Jan 1977

Visual Detection Of Cryptic Prey By Blue Jays (Cyanocitta Cristata), Alexandra T. Pietrewicz, Alan Kamil

Avian Cognition Papers

Blue jays learned to respond differentially to the presence or absence of Catocala moths in slides. This detection of the moths by the jays was affected by the background upon which the moth was placed and its body orientation, thus providing an objective measure of crypticity. These procedures are useful for the study of visual detection of prey.


Ak-Sar-Ben Beef Seminar Ill, Knights Of Ak-Sar-Ben Jan 1977

Ak-Sar-Ben Beef Seminar Ill, Knights Of Ak-Sar-Ben

University of Nebraska Historical Extension: Bulletin

Opening Remarks - Mr. Robert G. Volk

"Objectives of 4-H" - Dr. William E. Caldwell

Moderator's Remarks - Dr. Frank H. Baker

"Carcass Characteristics of Various Breed Crosses" — Dr. Robert Koch

Production Committee Report - Mr. Chuck Schroeder

Judges Committee Report - Dr. Miles McKee

Marketing and Distribution Report - Mr. Carl Gardner

Education Committee Report - Dr. Joe Hughes

Summary of Ak-Sar-Ben Beef Seminar III - Moderator

News Release on Ak-Sar-Ben Beef Seminar III