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New Distributional Records For Freshwater Mussels In The Ouachita River, Arkansas, William R. Posey Ii, John L. Harris, George L. Harp

Journal of the Arkansas Academy of Science

Two freshwater mussel species thought to have been extirpated from Arkansas have recently been rediscovered in the Ouachita River in the vicinity of Camden. Prior to this survey, Wheeler (1918) last reported Arkansia wheeleri Ortmann and Walker, the Ouachita rock-pocketbook, and Cumberlandia monodonta (Say), the spectaclecase, from the Ouachita River near Arkadelphia. Quadrula apiculata (Lea), the southern mapleleaf, has been reported from Arkansas on two occasions, but due to taxonomic uncertainty, it has not been recognized in recent compilations of Arkansas freshwater mussels. During this survey, the southern mapleleaf was collected from the Ouachita River which verifies its occurrence within …

Distribution And Natural History Aspects Of The Arkansas Endemic Crayfish, Cambarus Causeyi Reimer, Henry W. Robison, Gene Leeds

Journal of the Arkansas Academy of Science

Recent collections of the Arkansas endemic crayfish, Cambarus causeyi Reimer, have yielded important information concerning its distribution and habitat within the state. New locations and county records are enumerated, habitat preferences discussed, and status ofthis heretofore rare crayfish species is clarified.

One-Year Study Of The Species Diversity And Relative Abundance Of Snakes And Lizards In The Jack Mountain Region Of Hot Springs County, Arkansas, Vincent A. Cobb, Jeff A. Summerhill

Journal of the Arkansas Academy of Science

No abstract provided.

Microorganisms Associated With The Carapace And Plastron Of Aquatic Turtles (Pseudemys Concinna And Trachemys Scripta) In Southwestern Arkansas, Renn Tumlison, Sharon Clark

Journal of the Arkansas Academy of Science

No abstract provided.

Recent Record Of The White Sucker, Catostomus Commersoni, In The White River System, Arkansas, James C. Petersen, Faron D. Usrey, William E. Keith, James A. Wise

Journal of the Arkansas Academy of Science

No abstract provided.

What Is An Adventist? Someone Who Upholds Creation, Marco T. Terreros

Journal of the Adventist Theological Society

No abstract provided.

An Ecology Field Project Book, Marc Mangel, Paul Switzer, Sarah M. Eppley

Biology Faculty Publications and Presentations

An ecological field project book, produced by the authors in conjunction with the University of California, Section of Evolution and Ecology and Center for Population Biology.

Leptographium Pyrinum Is A Mycangial Fungus Of Dendroctonus Adjunctus, Diana Six, T. D. Paine

Ecosystem and Conservation Sciences Faculty Publications

Several species of Dendroctonus (Coleop- tera: Scolytidae) have cuticular invaginations, or my- cangia, in the integument which are specialized for carrying specific symbiotic fungi. The mycangium of Dendroctonus adjunctus, located under a callus that surrounds the prothorax, has been recognized but the mycangial fungus has not yet been identified. Fungi from mycangia of Dendroctonus adjunctus were isolated and compared with Leptographium pyrinum and Ophiostoma adjuncti, two species of fungi known to be present in trees colonized by Dendroctonus ad- junctus. Fungi isolated from Dendroctonus adjunctus mycangia were determined to be morphologically and genetically identical to Leptographium pyrinum

Predicting Cognitive Capacity From Natural History: Examples From Four Species Of Corvids, Russell P. Balda, Alan Kamil, Peter A. Bednekoff

Papers in Behavior in Biological Sciences

Birds have been studied for centuries because they are numerous, conspicuous, and aesthetically pleasing to humans. Despite their overall regard for birds, historically, many ornithologists have considered birds as instinct-driven organisms of little intellectual capacity. For example, the ornithological textbook of choice from the 1960s states the following view of avian intelligence:

Flight has proven to be an enormously successful evolutionary venture, but one that has cost birds dearly in mental development. In effect, problems merely by flying away from them. … As a consequence, much [avian] behavior is, by mammalian standards, fragmentary, stereotyped, and at times amazingly stupid. (Welty, …

Visual Search For Natural Grains In Pigeons (Columba Livia) : Search Images And Selective Attention, Cynthia M. Langley, Donald A. Riley, Alan B. Bond, Namni Goel

Papers in Behavior in Biological Sciences

The experiments reported here were designed to test the suggestion of many researchers that selective attention to visual features of a prey can account for search-image effects. In 3 experiments pigeons ate wheat and vetch grains presented on multicolored and gray gravel trays. In Experiment 1 search-image effects were evident when grains were cryptic but not when they were conspicuous. Experiment 2 demonstrated that search images can be activated when the grains encountered are either cryptic or conspicuous but that search images affect search performance only when the grains are cryptic. Experiment 3 demonstrated that search images are short-term in …

Pattern And Duration Of Copulation In Wolf Spiders (Araneae, Lycosidae), Gail E. Stratton, Eileen Hebets, Patricia R. Miller, Gary L. Miller

Eileen Hebets Publications

The temporal patterns of insertion of male palps, expansion of the hematodocha and duration of copulation are reported for 10 species of Schizocosa Chamberlin 1904, three species of Rabidosa Roewer 1955, one species of Gladicosa Brady 1986, one species of Hogna Simon 1885, two species of Isohogna Roewer 1960, one species of Trochosa C.L. Koch 1848, one species of Geolycosa Montgomery 1904, two species of Arctosn C.L. Koch 1848, three species of Alopecosa Simon 1885 and six species of Pardosa C.L. Koch 1847. In all species of Schizocosa examined so far, males showed a pattern composed of a series of …

Review Of Linda W. Davis, Weed Seeds Of The Great Plains, Svata M. Louda

Svata M. Louda Publications

The purpose of this useful 145-page book is to provide both a source of comparative information on seeds of 280 weedy plant species in the Great Plains and a means of identifying them. ... The 286 color photographs are the most valuable part of the book. ... Overall, I am delighted to have this book and recommend it to anyone who needs to identify weed seeds and, in fact, to anyone fascinated by the beauty and variation among plants displayed in nature.

Faunal Diversity Among Avian Parasite Assemblages: The Interaction Of History, Ecology, And Biogeography In Marine Systems, Eric P. Hoberg

Harold W. Manter Laboratory of Parasitology: Faculty Publications

Systematics and parasite biodiversity provide power and predictability in broad studies of history, ecology and biogeography in marine systems. Parasitic helminths are elegant markers of contemporary and historical ecological relationships, geographic distribution and host-phylogeny. Complex life cycles of helminths are strongly correlated with intricate food-webs. Dependence on a series of intermediate, paratenic, and definitive hosts indicates that each parasite species represents an array of organisms within a community and tracks broadly and predictably across many trophic levels. Host and geographic ranges of parasites are historically constrained by genealogical and ecological associations, and these determinents interact resulting in characteristic parasite community …

Microevolutionary Patterns And Molecular Markers: The Genetics Of Geographic Variation In Ascaris Suum, Steven A. Nadler

Harold W. Manter Laboratory of Parasitology: Faculty Publications

Molecular markers have been used only rarely to characterize the population genetic structure of nematodes. Published studies have suggested that different taxa may show distinct genetic architectures. Isoenzyme and RAPD markers have been used to investigate geographic variation of Ascaris suum at the level of infrapopulations (nematodes within individual hosts), within localities, and among geographic regions. Independent estimates of genetic differentiation among population samples based on isoenzyme and RAPD data showed similar patterns and substantial correlation. Heterozygote deficiencies within infrapopulations and large values for inbreeding coefficients among infrapopulations suggested that the composition of these populations was not consistent with a …

Analytical Perspectives On A Protohistoric Cache Of Ceramic Jars From The Lower Colorado Desert, James M. Bayman, Richard H. Hevly, Boma Johnson, Karl J. Reinhard, Richard Ryan

Karl Reinhard Publications

A cache of hermetically sealed ceramic jars found in the Lower Colorado Desert was examined using chronometric dating, pollen and macrofossil extraction, design analysis, and water retention experimentation. The cache apparently dates to the protohistoricfifteenth through seventeenth centuries. Findings from these studies contribute to knowledge in four problem areas: (1) ceramic jar function and use-history; (2) storage technology and caching behavior; (3) ceramic dating and chronology; and (4) symbolic iconography. Biotic remains from inside the jars document their use for transporting a variety of riverine and desert plants, before they were finally filled with flowers and seeds, and placed in …

Leptodactylus Silvanimbus (Amphibia: Anura: Leptodactylidae): Natural History Notes, Advertisement Call, And Relationships, W. Ronald Heyer, Rafael O. De Sá, James R. Mccranie, Larry David Wilson

Biology Faculty Publications

In July 1995, we visited two of the three previously known localities for Leprodactylus silvanimbus in Departamento de Ocotepeque, Honduras. We found a new breeding site for the species, recorded its advertisement call, and collected and observed its adults and larvae. The purpose of this paper is to present the results of these new findings and to comment on the relationships L. silvanimbus.

Synthetic Organic Compounds: Las Vegas Wash And Lake Mead, National Water Quality Assessment Program (Nawqa): Nevada Basin And Range

Publications (WR)

The Nevada Basin and Range (NVBR) study unit of the U.S. Geological Survey's National Water-Quality Assessment (NAWQA) Program is investigating the status of, trends in, and factors affecting water quality in the Las Vegas area. A principal objective of the investigation is to assess the effects of urbanization on the quality of area water resources. Las Vegas Wash is the surface-water outlet for the Las Vegas area. The wash transports stormwater runoff, shallow ground-water discharge, and tertiary-treated sewage effluent from the Las Vegas area to Las Vegas Bay of Lake Mead on the Colorado River. Most of the flow—about 96 …

Características De La Osificación Craneal En Phyllomedusa Boliviana (Anura: Hylidae), Rafael O. De Sá, E. O. Lavilla

Biology Faculty Publications

RESUMEN. Dentro de la familia Hylidae disponemos de información sobre las secuencias de osificación craneal para menos del 4.0% de sus miembros. El presente trabajo describe la secuencia de osificación craneal de Phyllomedusa boliviana. El patrón general de osificación es similar a lo reportado para otras especies de la familia, pero existen algunas diferencias importantes tales como la osificación tardía de los próoticos y la osificación premetamórfica de neopalatino, vómer, cuadrado-yugal, pterigoides y columela. El lento desarrollo ulterior de la osificación resulta en juveniles con cráneos extensamente cartilaginosos.

ABSTRACT. Characteristics of the cranial ossification in Phyllomedusa …

Hyla Multifasciata, Rafael O. De Sá

Biology Faculty Publications

Hyla multifasciata is a medium to large species in the albopunctata species group, adults ranging in size from 42 - 61 mm SVL (mean male SVL = 48 mm, mean female SVL = 53 mm). The head is longer than wide. The snout is rounded in dorsal view, whereas in lateral view it is rounded and protrudes slightly beyond the mandible. The canthus rostralis is rounded and distinct, the loreal region is concave, and the internarial region is convex. The eyes are large, approximately twice the diameter of the tympanum. The tympanum is separated from the eye by a distance …

The Influence Of Environmental Ph And Bicarbonate Concentration On The Excretion Of Nitrogenous Waste Products In Two Species Of Freshwater Teleost, Paul D. Fabsits

Masters Theses

The catabolism of amino acids derived from dietary protein results in the production of ammonia and bicarbonate ion, waste products that an animal must eliminate. Often, animals excrete a nitrogenous waste product that is correlated with water availability: Freshwater fish, living where water is abundant, usually excrete ammonia while terrestrial animals excrete urea or uric acid. Recent studies report that fish inhabiting alkaline waters (pH 10) characterized by high bicarbonate concentrations do not excrete ammonia, instead synthesize urea, an energetically expensive process. The conversion to urea excretion by a normally ammonotelic animal is likely to be stimulated by a specific …

Physical Condition And Reproductive Success Of White-Tailed Deer At Fort Chaffee, Ar: A Five-Year Study, Donald A. Phillips

Masters Theses

A baseline study conducted in 1991 demonstrated that the resident white-tailed deer (Odocoileus virginianus) population at Fort Chaffee, Arkansas was in poor condition, with below average reproductive success, body weight, and antler size, and above average parasite load compared to other regional deer populations. Consequently, a management program was initiated in 1991 which included: (1) neutralizing acidic soils, (2) prescribed burning, (3) planting supplemental food plots, and (4) liberalizing the harvest of female adults from the population. The purpose of this study was to monitor changes in the health and reproductive success of the herd as this program was implemented. …

Small Mammal Community Structure In Restored Prairies, Kathleen A. Falout

Masters Theses

The Illinois Department of Natural Resources currently manages approximately 4,000 hectares of natural prairie. High human impacts coupled with small patch size result in challenging management decisions for prairie conservation. The ideal restored prairie would consist of a mosaic of habitats varying in vegetation from forb-grass dominated areas to oak savannas, with concurrent stages of vegetative succession occurring across the habitats. A study was conducted at the Middle Fork State Fish and Wildlife Area located in Vermillion County, IL, to analyze small mammal diversity and community composition among three different stages of prairie restoration.

The three treatment categories were: fallow …

Cytogenetic And Isozyme Analysis Of Two Species Of North American Cyprinid Fishes : Rhinichthys Cataractae And Nocomis Micropogon From The Cheat River Drainages Of West Virginia, Syam B. Stoll

Theses, Dissertations and Capstones

Nocomos micropoqon and Rhinichthys cataractae are species of cyprinid fishes that may hybridize to produce a nominally described species Rhynichthys bowersi. Rhynichthys bowersi is a rare fish endemic to a few watersheds mostly in West Virginia, especially the Cheat River drainage. The resolution of its proper taxonomic status is presently a concern to state and federal regulatory agencies. A number of investigators have determined relatedness of cyprinid fishes by examining chromosomal structure. Telomeres and nucleolar organizer regions are chromosome structures used in inter and intraspecific phylogeny. In this study, fibroblasts from N. micropoqon and R. cataractae were first …

Toxin Producing Phytoplankton In Chesapeake Bay, Harold G. Marshall

Biological Sciences Faculty Publications

Three diatoms and nine dinoflagellates, known to be associated with toxin production, have been identified within Chesapeake Bay. Over the past several decades this number has increased to its present level so that they now represent approximately 1.7% the total number of phytoplankton species reported for the Bay.

Cascading Disturbances In Florida Bay, Usa: Cyanobacteria Blooms, Sponge Mortality, And Implications For Juvenile Spiny Lobsters Panulirus Argus, Mark J. Butler Iv, John H. Hunt, William F. Herrnkind, Michael J. Childress, Rodney Bertelsen, William Sharp, Thomas Matthews, Jennifer M. Field, Harold G. Marshall

Biological Sciences Faculty Publications

Florida Bay, the shallow lagoon separating mainland Florida and the Florida Keys, USA, is experiencing an unprecedented series of ecological disturbances. In 1991, following reports of other ecosystem perturbations, we observed widespread and persistent blooms of cyanobacteria that coincided with the decimation of sponge communities over hundreds of square kilometers. Juvenile Caribbean spiny lobsters Panulirus argus, among other animals, rely on sponges for shelter; the impact of sponge loss on the abundance of lobsters and their use of shelter, in particular, has been dramatic. The loss of sponges on 27 experimental sites in hard bottom habitat in central Florida Bay …

A Review Of Ministerial Policy Guidelines For Rock Lobster Processing In Western Australia From The Working Group Appointed By The Minister For Fisheries And Chaired By Peter Rich, Peter Rich

Fisheries Management Papers

The rock lobster processing industry in Western Australia has a long history of management. Whilst management of the industry through the Fisheries Department has obviously been successful in helping to build the rock lobster industry into one of the State's major export industries, this approach is not without problems. With the introduction of the Fisheries Management Act 1994, the Minister for Fisheries deemed it appropriate to appoint an expert group to review the existing regulation of the rock lobster processing sector, draft the necessary guidelines to assist the Executive Director of the Fisheries Department make decisions on rock lobster processing …

Flea News 51 (December 1995), Robert E. Lewis

Flea News

Obituaries:George MacKenzie Dunnet (April 19, 1928-September 11, 1995); William Livingston Jellison (January 28, 1906-November 7, 1995)

Miscellanea

Siphonaptera literatue

The Prairie Naturalist Volume 27, No.4 December 1995

The Prairie Naturalist

NEW DISTRIBUTIONAL RECORDS FOR MAMMALS IN KANSAS · D. W Sparks and J. R. Choate

CLAY-COLORED SPARROWS IN NORTH DAKOTA PARASITIZED BY BROWN-HEADED COWBIRDS ▪ G. P. Romig and R. D. Crawford

A NOTEWORTHY RECORD AND THE BREEDING DISTRIBUTION OF THE BLUE GROSBEAK IN NORTH DAKOTA ▪ L. D. Igl

NEAR LONGEVITY RECORD FOR THE SNOW GOOSE ▪ M T. Koenen and D. M. Leslie, Jr.

COMPARISON OF WATER CONSUMPTION BETWEEN TWO GRASSLAND EMBERIZIDS ▪ J. L. Zimmerman

FACTORS ASSOCIATED WITH DECLINING PROPORTION OF CITIZENS HUNTING IN SOUTH DAKOTA ▪ N. J. Dietz, K. F. Higgins, and R. D. Mendelsohn …

Feeding And Nesting Ecology Of The Great Kiskadee, Pitangus Sulphuratus Texanus (Passeriformes: Tyrannidae) In The Lower Rio Grande Valley, Texas, Robert Luis Gorena

Theses and Dissertations - UTB/UTPA

The foraging and nesting ecology of the Great Kiskadee was studied in the Lower Rio Grande Valley, Texas during 1994 and 1995. Adult kiskadees were found to be omnivorous, feeding mainly on fleshy fruits, fish, and dragonflies, and capturing animal prey mainly by surface gleaning into water or hawking prey out of midair. Nests are constructed mainly during March and April and are built at heights between 6 and 10 meters apparently without preference to tree species. Of 29 nests observed, 66% (19) were active during at least part of the breeding season. Nestlings are fed a diet very similar …

Movement Patterns And Habitat Use Of The Copperhead Snake (Agkistrodon Contortrix) In Southeastern Virginia, Christopher Edwin Petersen

Biological Sciences Theses & Dissertations

Radiotelemetry was used to study seasonal movement patterns, habitat use, and thermal relations of nine copperhead snakes, Agkistrodon contortrix, in southeastern Virginia from May 1993 to May 1995. Daily movements ranged from 0-450 m, with 0-5 m movements accounting for 65% of the observations. The seasonal movements of males were more extensive than those of females. Differences in seasonal movements between the sexes may be due to reproductive activity of the snakes. Both males and females significantly reduced their movements prior to shedding. More time was spent using upland deciduous forests than lowland river swamps or anthropogenic habitat. Copperheads …