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Journal of the Arkansas Academy of Science

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Articles 151 - 180 of 438

Full-Text Articles in Zoology

Fishes Of The Pine Bluff Arsenal, Jefferson County, Arkansas, Henry W. Robison Jan 2005

Fishes Of The Pine Bluff Arsenal, Jefferson County, Arkansas, Henry W. Robison

Journal of the Arkansas Academy of Science

A survey of the fishes of the Pine Bluff Arsenal (PBA) located in Jefferson County, Arkansas was initiated in February 1999 and continued until October 1999 with several supplemental collections made in 2000. A total of 3,396 fishes was taken in 81 collections on the PBA and revealed 59 species distributed in 17 families and 36 genera. The most abundant fishes collected were Dorosoma petenense, Gambusia affinis, Labidesthes sicculus, Notemigonus crysoleucas, and Lepomis marginatus.

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Pesticide Residues In Guano Of Gray Bats (Myotis Grisecens) In Arkansas, D. Blake Sasse Jan 2005

Pesticide Residues In Guano Of Gray Bats (Myotis Grisecens) In Arkansas, D. Blake Sasse

Journal of the Arkansas Academy of Science

No abstract provided.

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Small Fish Species Of Arkansas Reservoirs, Thomas M. Buchanan Jan 2005

Small Fish Species Of Arkansas Reservoirs, Thomas M. Buchanan

Journal of the Arkansas Academy of Science

Sixty-six Arkansas reservoirs were sampled with rotenone from 1997 through 2004 to determine the distribution and species richness of small, nongame fish species in manmade lentic environments. Eighty-five small fish species distributed among 13 families were collected. Fish distribution and species richness varied by reservoir size, ecoregion, and reservoir type. Species richness was significantly correlated with reservoir size and the number of small species occurring in reservoir drainages. Some small species apparently maintained breeding populations in reservoirs, other species occurred in low numbers and may not have maintained breeding populations, and some species occurred sporadically, probably as stragglers from nearby …

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Distribution Of Bats In Bottomland Hardwood Forests Of The Arkansas Delta Region, H. Bobby Fokidis, Stephen C. Brandebura, Thomas S. Risch Jan 2005

Distribution Of Bats In Bottomland Hardwood Forests Of The Arkansas Delta Region, H. Bobby Fokidis, Stephen C. Brandebura, Thomas S. Risch

Journal of the Arkansas Academy of Science

Bat distribution data is incomplete for the delta region of Arkansas. We extensively surveyed 16 counties within the Mississippi alluvial plain that comprises the delta from late spring to early fall 2004 using mist nets. We obtained 44 new county records for 9 species: Myotis lucifigus, M. austroriparius, Pipistrellus subflavus, Eptesicus fuscus, Lasiurus seminolus, L. borealis, L. cinereus, Nycticeius humeralis, and Corynorhinus rafinesquii. We generated updated distribution maps for these species and eastward Arkansas range expansions were documented for L.seminolus. Possible sampling concerns and research directions are discussed in relation to the needs of bats inhabiting bottomland forests of the …

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Annotated Checklist Of The Amphipoda Of Arkansas With Emphasis Upon Groundwater Habitats, G. O. Graening, Michael E. Slay, John R. Holsinger Jan 2005

Annotated Checklist Of The Amphipoda Of Arkansas With Emphasis Upon Groundwater Habitats, G. O. Graening, Michael E. Slay, John R. Holsinger

Journal of the Arkansas Academy of Science

Based on recent collections and review of the literature, 20 species of freshwater amphipod crustaceans are listed from the state of Arkansas. Included are species from the families Allocrangonyctidae, Crangonyctidae, Gammaridae and Hyalellidae and the genera Allocrangonyx, Bactrurus, Crangonyx, Stygobromus, Gammarus, and Hyalella. Ten of the species are restricted to subterranean groundwaters, 2 are closely associated with groundwater but also occur in surface waters, and 8 are known primarily from surface waters. Two of the species are in the process of being described in the literature, whereas 2 remain only provisionally recognized to date. On the basis of this new …

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Distribution And Status Of The Kiamichi Shiner, Nottropis Ortenburgeri Hubbs (Cyprinidae), Henry W. Robison Jan 2005

Distribution And Status Of The Kiamichi Shiner, Nottropis Ortenburgeri Hubbs (Cyprinidae), Henry W. Robison

Journal of the Arkansas Academy of Science

The Kiamichi shiner, Notropis ortenburgeri, a diminuitive, silvery, upland stream fish in southwestern Arkansas and eastern Oklahoma was studied from 1999-2001 to determine its distribution, habitat, and conservation status in Arkansas and Oklahoma. Eighty-five collections were made during the two-year study. The present distribution in Arkansas and Oklahoma is described as well as the conservation status of the Kiamichi shiner in both states.

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Seasonal Incidence Of Sperm Within The Spermathecae Of Ouachita Dusky Salamanders (Desmognathus Brimleyorum) In Arkansas, Stanley E. Trauth, Michelle N. Mary Jan 2005

Seasonal Incidence Of Sperm Within The Spermathecae Of Ouachita Dusky Salamanders (Desmognathus Brimleyorum) In Arkansas, Stanley E. Trauth, Michelle N. Mary

Journal of the Arkansas Academy of Science

We examined 91 adult female Ouachita dusky salamanders {Desmognathus brimleyorum) to determine the seasonal incidence of sperm within spermathecae. The spermatheca (sperm storage gland) along with supporting tissue was removed from the dorsal cloacal wall of each female and prepared for light microscopy. We recorded the reproductive condition of females (diameter of enlarged ovarian follicles =EOF) and found large aggregates of sperm within the spermathecae during all months, except February (no specimens available). The highest incidence of sperm in spermathecae occurred in July specimens (53%; n = 17). Although the known nesting season runs from July into August in this …

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Identification Of Cystacanths And Adults Of Oligacanthorhynchus Tortuosa, Macracanthorhynchus Ingens, And Macracanthorhynchus Hirudinaceus Based On Probiscis And Hook Morphometrics, Dennis J. Richardson Jan 2005

Identification Of Cystacanths And Adults Of Oligacanthorhynchus Tortuosa, Macracanthorhynchus Ingens, And Macracanthorhynchus Hirudinaceus Based On Probiscis And Hook Morphometrics, Dennis J. Richardson

Journal of the Arkansas Academy of Science

No abstract provided.

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Abnormalities In The Ozark Hellbender, (Cryptobranchus Alleganiensis Bishopi) In Arkansas: A Comparison Between Two Rivers With A Historical Perspective, Waylon R. Hiler, Benjamin A. Wheeler, Stanley E. Trauth Jan 2005

Abnormalities In The Ozark Hellbender, (Cryptobranchus Alleganiensis Bishopi) In Arkansas: A Comparison Between Two Rivers With A Historical Perspective, Waylon R. Hiler, Benjamin A. Wheeler, Stanley E. Trauth

Journal of the Arkansas Academy of Science

We documented abnormalities of Ozark hellbender (Cryptobranchus alleganiensis bishopi) populations in the Eleven Point River (Randolph County, Arkansas) and the Spring River (Fulton County, Arkansas) as part of ongoing monitoring efforts in this species. We found abnormalities in 90% (9 of 10) and 40% (36 of 97) of hellbenders in the Spring River and Eleven Point River, respectively, during the 2003-2004 field seasons. Most abnormalities found in Eleven Point hellbenders were generally less invasive and seemed to be more intrinsic to the species' natural history (i.e., vicissitudes of living), whereas those found in Spring River hellbenders were gross morphological aberrations. …

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Status Survey Of The Arkansas Endemic Crayfish, Fallicambarus Gilpini Hobbs And Robinson, Henry W. Robison, Brian K. Wagner Jan 2005

Status Survey Of The Arkansas Endemic Crayfish, Fallicambarus Gilpini Hobbs And Robinson, Henry W. Robison, Brian K. Wagner

Journal of the Arkansas Academy of Science

Fieldwork was conducted during 2002-2003 on the rare, Arkansas endemic crayfish, Fallicambarus gilpini Hobbs and Robison. Collections at 87 localities revealed this crayfish at 8 sites, all located in southeastern Arkansas in Jefferson and Cleveland counties which significantly expands its known range. Fallicambarus gilpini was generally found inhabiting roadside ditches and areas of standing water where it was always taken from upslope areas away from the static water. A sex ratio of 1:1.3 males to females was determined for this species. Ovigerous females were collected from burrows on 20 March 2003. A conservation status of "threatened" is recommended for this …

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Songbird Inventory For Arkansas Post National Memorial, Philip A. Tappe Jan 2005

Songbird Inventory For Arkansas Post National Memorial, Philip A. Tappe

Journal of the Arkansas Academy of Science

Two geographically separate units of Arkansas Post National Memorial were surveyed via fixed-radius plots to document songbird species composition, richness, and diversity by migratory status and nesting guild. At the Memorial Unit, 60 species vere recorded with the Brown-headed Cowbird, Red-winged Blackbird, and Northern Cardinal being most common. individuals of these three species comprised 30% of the total number of birds recorded despite representing only 5% of the species encountered. About 2 1/2 times more resident birds were recorded than migratory birds. However, species richness and diversity of resident and migratory species were similar. The number of individuals, species richness, …

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Response Of An Arkansas White-Tailed Deer Population To Harvest, Robert E. Kissell Jr., Philip A. Tappe Jan 2005

Response Of An Arkansas White-Tailed Deer Population To Harvest, Robert E. Kissell Jr., Philip A. Tappe

Journal of the Arkansas Academy of Science

No abstract provided.

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Deer-Vehicle Collisions In Arkansas, Philip A. Tappe Jan 2005

Deer-Vehicle Collisions In Arkansas, Philip A. Tappe

Journal of the Arkansas Academy of Science

No abstract provided.

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Western Kingbird (Tyrannus Verticalis): Recently Established Breeding Bird In Arkansas, Elizabeth Ellis, Ragupathy Kannan Jan 2004

Western Kingbird (Tyrannus Verticalis): Recently Established Breeding Bird In Arkansas, Elizabeth Ellis, Ragupathy Kannan

Journal of the Arkansas Academy of Science

The Western Kingbird (Tyrannus verticalis) has nested for six consecutive years in Arkansas since 1998. Eleven nests of this species were observed in the summer of 2003 in urban areas of Fort Smith (Sebastian Co.) and Van Buren (Crawford Co.). All nests were on human-made structures. Of the 11, seven (64%) were located on power stations and the remaining four (36%) were on light posts. Mean nest height was 7.92 m (n = 11nests) and the mean width of nest poles was 31.18 cm (n= 4). Nest building lasted 12 to 13 days (mean = 12.5 days, n = 2 …

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Unusual Hybognathus (Osteichthyes, Cyprinidae) From Lower White River, Arkansas, David A. Etnier, Henry W. Robison Jan 2004

Unusual Hybognathus (Osteichthyes, Cyprinidae) From Lower White River, Arkansas, David A. Etnier, Henry W. Robison

Journal of the Arkansas Academy of Science

No abstract provided.

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First Documentation That Henslow's Sparrow Regularly Occurs During The Breeding And Wintering Seasons In Arkansas, William C. Hollimon, Robert H. Doster, Douglas A. James, Michael A. Mlodinow, Joseph C. Neal, William M. Shepherd Jan 2004

First Documentation That Henslow's Sparrow Regularly Occurs During The Breeding And Wintering Seasons In Arkansas, William C. Hollimon, Robert H. Doster, Douglas A. James, Michael A. Mlodinow, Joseph C. Neal, William M. Shepherd

Journal of the Arkansas Academy of Science

No abstract provided.

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Assessment Of Thermal Infrared Detection Rates Using White-Tailed Deer Surrogates, Robert E. Kissell Jr., Philip A. Tappe Jan 2004

Assessment Of Thermal Infrared Detection Rates Using White-Tailed Deer Surrogates, Robert E. Kissell Jr., Philip A. Tappe

Journal of the Arkansas Academy of Science

As thermal infrared imaging technology has improved, it has increasingly been used for estimating sizes of wildlife populations. The greatest bias of thermal infrared surveys is the lack of known detection rates to adjust for visibility bias. As with visual surveys, a measure of detection rate is needed to provide unbiased estimates. We assessed the detection rate of white-tailed deer (Odocoileus virginianus) using a thermal infrared sensor (1.2 - 5.9 /an) from an aerial platform. Similar characteristics between thermal signatures of people and deer allowed us to use people in a reclined or horizontal position as surrogates for deer. We …

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Distribution, Natural History Aspects, And Status Of The Arkansas Endemic Crayfish, Fallicambarus Harpi Hobbs And Robinson, 1985, Henry W. Robison, Betty G. Crump Jan 2004

Distribution, Natural History Aspects, And Status Of The Arkansas Endemic Crayfish, Fallicambarus Harpi Hobbs And Robinson, 1985, Henry W. Robison, Betty G. Crump

Journal of the Arkansas Academy of Science

Recent fieldwork in west central Arkansas has revealed the Arkansas endemic crayfish, Fallicambarus harpi Hobbs and Robison, to be more abundant than formerly believed. New localities and county records are provided in addition to information on the habitat preferences, sex ratio, color variation, reproductive biology, and conservation status of this burrowing crayfish.

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Human Rabies Post-Exposure Treatment In Arkansas, 1994-2000, D. Blake Sasse Jan 2004

Human Rabies Post-Exposure Treatment In Arkansas, 1994-2000, D. Blake Sasse

Journal of the Arkansas Academy of Science

The Arkansas Department of Health recorded 118 incidents where humans in Arkansas were treated following exposure to confirmed rabid animals from 1994-2000. Domestic species accounted for 64% of incidents and 76% of total human exposures with the ratio of human exposures per rabid animal 17 times higher for domestic animals than wild animals. Records of 218 cases of human exposure to potentially rabid wild animals during this period were also examined to determine method of contact. While 72% of cases involving raccoons (Procyon lotor), skunks (Mephitis mephitis and Spilogale putorius), and foxes (Urocyon cinereoargenteus and Vulpes vulpes) were initiated by …

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New Geographic Distribution Records For The Flier, Centrarchus Macropterus (Perciformes: Centrarchidae), From Southwestern Arkansas, Chris T. Mcallister, Stephanie F. Barclay, Henry W. Robison Jan 2004

New Geographic Distribution Records For The Flier, Centrarchus Macropterus (Perciformes: Centrarchidae), From Southwestern Arkansas, Chris T. Mcallister, Stephanie F. Barclay, Henry W. Robison

Journal of the Arkansas Academy of Science

No abstract provided.

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Parasites (Coccidia, Trematoda, Nematoda) From Selected Bats Of Arkansas, Chris T. Mcallister, Steve J. Upton, Charles R. Bursey Jan 2004

Parasites (Coccidia, Trematoda, Nematoda) From Selected Bats Of Arkansas, Chris T. Mcallister, Steve J. Upton, Charles R. Bursey

Journal of the Arkansas Academy of Science

No abstract provided.

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Noteworthy Records Of The Seminole Bat, Lasiurus Seminolus (Chiroptera: Vespertilionidae), From Southwestern Arkansas And Northeastern Arkansas, Chris T. Mcallister, Zachary D. Ramsey, Nancy E. Solley Jan 2004

Noteworthy Records Of The Seminole Bat, Lasiurus Seminolus (Chiroptera: Vespertilionidae), From Southwestern Arkansas And Northeastern Arkansas, Chris T. Mcallister, Zachary D. Ramsey, Nancy E. Solley

Journal of the Arkansas Academy of Science

No abstract provided.

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Geographic Range Expansion And Feeding Response By The Leech Macrobdella Diplotertia (Annelida: Hirudinea) To Wood Frog And Spotted Salamander Egg Masses, Stanley E. Trauth, Robert G. Neal Jan 2004

Geographic Range Expansion And Feeding Response By The Leech Macrobdella Diplotertia (Annelida: Hirudinea) To Wood Frog And Spotted Salamander Egg Masses, Stanley E. Trauth, Robert G. Neal

Journal of the Arkansas Academy of Science

No abstract provided.

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Gyratrix Hermaphroditus: A State Record For Arkansas, Jane Dunn Jan 2003

Gyratrix Hermaphroditus: A State Record For Arkansas, Jane Dunn

Journal of the Arkansas Academy of Science

No abstract provided.

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Experimental Channel Catfish Virus Infection Mimics Natural Infection Of Channel Catfish, Robin L. Stingley, Wayne L. Gray, Billy R. Griffin, Reid Landes Jan 2003

Experimental Channel Catfish Virus Infection Mimics Natural Infection Of Channel Catfish, Robin L. Stingley, Wayne L. Gray, Billy R. Griffin, Reid Landes

Journal of the Arkansas Academy of Science

Channel catfish virus (CCV) causes a severe hemorrhagic disease in channel catfish fry and fingerlings. CCV epizootics are associated with elevated water temperatures and high mortality rates. Survivors of acute disease are latently infected with i virus. In this study, we investigated conditions effecting CCV pathogenesis and latency utilizing an experimental immersion model to simulate natural infection and a population of Arkansas catfish verified to have no prior CCV exposure, the results indicate that the Auburn- 1 laboratory strain is comparable to CCV field isolates in virulence and ability to establish latent infection. The study confirms that water temperature and …

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Subterranean Biodiversity Of Arkansas, Part 2: Status Update Of The Foushee Cavesnail, Amnicola Cora Hubricht, 1979 (Mollusca: Gastropoda: Hydrobiidae), G. O. Graening Jan 2003

Subterranean Biodiversity Of Arkansas, Part 2: Status Update Of The Foushee Cavesnail, Amnicola Cora Hubricht, 1979 (Mollusca: Gastropoda: Hydrobiidae), G. O. Graening

Journal of the Arkansas Academy of Science

No abstract provided.

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Genetic Similarity Of Shadow And Arkansas Basses (Ambloplites) Determined By Mitochondrial Dna Analysis, Ronald L. Johnson, Carrie F. Cavenaugh Jan 2003

Genetic Similarity Of Shadow And Arkansas Basses (Ambloplites) Determined By Mitochondrial Dna Analysis, Ronald L. Johnson, Carrie F. Cavenaugh

Journal of the Arkansas Academy of Science

No abstract provided.

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Reciprocal Translocation Reestablishes Breeding Status Of Mississippi Alluvial Plain Population Of Red-Cockaded Woodpeckers In Arkansas, William C. Holimon, Warren G. Montague Jan 2003

Reciprocal Translocation Reestablishes Breeding Status Of Mississippi Alluvial Plain Population Of Red-Cockaded Woodpeckers In Arkansas, William C. Holimon, Warren G. Montague

Journal of the Arkansas Academy of Science

No abstract provided.

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Status And Distribution Of Freshwater Mussels (Unionacea) Inhabiting The Saline River / Holly Creek Bottoms Area, Saline County, Arkansas, Chris L. Davidson, Dave Gosse Jan 2003

Status And Distribution Of Freshwater Mussels (Unionacea) Inhabiting The Saline River / Holly Creek Bottoms Area, Saline County, Arkansas, Chris L. Davidson, Dave Gosse

Journal of the Arkansas Academy of Science

No abstract provided.

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New Records Of The Eastern Chipmunk (Tamias Striatus) From Arkansas, D. Blake Sasse Jan 2003

New Records Of The Eastern Chipmunk (Tamias Striatus) From Arkansas, D. Blake Sasse

Journal of the Arkansas Academy of Science

No abstract provided.

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