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Articles 31 - 60 of 111
Full-Text Articles in Zoology
The Mayfly Newsletter, Peter M. Grant
The Mayfly Newsletter, Peter M. Grant
The Mayfly Newsletter
The Mayfly Newsletter is the official newsletter of the Permanent Committee of the International Conferences on Ephemeroptera.
Distribution And Prevalence Of Echinococcus Multilocularis In Wild Predators In Nebraska, Kansas, And Wyoming, S. T. Stroandt, D. R. Virchow, M. W. Dryden, Scott E. Hygnstrom, K. R. Kazacos
Distribution And Prevalence Of Echinococcus Multilocularis In Wild Predators In Nebraska, Kansas, And Wyoming, S. T. Stroandt, D. R. Virchow, M. W. Dryden, Scott E. Hygnstrom, K. R. Kazacos
School of Natural Resources: Faculty Publications
To further determine the distribution and prevalence of Echinococcus multilocularis in the central United States, 245 wild canids (125 red foxes, 120 coyotes) and 33 bobcats were collected from Nebraska, Kansas, and Wyoming and examined for this parasite. Animals examined included 11 red foxes from the western panhandle of Nebraska; 5 red foxes and 30 coyotes from southern Nebraska; 56 red foxes and 1 coyote from northeastern Nebraska; 20 red foxes, 63 coyotes, and 13 bobcats from northern Kansas; 2 red foxes, 26 coyotes, and 20 bobcats from southern Kansas; and 31 red foxes from eastcentral Wyoming. Of these, 27 …
Diets Of Bats In West Virginia, Theresa Sydney Burke
Diets Of Bats In West Virginia, Theresa Sydney Burke
Theses, Dissertations and Capstones
Little work has been conducted concerning feeding ecology of bats, and only 2 studies have been done in West Virginia. West Virginia is a prime location for the study of bats because 12 species are reported in the state. To increase knowledge of food habits of bats inhabiting West Virginia, fecal samples of 7 species were examined: Virginia Big-eared Bat (Corynorhinus townsendii virginianus), Rafinesquii’s Big-eared Bat (Corynorhinus rafinesquii), Big Brown Bat (Eptesicus fuscus), Red Bat (Lasiurus borealis), Little Brown Myotis (Myotis lucifugus), Northern Myotis (Myotis septentrionalis), and Eastern Pipistrelle (Pipistrellus subflavus). Collections of samples were made in the eastern mountainous …
Unusual Foraging Behavior By An Eastern Gray Squirrel (Sciuridae: Sciurus Carolinensis) In An Urban Habitat, Brian S. Shaffer, Barry W. Baker
Unusual Foraging Behavior By An Eastern Gray Squirrel (Sciuridae: Sciurus Carolinensis) In An Urban Habitat, Brian S. Shaffer, Barry W. Baker
Journal of the Minnesota Academy of Science
A unique observation of foraging by an Eastern Gray Squirrel (Sciurus carolinensis) is described. The squirrel was observed consuming insects that had been impacted on automobile radiators.
Australia: An Integrated Curriculum Unit, Grades 2-4, Institute For The Development Of Gifted Education, Ricks Center For Gifted Children, University Of Denver
Australia: An Integrated Curriculum Unit, Grades 2-4, Institute For The Development Of Gifted Education, Ricks Center For Gifted Children, University Of Denver
Ricks Curriculum Units Series
An integrated curriculum is an instructional approach that connects the disciplines to an underlying theme or topic. Immersing students in an integrated-thematic unit provides the backdrop for experiences to occur across the disciplines. Shaping coursework around integrated themes is especially appropriate for gifted students, however using an integrated-thematic curriculum is appropriate for all learners as it develops students' abilities to make connections, to solve problems by looking at multiple perspectives, and to integrate information from different fields of experience. An integrated-thematic curriculum permits students to be active participants in their own learning as they design their own explorations and take …
Distributions And Geographical Relationships Of The Polygyrid Land Snails (Mollusca, Gastropoda, Polygyridae) Of Arkansas, Gerald E. Walsh, Brian F. Coles
Distributions And Geographical Relationships Of The Polygyrid Land Snails (Mollusca, Gastropoda, Polygyridae) Of Arkansas, Gerald E. Walsh, Brian F. Coles
Journal of the Arkansas Academy of Science
The Arkansas distributions of land mollusks of the family Polygyridae are presented based on the results of a state-wide survey and a critical review of published and unpublished locality records. Six of the 45 species previously recorded for Arkansas are excluded because they were misidentified, do not have established populations in the state, or are found only as fossils. Four others are not mapped because of a lack of recent distributional data or because the specific status of a form is unclear. There is a predominant pattern of occurrence limited to the northern, northwestern, or western parts of the state. …
Colony Composition And Demographics Of Beavers In Illinois, Stanley T. Mctaggart
Colony Composition And Demographics Of Beavers In Illinois, Stanley T. Mctaggart
Masters Theses
Beavers (Castor canadensis) have been extensively studied throughout North America, but little research has been conducted on this species in Illinois and the Midwest. Beavers exhibit wide variations in colony composition and demographics over their broad geographic range, so regional research is important for sound management. The objectives of this study were to investigate the: (1) typical composition of beaver colonies in Illinois; (2) reproductive potential of female beavers in Illinois; (3) sex-age composition of beaver populations in Illinois; and (4) efficacy of night-vision surveys versus removal trapping for estimating colony size. This study was conducted during the 1999-00 and …
Antimicrobial Agents: Their Combined Effects On Total Protein Content Of The Endoparasitoid Pimpla Turionellae L. (Hymenoptera: Ichneumonidae), Kemal Büyükgüzel
Antimicrobial Agents: Their Combined Effects On Total Protein Content Of The Endoparasitoid Pimpla Turionellae L. (Hymenoptera: Ichneumonidae), Kemal Büyükgüzel
Turkish Journal of Zoology
The effects of some antibiotics and antifungal agents in combination on the total protein content of young pupae of the hymenopterous endoparasitoid, Pimpla turionellae L., were investigated by rearing the larvae aseptically on chemically defined synthetic diets. These effects varied with the kinds and levels of the combination of antimicrobial agents in the diets. The combinations of antibiotics generally increased the total protein content according to their individual levels in the diets. Antifungal agent combinations caused a slight but significant increase in the total protein content. However, some tested combinations of nystatin with methyl p-hydroxybenzoate or cycloheximide significantly decreased the …
Effect Of Temperature On Development, Sexual Maturation Time, Food Consumption And Body Weight Of Schistocerca Gregaria Forsk. (Orthoptera: Acrididae), N. Eylem Akman Gündüz, Adem Gülel
Effect Of Temperature On Development, Sexual Maturation Time, Food Consumption And Body Weight Of Schistocerca Gregaria Forsk. (Orthoptera: Acrididae), N. Eylem Akman Gündüz, Adem Gülel
Turkish Journal of Zoology
This study was carried out to determine the effect of temperature on the development, sexual maturation time, food consumption and body weight of S. gregaria, Forsk., at 25 and 30ºC. The insects were fed on fresh wheat sprouts (FWS) and bran (B). When the temperature was increased, both developmental time and attainment time to sexual maturation were shortened. Total nymphal developmental time at 25 and 30ºC was 32 and 22 days, respectively. Similarly, the average attainment time to sexual maturity was 33 days at 30ºC, whereas it was 52 days at 25ºC. The food consumption of the insects increased at …
Muscle Fiber Types Of The Tunica Muscularis Externa At The Upper Part Of The Sparrow (Passer Domesticus) Esophagus, Fati̇me Geyi̇koğlu, Aysel Temelli̇, Abdullah Özkaral
Muscle Fiber Types Of The Tunica Muscularis Externa At The Upper Part Of The Sparrow (Passer Domesticus) Esophagus, Fati̇me Geyi̇koğlu, Aysel Temelli̇, Abdullah Özkaral
Turkish Journal of Zoology
Muscle fiber types of the tunica muscularis externa of the upper part of the sparrow esophagus were characterised by the method of myofibrillar adenosine triphosphatase (mATPase). Muscle fibers were described as type II and type III. Muscle fiber types were histochemically different from those of the esophagus of broiler ross. It is thought that this difference should be evaluated according to the functional difference between the esophagus of domestic and wild bird species.
Nebraska's Nature Compendium, Thomas E. Labedz
Nebraska's Nature Compendium, Thomas E. Labedz
University of Nebraska State Museum: Mammalogy Papers
With attrition claiming many academic organismal biologists, and many institutions failing to replace them, it can be difficult for natural history novices to obtain basic information for broad geographic areas. Johnsgard conceived The Nature of Nebraska in response to a tenacious teacher and the needs of her fourth-grade class in Elwood, Nebraska. This book will help fill the need for persons, especially teachers, struggling to find basic information on Nebraska's natural history and guidance in natural history education.
A New Record For The Turkish Spider Fauna: Cyclosa Conica Pallas (Araneae, Araneidae), Abdullah Bayram, Murat Ünal
A New Record For The Turkish Spider Fauna: Cyclosa Conica Pallas (Araneae, Araneidae), Abdullah Bayram, Murat Ünal
Turkish Journal of Zoology
The characteristic features and drawings of Cyclosa conica Pallas, 1772, which is recorded for the first time in Turkey, are given in this study.
Floral Choices, Parasites And Micro-Organisms In Natural Populations Of Bumblebees (Apidae: Hymenoptera) In Ankara Province, Ahmet Murat Ayteki̇n, Neşe Çağatay, Selçuk Hazir
Floral Choices, Parasites And Micro-Organisms In Natural Populations Of Bumblebees (Apidae: Hymenoptera) In Ankara Province, Ahmet Murat Ayteki̇n, Neşe Çağatay, Selçuk Hazir
Turkish Journal of Zoology
In this study, the flower choices of different bumblebee species in Ankara province regarding their associations among various parasites and micro-organisms were determined. A total of 21 different species of the genera Bombus Latreille and Psithyrus Lepeletier were examined. The motile hypopus of the mite species Acarus farris (Oudemans, 1905) (Acaridae) was found to be phoretic on Bombus (Bombus) terrestris, Megabombus (Megabombus) argillaceus, Megabombus (Thoracobombus) zonatus and Pyrobombus (Sibiricobombus) niveatus queens. Nosema bombi was also determined to be an internal parasite of B. terrestris. Finally, a nematode species belonging to the family Allantonematidae (Tylenchida) was isolated from Megabombus (Thoracobombus) sylvarum …
On The Distribution And Taxonomic Status Of Microtus Guentheri (Danford And Alston, 1880) And Microtus Lydius Blackler, 1916 (Mammalia: Rodentia) In Turkey, Nuri̇ Yi̇ği̇t, Ercüment Çolak
On The Distribution And Taxonomic Status Of Microtus Guentheri (Danford And Alston, 1880) And Microtus Lydius Blackler, 1916 (Mammalia: Rodentia) In Turkey, Nuri̇ Yi̇ği̇t, Ercüment Çolak
Turkish Journal of Zoology
Topotypes of Microtus guentheri were compared with specimens of the genus Microtus with 2n=54 chromosomes from western Anatolia. According to morphological and biometrical comparisons, it was determined that M. guentheri is a different species from Microtus lydius. The dorsal colour and the shape of the baculum distinguish M. guentheri from M. lydius morphologically. In addition, ear length, interorbital constriction, mastoid breadth, height of tympanic bulla and weight of M. guentheri were found to be statistically different from those of the nominate subspecies of M. lydius (p
The Effects Of Cimetidine And Ranitidine On Kidney Cortex Of Mus Musculus Albinus, Kadri̇ye Akgün Dar
The Effects Of Cimetidine And Ranitidine On Kidney Cortex Of Mus Musculus Albinus, Kadri̇ye Akgün Dar
Turkish Journal of Zoology
In this study, 4.3 µg/g cimetidine and 17 µg/g ranitidine were orally given to mice for two months. The effects of cimetidine and ranitidine on kidney cortical tissue were examined at light microscopical level. In both groups, it was detected that the tubules were separated by their lumen containing darkly stained remnant material. Vacuolization, destruction of apical membrane and decreased PAS positive reaction were observed in the apical membrane of proximal tubule epithelial cells. The nuclei of proximal and distal tubule cells were cylindrical. More excessively in the ranitidine treated group, widening of the tubule lumens and limited proximal tubule …
Observations On The Histomorphogical Structure Of Some Long Bones Of The Water Frog (Rana Bedriagae) From The İzmir Area, Uğur C. Eri̇şmi̇ş, Uğur Kaya, Hüseyi̇n Arikan
Observations On The Histomorphogical Structure Of Some Long Bones Of The Water Frog (Rana Bedriagae) From The İzmir Area, Uğur C. Eri̇şmi̇ş, Uğur Kaya, Hüseyi̇n Arikan
Turkish Journal of Zoology
Histomorphological structures of the femur and the second phalange of the second outer toe of the left frog leg were investigated using the decalcifying method in Rana bedriagae. Skeleton Growth Marks (SGMs) were clearly observed in Rana bedriagae and it was shown that the skeletochronological technique is convenient and applicable for the age determination of this species.
The Effects Of Acute Stress On Rainbow Trout (Oncorhynchus Mykiss), Ayşegül Kubi̇lay, Gülşen Uluköy
The Effects Of Acute Stress On Rainbow Trout (Oncorhynchus Mykiss), Ayşegül Kubi̇lay, Gülşen Uluköy
Turkish Journal of Zoology
The physiological effects of acute stressors (transport, handling, netting and confinement) on rainbow trout in an aquaculture system were investigated. Serum cortisol level, serum glucose and lysozyme activity were determined in rainbow trout stressed by acute stressors, and compared with those of unstressed (control) fish. Serum cortisol, glucose levels and lysozyme activity were significantly higher(P
Effect Of Temperature Change On Maximum Swimming Speed Of Whiting, Merlangius Merlangus (Linnaeus, 1758), Hüseyi̇n Özbi̇lgi̇n
Effect Of Temperature Change On Maximum Swimming Speed Of Whiting, Merlangius Merlangus (Linnaeus, 1758), Hüseyi̇n Özbi̇lgi̇n
Turkish Journal of Zoology
Seasonal changes in sea temperature levels affect the swimming performance of fish. This study investigates if a change of 5°C from 7 to 12°C in water temperature has a significant effect on the maximum swimming performance of whiting, Merlangius merlangus, which is one of the most common species caught in the bottom trawl fisheries of the North Sea. The effect of this seasonal change on swimming performance was shown by two experiments. A temperature increase from 7°C to 12°C was shown to cause a decrease in the minimum twitch contraction time of the lateral muscle, when stimulated by an electric …
Distribution Of Clinostomum Marginatum (Yellow Grub) Metacercaria In Smallmouth Bass Populations From Crooked Creek In North Central Arkansas, James J. Daly, Bruce Deyoung, Terryl L. Hostetler, Randal J. Keller
Distribution Of Clinostomum Marginatum (Yellow Grub) Metacercaria In Smallmouth Bass Populations From Crooked Creek In North Central Arkansas, James J. Daly, Bruce Deyoung, Terryl L. Hostetler, Randal J. Keller
Journal of the Arkansas Academy of Science
Four hundred thirty-three smallmouth bass (Micropterus dolomieui) were collected from ten sites on Crooked Creek in North Central Arkansas from just below the city of Harrison to the White River in the summers of 1988-90. Necropsy of these hosts for yellow grub (Clinostomum marginatum) metacercariae showed a range of mean abundance (average/fish) from 1.4 ±1.9 (SD) at a far up stream site to 105 ± 368 at the White River juncture. An increasing mean abundance of C. marginatum was seen from the uppermost sites of the creek downstream to the White River. Relating stream mileage with mean abundance gave a …
Epidermal Papilloma In An Ozark Hellbender (Cryptobranchus Alleganiensis Bishopi) From The Spring River Of Northwest Arkansas, Stanley E. Trauth, John C. Harshbarger, Patrick Daniel
Epidermal Papilloma In An Ozark Hellbender (Cryptobranchus Alleganiensis Bishopi) From The Spring River Of Northwest Arkansas, Stanley E. Trauth, John C. Harshbarger, Patrick Daniel
Journal of the Arkansas Academy of Science
An Ozark hellbender (Cryptobranchus alleganiensis bishopi) with multiple, large, warty skin lesions was collected in the Spring River, Fulton County, Arkansas, in 1994. The specimen was a female, 560 mm in total length, and had a mass of 1,947 g. Tissues were formalin-fixed, and three lesions were processed for histopathology. The normal skin at the tumor margins had a stratified squamous epidermis overlying a loose, well-vascularized, heavily pigmented dermis. Poison glands and mucous glands extended from the epidermis into the dermis. The lesions, in contrast, were masses of epidermal cells up to 100 times thicker than the normal epidermis. They …
Bats Of The Jessieville Ranger District, Ouachita National Forest, Arkansas, C. Renn Tumlison, Tobin Fulmer, Tommy Finley, David A. Saugey
Bats Of The Jessieville Ranger District, Ouachita National Forest, Arkansas, C. Renn Tumlison, Tobin Fulmer, Tommy Finley, David A. Saugey
Journal of the Arkansas Academy of Science
During July and August 2000 and 2001, mist nets were set concentrated on three drainages in the Jessieville District of the Ouachita National Forest: North Fork Ouachita River (ten sites), Irons Fork Creek (five sites), and Muddy Creek (two sites). A total of 83 bats representing seven species was caught during 20 evenings (43 net nights). Sampled habitats included pools in road ruts, intermittent streams, man-made ponds on ridgelines, a wet road rut fed by a seep, small drainages that flowed only after a heavy rain, a standing pool in a clearing, and larger streams. Eastern red bats (Lasiurus borealis) …
Hazards Of Fishing Gear To Wildlife Of Lakes In Arkansas, Tobin Fulmer, C. Renn Tumlison
Hazards Of Fishing Gear To Wildlife Of Lakes In Arkansas, Tobin Fulmer, C. Renn Tumlison
Journal of the Arkansas Academy of Science
No abstract provided.
Habitat And Abundance Of The Ouachita Darter (Percina Sp. Nov.), Charles J. Gagen, Kendall R. Moles, Lisa J. Hlass, Richard W. Standage
Habitat And Abundance Of The Ouachita Darter (Percina Sp. Nov.), Charles J. Gagen, Kendall R. Moles, Lisa J. Hlass, Richard W. Standage
Journal of the Arkansas Academy of Science
No abstract provided.
Coccidian Parasites (Apicomplexa: Eimeriidae) Of Select Rodents Of Western And Southwestern Arkansas And Northeastern Texas, Chris T. Mcallister, Joshua E. Kessler
Coccidian Parasites (Apicomplexa: Eimeriidae) Of Select Rodents Of Western And Southwestern Arkansas And Northeastern Texas, Chris T. Mcallister, Joshua E. Kessler
Journal of the Arkansas Academy of Science
No abstract provided.
Parasites Of Four Endemic Plethodon From Arkansas And Oklahoma, Chris T. Mcallister, Charles R. Bursey, Stanley E. Trauth
Parasites Of Four Endemic Plethodon From Arkansas And Oklahoma, Chris T. Mcallister, Charles R. Bursey, Stanley E. Trauth
Journal of the Arkansas Academy of Science
No abstract provided.
Concentrations Of American Alligator Populations In Arkansas, Christopher L. Watt, Philip A. Tappe, Mark F. Roth
Concentrations Of American Alligator Populations In Arkansas, Christopher L. Watt, Philip A. Tappe, Mark F. Roth
Journal of the Arkansas Academy of Science
No abstract provided.
Abnormalities In The Ozark Hellbender, (Cryptobranchus Alleganiensis Bishopi), Benjamin A. Wheeler, Malcolm L. Mccallum, Stanley E. Trauth
Abnormalities In The Ozark Hellbender, (Cryptobranchus Alleganiensis Bishopi), Benjamin A. Wheeler, Malcolm L. Mccallum, Stanley E. Trauth
Journal of the Arkansas Academy of Science
No abstract provided.
Evidence For Infanticide In Bottlenose Dolphins Of The Western North Atlantic, Dale G. Dunn, Susan G. Barco, D. Ann Pabst, William A. Mclellan
Evidence For Infanticide In Bottlenose Dolphins Of The Western North Atlantic, Dale G. Dunn, Susan G. Barco, D. Ann Pabst, William A. Mclellan
Biological Sciences Faculty Publications
Nine bottlenose dolphin (Tursiops truncatus) calves that stranded in Virginia in 1996 and 1997 died of severe blunt-force trauma. Injuries were concentrated on the head and chest and multiple rib fractures, lung lacerations, and soft tissue contusions were prominent. Skeletal and/or soft tissue trauma occurred bilaterally in all of the calves. One had a bite wound across the left mandible that exhibited deep punctures consistent with the tooth placement in an adult bottlenose dolphin. The lesions were not compatible with predation, boat strike, fisheries interactions, rough-surf injury, or blast injury. However, they were similar to traumatic injuries described in stranded …
A Preliminary Study On The Population Dynamics Parameters Of Whiting (Merlangius Merlangus Euxinus) In Turkish Black Sea Coastal Waters, Ali̇ İşmen
Turkish Journal of Zoology
Some population parameters of the whiting (Merlangius merlangus euxinus) distributed along the Turkish Black Sea coast, were determined by using age-length data. The mean annual growth rate in length was found to be 3.7 cm. The maximum age group was determined as IX for females and VI for males. The seasonalized von Bertalanffy growth parameters in length were estimated to be L_o=39.1 cm, K = 0.15 year^{-1}, t_o = -1.53 year, C=0.23, t_s=0.48. There was a difference in growth rate between male and female fish. The females grow faster than males and reach a greater maximum length. Total mortality and …