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Articles 1 - 23 of 23
Full-Text Articles in Animal Sciences
Effect Of Salinity On Glycogen Content In The Brine Shrimp, Artemia Salinas, Of Great Salt Lake, Christon H. Merkley
Effect Of Salinity On Glycogen Content In The Brine Shrimp, Artemia Salinas, Of Great Salt Lake, Christon H. Merkley
Undergraduate Honors Capstone Projects
The brine shrimp, Artemia salinas, is one of the few organisms to be found in the hostile environment of the Great Salt Lake. Salt concentrations in the lake are found to exceed those in the oceans. In such an environment, the utilization of energy, even after it has been procured, presents a problem. The life inhabiting the lake has developed extraordinary adaptations to this and similar problems.
Electron micrographs produced by Dr. Nabil Youssef of Utah State University have revealed that unusual quantities of glycogen can be found in the muscle of brine shrimp taken from the Great Salt Lake. …
A New Species Of Eptesicus From Guadeloupe, Lesser Antilles (Chiroptera: Vespertilionidae), Hugh H. Genoways, Robert J. Baker
A New Species Of Eptesicus From Guadeloupe, Lesser Antilles (Chiroptera: Vespertilionidae), Hugh H. Genoways, Robert J. Baker
University of Nebraska State Museum: Mammalogy Papers
In the course of field studies on bats of the Antillean region, three specimens of the genus Eptesicus were obtained on the island of Guadeloupe in the Lesser Antilles. The nearest known populations of this genus are on Puerto Rico 500 kilometers to the west (E. fuscus wetmorei), on the northern coast of South America 850 kilometers to the southwest (E. fuscus miradorensis), and on Tobago 550 kilometers to the south (E. brasiliensis melanopterus). Study of the specimens from Guadeloupe reveals that they represent a distinct species that is most closely related to Eptesicus …
Yorktown Power Station Ecological Study, Phase Ii : Final Technical Report, R. A. Jordan, R. W. Virnstein, J. E. Illowsky, J. Colvocoresses
Yorktown Power Station Ecological Study, Phase Ii : Final Technical Report, R. A. Jordan, R. W. Virnstein, J. E. Illowsky, J. Colvocoresses
Reports
No abstract provided.
A New Subspecies Of Geomys Bursarius (Mammalia: Geomyidae) From Texas And New Mexico, Robert J. Baker, Hugh H. Genoways
A New Subspecies Of Geomys Bursarius (Mammalia: Geomyidae) From Texas And New Mexico, Robert J. Baker, Hugh H. Genoways
University of Nebraska State Museum: Mammalogy Papers
As part of a study of the systematics and ecology of pocket gophers occurring on the high plains of Texas and eastern New Mexico, numerous populations of the plains pocket gopher, Geomys bursarius, were examined karyotypically. Four chromosomal races were described from this area by Baker et al. (1973). Additional studies lead us to believe that two of these races represent an undescribed subspecies of the plains pocket gopher. In addition to karyological evidence, specimens of this subspecies are morphologically distinct from those of all contiguous populations of Geomys bursarius major, the race to which they previously were assigned. …
Editors' Note To Biological Investigations In The Guadalupe Mountains National Park, Texas., Hugh H. Genoways, Robert J. Baker
Editors' Note To Biological Investigations In The Guadalupe Mountains National Park, Texas., Hugh H. Genoways, Robert J. Baker
University of Nebraska State Museum: Mammalogy Papers
The Guadalupe Mountains National Park, which is located in TransPecos Texas between Carlsbad, New Mexico, and EI Paso, Texas, is one of the newest national parks being formed by the Congress in 1967. The Guadalupe Mountains and the associated Chihuahuan Desert included in the park represent a unique biological area in which a fragile biological equilibrium exists between the fauna and flora of the Chihuahuan Desert of the lowlands and the Rocky Mountains of the high elevations. The preservation of this area will depend upon sound management decisions. This volume is the result of a symposium held at The Museum …
Mammals Of The Guadalupe Mountains National Park, Texas, Hugh H. Genoways, Robert J. Baker, John E. Cornely
Mammals Of The Guadalupe Mountains National Park, Texas, Hugh H. Genoways, Robert J. Baker, John E. Cornely
University of Nebraska State Museum: Mammalogy Papers
Our survey began in late May 1973 and continued through August 1975. The objectives of our study, which was supported by the National Park Service, were to survey the mammals occurring in the Guadalupe Mountains National Park, Texas, and to correlate their distribution with major plant associations. This inventory of the natural resources of the park is preliminary to the development of any serious management program. Therefore, we present the following accounts to serve as baseline data for future mammalian work in the park and development of the master plan for the park.
A Comparative Study Of Some Population Characteristics Of Calyptraea Fastigiata Gould, Crepidula Lingulata Gould, And Crepidula Nummaria Gould (Gastropoda, Prosobranchia), Roger Harold Goodwill
A Comparative Study Of Some Population Characteristics Of Calyptraea Fastigiata Gould, Crepidula Lingulata Gould, And Crepidula Nummaria Gould (Gastropoda, Prosobranchia), Roger Harold Goodwill
Theses and Dissertations
A comparative study of the field populations of Crepidula lingulata, Crepidula nurnmaria, and Calyptraea fastigiata indicated all three preferred a rocky substrate but favored different size rocks. Their positions on the rocks varied but the greatest numbers were found attached to the undersides. Crepidula lingulata and C. nummaria preferred larger rocks and were found in intraspecific associations more often than C. fastigiata which preferred smaller rocks. These associations occurred with a 1:1 sex ratio; however, the overall population did not. Crepidula lingulata had a high female count and C. fastigiata a high male count. Males, of all three species, were …
Annotated Checklist Of Mammals Of The Yucatán Peninsula, México. Iv. Carnivora, Sirenia, Perissodactyla, Artiodactyla, Hugh H. Genoways, Robert J. Baker
Annotated Checklist Of Mammals Of The Yucatán Peninsula, México. Iv. Carnivora, Sirenia, Perissodactyla, Artiodactyla, Hugh H. Genoways, Robert J. Baker
University of Nebraska State Museum: Mammalogy Papers
This is the fourth in a series of papers by Jones, et al., dealing with the systematics and distributional status of mammals on the Yucatán Peninsula of México. The present contribution lists 24 native species belonging to the orders Carnivora (18 species), Sirenia (one), Perissodactyla (one), and Artiodactyla (four). Among the carnivores there are one canid, six procyonids, six mustelids, and five felids, whereas the Artiodactyla is represented by two families (Tayassuidae and Cervidae), each with two species.
The Yucatán Peninsula as treated in this series of papers includes the Mexican states of Campeche and Yucatan, and the Federal Territory …
Raising Wood Ducks, Richard L. Nelson
Raising Wood Ducks, Richard L. Nelson
Nebraska Game and Parks Commission: Publications
Numbered among Nature's most colorful creatures, wood ducks willingly accept a helping hand from man in establishing new homes. These birds adapt well to suitable habitat, and you can play an important part in bringing the wood duck to locations where they do not now nest. For groups or individuals who are willing to expend the effort necessary to undertake a wood duck restoration project anti see it to completion, it is an exceptional gift from today's generation to those of decades and centuries to come. Many areas in Nebraska provide suitable wood duck habitat, but do not have a …
Scope Of Work, Environmental Impact Statement For The Dickey-Lincoln School Lakes Project, New England Division, United States Army Engineer Division, United States Army Corps Of Engineers
Scope Of Work, Environmental Impact Statement For The Dickey-Lincoln School Lakes Project, New England Division, United States Army Engineer Division, United States Army Corps Of Engineers
Dickey-Lincoln School Lakes Project
Revised draft combines data previously published in two separate impact statements prepared by the corps relating to the dams, reservoirs and power plants and by the U. S. Department of Energy for transmission facilities to link the St. John River development to the New England power grid. The latter agency is responsible for the marketing and distribution of power generated at federally-financed installations.
Special Report On Controlling America's Pet Population
Special Report On Controlling America's Pet Population
Special Reports
HSUS estimates that public and private animal control programs cost the nation as much as $500 million a year. Much of this expense is required for the feeding and care of unwanted animals during the 5 to 10 days they are held for adoption, killing the 80% that are not adopted or redeemed, and disposing of the carcasses. The result is both an unconscionable waste of life and a needless drain on public and private money.
A large part of the blame for people undertaking pet ownership without having made a total commitment to the animal lies with the pet …
The Behaviour Of Swine, J. P. Signoret, B. A. Baldwin, D. Fraser, E. S. E. Hafez
The Behaviour Of Swine, J. P. Signoret, B. A. Baldwin, D. Fraser, E. S. E. Hafez
Mammalogy Collection
The pig was a forest-dwelling animal from the beginning of its history. In some parts of the world it has been domesticated for at least 7000 years. The European breeds of domestic swine were derived from the local wild pig, Sus scrofa. Herds ranged in pastures and forests and kept indoors only for fattening. The breeds in the Far East were derived from another wild pig, Sus vittatus, a smaller animal with shorter legs and a higher reproductive ability (Mohr 1960; Zeuner 1963). The two types interbred readily. The modem breeds of pig evolved from different crossings between the two …
Biological Inventory In Conjunction With The Las Vegas Wash Unit, Colorado River Basin Salinity Control Act Title Ii (P.L. 93-320), W. Glen Bradley, J. Scott Miller
Biological Inventory In Conjunction With The Las Vegas Wash Unit, Colorado River Basin Salinity Control Act Title Ii (P.L. 93-320), W. Glen Bradley, J. Scott Miller
Publications (WR)
The present report is a biological inventory in conjunction with the Las Vegas Wash Unit, Colorado River Basin Salinity Control Act, Title II. The boundaries of the project encompass sections of North Las Vegas, Las Vegas, East Las Vegas and areas along Las Vegas Wash extending to its drainage point in Las Vegas Bay in Lake Mead. Therefore, it encompasses a wide array of ecological situations and landscapes ranging from essentially natural to various stages of urban development.
This biological inventory presents basic ecological classifications, descriptions of vegetation, lists of vascular plants and vertebrates known to occur in the area. …
New Distributional Records Of Fishes From The Lower Ouachita River System In Arkansas, Henry W. Robison
New Distributional Records Of Fishes From The Lower Ouachita River System In Arkansas, Henry W. Robison
Journal of the Arkansas Academy of Science
Fishes collected from the lower Ouachita River system in Arkansas during 1971-1974 are reported. As a result of these collections six species were added to the Ouachita River system ichthyofauna of Arkansas including an undescribed species of Notropis, Hybopsis aestivalis (Girard), Ictiobus bubalus (Rafinesque), Fundulus chrysotus (Gunther), Lepomis symmetricus (Forbes) and Etheostoma fusiforme barratti (Holbrook). New distributional records for Ichthyomyzon gagei (Hubbs and Trautman), Notropis maculatus (Hay), N. lutrensis (Baird and Girard), Erimyzon sucetta (Lacepede), Fundulus notti (Agassiz) and Lepomis marginatus (Holbrook) within the system also are presented.
Age And Growth Of Bluegill, Lepomis Macrochirus Rafinesque, From Lake Fort Smith, Arkansas, Jacob J. Hogue, Raj V. Kilambi
Age And Growth Of Bluegill, Lepomis Macrochirus Rafinesque, From Lake Fort Smith, Arkansas, Jacob J. Hogue, Raj V. Kilambi
Journal of the Arkansas Academy of Science
A total of 337 bluegill from Lake Fort Smith were used for this study. Annuli were formed between late February and early June, the younger fish forming annuli earlier than older fish. Total length-scale radius and length-weight relationships were determined. Growth of bluegill was compared with that reported in other studies. Growth curves were analyzed by the Von Bertalanffy growth formula and the parameters were evaluated in terms of physical and biological factors.
Karyotype Of Geomys Pinetis (Mammalia: Geomyidae), With A Discussion Of The Chromosomal Relationships Within The Genus, S. L. Williams, Hugh H. Genoways
Karyotype Of Geomys Pinetis (Mammalia: Geomyidae), With A Discussion Of The Chromosomal Relationships Within The Genus, S. L. Williams, Hugh H. Genoways
University of Nebraska State Museum: Mammalogy Papers
Summary. Four of the five subspecies of Geomys pinetis were karyotyped. All specimens examined had a diploid number of 42 and a fundamental number of 80. This karyotype was compared with the described karyotypes of other species of Geomys and was considered to be derived from an ancestoral form having a karyotype of about 70 acrocentric elements.
Preliminary Dove Banding Studies In Clark County, Arkansas, Thurman Booth, Peggy Rae Dorris, William N. Hunter, Benny Mays
Preliminary Dove Banding Studies In Clark County, Arkansas, Thurman Booth, Peggy Rae Dorris, William N. Hunter, Benny Mays
Journal of the Arkansas Academy of Science
In conjunction with the U.S. Department of Interior Fish and Wildlife Service, Henderson State University Biology Department made a preliminary study of mourning doves in Clark County, Arkansas, during June, July and August 1974. Three hundred seventy-one mourning doves were baited, trapped and banded to obtain information concerning age, sex, populations, retraps, deformities, effects on other animals, migrations and other behaviors.
Chesapeake Bay Bibliography - Volume Iv. Virginia Waters, Sandra A. Gleason, Jane F. Stauble
Chesapeake Bay Bibliography - Volume Iv. Virginia Waters, Sandra A. Gleason, Jane F. Stauble
Reports
The Chesapeake Bay Bibliography was initiated by the Virginia Institute of Marine Science in response to growing resource management problems of the Chesapeake Bay and its tributaries. With these problems came the realization that planning and management of such a great natural resource is an overwhelming task requiring the best available information. This bibliography, therefore, was undertaken to document existing sources of information, to help identify research and data gathering needs, and to develop a comprehensive research and information services programs for individuals interested in research on, and management of the natural resources of the Chesapeake Bay region.
The Chesapeake …
Chesapeake Bay Bibliography - Volume Iii. Maryland Waters, Jane F. Stauble, Douglas H. Wood
Chesapeake Bay Bibliography - Volume Iii. Maryland Waters, Jane F. Stauble, Douglas H. Wood
Reports
The Chesapeake Bay Bibliography was initiated by the Virginia Institute of Marine Science in response to growing resource management problems of the Chesapeake Bay and its tributaries. With these problems came the realization that planning and management of such a great natural resource is an overwhelming task requiring the best available information. This bibliography, therefore, was undertaken to document existing sources of information, to help identify research and data gathering needs, and to develop a comprehensive research and information services programs for individuals interested in research on, and management of the natural resources of the Chesapeake Bay region.
This work …
Taxonomy And Zoogeography Of Lemmus Spp. (Rodentia: Arvicolinae), With Notes On Laboratory-Reared Lemmings, Robert L. Rausch, Virginia R. Rausch
Taxonomy And Zoogeography Of Lemmus Spp. (Rodentia: Arvicolinae), With Notes On Laboratory-Reared Lemmings, Robert L. Rausch, Virginia R. Rausch
Harold W. Manter Laboratory of Parasitology: Faculty and Staff Publications
Lemmings of the genus Lemmus Link, 1795, have long attracted interest because of the high numerical densities attained at intervals by their populations. In earlier times, in northern Europe, such events seemed so remarkable as to be explained by some as a consequence of the animals' having fallen from the sky (HaGSTROM 1749). During the last 25 years, lemmings have been the object of intensive ecological investigation in Eurasia and North America, although there has been no consensus concerning their taxonomic relationships. In 1959, a colony of brown lemmings from arctic Alaska was established in our laboratory, primarily to provide …
Breeding Bird Study On The Douglas-Hart Nature Preserve, An East-Central Illinois Modified Oldfield, Charles F. Zimmer
Breeding Bird Study On The Douglas-Hart Nature Preserve, An East-Central Illinois Modified Oldfield, Charles F. Zimmer
Masters Theses
No abstract provided.
Homing Studies Of Bank Swallows In Eastern Illinois, Jennifer Eileen Hagerstrom
Homing Studies Of Bank Swallows In Eastern Illinois, Jennifer Eileen Hagerstrom
Masters Theses
A series of homing experiments using 39 color-marked Bank Swallows (Riparia riparia) were carried out in eastern Illinois during the summer of 1975. The swallow colony was located four km east-northeast of Charleston, Illinois at the Charleston Stone Quarry. Eight release sites were located in the four compass directions from the home colony at distances of 14.4 to 32.3 km away.
The colony was approached before dawn and swallows were captured using tube traps. Birds were color-marked, banded, and taken in individual bags to the release site by automobile. Cloud cover, wind velocity, wind direction, and orientation behavior …
Osteology Of Trypauchenichthys Sumatrensis Hardenburg, Christine Parrish Baer
Osteology Of Trypauchenichthys Sumatrensis Hardenburg, Christine Parrish Baer
Biological Sciences Theses & Dissertations
The osteology of a Malaysian goby was examined in detail and compared to other gobioids. Results indicated that Trypauaheniahthys sumatrensis is a specialized, but definite member of the Gobioidei. Some osteological characteristics of a related fish, Trypauchen vagina, were also discussed.