Physical Sciences and Mathematics Commons^™

Effects Of Dieldrin On Reproduction Of Penned Hen Pheasants, Thomas Donald Atkins

Electronic Theses and Dissertations

Pen studies to determine the effects of dieldrin on reproduction of the hen pheasant were conducted for two breeding seasons, Hen pheasants were caged individually and administered encapsulated dieldrin at weekly intervals. The first season, treatment levels were 0, 2 or 4 mg of dieldrin per hen per week. Hens receiving 4 mg weighed more and laid heavier eggs than the controls. However, these differences were not attributed to the effects of dieldrin, but to the condition of the hens when first treated. Hatchability of eggs from the 2 mg group was significantly higher for an undetermined reason. Feed consumption, …

Fox-Prey Relationships In Eastern South Dakota, Robert L. Drieslein

Electronic Theses and Dissertations

Relationships between red foxes (Vulpes fulva) end their principal prey, particularly ring-necked pheasants (Phasianus colchicus), were studied on four units in eastern South Dakota from December 1964 to September 1966. Each unit was composed of a 100-square-mile "reduction area," on which fox populations were reduced, and a 100-square-mile "check area," on which fox populations were not reduced for the study. Indices to populations of foxes, pheasants, mice, eastern cottontails (Svlvilagus floridanus) and whitetail jackrabbits (Lepus townsendi) were obtained and used to evaluate food habits and the effect of predator reduction on prey populations. Four-hundred seventeen stomachs and 104 female reproductive …

Seasonal Movements Of Prairie Grouse In South Dakota, Warren W. Jackson

Electronic Theses and Dissertations

From 1962 through 1966, 1,401 plains sharp-tailed grouse (Pedicecetes phasianellus jamesi) and greater prairie chickens (Tympanuchus cupide pinnatus) were trapped in Gregory and Lyman Counties in south-central South Dakota. Cannon-projected nets and funnel traps were used to capture prairie grouse on breeding grounds and winter baitsites. Some birds were marked with backtags and leg-markers. Movement information was obtained from field observations, hunter reports, sharp-tailed grouse collections, and by recapturing banded birds. Male birds moved less than two miles from winter baitsites to breeding areas; most movements over five miles were made by immature female birds. Seventy-seven percent of the hunter …

Special Studies In Biochemical Instrumental Methods, Parvin Waymack

Honors Theses

Two useful methods of biochemical analysis are infrared and ultraviolet spectroscopy. The occurrence of absorption bands in the infrared region can be predicted for some of the simpler molecules. Theoretically, in order for a molecule to absorb radiation it must possess a vibrational or rotational frequency the same as that of the electromagnetic radiation, and a change in the magnitude and/or direction of the dipole moment must take place. The change in dipole moment may be caused by asymmetrical vibration or asymmetrical rotation of the molecule.

Mathematics And Logic, Janet Moffett

Honors Theses

Mathematics is interested in the methods by which concepts are defined in terms of others and statements are inferred from others. It therefore uses a primarily deductive form of reasoning. It is almost impossible to distinguish where logic leaves off and mathematics begins. "... logic is the youth of mathematics and mathematics is the manhood of logic." Mathematics starts from certain premises and, by a strict process of deduction, arrives at the various theorems which constitute it.

In order to understand the congruence of mathematics and deductive logic, one must understand the principles of each and the relation between them. …

Chronopotentiometry Of Metals, Lana Sue Legrand

Honors Theses

For a long time now the general characteristics of potential-time curves in constant current electrolysis have been known and studied. In 1901 Sand derived his equation giving a relationship for the transition time, providing that the solution is unstirred and linear diffusion is the controlling factor.

Calcium Carbonate Determinations, James Phelan

Honors Theses

Calcium compounds are abundant in nature. The carbonate ion may exist in many varieties, such as aragonite and limestone. Of major importance in the following discussion, however, is calcite. Calcium carbonate may well be of animal origin, prime examples being sea shells, coral, and chalk. Dolomite, on the other hand, is a double carbonate of calcium and magnesium. Calcium in natural waters exists mainly as a bicarbonate, Ca(HCO3)2, which is temporary hardness, or as a sulfate, which is permanent hardness.

From determinations made periodically (every two weeks) since August 1966, a decrease has been found in the calcium content as …

Vectors: A Study Of Vector Analysis By H. B. Phillips, Robert Bray

Honors Theses

This paper solves several mathematics problems listed in Vector Analysis by H. B. Phillips.

Movement Of Forage Fishes In A South Dakota Stream, Thomas P. Felix

Electronic Theses and Dissertations

Movement patterns of Semotilus atromaculatus, Rhinichthvs atratulus, Campostoma anomalum and Catostomus commersoni were investigated in an eastern South Dakota stream for a period of one year. Electrofishing, fin clipping and a multiple census method were employed. Population structures were estimated for each species. Populations were considered unstable due to the occurrence of appreciable emigration and immigration between sampling periods. Differential size class mobility was established for all species. Species exhibited upstream movement tendencies during the summer and more random movement tendencies during the fall. Size classes of S.atromaculatus, R. atratulus, and C. anomalum showed differential upstream movement affinities. Considerable growth …

Concentration Of Suspended Radioactive Wastes Into Bottom Deposits., Dexter S. Haven

Reports

During recent years rapid advances in nuclear technology have increased the probability of accidental contamination of our coastal estuarine waters by several routes. The chances of such contamination appear remote, but in the event of a nuclear accident, it would be imperative to understand processes which will disperse or concentrate radioactive materials. In coastal waters the disposal or transport of radionuclides in concentrations exceeding the maximum permissible concentration is affected by tidal action and by the volume of inflowing fresh waters. During the period of transport by coastal or estuarine currents, physical and chemical forces will produce abiotic sedimentation. The …

Deux Nouveaux Halacariens D'Israël - Limnohalacarus Capernaumi N. Sp. Et Lohmannela Heptapegoni N. Sp., Anelya Petrova

International Journal of Speleology

Two new species of Halacarinae of a thermal slightly brackish spring near the Tiberiade lake in Israel are reported. Limnohalacaras capernaumi n. sp. has certain characteristics typical of other species of the Genus, but is clearly distinguished by proper elements. Lohmannell heptapegoni n. sp. resembles Lohmannella stammeri Viets, of which it is distinguished by the structure of the dorsal plates, the palp and the morphology of the genital apparatus.

Bioluminescence In Melosira Varians Ag., George Claus

International Journal of Speleology

Bluish green bioluminescence in a diatom, Melosira varians Ag. growing in an abandoned tin mine in Cornwall was observed. Upon microscopic examination the chloroplasts of the algae were found to be very pale but no other feature was seen which could be correlated with the luminescence.

Mise En Evidence De Substances Fluorescentes Dans Les Organes Jaunes De Caccosphaeroma Burgundum Dollfus, Crustacé Isopode Des Eaux Souterraines, H. Descimon, C. Marvillet

International Journal of Speleology

Chromatographic analysis of the yellow organs of the fresh-water Isopod Crustacean Caecosphaeroma burgundum Dollfus revealed, through observation of the chromatograms in ultraviolet light, the occurrence of both absorbing and fluorescent substances. Among the latter, only isoxanthopterin has been identified. The yellow pigment, which probably has a pteridine nucleus, could not be identified as a known compound and will be the object of later investigations.

Quartzite Karst In Southeastern Venezuela, William B. White, Gene L. Jefferson, Jon F. Haman

International Journal of Speleology

Minor weathering forms on the Roraima Quartzite in the Carrao River Basin of Southeastern Venezuela have the appearance of the karren that form on limestone surfaces in karst terrains. Climatological and chemical evidence indicates that these forms were generated by a solutional mechanism and that this area thus exhibits a minor karst topography on quartzite.

Répartition Géographique Et Validité De L'Espéce Troglobie Asellus Lusitanicus Frade (Crustacé Asellote), Guy Magniez

International Journal of Speleology

The troglobitic Asellid Asellus lusitanicus Frade (1938) is now known from three caves of the Serra de Aire (Central Portugal). It seems to be a good eyeless species of the “coxalis” group.

Les Mycetophilidae (Diptères) Cavernicoles De La Collection Biospeologica (IvE-ViiiE Séries Des «Grottes Visitées»), Anca Burghele-Balacesco

International Journal of Speleology

Study of the Mycetophilidae of the Biospeologica collection (Series IV to VIII of “Grottes visitées” was the objective of the present study. Thirty species have been identified, including Exechia peyerimhoffi n. sp. and Rhymosia pseudocretensis n. sp. The cave fauna contains several rare species - Exechia pollicata Edw., E. unguiculata Lundst., and Rhymosia cretensis Lundst. The ovipositors of Exechia coremura Edw. and E. landrocki Lundst. are figured for the first time.

Sur La Faculté D'Absorption De Substances Colorées Par La Cuticule De Caecosphaeroma Burgundum Dollfus, Crustacé Isopode Des Eaux Souterraines, François Graf, Claude Marvillet

International Journal of Speleology

The discovery, in certain subterranean waters, of “pigmented,” brown or black Caecosphaeroma burgundum, led to the systematic study of the action of pigmented substances on these crustaceans. The results of these experiments demonstrate that the colorations thus obtained or observed in nature are due to the agglutination of coloured substances on the surface of the carapace and, in certain cases, to an impregnation of the cuticle itself.

Neobisium (Roncobisium) Allodentatum N. Sg., N. Sp. De Pseudoscorpion Neobisiidae (Arachnides) Habitant Une Caverne Du Département De Saône-Et-Loire, France, Max Vachon

International Journal of Speleology

Neobisium (Roncobisium) allodentatum, a species inhabiting a cave in Saone-et-Loire, France, belongs to a new subgenus of Neobisium of which the essential characters are the possession of accessory teeth on the chelae (fig. 14) and a relative position of trichobothria eb and esb (fig. 8) recalling that of the species of Roncus. A determination key fixes the position of this new subgenus with respect to the four other known subgenera of Neobisium.

Underground Solution Canyons In The Central Kentucky Karst, U.S.A., Richard A. Watson

International Journal of Speleology

Solution canyons are underground voids 1 to 15 + meters wide, 3 to 45 + meters high, and 30 to 300 + meters long. Floors are stepped, ceilings level. Size increases downstream. Their course is sinuous, with some angularity. They occur parallel to and directly under or slightly offset from the thalwegs of re-entrant valleys tributary to major karst valleys. A section across a re-entrant and underlying solution canyon shows a rough hour-glass shape. Solution canyons are related genetically to solutional vertical shafts, forming where removal of the impermeable sandstone caprock permits the vertical descent of water through jointed limestone. …

Further Investigations Into Bacterial And Algal Populations Of Caves In South Wales, M. Ann Mason-Williams

International Journal of Speleology

Some physical data collected over a period of a year in seven locations of the Ogof Ffynnon Ddu cave system in South Wales are reported, including humidity, air and water temperature, pH of the water, as well as the organic oxygen demand of the water. It is shown that seasonal variations in the physical constant in this particular cave system are not well marked. Algae and bacteria were isolated from the soil samples and from calcareous deposits. A total of 30 algal species, of which 13 belong to the Cyanophyta, 22 to the Chlorophyta, and 7 to the …

Summary Of Results Obtained During A Preliminary Investigation Into The Bacterial And Botanical Flora Of Caves In South Wales, M. Ann Mason-Williams, Kathryn Benson-Evans

International Journal of Speleology

The results of an investigation into the bacterial and botanical flora of South Welsh caves are presented in tabular form. Bacterial counts and species isolated from the caves both from soil and water samples as well as from the air, also the macroscopic plants found in the photic zone are enumerated.

A Psychrophilic Yeast From Mammoth Cave, Kentucky, David Brashear, Ralph F. Wiseman, Thomas C. Barr Jr.

International Journal of Speleology

Samples collected in Mammoth Cave, Kentucky, revealed the presence of a psychrophilic yeast, tentatively identified as a strain of Candida albicans. The yeast is saprophytic on dead animal tissues and exhibits a pale yellow colour when growing in the cave. In vitro, the yeast grows poorly at 37°C. and well at 130 and 200, but loses its pigmentation. It is non-pathogenic in rabbits but appears to show low-grade parasitism in frogs.

Die Ökologische Stellung Der Höhlen-Und Spaltengewässer Innerhalb Der Subterranaquatilen Lebensbereiche, Siegfried Husmann

International Journal of Speleology

Bodies of waters in caves and in crevices of rocks are distinguished from the other subsoil water ecosystems (“eustygon”, “stygorhithron”, “stygopotamon”) under the names “troglostygon” and “petrostygon”. The colonisation of subsoil water biotopes involves a fundamental principle which controls the development of the main biotopes for the stygobiont undergroundwater organisms. According to this ecological rule, which is described in detail and formulated, the several interstitial biotopes (for example “eustygopsammal,” “rhithrostygopsammal,” “potamostygopsephal”) are to be considered as the real biotopes of the stygobiont subsoil water organisms; waters in caves, on the contrary, are secondary biotopes of these animals. Caves which contain …

Algal Growth Experiments In The Baradla Cave At Aggtelek (Biospeleologica Hungarica Xxi), Erzsebet Kol

International Journal of Speleology

The author kept 108 algal strains (Cyanophyta 53, Chlorophyta 35, Chrysophyta 20), of axenic cultures from the Kol-Algotheca in the Botanical Division of the Hungarian National Sciences Museum in the Baradla Cave, at Aggletek (Hungary) in darkness for 204-420 days under different environmental conditions. The experiments have proven that several algal strains can tolerate well the complete absence of light. Furthermore, that some algal strains show intensive development even under such conditions. These axenic cultures kept in the cave in metal boxes on inorganic medium have shown that the energy source used by these green coloured algae is not …

Documents Pour Servir À La Connaissance De La Laune De Mammifères Des Grottes Du Banat (Roumanie), Alexandrina Negrea, Lazare Botosaneanu, Stefan Negrea

International Journal of Speleology

The authors assembled from about 70 caves a rich collection of osteological material and specimens of living or fossil mammals. A list of the caves is given with an enumeration of the identified species for each cave. Under each species the caves which supplied the material are listed. This is followed by an inventory of the osteological material and by observations on the living animals (especially bats). Fifty-three mammal species (fossil and living) were accurately determined (14 carnivores, 6 artiodactyls, 1 lagomorph, 10 rodents, 3 insectivores, and 19 bats).

Die Lampen-Moosflora Der Beatushöhle Und Deren Vergleich Mit Anderen Europäisehen Höhlen, R. Bernasconi

International Journal of Speleology

The Bryological flora on the lamps of the St- Beatus Höhle is analysed. A statistic comparison of lampenflora from other 18 European caves shows the composition and the type of this flora is related to the humidity and to the difference in substratum. Ten species can be referred to as typical flora of show caves.

A New Species Of Gomphonema (Bacillariophyta) From Mammoth Cave, Kentucky, Sam L. Van Landingham

International Journal of Speleology

In some materials collected from Mammoth Cave, Kentucky, a diatom was found which could not be identified with any known species. A taxonomic description of Gomphonema hotchkissii nov. spec. is given.

Analyse Du Comportement Alimentaire Du Poisson Cavernicole Aveugle Anoptichthys Gen. Et D'Hybrides F1 (Astyanax X Anoptichthys) Et F2, Georges Thines, Monique Soffie, Erik Vandenbussche

International Journal of Speleology

The feeding behaviour of the blind cave fish Anoptichthys is characterised by two phases, an initial short chemioreceptic one and second one in which the fish explores the bottom systematically for a longer period. The whole process last approximately 30 seconds, both in adults as in youngsters.

An X-Ray Study Of The Lead Titanate-Bismuth Chromate System, Tsen-Tsou Shih

Masters Theses

"The lead titanate-bismuth chromate system was studied employing x-ray diffraction techniques at both room and high temperatures. Samples were prepared by sintering stoichiometric mixtures of the corresponding oxides followed by air quenching. Bismuth chromate was prepared by resintering and air quenching for four times. The results of the analyses show the structure of BiCrO₃ to be tetragonal with 8 molecules per unit cell. Solid solutions exist over the range 100 to 35 mole percent PbTiO₃ of the binary system, although small amounts of other phases are present in some regions. X-ray data at room temperature indicate the tetragonal perovskite structure …

A Study Of The Afterglow Of An R-F Excited Mercury Discharge, James A. Aubrecht

Masters Theses

"The short duration afterglow of an r-f discharge in mercury has been examined versus ground state mercury atom density and r-f power. The intensity of the 5771, 5462, 4360, 4079, 4047, 3907, 3651/56, 3342, and 3127/32Å atomic mercury lines were observed to decay as a function of time after the shut off of the active discharge. At temperatures below 333⁰K, all atomic lines decayed exponentially, and no molecular emission was observed. From 333⁰K to 423⁰K, the atomic lines were observed to decay rapidly initially, then exhibit an enhancement effect in intensity which was produced by metastable atom collisions, and finally, …