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Articles 288781 - 288810 of 303067
Full-Text Articles in Physical Sciences and Mathematics
Un Batrachuperus Adulte Dans Une Grotte D'Iran Espèce Nouvelle?, M. Clergue-Gazeau, J. P. Farcy
Un Batrachuperus Adulte Dans Une Grotte D'Iran Espèce Nouvelle?, M. Clergue-Gazeau, J. P. Farcy
International Journal of Speleology
During a speleological exploration of a cave in Iran, a species of Urodele Hynobiidae was found. This Batrachian is either a new species of the genus Batrachuperus or an adult form of the species Batrachuperus persieus previously only described in its larval and juvenile forms. Certain observable differences suggest that it can be considered a new species. Observations on its feeding habits indicate that the presence of this periodic trogloxene in the cave is not “accidental”, but that it remains there for a long period during its life cycle.
Observations Sur Les Comportements De Lucifuga Subterranea Poey (Pisces, Ophidiidae), Poisson Cavernicole De Cuba, G. Thinès, M. Piquemal
Observations Sur Les Comportements De Lucifuga Subterranea Poey (Pisces, Ophidiidae), Poisson Cavernicole De Cuba, G. Thinès, M. Piquemal
International Journal of Speleology
The swimming behaviour and the sensory reactions of the blind Cuban cave fish Lucifuga subterranea Poey were studied on a single individual during a period of 6 months. Mechanical stimulation elicits but slight reactions. Gustatory substances in solution elicit fairly typical motor responses which are not followed by systematic exploration behaviour, the same being true for stimulations by odours of prey. The presence of moving prey provokes an oriented exploration with a slight plunging movement of the kind evidenced in other cave fishes. Actual seizing of the prey requires an active approach of the latter towards the anterior part of …
The Discovery Of Proteus-Eggs (Proteus Anguinus Laurenti, Amphibia) In Seminatural Conditions, B. Sket, F. Velkovrh
The Discovery Of Proteus-Eggs (Proteus Anguinus Laurenti, Amphibia) In Seminatural Conditions, B. Sket, F. Velkovrh
International Journal of Speleology
Proteus-eggs were found for the first time in the nature, drifted out of a karstic spring. They were obtained from the Vir Spring al Sticna, 30 km ESE of Ljubljana. The hydrological and faunistical data indicate that Proteus lays its eggs also in “unsheltered”, energetically rich groundwater habitats.
Fracturation Et Karstification D'Un Massif: L'Exemple De L'Azerou El Kebir (Algérie Du Nord), P. E. Coiffait, Y. Quinif
Fracturation Et Karstification D'Un Massif: L'Exemple De L'Azerou El Kebir (Algérie Du Nord), P. E. Coiffait, Y. Quinif
International Journal of Speleology
The fracturation of the sub-autochthonous massif of the Azerou el Kebir is not fundamentally different from that of the adjoining allochthonous massif - where the structures are due to an Alpine phase, known as the Atlas phase. As with all fractures, karstification only exploits certain of them, without having any linkage to their statistical importance, caves have developed following fractures which are qualitatively important, but are poorly represented quantitatively. The study of the karstification therefore, confirms his complementary to the structural analysis in order to elucidate the technical problems of fracturation in the region.
Adolph Schmidl (1802 - 1863) The Father Of Modern Speleology?, T. R. Shaw
Adolph Schmidl (1802 - 1863) The Father Of Modern Speleology?, T. R. Shaw
International Journal of Speleology
A. Adolf Schmidl (1802-1863) was the first person to regard speleology as a single coherent subject. Besides making important new explorations, he studied karst hydrology and underground meteorology and was also closely concerned with the work of others on cave fauna and flora. His publications ensured that his achievements were known to his successors, but his influence was less widespread than that of Martel who nevertheless called him “the real originator of speleology”.
The Development Of Limestone Cave Systems In The Dimensions Of Length And Depth, Derek Clifford Ford, R. O. Ewers
The Development Of Limestone Cave Systems In The Dimensions Of Length And Depth, Derek Clifford Ford, R. O. Ewers
International Journal of Speleology
Karst caves are defined as solutional cavities 5-16 mm in diameter and discussion is limited to cases where such continuously extend to a surficial input or output or both. Three opposed sets of general genetic hypotheses (“the classical hypotheses”) have been presented for such caves, Arguing that the majority develop 1) in the vadose zone 2) in the phreatic zone 3) proximate and parallel to a watertable. It is contended here that vadose, phreatìc and watertable caves are all of common occurrence and may be linked in one genetic theory. A four state model is proposed in which ideal phreatic …
Synthèse Bibliographique Sur La Toxicité Des Substances Fluorescentes Utilisées En Hydrologie, J. Molinari, J. Rochat
Synthèse Bibliographique Sur La Toxicité Des Substances Fluorescentes Utilisées En Hydrologie, J. Molinari, J. Rochat
International Journal of Speleology
This synthesis has been established from three recent studies and from a complementary bibliographical research. It resumes the names of fluorescent substances actually used or experimented as tracers in hydrology and draws attention to their uses and relative problems in their uses. The adjoining annex gives an exhaustive use of publications received on the subject (35 titles).
Sui Rhachomyces (Ascomycetes, Laboulbeniales) Parassiti Dei Duvalius Italiani (Coleoptera, Carabidae, Trechini), W. Rossi
International Journal of Speleology
The systematic position, variability and distribution of the two species of Rhachomyces parasitic on Italian Duvalius are defined on the basis of several new findings. Rhachomyces stipitatus Thaxter was found in Liguria, central Italy, Sicily and Sardinia; its synonymy with R. capucinus Thaxter is confirmed and the ssp. pallidus Maire is considered of no systematic relevance. R. maublancii, whose position is regularized by a Latin validating diagnosis, was only found on the Alps and previous records in other countries are questioned.
Notes Éco-Éthologiques Et Parasitologiques Sur Les Chiroptères Cavernicoles Du Shaba (Zaïre), M. Anciaux De Faveaux
Notes Éco-Éthologiques Et Parasitologiques Sur Les Chiroptères Cavernicoles Du Shaba (Zaïre), M. Anciaux De Faveaux
International Journal of Speleology
After a brief analysis of the elements of the cavernicolous microclimate in Shaba, the author emphasizes the possibility of relations between ecology and parasitism. He then reviews the 9 species of Chiroptera that live in the subterranean field in Shaba, pointing out their environmental habitat, behaviour and parasites.
Bragasellus Escolai N.Sp., Crustacea Isopoda Asellota Cavernicole D'Espagne, J. P. Henry, G. Magniez
Bragasellus Escolai N.Sp., Crustacea Isopoda Asellota Cavernicole D'Espagne, J. P. Henry, G. Magniez
International Journal of Speleology
The paper gives a description of a new, unpigmented and anophtalmous species of Bragasellus collected in Calderón Cave, Vellia de Carrión, Palencia Province, Northern Spain (hydrographic basin of Douro River).
Spontane Und Induzierte Aktivitätsmuster Bei Troglobionten Käfern (Genera Aphaenops, Geotrechus, Speonomus), G. Lamprecht, F. Weber
Spontane Und Induzierte Aktivitätsmuster Bei Troglobionten Käfern (Genera Aphaenops, Geotrechus, Speonomus), G. Lamprecht, F. Weber
International Journal of Speleology
In Constant temperature the troglobite beetles Aphaenops cerberus and pluto, Geotrechus orpheus and Speonomus diecki are aperiodically active. By periodogram analysis neither circadian nor ultradian or infradian periodic components can be found. Moreover there are no relevant correlations between the lengths of successive activity bursts and rest pauses. Consequently the activity patterns are stochasticly structured. In cases with constancy of activity respectively rest behaviour the probabilities for the transition from activity to rest and from rest to activity are computed using the Frequency histograms of lengths of activity bursts and rest pauses. The transition probability is time-invariant if the …
Prime Osservazioni In Margine A Un'esperienza Di Concrezionamento Di Alabastri Calcarei In Ambiente Ipogeo, P. Forti, R. Casali, G. Pasini
Prime Osservazioni In Margine A Un'esperienza Di Concrezionamento Di Alabastri Calcarei In Ambiente Ipogeo, P. Forti, R. Casali, G. Pasini
International Journal of Speleology
Optical analysis of thin slides of cave fromations carried out by a number of researchers showed a fine structure consisting of a succession of double layers (thichness less than a fe tens of micron). In each two layer unit, one is thicker, transparent and composed of an assembly of calcite needle shaped crystals oriented perpendicularly to the layer: the other layer is opaque, cryptocrystalline or amorphous. According to some C-14 datings of archaeological remains covered by the formations each couple of layers would correspond to one year. In order to check this hypothesis an experiment was set up in the …
Niveaux De Base Actuels Dans Les Principaux Canyons Du Languedoc Oriental Et Des Plans De Provence, G. Fabre, J. Nicod
Niveaux De Base Actuels Dans Les Principaux Canyons Du Languedoc Oriental Et Des Plans De Provence, G. Fabre, J. Nicod
International Journal of Speleology
In a karstic country cut by a canyon in which runs an allogenic river, there are several base levels (karstic, fluvial...); chiefly if the limestones develop greatly under the bottom of the gorge. The difficulty of characterizing them appears in all the definitions given. From the example of the three most important canyons of the Eastern Bas Languedoc (South-East of France) and with the different geological controls (s.l.) one ascertains that at present: a) When an allogenic and surface river is perennial without important loss there is a total connection between fluvial level and karstic base level. b) When an …
Studies Of The Cave Crayfish, Orconectes Inermis Inermis Cope (Decapoda, Cambaridae). Part Iv: Mark-Recapture Procedures For Estimating Population Size And Movements Of Individuals, Horton H. Hobbs Iii
Studies Of The Cave Crayfish, Orconectes Inermis Inermis Cope (Decapoda, Cambaridae). Part Iv: Mark-Recapture Procedures For Estimating Population Size And Movements Of Individuals, Horton H. Hobbs Iii
International Journal of Speleology
Several methods for permanently marking cavernicolous crayfishes were investigated prior to initiation of field work in Pless Cave, Lawrence County, Indiana. Internally injected ink complemented with external “painting” proved to be a most satisfactory tagging procedure. During the two-year study period 211 individuals of the troglobitic crayfish Orconectes inermis inermis Cope were marked; 96 tagged individuals were recaptured at least once, a 46% recapture rate. The population size was estimated to be 1586 +/- 79 (95% C.L.) over the 540 m subterranean stream study area and remained relatively stable during the period of 1970 to 1972. The home range of …
Un Asellide Interstitiel Du Bassin De I'Ebre (Espagne): Proasellus Lescherae N.Sp. (Crustacea, Isopoda, Asellota), Jean-Paul Henry, Guy Magniez
Un Asellide Interstitiel Du Bassin De I'Ebre (Espagne): Proasellus Lescherae N.Sp. (Crustacea, Isopoda, Asellota), Jean-Paul Henry, Guy Magniez
International Journal of Speleology
Proasellus lescherae n.sp. is a little, interstitial species, living in the underflow of Rio Guadalope Basin (a tributary of Ebro River). It is related to the water-slaters of the underground waters of the Pyreneo-cantabrigian region (the phyletic line of ProaselIus spelaeus Racovitza). The mean size of the reproductive females is very small (2.9 mm) and the brood contains only 6-10 eggs. Nevertheless, the size of the eggs and intramarsupial larval stages are the same as in epigean or hypogean species of the genus, which reach a larger adult size.
Un Nouveau Microparasellide Des Eaux Souterraines Phréatigues De I'Italie: Microcharon Arganoi N. Sp. (Crustacea: Isopoda), Giuseppe L. Pesce, Pierantonio Teté
Un Nouveau Microparasellide Des Eaux Souterraines Phréatigues De I'Italie: Microcharon Arganoi N. Sp. (Crustacea: Isopoda), Giuseppe L. Pesce, Pierantonio Teté
International Journal of Speleology
Microcharon arganoi, a new Microparasellid from subterranean waters of Southern Italy is described. For the shape and ornamentation of pleopod II of females and for the morphology of pleopod II of males, the new species is clearly related to the phyletic line which includes all the Western and French species of the genus. However, from all these species and from all the other ones M. arganoi differs by the ornamentation of the antennae, maxillipeds and pereiopeds, by the shape and ornamentation of pleopods I and II of males and II of females. and by ratio endopod/exopod of pleopod III. …
Baltimore Harbor And Channels : Surface Sediments In Virginia Channels, Robert J. Byrne, Robert J. Huggett
Baltimore Harbor And Channels : Surface Sediments In Virginia Channels, Robert J. Byrne, Robert J. Huggett
Reports
Bottom surface sediment samples in the Virginia Channels portion of the Baltimore Harbor and Channels Project and the four specified disposal sites were obtained and chemically analysed in accordance with DAC W31-78-C-0038. In addition, chemical analyses were performed on 15 sediment samples delivered to us from Maryland.
In total, 90 stations were occupied in Virginia Channels and the four proposed disposal sites for bottom surface sediments for bulk chemical analyses. Samples from the Maryland Channels were supplied by the Maryland Geological Survey. -
Morphology And Anatomy Of The Norwood Esker, Ontario, John Arthur Dixon
Morphology And Anatomy Of The Norwood Esker, Ontario, John Arthur Dixon
Theses and Dissertations (Comprehensive)
Over its 25 km. length the Norwood esker traverses two morphologically different areas, a northern section of kame, and a southern section of elongated drumlins. In the north the esker consists of single and multiple ridges: where multiple, the ridges are superimposed on a lower, broader, plateau-like base. In the south a high, steep-sided single ridge is present. In both areas, where single, the ridge splits locally into two narrower ridges which region a short distance downstream.
Internally, the esker contains mostly cross-laminated sands, tough-shaped and tabular sets of cross-bedded sands and gravel, and matrix-supported sandy gravels. The cross-laminated sands …
Stratigraphy Of The Lower Tertiary And Upper Cretaceous (?) Continental Strata In The Canyon Range, Juab County, Utah, James M. Stolle
Stratigraphy Of The Lower Tertiary And Upper Cretaceous (?) Continental Strata In The Canyon Range, Juab County, Utah, James M. Stolle
Theses and Dissertations
The Canyon Range Formation (informal new name), formerly mapped as the Indianola Group within the Canyon Range, is divisible into two distinct, mappable units, A and B. Unit A is nearly all conglomerate strata, and conglomerate texture and sedimentary structures suggest an alluvial fan depositional environment. Precambrian and basal Cambrian quartzite clasts represent the erosional debris from the allochthonous Canyon Range thrust. Unit B is composed of interbedded fluvial sandstone and conglomerates with lacustrine limestones, commonly micritic and/or oncolitic. Conglomerate clasts indicate a Paleozoic carbonate provenance. Unit A, previously mapped as the Indianola, underlies Unit B and correlates with the …
Ua66/8/3 Annual Report, Wku Geography & Geology
Ua66/8/3 Annual Report, Wku Geography & Geology
WKU Administration Documents
No abstract provided.
Ua35/11 Student Honors Research Bulletin, Wku Honors Program
Ua35/11 Student Honors Research Bulletin, Wku Honors Program
WKU Administration Documents
Papers representative of the variety of scholarly research conducted at WKU.
- Adams, Kathy. The Appalachian Language
- Barnett, Philip. A Study of Deviant Behavior of XYY Individuals in Regard to Environment and Genotype
- Bell, Brooks. Loving, Loyal Linda Loman: An Interpretive Note
- Danhauer, Janice. Motivating Workers Through Job Design
- Davis, Barbara. The Transformation of a Man into a Man of Understanding in Murinbata Society
- Davis, Diane. The Argot of the Homosexual
- Jewell, Teresa. The Life Story of the Hero of World War I - Sergeant Alvin C. York
- Lanham, Wayne. Das Knarrenschiff and a Ship of Fools: A Study in Influence …
Shoreline Situation Report Lancaster County, Lynne C. Morgan, Dennis W. Owen, Nancy M. Sturm, Gaynor B. Williams, Robert J. Byrne, Carl H. Hobbs Iii
Shoreline Situation Report Lancaster County, Lynne C. Morgan, Dennis W. Owen, Nancy M. Sturm, Gaynor B. Williams, Robert J. Byrne, Carl H. Hobbs Iii
Reports
No abstract provided.
Shoreline Situation Report City Of Virginia Beach, Dennis W. Owen, Lynne C. Morgan, Nancy M. Sturm, Robert J. Byrne, Carl H. Hobbs Iii
Shoreline Situation Report City Of Virginia Beach, Dennis W. Owen, Lynne C. Morgan, Nancy M. Sturm, Robert J. Byrne, Carl H. Hobbs Iii
Reports
No abstract provided.
Complementary Extremum Principles, J. Swetits, C. Rogers
Complementary Extremum Principles, J. Swetits, C. Rogers
Mathematics & Statistics Faculty Publications
Important complementary extremum principles are generated without recourse to general variational theory. The results are illustrated by an application to a class of boundary value problems in Magnetohydrodynamics.
Cell Quota Growth And Uptake Models Applied To Growth Of Selenastrum Capricornutum, Printz In A Non-Steady State Environment, Kenneth A. Voos, Ronald F. Malone, William J. Grenney
Cell Quota Growth And Uptake Models Applied To Growth Of Selenastrum Capricornutum, Printz In A Non-Steady State Environment, Kenneth A. Voos, Ronald F. Malone, William J. Grenney
Reports
Recently propsed algal uptake and growth models dependent on the cell quote (Q), the intracellular limiting nutrient to cell population quotient, were analyze and applied to experimental data. The data base used for comparing the models consisted of
Cost Minimization For Coal Conversion Pollution Control: A Mixed Integer Programming Model, Michael F. Torpy, A. Bruce Bishop, Rangesan Narayanan
Cost Minimization For Coal Conversion Pollution Control: A Mixed Integer Programming Model, Michael F. Torpy, A. Bruce Bishop, Rangesan Narayanan
Reports
A mixed integer program was structured to identify the least cost combination of recycling and treatment alternatives that can be used to control the liquid, solid, and gas waste streams produced from a 750-megawatt coat fired steam electric power plant. The model compared methods of liquid stream recycle and waste discharge treatment to meet given air and water quality standards. The model was then used to study the effects on the optimal solution of changes in capital, operation and maintenance, and energy and water costs. In addition, the effects on optimum system design of changes in particulate and sulfur oxide …
Variantes De Repartition Des Couts Du Programme De Mise En Valeur Du Bassin Du Fleuve Senegal, J. Paul Riley, Jay C. Andersen, A. Bruce Bishop, David S. Bowles, John E. Keith
Variantes De Repartition Des Couts Du Programme De Mise En Valeur Du Bassin Du Fleuve Senegal, J. Paul Riley, Jay C. Andersen, A. Bruce Bishop, David S. Bowles, John E. Keith
Reports
No abstract provided.
Cost Allocation Alternatives For The Senegal River Development Program, J. Paul Riley, Jay C. Andersen, A. Bruce Bishop, David S. Bowles, John E. Keith
Cost Allocation Alternatives For The Senegal River Development Program, J. Paul Riley, Jay C. Andersen, A. Bruce Bishop, David S. Bowles, John E. Keith
Reports
The primary purpose of the study reported herein is to present methods for using estimated project benefits as the basis for distributing the capital, oeprating, maintenance, and replacement costs associated with the proposed Senegal River development program. The problem is complicated because the Senegal River is an international stream, so that it is necessary to consider not only the various economic use sectors involved with the program, but also the three separate countries of Mali, Mauritania, and Senegal. In attempting to meet the primary objective stated above, the report proposes an economic model which estimates economic benefits of the development …
Engineering Properties And Slope Stability Settlement Analysis Related To Phosphate Mine Spoil Dumps In Southeastern Idaho, Richard E. Riker, Loren R. Anderson, Roland W. Jeppson
Engineering Properties And Slope Stability Settlement Analysis Related To Phosphate Mine Spoil Dumps In Southeastern Idaho, Richard E. Riker, Loren R. Anderson, Roland W. Jeppson
Reports
The engineering properties of waste spoil from phosphate mines in Southeastern Idaho were determined through field and laboratory testing. Based on these properties, the slope stability and settlement characteristics of phosphate spoil dumps were determined. Hypothetical examples illustrate possible modes of foundation failures. Such failures might occur when weak foundation soils exist of when there is a lack of embankment-foundation preparation prior to the disposal of waste material. Adequate protection against slope failure occurring through the embankment material can be accomplished by grading embankment finish slopes to 2 ½ horizontal to 1 vertical or flatter and taking proper caution to …
Evaluation Of The Long Term Effects Of Irrigation With Wastewater, James H. Reynolds, M. O. Braun, W. F. Campbell, R. W. Miller, L. R. Anderson
Evaluation Of The Long Term Effects Of Irrigation With Wastewater, James H. Reynolds, M. O. Braun, W. F. Campbell, R. W. Miller, L. R. Anderson
Reports
Introduction: Background: The application of municipal wastewater to the land or using the soil mantle as a wastewater treatment system has been practiced for many years. The history of land application dates back to ancient Athens. Sewage farming or the transportation of wastewater to rural areas for irrigation and disposal was practiced in Eurpose as early as 1559. The practice became fairly widespread in England, France, Germany, Poland, Austria, and the United States during the late 1800's [