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Articles 451 - 480 of 533
Full-Text Articles in Other Environmental Sciences
Factors Affecting The Movements Of Rainbow Trout (Oncorhynchus Mykiss) In Lake Ogallala, Nebraska, Tadd M. Barrow
Factors Affecting The Movements Of Rainbow Trout (Oncorhynchus Mykiss) In Lake Ogallala, Nebraska, Tadd M. Barrow
School of Natural Resources: Dissertations, Theses, and Student Research
No abstract provided.
Birds And Agroecological Relationships In Organic And Non-Organic Farmland, Nancy A. Beecher
Birds And Agroecological Relationships In Organic And Non-Organic Farmland, Nancy A. Beecher
School of Natural Resources: Dissertations, Theses, and Student Research
No abstract provided.
Landowner And Tourist Attitudes Toward Elk Management In The Pine Ridge Region Of Northwestern Nebraska, R. Daniel Crank
Landowner And Tourist Attitudes Toward Elk Management In The Pine Ridge Region Of Northwestern Nebraska, R. Daniel Crank
School of Natural Resources: Dissertations, Theses, and Student Research
No abstract provided.
Influence Of Buffer Strip Width And Composition In Reduction Of Agricultural Non-Point Source Contaminants, Tim Schmitt
Influence Of Buffer Strip Width And Composition In Reduction Of Agricultural Non-Point Source Contaminants, Tim Schmitt
School of Natural Resources: Dissertations, Theses, and Student Research
No abstract provided.
Quartzite Fabric Transition In A Cordilleran Metamorphic Core Complex, Allen J. Mcgrew, Martin Casey
Quartzite Fabric Transition In A Cordilleran Metamorphic Core Complex, Allen J. Mcgrew, Martin Casey
Department of Earth, Environment and Sustainability Faculty Publications
Photomicrographs 143A-143F record fabric variations in quartzite with increasing structural depth in a > 1 km thick, amphibolite-facies, normal-sense shear zone in the East Humboldt metamorphic core complex, Nevada (Figure 143.1). This shear zone and the overlying detachment system unroofed an infrastructure of high-grade, migmatitic gneiss during Oligocene to early Miocene extension (Dallmeyer and others, 1986; Wright and Snoke, 1993; McGrew and Snee, 1994). Thermobarometric constraints from near the base of the mylonitic zone record deformation conditions of 550°- 620°C and 300-400 MPa (Hurlow and others, 1991). Sample WBC6 (l43A and 143B) characterizes the mylonitic zone, whereas sample 8706-1 (143C and …
Biology Of Shovelnose Sturgeon, Scaphirhynchus Platorynchus, In The Lower Platte River, Nebraska, Robin L. Hofpar
Biology Of Shovelnose Sturgeon, Scaphirhynchus Platorynchus, In The Lower Platte River, Nebraska, Robin L. Hofpar
School of Natural Resources: Dissertations, Theses, and Student Research
No abstract provided.
Effects Of Ultraviolet Radiation On Attached Diatom Growth And Distribution, Heather Lynn Emsley Hatsell
Effects Of Ultraviolet Radiation On Attached Diatom Growth And Distribution, Heather Lynn Emsley Hatsell
School of Natural Resources: Dissertations, Theses, and Student Research
No abstract provided.
Grand Tour-Part 2: Petrogenesis And Thermal Evolution Of Deep Continental-Crust: The Record From The East Humboldt Range, Nevada, Allen J. Mcgrew, Mark T. Peters
Grand Tour-Part 2: Petrogenesis And Thermal Evolution Of Deep Continental-Crust: The Record From The East Humboldt Range, Nevada, Allen J. Mcgrew, Mark T. Peters
Department of Earth, Environment and Sustainability Faculty Publications
The northern part of the East Humboldt Range, Nevada, provides a rare opportunity to explore the petrogenetic environment of deep levels in the middle crust during both large-scale Mesozoic contraction and Cenozoic regional extension. On this segment of the field trip, we will explore evidence bearing on the character of the metamorphic and magmatic history of this terrane, and attempt to link these constraints to the rheology and tectonic evolution of the middle crust during the Mesozoic and Cenozoic.
The Grand Tour Of The Ruby-East Humboldt Metamorphic Core Complex, Northeastern Nevada: Part 1-Introduction & Road Log, Arthur W. Snoke, Keith A. Howard, Allen J. Mcgrew, Bradford R. Burton, Calvin G. Barnes, Mark T. Peters, James E. Wright
The Grand Tour Of The Ruby-East Humboldt Metamorphic Core Complex, Northeastern Nevada: Part 1-Introduction & Road Log, Arthur W. Snoke, Keith A. Howard, Allen J. Mcgrew, Bradford R. Burton, Calvin G. Barnes, Mark T. Peters, James E. Wright
Department of Earth, Environment and Sustainability Faculty Publications
The purpose of this geological excursion is to provide an overview of the multiphase developmental history of the Ruby Mountains and East Humboldt Range, northeastern Nevada. Although these mountain ranges are commonly cited as a classic example of a Cordilleran metamorphic core complex developed through large-magnitude, mid-Tertiary crustal extension, a preceding polyphase Mesozoic contractional history is also well preserved in the ranges. An early phase of this history involved Late Jurassic two-mica granitic magmatism, high-temperature but relatively low-pressure metamorphism, and polyphase deformation in the central Ruby Mountains. In the northern Ruby Mountains and East Humboldt Range, a Late Cretaceous history …
Histomorphological Responses Of Red Shiner (Cyprinella Lutrensis) To Atrazine, Terbufos, And Their Mixture, Ibrahim A. Messaad
Histomorphological Responses Of Red Shiner (Cyprinella Lutrensis) To Atrazine, Terbufos, And Their Mixture, Ibrahim A. Messaad
School of Natural Resources: Dissertations, Theses, and Student Research
Alterations of normal histomorphology of fish tissues, behavior, and thermal tolerance are recognized by environmental toxicologists and fish biologists as powerful tools indicating diverse biochemical and physiological changes. Toxicity of atrazine (2-chloro-4-ethylamino-6-isopropylamino-1,3,5-triazine), terbufos (S-(((1,1-dimethyl-ethyl)thio)methyl)O,O-diethyl phosphorodithioate), and their mixture to red shiner (Cyprinella lutrensis) at 23$\sp\circ$C and 30$\sp\circ$C was investigated in 14-d bioassays after 14-d acclimation. During the bioassays, fish behavior, indications of toxicosis, and external anomalies were observed. After the bioassays, the critical thermal maximum (CTM) was determined. Fish also were preserved for examinations of gill, liver, and kidney tissues using scanning electron microscopy (SEM) and light microscopy (LM). SEM …
The Effects Of Wet Meadow Fragmentation On Grassland Birds, Christopher J. Helzer
The Effects Of Wet Meadow Fragmentation On Grassland Birds, Christopher J. Helzer
School of Natural Resources: Dissertations, Theses, and Student Research
No abstract provided.
Propagation Of Juniperus For Conservation Plantings In The Great Plains, Scott Allen Lee
Propagation Of Juniperus For Conservation Plantings In The Great Plains, Scott Allen Lee
School of Natural Resources: Dissertations, Theses, and Student Research
No abstract provided.
The Biology Of Alewife Alosa Pseudoharengus In Lake Ogallala, Nebraska, Eric A. Laux
The Biology Of Alewife Alosa Pseudoharengus In Lake Ogallala, Nebraska, Eric A. Laux
School of Natural Resources: Dissertations, Theses, and Student Research
No abstract provided.
Growth And Yield Of Snap Beans (Phaseolus Vulgaris L.) As Affected By Shelterbelts And Planting Dates, Mohd Nazip Suratman
Growth And Yield Of Snap Beans (Phaseolus Vulgaris L.) As Affected By Shelterbelts And Planting Dates, Mohd Nazip Suratman
School of Natural Resources: Dissertations, Theses, and Student Research
No abstract provided.
Thermal Tolerances Of Platte River Fishes: Field And Laboratory Studies, Brett P. Fessell
Thermal Tolerances Of Platte River Fishes: Field And Laboratory Studies, Brett P. Fessell
School of Natural Resources: Dissertations, Theses, and Student Research
No abstract provided.
Chronic Effects Of Baseflow Levels Of Atrazine On Platte River Algae, Karen J. Nelson
Chronic Effects Of Baseflow Levels Of Atrazine On Platte River Algae, Karen J. Nelson
School of Natural Resources: Dissertations, Theses, and Student Research
No abstract provided.
Influence Of Prey Availability On Walleye (Stizostedion Vitreum), Mark T. Porath
Influence Of Prey Availability On Walleye (Stizostedion Vitreum), Mark T. Porath
School of Natural Resources: Dissertations, Theses, and Student Research
No abstract provided.
Application And Evaluation Of A Biotic Index To Sand Hills And Streams Of Nebraska, Gregory T. Michl
Application And Evaluation Of A Biotic Index To Sand Hills And Streams Of Nebraska, Gregory T. Michl
School of Natural Resources: Dissertations, Theses, and Student Research
No abstract provided.
Riparian Habitats Of The Central Platte As A Corridor For Dispersal Of Small Mammals In Nebraska, Thomas D. Silvia
Riparian Habitats Of The Central Platte As A Corridor For Dispersal Of Small Mammals In Nebraska, Thomas D. Silvia
School of Natural Resources: Dissertations, Theses, and Student Research
No abstract provided.
Avian Use Of Field Windbreaks, Herbaceous Fencerows And Associated Cropfields In East Central Nebraska, Natalie J. Sunderman
Avian Use Of Field Windbreaks, Herbaceous Fencerows And Associated Cropfields In East Central Nebraska, Natalie J. Sunderman
School of Natural Resources: Dissertations, Theses, and Student Research
No abstract provided.
Avian Use Of Riparian Corridors And Adjacent Cropland In East-Central Nebraska, Rebecca L. Fitzmaurice
Avian Use Of Riparian Corridors And Adjacent Cropland In East-Central Nebraska, Rebecca L. Fitzmaurice
School of Natural Resources: Dissertations, Theses, and Student Research
No abstract provided.
Converted Railroad Corridors As Avian Habitat In Southeast Nebraska, Kevin L. Poague
Converted Railroad Corridors As Avian Habitat In Southeast Nebraska, Kevin L. Poague
School of Natural Resources: Dissertations, Theses, and Student Research
No abstract provided.
Drought Profile: Haryana State In North India, K. Kailasa Nathan
Drought Profile: Haryana State In North India, K. Kailasa Nathan
Drought Network News (1994–2001)
Haryana state is considered the breadbasket of India, along with the Punjab state. The effects of drought (and mitigation of those effects) are, therefore, of considerable importance for the state. This article considers the state’s drought profile through a study of six drought years in Haryana.
Home Range And Movement Characteristics Of Female White-Tailed Deer At Desoto National Wildlife Refuge, Kurt C. Vercauteren
Home Range And Movement Characteristics Of Female White-Tailed Deer At Desoto National Wildlife Refuge, Kurt C. Vercauteren
School of Natural Resources: Dissertations, Theses, and Student Research
No abstract provided.
Changes In Benthic Invertebrate Composition In Response To Reservoir Aging, Arthur Popp
Changes In Benthic Invertebrate Composition In Response To Reservoir Aging, Arthur Popp
School of Natural Resources: Dissertations, Theses, and Student Research
No abstract provided.
Limnological And Habitat Influences On Wetland Bird Communities In The Nebraska Sandhills, Timothy A. Cramer
Limnological And Habitat Influences On Wetland Bird Communities In The Nebraska Sandhills, Timothy A. Cramer
School of Natural Resources: Dissertations, Theses, and Student Research
No abstract provided.
The Origin And Evolution Of The Southern Snake Range Decollement, East Central Nevada, Allen J. Mcgrew
The Origin And Evolution Of The Southern Snake Range Decollement, East Central Nevada, Allen J. Mcgrew
Department of Earth, Environment and Sustainability Faculty Publications
Regional and local stratigraphic, metamorphic, and structural constraints permit reconstruction of the southern Snake Range extensional deformational system in east central Nevada. The dominant structure of the range, the southern Snake Range décollement (SSRD), operated during Oligocene and Miocene extensional deformation to exhume a footwall of multiply deformed metasedimentary and plutonic rocks. Intrusion of three plutons (∼160 Ma, 79.1 ± 0.5 Ma, and 36 ± 1 Ma, respectively) and development of two cleavages preceded the onset of extensional deformation. Plastic deformation of lower plate metasedimentary rocks accompanied the early phases of regional extension and produced bedding-parallel grain shape foliations and …
The Influence Of Alfalfa Root Structure On Plains Pocket Gopher Damage And Behavior, Bruce A. Jasch
The Influence Of Alfalfa Root Structure On Plains Pocket Gopher Damage And Behavior, Bruce A. Jasch
School of Natural Resources: Dissertations, Theses, and Student Research
No abstract provided.
Logistic Regression Models Of Habitat Use By Three Cyprinids In The Platte River, Nebraska, Shyi-Liang Yu
Logistic Regression Models Of Habitat Use By Three Cyprinids In The Platte River, Nebraska, Shyi-Liang Yu
School of Natural Resources: Dissertations, Theses, and Student Research
No abstract provided.
Ecological Aspects Of Burrowing Owl Nesting Strategies In The Nebraska Panhandle, Martha J. Desmond
Ecological Aspects Of Burrowing Owl Nesting Strategies In The Nebraska Panhandle, Martha J. Desmond
School of Natural Resources: Dissertations, Theses, and Student Research
No abstract provided.