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Articles 1 - 30 of 45

Full-Text Articles in Physical Sciences and Mathematics

The Effects Of Wet Meadow Fragmentation On Grassland Birds, Christopher J. Helzer Dec 1996

The Effects Of Wet Meadow Fragmentation On Grassland Birds, Christopher J. Helzer

School of Natural Resources: Dissertations, Theses, and Student Research

No abstract provided.


Histomorphological Responses Of Red Shiner (Cyprinella Lutrensis) To Atrazine, Terbufos, And Their Mixture, Ibrahim A. Messaad Dec 1996

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 …


Propogation Of Juniperus For Conservation Plantings In The Great Plains, Scott Allen Lee Aug 1996

Propogation 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 Aug 1996

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.


Chronic Effects Of Baseflow Levels Of Atrazine On Platte River Algae, Karen J. Nelson May 1996

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 May 1996

Influence Of Prey Availability On Walleye (Stizostedion Vitreum), Mark T. Porath

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 May 1996

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 May 1996

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.


Geology Beneath The Primary Management Systems Evaluation Area (Msea) Site Southwest Of Shelton, Buffalo County, Nebraska, Robert F. Diffendal Jr., Frank A. Smith Feb 1996

Geology Beneath The Primary Management Systems Evaluation Area (Msea) Site Southwest Of Shelton, Buffalo County, Nebraska, Robert F. Diffendal Jr., Frank A. Smith

Robert F. Diffendal, Jr., Publications

In 1990, as part of a national presidential initiative on water quality, researchers from the University of Nebraska–Lincoln (UNL) Institute of Agriculture and Natural Resources (IANR) received a multiyear grant from the U.S. Department of Agriculture, Cooperative State Research Service, to study management of irrigated corn and soybeans to minimize groundwater contamination. D. G. Watts, R. F. Spalding, and J.S. Schepers, of the IANR led a study at one of the Management Systems Evaluation Areas (MSEA). This area was made up of two sites, a primary site on a terrace of the Platte River near Shelton and a secondary site …


Burt County Test Hole Logs, Raymond R. Burchett, Frank A. Smith Jan 1996

Burt County Test Hole Logs, Raymond R. Burchett, Frank A. Smith

Conservation and Survey Division

No abstract provided.


Geology Of The Liquid Propane Gas Storage Facility Near Greenwood, Nebraska, R. R. Burchett Jan 1996

Geology Of The Liquid Propane Gas Storage Facility Near Greenwood, Nebraska, R. R. Burchett

Conservation and Survey Division

No abstract provided.


Resource News-Winter 1995-96 Jan 1996

Resource News-Winter 1995-96

Conservation and Survey Division

No abstract provided.


Rural Domestic Well-Water Quality In The Sand Hills, D C. Gosselin Jan 1996

Rural Domestic Well-Water Quality In The Sand Hills, D C. Gosselin

Conservation and Survey Division

No abstract provided.


Regional Hydrogeologic Summaries From Domestic Water-Well Quality In Nebraska -- Hat Creek-White River Drainage Basin, D. C. Gosselin, J. Headrick, X- H. Chen, S. E. Summerside Jan 1996

Regional Hydrogeologic Summaries From Domestic Water-Well Quality In Nebraska -- Hat Creek-White River Drainage Basin, D. C. Gosselin, J. Headrick, X- H. Chen, S. E. Summerside

Conservation and Survey Division

No abstract provided.


Regional Analysis Of Rural Domestic Well-Water Quality -- South Central Plains, D. C. Gosselin, J. Headrick, X- H. Chen, S. E. Summerside Jan 1996

Regional Analysis Of Rural Domestic Well-Water Quality -- South Central Plains, D. C. Gosselin, J. Headrick, X- H. Chen, S. E. Summerside

Conservation and Survey Division

No abstract provided.


Regional Analysis Of Rural Domestic Well-Water Quality -- East Central Dissected Plains, D. C. Gosselin, X- H. Chen, S. E. Summerside Jan 1996

Regional Analysis Of Rural Domestic Well-Water Quality -- East Central Dissected Plains, D. C. Gosselin, X- H. Chen, S. E. Summerside

Conservation and Survey Division

No abstract provided.


Regional Analysis Of Rural Domestic Well-Water Quality In The Northeast Glacial Drift Area, D. C. Gosselin, J. Headrick, X- H. Chen, S. E. Summerside Jan 1996

Regional Analysis Of Rural Domestic Well-Water Quality In The Northeast Glacial Drift Area, D. C. Gosselin, J. Headrick, X- H. Chen, S. E. Summerside

Conservation and Survey Division

No abstract provided.


Regional Analysis Of Rural Domestic Well-Water Quality -- Southeastern Glacial Drift Area, D. C. Gosselin, J. Headrick, X- H. Chen, S. E. Summerside Jan 1996

Regional Analysis Of Rural Domestic Well-Water Quality -- Southeastern Glacial Drift Area, D. C. Gosselin, J. Headrick, X- H. Chen, S. E. Summerside

Conservation and Survey Division

No abstract provided.


Regional Analysis Of Rural Domestic Well-Water Quality -- Platte River Valley, D. C. Gosselin, J. Headrick, X- H. Chen, S. E. Summerside Jan 1996

Regional Analysis Of Rural Domestic Well-Water Quality -- Platte River Valley, D. C. Gosselin, J. Headrick, X- H. Chen, S. E. Summerside

Conservation and Survey Division

No abstract provided.


Regional Hydrogeologic Summaries From Domestic Well-Water Quality In Rural Nebraska -- Sand Hills, D. C. Gosselin, J. Headrick, X- H. Chen, S. E. Summerside Jan 1996

Regional Hydrogeologic Summaries From Domestic Well-Water Quality In Rural Nebraska -- Sand Hills, D. C. Gosselin, J. Headrick, X- H. Chen, S. E. Summerside

Conservation and Survey Division

No abstract provided.


Regional Hydrogeologic Summaries From Domestic Well-Water Quality In Rural Nebraska -- South Central Plains, D. C. Gosselin, J. Headrick, X- H. Chen, S. E. Summerside Jan 1996

Regional Hydrogeologic Summaries From Domestic Well-Water Quality In Rural Nebraska -- South Central Plains, D. C. Gosselin, J. Headrick, X- H. Chen, S. E. Summerside

Conservation and Survey Division

No abstract provided.


Groundwater-Level Changes In Nebraska, Predevelopment To Spring 1994, Mack Ann, Jim Weir, Jennifer Sharpe Jan 1996

Groundwater-Level Changes In Nebraska, Predevelopment To Spring 1994, Mack Ann, Jim Weir, Jennifer Sharpe

Conservation and Survey Division

No abstract provided.


Registered Irrigation Wells In Nebraska-Summer 1995, Mack Ann, Jim Weir, Jennifer Sharpe Jan 1996

Registered Irrigation Wells In Nebraska-Summer 1995, Mack Ann, Jim Weir, Jennifer Sharpe

Conservation and Survey Division

No abstract provided.


Regional Hydrogeologic Summaries From Domestic Well-Water Quality In Rural Nebraska -- Missouri River Lowlands, D. C. Gosselin, J. Headrick, X- H. Chen, S. E. Summerside Jan 1996

Regional Hydrogeologic Summaries From Domestic Well-Water Quality In Rural Nebraska -- Missouri River Lowlands, D. C. Gosselin, J. Headrick, X- H. Chen, S. E. Summerside

Conservation and Survey Division

No abstract provided.


Annual Departures From Average Annual Precipitation In Nebraska, 1876-1995/ Annual Installation Of Irrigation Wells (1937-1995), Conservation Survey Division Jan 1996

Annual Departures From Average Annual Precipitation In Nebraska, 1876-1995/ Annual Installation Of Irrigation Wells (1937-1995), Conservation Survey Division

Conservation and Survey Division

No abstract provided.


Regional Analysis Of Rural Domestic Well-Water Quality -- Republican River Valley And Dissected Plains, D. C. Gosselin, J. Headrick, X- H. Chen, S. E. Summerside Jan 1996

Regional Analysis Of Rural Domestic Well-Water Quality -- Republican River Valley And Dissected Plains, D. C. Gosselin, J. Headrick, X- H. Chen, S. E. Summerside

Conservation and Survey Division

No abstract provided.


Data On Mineral Production In Nebraska, R. R. Burchett, D. Mohlman Jan 1996

Data On Mineral Production In Nebraska, R. R. Burchett, D. Mohlman

Conservation and Survey Division

No abstract provided.


Polk County Test Hole Logs, Raymond R. Burchett, Frank A. Smith Jan 1996

Polk County Test Hole Logs, Raymond R. Burchett, Frank A. Smith

Conservation and Survey Division

No abstract provided.


Resource News-Summer 1996 Jan 1996

Resource News-Summer 1996

Conservation and Survey Division

No abstract provided.


Resource Notes-Academic Year 1995-96 Jan 1996

Resource Notes-Academic Year 1995-96

Conservation and Survey Division

No abstract provided.