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Articles 3841 - 3870 of 4182

Full-Text Articles in Natural Resources and Conservation

Final Report: Oglala National Grasslands Badlands Vegetational Survey, Joyce Hardy Jan 1995

Final Report: Oglala National Grasslands Badlands Vegetational Survey, Joyce Hardy

Nebraska Game and Parks Commission: White Papers, Conference Presentations, and Manuscripts

These surveys were taken to document the vegetational species in the Ogalala National Grasslands A total of 637 plant collections were made. Collections were made under Hardy’s number when possible. Identifications were completed by Hardy, with assistance by Ron Weedon, Steve Rolfsmeier, and Stan Welsch. Identifications were made using the Flora of the Great Plains, and synonym follows the same source. These collections represent 233 taxonomic entities, including 41 families, 227 separate species, one known hybrid, and six subspecific pairs. Four of these collections are new to the state of Nebraska and 44 are newly collected for the county of …


Avian Use Of Riparian Corridors And Adjacent Cropland In East-Central Nebraska, Rebecca L. Fitzmaurice Jan 1995

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 Dec 1994

Converted Railroad Corridors As Avian Habitat In Southeast Nebraska, Kevin L. Poague

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

No abstract provided.


The Prairie Naturalist Volume 26, No. 4. December 1994 Dec 1994

The Prairie Naturalist Volume 26, No. 4. December 1994

The Prairie Naturalist

REPRODUCTION OF RING-NECKED PHEASANTS IN IOWA ▪ T Z. Riley, J. B. Wooley, Jr. , and W. B. Rybarczyk

DIETARY COMPARISONS OF ADULT MALE COMMON GRACKLES, RED-WINGED BLACKBIRDS, AND YELLOW-HEADED BLACKBIRDS IN NORTH CENTRAL NORTH DAKOTA ▪ H. J. Homan, GM. Linz, W. J. Bleier, and R. B. Carlson

ECOGEOGRAPHY OF SOUTHERN BOG LEMMING AND MEADOW VOLE IN NORTH CENTRAL KANSAS ▪ T. L. Welker and J. R. Choate

SUMMER AND FALL FOOD HABITS OF COYOTES IN SOUTHWESTERN NORTH DAKOTA ▪ T. L. Lewis, W. F. Jensen, K. A. Keehr, and R. W. Seabloom

MOVEMENT PATTERNS OF WHITE-TAILED DEER AT …


The Prairie Naturalist Volume 26. No. 3. September 1994 Sep 1994

The Prairie Naturalist Volume 26. No. 3. September 1994

The Prairie Naturalist

BREEDING RANGE AND POPULATION STATUS OF LESSER PRAIRIE-CHICKENS IN COLORADO ▪ K. M. Giesen

LESSER PRAIRIE-CHICKEN MOVEMENTS AND HOME RANGES IN NEW MEXICO ▪ T. Z. Riley, C. A. Davis, M. A. Candelaria, and H. R. Suminski

WATERFOWL PRODUCTIVITY AND USE OF NESTING STRUCTURES IN THE PRAIRIE POTHOLE REGION ▪ R. R. Johnson, K. F. Higgins, I. J. Ball. and S. C. Kohn

A COMPARISON OF PERCH USE BY VOCALIZING EASTERN AND WESTERN MEADOWLARKS ▪ K. A. Kinstler and T. A. Sordahl

FARM OPERATOR ATTITUDES TOWARD WHITE-TAILED DEER AT SAND LAKE NATIONAL WILDLIFE REFUGE, SOUTH DAKOTA ▪ D. E. Naugle. …


The Prairie Naturalist Volume 26, No. 2. June 1994 Jun 1994

The Prairie Naturalist Volume 26, No. 2. June 1994

The Prairie Naturalist

EARLY HISTORY OF THE NORTH DAKOTA NATURAL SCIENCE SOCIETY ▪ J. T. Lokemoen

TEMPORAL VARIATION IN COYOTE PREY IN TALLGRASS PRAIRIE OF EASTERN KANSAS ▪ D. E. Brillhart and D. W. Kaufman

DIFFERENCES IN USE OF INTERSPERSED WOODLAND AND GRASSLAND BY SMALL MAMMALS IN NORTHEASTERN KANSAS ▪ B. R. McMillan and D. W. Kaufman

THE CIRCANNUAL MASS CYCLE IN THREE POPULATIONS OF THIRTEEN-LINED GROUND SQUIRREL ▪ G. Y. Walker, O. A. Schwartz, and J. E. Joy

SUMMER ELK TRAPPING IN SOUTH DAKOTA ▪ J. J. Millspaugh, G. C. Brundige, and J. J. Jenks

OUT-OF-SEASON BIRTHS OF ELK CALVES IN WYOMING …


Bird Excluding Technique, Ron J. Johnson Mar 1994

Bird Excluding Technique, Ron J. Johnson

School of Natural Resources: Faculty Publications

To provide access to a bird feeder to desirable species while excluding House Sparrows (Passer domesticus), a loop is mounted above the feeder and extends outwardly a few inches. The excluder is fastened to the bird feeder by staples or adhesives.


The Prairie Naturalist Volume 26. No. 1. March 1994 Mar 1994

The Prairie Naturalist Volume 26. No. 1. March 1994

The Prairie Naturalist

FISH CATCHES WITH HOOP NETS OF TWO DESIGNS IN THE LARAMIE RIVER, WYOMING ▪ W. A. Hubert and T. M. Patton

LENGTH DISTRIBUTIONS OF NORTHERN PIKE CAUGHT IN FIVE GILL NET MESH SIZES ▪ R. M. Neumann and D. W. Willis

EVALUATION OF LARGEMOUTH BASS SLOT LENGTH LIMITS IN TWO SMALL SOUTH DAKOTA IMPOUNDMENTS ▪ R. M. Neumann, D. W. Willis, and D. D. Mann

POSSIBLE PREDATION OF A FORSTER'S TERN CHICK BY A SNAPPING TURTLE ▪ G. Fraser

SMALL MAMMAL DIVERSITY AND ABUNDANCES IN THREE CENTRAL IOWA GRASSLAND HABITAT TYPES ▪ L. A. Hayslett and B. J. Danielson

SMALL …


Family Odontophoridae (New World Quails), John P. Carroll Jan 1994

Family Odontophoridae (New World Quails), John P. Carroll

School of Natural Resources: Faculty Publications

Class AVES

Order GALLIFORMES

Suborder PHASIANI

Family ODONTOPHORIDAE

(NEW WORLD QUAILS)

  • Fairly small terrestrial birds with compact body, strong legs, and short wings.
  • 17-37 cm
  • Neotropical and Nearctic Regions
  • Tropical, subtropical and temperate forests, forest edge, savanna and agricultural land, from sea-level to 3300 m.
  • 9 genera, 32 species, 139 taxa.
  • 2 species threatened; none extinct since 1600.


Semi-Annual Progress Report Fo The Period Of May 1, 1994 To October 31, 1994 (Hpcc Report 94-6), Kenneth G. Hubbard, Steven J. Meyer, David E. Stooksbury Jan 1994

Semi-Annual Progress Report Fo The Period Of May 1, 1994 To October 31, 1994 (Hpcc Report 94-6), Kenneth G. Hubbard, Steven J. Meyer, David E. Stooksbury

School of Natural Resources: Faculty Publications

No abstract provided.


Virgilian (Upper Pennsylvanian) Paleosols In The Upper Lawrence Formation (Douglas Group) And In The Snyderville Shale Member (Shawnee Group, Oread Formation) Of The Northern Midcontinent, U.S.A., R. M. Joeckel Jan 1994

Virgilian (Upper Pennsylvanian) Paleosols In The Upper Lawrence Formation (Douglas Group) And In The Snyderville Shale Member (Shawnee Group, Oread Formation) Of The Northern Midcontinent, U.S.A., R. M. Joeckel

School of Natural Resources: Faculty Publications

No abstract provided.


Low-Frequency Oscillations In Radiative-Convective Systems, Part Ii: An Idealized Model, Qi Hu, David A. Randall Jan 1994

Low-Frequency Oscillations In Radiative-Convective Systems, Part Ii: An Idealized Model, Qi Hu, David A. Randall

School of Natural Resources: Faculty Publications

No abstract provided.


Size Distribution And Scattering Phase Function Of Aerosol Particles Retrieved From Sky Brightness Measurements, Y. J. Kaufman, A. A. Gitelson, A. Karnieli, E. Ganor, R. S. Fraser, T. Nakajima, S. Mattoo, B. N. Holben Jan 1994

Size Distribution And Scattering Phase Function Of Aerosol Particles Retrieved From Sky Brightness Measurements, Y. J. Kaufman, A. A. Gitelson, A. Karnieli, E. Ganor, R. S. Fraser, T. Nakajima, S. Mattoo, B. N. Holben

School of Natural Resources: Faculty Publications

Ground-based measurements of the solar transmission and sky radiance in a horizontal plane through the Sun are taken in several geographical regions and aerosol types: dust in a desert transition zone in Israel, sulfate particles in Eastern and Western Europe, tropical aerosol in Brazil, and mixed continental/maritime aerosol in California. Stratospheric aerosol was introduced after the eruption of Mount Pinatubo in June 1991. Therefore measurements taken before the eruption are used to analyze the properties of tropospheric aerosol; measurements from 1992 are also used to detect the particle size and concentration of stratospheric aerosol. The measurements are used to retrieve …


Windbreaks For Livestock Operations, Vernon Quam, Ladon Johnson, Bruce Wight, James R. Brandle Jan 1994

Windbreaks For Livestock Operations, Vernon Quam, Ladon Johnson, Bruce Wight, James R. Brandle

School of Natural Resources: Faculty Publications

Windbreaks play an important role in the protection of livestock, particularly in young animals and in areas with cold northerly winds during the winter and early spring. Properly placed windbreaks can provide benefits to feedlots, livestock pastures, and calving areas. Reducing wind speed in winter lowers animal stress, improves animal health, and increases feeding efficiency. Livestock windbreaks provide significant amounts of wildlife habitat, protect the working environment in and around the livestock area, and screen noise and odors associated with livestock operations.

Specific needs of animals dictate that special attention be given to access, snow storage, and drainage when planning …


Sprinkler Irrigaton: A Voc Remediation Alternative, Roy F. Spalding, Mark E. Burbach, Mary Exner Spalding, Leyla Parra-Vicary, Dennis R. Alexander Jan 1994

Sprinkler Irrigaton: A Voc Remediation Alternative, Roy F. Spalding, Mark E. Burbach, Mary Exner Spalding, Leyla Parra-Vicary, Dennis R. Alexander

School of Natural Resources: Faculty Publications

A sprinkler irrigation system was tested to assess its efficacy for volatilizing organic chemicals in pumped ground water. In field tests involving the analysis of more than 250 samples collected from beneath a spray irrigation system, removal rates of ethylene dibromide (EDB), 1,1,2-trichloroethylene (TCE), 1,1,1-trichloroethane (TCA), and carbon tetrachloride (CT) in samplers placed 0.5 m above the ground exceeded 95% in the vast majority of cases, and approached 100% for the more volatile chemicals. As predicted by Henry’s Law, CT, TCA, and TCE were significantly more volatile than EDB. Removal efficiencies of conventionally designed sprinkler irrigation systems were enhanced by …


Home Range And Movement Characteristics Of Female White-Tailed Deer At Desoto National Wildlife Refuge, Kurt C. Vercauteren Dec 1993

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.


The Prairie Naturalist Volume 25. No. 4. December 1993 Dec 1993

The Prairie Naturalist Volume 25. No. 4. December 1993

The Prairie Naturalist

Paul B. Kannowski, Editor

Nikki R. Seabloom, Assistant Editor

Douglas H. Johnson, Book Review Editor

CONTENTS

FACTORS INFLUENCING DEER/VEHICLE MORTALITY IN EAST CENTRAL SOUTH DAKOTA ▪ J. S. Gleason and J. A. Jenks

PRONGHORN SKULL FOUND ALONG EDGE OF HISTORIC EASTERN DISTRIBUTION IN NORTH DAKOTA ▪ W. F. Jensen and R. W. Seabloom

SOREX MERRIAMI IN NEBRASKA ▪ P. W. Freeman, J. D. Druecker, and S. Tvrz

ARE DEER MICE A COMMON PREY OF COYOTES? ▪ G. A. Kaufman, D. E. Brillhart, and D. W. Kaufman

EFFECT OF PRAIRIE-FIRE ASH ON FOOD CHOICE BY DEER MICE AND HISPID COTTON RATS …


Changes In Benthic Invertebrate Composition In Response To Reservoir Aging, Arthur Popp Dec 1993

Changes In Benthic Invertebrate Composition In Response To Reservoir Aging, Arthur Popp

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

No abstract provided.


Proceedings Of The 6th International Grouse Symposium, David Jenkins Sep 1993

Proceedings Of The 6th International Grouse Symposium, David Jenkins

School of Natural Resources: Faculty Publications

Papers: Populations and habitats of snowshoe hares, Ruffed and Spruce Grouse in the southern boreal pine forest of Ontario • Populations of Capercaillie and Hazel Grouse in large natural and logged forests in northern Russia, 1950-1992 • Extrinsic factors influencing the population dynamics of Red Grouse • Hazel Grouse in the Bohemian Forest - results of a 20-year study • Studies of grouse in China • Seasonal movements by Hazel Grouse in south-central Sweden • Ecological and behavioural constraints on monogamy in the Willow Ptarmigan • Spatial distribution and habitat preference of male Capercaillie in the Pechora-Illych Nature Reserve in …


The Prairie Naturalist Volume 25, No. 3 September 1993 Sep 1993

The Prairie Naturalist Volume 25, No. 3 September 1993

The Prairie Naturalist

Paul B. Kannowski, Editor

Nikki R. Seabloom, Assistant Editor

Douglas H. Johnson, Book Review Editor

CONTENTS

AVAILABILITY OF EARTHWORMS AND SCARAB BEETLES TO SANDHILL CRANES IN NATIVE GRASSLANDS ALONG THE PLATTE RIVER ▪ C. A. Davis and P. A. Vohs

BLACK TERN COLONIZATION OF A RESTORED PRAIRIE WETLAND IN NORTHWESTERN MINNESOTA ▪ D. J. Delehanty and W. D. Svedarsky

MOUNTAIN PLOVER HABITAT SELECTION IN THE POWDER RIVER BASIN, WYOMING ▪ T. L. Parrish, S. R. Anderson, and W. F. Oelklaus

POST-HATCH BROOD AMALGAMATION IN LESSER SCAUP: FEMALE BEHAVIOR AND RETURN RATES AND DUCKLING SURVIVAL ▪ A. D. Afton

STATUS AND …


Limnological And Habitat Influences On Wetland Bird Communities In The Nebraska Sandhills, Timothy A. Cramer Aug 1993

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 Prairie Naturalist Volume 25. No. 2. June 1993 Jun 1993

The Prairie Naturalist Volume 25. No. 2. June 1993

The Prairie Naturalist

Paul B. Kannowski, Editor

Nikki R. Seabloom, Assistant Editor

Douglas H. Johnson, Book Review Editor

CONTENTS

RAPID GROWTH OF CHANNEL CATFISH IN FLAMING GORGE RESERVOIR, WYOMING ▪ C. B. Alexander and W. A. Hubert

MANAGEMENT EVALUATION OF BODY CONDITION AND POPULATION SIZE STRUCTURE FOR PADDLEFISH: A UNIQUE CASE ▪ M L. Brown and B. R. Murphy

DISTRIBUTION OF THE RIBBON LEECH IN NORTH DAKOTA ▪ C. M. Pennuto and M. G. Butler

SELENIUM IN EARED GREBE EMBRYOS FROM STEWART LAKE NATIONAL WILDLIFE REFUGE, NORTH DAKOTA ▪ M. M. Olson and D. Welsh

USING GEOGRAPHIC VARIATION TO PREDICT BREEDING LOCALES OF …


The Prairie Naturalist Volume 25. No. 1. March 1993 Mar 1993

The Prairie Naturalist Volume 25. No. 1. March 1993

The Prairie Naturalist

Paul B. Kannowski, Editor

Nikki R. Seabloom, Assistant Editor

Douglas H. Johnson, Book Review Editor

CONTENTS

FACTORS AFFECTING BIRD COLONIZATION OF RESTORED WETLANDS ▪ L. M. Hemesath and J. J. Dinsmore

RESPONSE OF DABBLING DUCKS TO EARLY-SPRING PARTIAL DRAWDOWN ON LAKE ERIE MARSHES ▪ T. Z. Riley and T. A. Bookhout

OVER-WATER NESTING BY DUCKS IN NORTHEASTERN SOUTH DAKOTA ▪ . K. L. Solberg and K. F. Higgins

ADDITIONAL MOUNTAIN PLOVER SIGHTINGS IN MONTANA ▪ D. M. Prellwitz

SMALL MAMMALS OF WOODED HABITATS OF THE KONZA PRAIRIE RESEARCH NATURAL AREA, KANSAS ▪ D. W. Kaufman, G. A. Kaufman, and E. …


Geological Field Guide To The Cedar Point Biological Station, Keith County, Nebraska, Robert F. Diffendal Jr., Roger K. Pabian Feb 1993

Geological Field Guide To The Cedar Point Biological Station, Keith County, Nebraska, Robert F. Diffendal Jr., Roger K. Pabian

School of Natural Resources: Faculty Publications

This field guide was produced by staff members of the Conservation and Survey Division of the University of Nebraska originally in 1979 at the request of Dr. Brent Nickol, former Director of the Cedar Point Biological Station. It is an introduction to the geologic history and paleoecology of the Cedar Point area intended for students, staff, and other persons using the camp. This revision has been made some 15 years after the first version to reflect changes in ideas resulting from new data collected during that time.

Users of this guide should take care when studying the rock exposures described …


Wbecon- An Interactive Computer Model For The Economic Evaluation Of Field Windbreaks, James R. Brandle Jan 1993

Wbecon- An Interactive Computer Model For The Economic Evaluation Of Field Windbreaks, James R. Brandle

School of Natural Resources: Faculty Publications

No abstract provided.


Research Of The Nebraska Agroforestry Team, James R. Brandle Jan 1993

Research Of The Nebraska Agroforestry Team, James R. Brandle

School of Natural Resources: Faculty Publications

No abstract provided.


An Improved Goniometer System For Calibrating Field Reference-Reflectance Panels, Elizabeth A. Walter-Shea, Cynthia J. Hays, Mark A. Mesarch Jan 1993

An Improved Goniometer System For Calibrating Field Reference-Reflectance Panels, Elizabeth A. Walter-Shea, Cynthia J. Hays, Mark A. Mesarch

School of Natural Resources: Faculty Publications

No abstract provided.


Photosynthesis And Stomatal Conductance Related To Reflectance On The Canopy Scale, S. B. Verma Jan 1993

Photosynthesis And Stomatal Conductance Related To Reflectance On The Canopy Scale, S. B. Verma

School of Natural Resources: Faculty Publications

No abstract provided.


Eddy Correlation Measurement Of Co2 Flux Using A Closed-Path Sensor: Theory And Field Tests Against An Open-Path Sensor, A. E. Suyker, S. B. Verma Jan 1993

Eddy Correlation Measurement Of Co2 Flux Using A Closed-Path Sensor: Theory And Field Tests Against An Open-Path Sensor, A. E. Suyker, S. B. Verma

School of Natural Resources: Faculty Publications

No abstract provided.


Asymmetric Trends Of Daily Maximum And Minimum Temperature, Thomas R. Karl, Philip D. Jones, Richard W. Knight, George Kukla, Neil Plummer, Vyacheslav Razuvayev, Kevin P. Gallo, Janette Lindseay, Robert J. Charlson, Thomas C. Peterson Jan 1993

Asymmetric Trends Of Daily Maximum And Minimum Temperature, Thomas R. Karl, Philip D. Jones, Richard W. Knight, George Kukla, Neil Plummer, Vyacheslav Razuvayev, Kevin P. Gallo, Janette Lindseay, Robert J. Charlson, Thomas C. Peterson

School of Natural Resources: Faculty Publications

Monthly mean maximum and minimum temperatures for over 50% (10%) of the Northern (Southern) Hemisphere landmass, accounting for 37% of the global landmass, indicate that the rise of the minimum temperature has occurred at a rate three times that of the maximum temperature during the period 1951-90 (0.84°C versus 0.28°C). The decrease of the diumal temperature range is approximately equal to the increase of mean temperature. The asymmetry is detectable in all seasons and in most of the regions studied.