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Articles 3991 - 4020 of 4182

Full-Text Articles in Natural Resources and Conservation

Interspecific Interactions Of Green Sunfish (Lepomis Cyanellus) And (Creek Chub (Semotilus Atromaculatus) In Small Streams In Southeast Nebraska, Steve L. Schleiger Mar 1986

Interspecific Interactions Of Green Sunfish (Lepomis Cyanellus) And (Creek Chub (Semotilus Atromaculatus) In Small Streams In Southeast Nebraska, Steve L. Schleiger

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

No abstract provided.


The Prairie Naturalist Volume 18, No. 1. March 1986 Mar 1986

The Prairie Naturalist Volume 18, No. 1. March 1986

The Prairie Naturalist

Paul B. Kannowski, Editor

Nikki R. Seabloom, Assistant Editor

Douglas H. Johnson, Book Review Editor

TABLE OF CONTENTS

INVASION PATTERN MAPPING OF NON-SEEDED SPECIES ON A SHALLOWLY DISTURBED SEEDED SITE ▪ C. E. Grygiel, C. D. Bonham, and E. F. Redente

CHANGES IN THE LICHEN FLORA OF PIPESTONE NATIONAL MONUMENT, MINNESOTA ▪ G. D. Willson and T. W. Vinyard

INTERPOPULATION VARIABILITY IN MOUTHPARTS IN Scaphiopus bombifrons IN NEBRASKA (AMPHIBIA: PELOBATIDAE) ▪ T. L. Potthoff and J. D. Lynch

PLANTS AND INVERTEBRATES IN A PRAIRIE WETLAND DURING DUCK BROOD-REARING J. W. McCrady, W. A. Wentz, and R. L. Linder

OCCURRENCE OF …


The Prairie Naturalist Volume 18, No. 3 September 1986 Mar 1986

The Prairie Naturalist Volume 18, No. 3 September 1986

The Prairie Naturalist

Paul B. Kannowski, Editor

Nikki R. Seabloom, Assistant Editor

Douglas H. Johnson, Book Review Editor

TABLE OF CONTENTS

HABITAT SELECTION AND MOVEMENT PATTERNS IN SANDHILLS RODENTS ▪ C. A. Lemen and P. W. Freeman

THE HERPETOFAUNA OF THE WEAVER DUNES, WABASHA COUNTY, MINNESOTA ▪ P. A. Cochran

MULTIPLE EGG CLUTCH PRODUCTION IN THE GREAT PLAINS TOAD ▪ J. J. Krupa

MAMMALS OF THE KONZA PRAIRIE RESEARCH NATURAL AREA, KANSAS ▪ E. J. Finck, D. W. Kaufman, G. A. Kaufman, S. K. Gurtz, B. K. Clark, L. J. McLellan, and B. S. Clark

AQUATIC INVERTEBRATES IN LEVEL DITCHES AND ADJACENT EMERGENT …


Characterizing Corn Hybrid Moisture Stress Sensitivity Using Canopy Temperature Measurements, B. L. Blad Jan 1986

Characterizing Corn Hybrid Moisture Stress Sensitivity Using Canopy Temperature Measurements, B. L. Blad

School of Natural Resources: Faculty Publications

No abstract provided.


Respiratory Release Of Co2 In Alfalfa And Soybean Under Field Conditions, S. B. Verma Jan 1986

Respiratory Release Of Co2 In Alfalfa And Soybean Under Field Conditions, S. B. Verma

School of Natural Resources: Faculty Publications

No abstract provided.


Ectoparasitism As A Cost Of Coloniality In Cliff Swallows (Hirundo Pyrrhonota), Charles R. Brown, Mary Bomberger Brown Jan 1986

Ectoparasitism As A Cost Of Coloniality In Cliff Swallows (Hirundo Pyrrhonota), Charles R. Brown, Mary Bomberger Brown

School of Natural Resources: Faculty Publications

Colonially nesting Cliff Swallows (Passeriformes: Hirundo pyrrhonota) in southwestern
Nebraska, USA, are commonly parasitized by hematophagous swallow bugs (Hemiptera: Cimicidae:
Oeciacus vicarius) and fleas (Siphonaptera: Ceratophyllidae: Ceratophyllus celsus). We examined to
what degree these ectoparasites represent a cost of coloniality for Cliff Swallows. The number of
swallow bugs per nest increased significantly with Cliff Swallow colony size. Body mass of nestling
swallows at 10 d of age declined significantly as the number of bugs per nestling increased. By fumigating
half of the nests in some colonies, killing the bugs, and leaving half of the nests as nonfumigated …


Development Of Oriented Lakes In The Eastern Rainbasin Region Of South Central Nebraska, James P. Krueger Jan 1986

Development Of Oriented Lakes In The Eastern Rainbasin Region Of South Central Nebraska, James P. Krueger

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

The Eastern Rainbasin region is located on a relatively flat-lying, loess-covered plain. The gently sloping land surface is poorly drained and in places local drainage is toward basins which lack external drainage. In the spring, excell precipitation collects in these basins, forming small lakes and marshes. It is these ephemeral lakes that give the region its name.


Native Hay Production Along A Depth-To-Water-Table Gradient In Eastern Sandhills Wet Meadows, Wheeler County, Nebraska, Jean M. Novacek Jan 1986

Native Hay Production Along A Depth-To-Water-Table Gradient In Eastern Sandhills Wet Meadows, Wheeler County, Nebraska, Jean M. Novacek

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

The Sandhills region of Nebraska, the largest dune field in the Western Hemisphere, occupies 15 north-central counties and extends over 51,800 km (20,000 mi) (Keech and Bentall, 1971; Ahlbrandt and Fryberger, 1980). Far from a desert, the Sandhills region is entirely vegetated by mixed-grass prairie with numerous wet areas and lakes in interdunal valleys. This rich, grass-covered dune sea stretches 427 km (265 mi) across from east to west and 209 km (130 miles) from north to south. The altitudes range from 670 m (2200 ft) above sea level in the eastern part to 1310 m (4300 ft) in the …


Aerodynamic Characteristics Of Grain Sorghum, S. B. Verma Jan 1986

Aerodynamic Characteristics Of Grain Sorghum, S. B. Verma

School of Natural Resources: Faculty Publications

No abstract provided.


The Prairie Naturalist Volume 17, No. 4. December 1985 Dec 1985

The Prairie Naturalist Volume 17, No. 4. December 1985

The Prairie Naturalist

Paul B. Kannowski, Editor

Nikki R. Seabloom, Assistant Editor

Douglas H. Johnson, Book Review Editor

TABLE OF CONTENTS

MOVEMENTS AND HABITAT USE OF MALE RUFFED GROUSE IN THE TURTLE MOUNTAINS, NORTH DAKOTA ▪ E. L. Bakke and J. W. Schulz

THE BIRDS OF KONZA PRAIRIE RESEARCH NATURAL AREA, KANSAS ▪ J. L. Zimmerman

VASCULAR FLORA OF RANSOM, RICHLAND, AND SARGENT COUNTIES, NORTH DAKOTA ▪ G. J. Seder and W. T. Barker

NORTH DAKOTA FLEAS. IX. SIPHONAPTERANS OF MAMMALS IN SOUTHWESTERN NORTH DAKOTA ▪ O. R. Larson, M. G. McKenna, and N. R. Fellows

NOTES

Breakup and Sibling Dispersal of Two …


Thiram And Methiocarb As Deer Mouse Repellents And Agents For Conditioned Aversion, Bobbi A. Holm Dec 1985

Thiram And Methiocarb As Deer Mouse Repellents And Agents For Conditioned Aversion, Bobbi A. Holm

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

No abstract provided.


The Prairie Naturalist Volume 17, No. 3. September 1985 Sep 1985

The Prairie Naturalist Volume 17, No. 3. September 1985

The Prairie Naturalist

Paul B. Kannowski, Editor

Nikki R. Seabloom, Assistant Editor

Douglas H. Johnson, Book Review Editor

TABLE OF CONTENTS

EFFECTS OF FIRE ON NUTRIENT AND ENERGY CONCENTRATION OF FIVE PRAIRIE GRASS SPECIES ▪ K. M. Ohr and T. B. Bragg

FOOD HABITS OF JUVENILE GIZZARD SHAD IN OPEN-WATER AND NEAR-SHORE HABITATS OF MELVERN RESERVOIR, KANSAS ▪ B. L. Todd and D. W. Willis

CHANGES IN BREEDING BLACKBIRD NUMBERS IN NORTH DAKOTA FROM 1967 TO 1981–82 ▪ J. F. Besser

RARE ANIMALS AND PLANTS OF SOUTH DAKOTA ▪ W. C. Houtcooper, D. J. Ode, J. A. Pearson, and G. M. Vandel III …


The Prairie Naturalist Volume 17, No. 2. June 1985 Jun 1985

The Prairie Naturalist Volume 17, No. 2. June 1985

The Prairie Naturalist

Paul B. Kannowski, Editor

Nikki R. Seabloom, Assistant Editor

Douglas H. Johnson, Book Review Editor

TABLE OF CONTENTS

A CHECKLIST OF TEXAS ANTS ▪ G. C. Wheeler and J. Wheeler

HABITAT SELECTION BY SMALL MAMMALS OF THE TALL-GRASS PRAIRIE: EXPERIMENTAL PATCH CHOICE ▪ S. K. Peterson, G. A. Kaufman, and D. W. Kaufman

CORN CONSUMPTION BY WINTERING MALLARDS DURING MORNING FIELD-FLIGHTS ▪ R. J. Whyte and E. G. Bolen

CHRISTMAS BIRD COUNTS FOR NORTH DAKOTA - 1984 ▪ R. N. Randall

MOUNTAIN PLOVER FOOD ITEMS ON AND ADJACENT TO A PRAIRIE DOG TOWN ▪ S. L. Olson

ECOLOGICAL DISTURBANCE IN …


Changes In Photosynthesis Rate In Pinus Sylvestris L. And Pinus Banksiana Lamb Seedlings Subjected To Drought Stress, George A. Riggs Jr. May 1985

Changes In Photosynthesis Rate In Pinus Sylvestris L. And Pinus Banksiana Lamb Seedlings Subjected To Drought Stress, George A. Riggs Jr.

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

No abstract provided.


Middle Miocene To Recent Stratigraphy And Paleogeography Of Western Nebraska, James B. Swinehart, Vernon L. Souders, H. M. Degraw, Robert F. Diffendal Jr. Apr 1985

Middle Miocene To Recent Stratigraphy And Paleogeography Of Western Nebraska, James B. Swinehart, Vernon L. Souders, H. M. Degraw, Robert F. Diffendal Jr.

School of Natural Resources: Faculty Publications

Two generally distinctive suites of sediments occur in western Nebraska, one dominantly volcaniclastic in origin deposited from the Oligocene through Early Miocene, and the other mainly epiclastic in origin deposited from the Middle Miocene through the Holocene. We have combined the epiclastic deposits usually placed in the Hemingford and Ogallala groups into an expanded Ogallala Group and have abandoned the member subdivisions of the Broadwater Formation.


Oligocene To Middle Miocene (White River And Arikaree Groups) Stratigraphy And Paleogeography Of Western Nebraska, James B. Swinehart, Vernon F. Souders, H. M. Degraw, Robert F. Diffendal Jr. Apr 1985

Oligocene To Middle Miocene (White River And Arikaree Groups) Stratigraphy And Paleogeography Of Western Nebraska, James B. Swinehart, Vernon F. Souders, H. M. Degraw, Robert F. Diffendal Jr.

School of Natural Resources: Faculty Publications

The White River Group traditionally has been divided into three stratigraphic units in western Nebraska, the Chadron, Orella, and Whitney. We also recognize three depositional sequences in the group but these consist of the following stratigraphic intervals (oldest to youngest): 1) the base of the Chadron to the unconformity in the Orella Member; 2) the unconformity to the top of the Whitney; and 3) the Brown Siltstone beds (a new informal unit). We divide the Arikaree into three units; 1) the Gering; 2) Monroe Creek-Harrison formations; and 3) the Upper Harrison beds.


New Evidence Supporting The Blancan Age Of The Sand And Gravel Sequence Capping The Ash Hollow Formation, Garden, Keith, And Lincoln Counties, Nebraska, Robert F. Diffendal Jr., James W. Goeke, Michael R. Voorhies Mar 1985

New Evidence Supporting The Blancan Age Of The Sand And Gravel Sequence Capping The Ash Hollow Formation, Garden, Keith, And Lincoln Counties, Nebraska, Robert F. Diffendal Jr., James W. Goeke, Michael R. Voorhies

School of Natural Resources: Faculty Publications

Sandwiched between the overlying eolian Quaternary loesses and sands and the underlying beds of the Ash Hollow Formation, Ogallala Group, buried beneath the sliver of Cheyenne Tableland in Keith County and adjacent areas of western Nebraska, is a mass of fluvially deposited sand, gravelly sand, and sandy gravel of previously uncertain age. Some authors assigned these sediments to the Ogallala Group, while others have called them either the Broadwater Formation (Blancan), or a combination of the two rock units.


The Prairie Naturalist Volume 17, No. 1. March 1985 Mar 1985

The Prairie Naturalist Volume 17, No. 1. March 1985

The Prairie Naturalist

Paul B. Kannowski, Editor

Nikki R. Seabloom, Assistant Editor

Douglas H. Johnson, Book Review Editor

TABLE OF CONTENTS

COMMUNITY ANALYSIS OF THE FOREST VEGETATION IN THE LOWER PLATTE RIVER VALLEY, EASTERN NEBRASKA ▪ S. J. Rothenberger

RECOLONIZATION OF A BURNED PRAIRIE BY MEADOW VOLES (Microtus pennsylvanicus) ▪ P. L. Vacanti and K. N. Geluso

AMERICAN COOT HABITAT IN NORTH DAKOTA ▪ H. A. Kantrud

OBSERVATIONS ON PRAIRIE DOG DISPERSAL IN MONTANA ▪ C. J. Knowles

WINTER FOOD HABITS OF THE SWIFT FOX ON THE CENTRAL HIGH PLAINS ▪ D. M. Zumbaugh and J. R. Choate

BOOK REVIEW

Ground …


Contrasts Among Bidirectional Reflectance Of Leaves, Canopies, And Soils, Elizabeth A. Walter-Shea Jan 1985

Contrasts Among Bidirectional Reflectance Of Leaves, Canopies, And Soils, Elizabeth A. Walter-Shea

School of Natural Resources: Faculty Publications

No abstract provided.


Microclimate-Plant Architectural Interactions: Influence Of Leaf Width On The Mass And Energy Exchange Of A Soybean Canopy, S. B. Verma Jan 1985

Microclimate-Plant Architectural Interactions: Influence Of Leaf Width On The Mass And Energy Exchange Of A Soybean Canopy, S. B. Verma

School of Natural Resources: Faculty Publications

No abstract provided.


Manual: Measurement Of Evapotranspiration By The Bowen Ratio Energy Balance Method, Joon Kim, Shashi Verma Jan 1985

Manual: Measurement Of Evapotranspiration By The Bowen Ratio Energy Balance Method, Joon Kim, Shashi Verma

School of Natural Resources: Faculty Publications

The Bowen ratio energy balance method has been widely used by many researchers to estimate the fluxes of water vapor and sensible heat between crops and atmosphere. The energy balance for the crop canopy can be expressed as Rn + G + H + LE + PS + M = 0 (1) where Rn is net radiation, G is soil surface heat flux, H is sensible heat flux and LE is latent heat flux.


The Inapplicability Of The Concept Of The "Sidney Gravel" To The Ogallala Group (Late Tertiary) In Part Of Southern Banner County, Nebraska, Robert F. Diffendal Jr. Jan 1985

The Inapplicability Of The Concept Of The "Sidney Gravel" To The Ogallala Group (Late Tertiary) In Part Of Southern Banner County, Nebraska, Robert F. Diffendal Jr.

School of Natural Resources: Faculty Publications

A series of geologic maps of counties in western Nebraska was prepared for the Nebraska Geological Survey during the mid-1 930s. These maps showed the distribution of rock units of Tertiary age including a formation designated as the “Sidney.” The Sidney Gravel was described as a widespread sheetlike complex of channel deposits, but with small areas where it is not developed. In southern Banner County, Nebraska, there are several channels filled with sand and gravel that were mapped as Sidney in this series. Recently one of these channel fills has been observed to cut across the other. The fills are …


Characteristics, Age Relationships, And Regional Importance Of Some Cenozoic Paleovalleys, Southern Nebraska Panhandle, Robert F. Diffendal Jr., James B. Swinehart, J. J. Gottula Jan 1985

Characteristics, Age Relationships, And Regional Importance Of Some Cenozoic Paleovalleys, Southern Nebraska Panhandle, Robert F. Diffendal Jr., James B. Swinehart, J. J. Gottula

School of Natural Resources: Faculty Publications

Few workers have reported previously on features of ancient valleys in western Nebraska. Six sites in the southern Nebraska Panhandle, ranging in age from Oligocene to Middle to Late Pleistocene, illustrate the characteristics and variability of Cenozoic paleovalleys. The dimensions of these paleovalleys vary from less than 0.1 km to more than 1.0 km in width and from less than 1.0 km to more than 100 km in length. Relief is as much as 35 m in outcrop. Four of the examples have valley sides that are nearly vertical. Potholes and other scour features occur at one site. Remnants of …


The Prairie Naturalist Volume 16, No. 4. December 1984 Dec 1984

The Prairie Naturalist Volume 16, No. 4. December 1984

The Prairie Naturalist

Paul B. Kannowski, Editor

Nikki R. Seabloom, Assistant Editor

Douglas H. Johnson, Book Review Editor

TABLE OF CONTENTS

VEGETATION PATTERNS IN RELATION TO TOPOGRAPHY AND EDAPHIC VARIATIONS IN NEBRASKA SAND HILLS PRAIRIE ▪ P. W. Barnes, A. T. Harrison and S. P. Heinisch

GREAT BLUE HERON NESTING BIOLOGY ON THE JAMES RIVER IN SOUTH DAKOTA ▪ E. M. Dowd and L. D. Flake

OVENBIRDS AT THE PERIPHERY OF THEIR RANGE IN WESTERN NORTH DAKOTA ▪ R. B. Hopkins

BREEDING BIRD COMMUNITY COLONIZATION OF SOWN STANDS OF NATIVE GRASSES IN NORTH DAKOTA ▪ K. F. Higgins, T. W. Arnold and R. …


Small Mammal Populations And Rodent Damage In Nebraska No-Tillage Crop Fields, Kent E. Holm Dec 1984

Small Mammal Populations And Rodent Damage In Nebraska No-Tillage Crop Fields, Kent E. Holm

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

No abstract provided.


House Mouse Populations And Their Damage To Common Building Insulations, Daryl D. Fisher Dec 1984

House Mouse Populations And Their Damage To Common Building Insulations, Daryl D. Fisher

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

No abstract provided.


A Study Of The Crayfish Orconectes Immunis In An Intermittent Nebraska Stream, John J. Shadle Dec 1984

A Study Of The Crayfish Orconectes Immunis In An Intermittent Nebraska Stream, John J. Shadle

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

No abstract provided.


The Prairie Naturalist Volume 16, No. 3. September 1984 Sep 1984

The Prairie Naturalist Volume 16, No. 3. September 1984

The Prairie Naturalist

Paul B. Kannowski, Editor

Nikki R. Seabloom, Assistant Editor

Douglas H. Johnson, Book Review Editor

TABLE OF CONTENTS

GRASSLAND HABITAT MANAGEMENT USING PRESCRIBED BURNING IN WIND CAVE NATIONAL PARK, SOUTH DAKOTA ▪ J. D. Forde, N. F. Sloan and D. A. Shown

BODY TEMPERATURES AND BEHAVIORAL ACTIVITIES OF HIBERNATING

PRAIRIE RATTLESNAKES, Crotalus viridis, IN ARTIFICIAL DENS ▪ K. R. Marion and O. J. Sexton

NEW VASCULAR PLANT RECORDS FOR NORTH DAKOTA ▪ D. T. Disrud, W. T. Barker and R. H. Warner

CHRISTMAS BIRD COUNTS FOR NORTH DAKOTA - 1983 ▪ R. N. Randall

COMPARISON OF PLANKTON POPULATIONS IN THREE …


Comments On The Geologic History Of The Ogallala Formation In The Southern Panhandle Of Nebraska, Robert F. Diffendal Jr. Jun 1984

Comments On The Geologic History Of The Ogallala Formation In The Southern Panhandle Of Nebraska, Robert F. Diffendal Jr.

School of Natural Resources: Faculty Publications

The southern Panhandle of Nebraska and the adjoining parts of southeastern Wyoming and northeastern Colorado are unusual places to examine the geologic history of the Ogallala Formation because they are much closer to the source areas of much of the sediment which makes up the unit than are other sites along the Ogallala outcrop belt. This study in Nebraska combined with results of earlier work there, in southeastern Wyoming, and ; northeastern Colorado, outlines the complex cut and fill history of the Ogallala close to Rocky Mountain source areas.

Parts of the Ogallala consist of fills of sand and gravel, …


The Prairie Naturalist Volume 16, No. 2. June 1984 Jun 1984

The Prairie Naturalist Volume 16, No. 2. June 1984

The Prairie Naturalist

Paul B. Kannowski, Editor

Nikki R. Sea bloom , Assistant Editor

Douglas H. Johnson, Book Review Editor

TABLE OF CONTENTS

AUTUMN WEIGHTS OF PLAINS SHARP-TAILED GROUSE IN MONTANA ▪ J. E. Swenson and R. L. Eng

VEGETATION PROFILE AND GRASSLAND BIRD RESPONSE TO SPRING BURNING ▪ G. E. Huber and A. A. Steuter

WETLAND PRESERVATION CONFLICTS IN NORTH DAKOTA: ECONOMIC INCENTIVES AND LANDOWNER ATTITUDES ▪ R. D. Saylor, R. A. Stromstad and M. E. Winger

COLLEMBOLA OF SOUTHWESTERN NORTH DAKOTA: SPECIES COMPOSITION AND HABITAT DISTRIBUTION ▪ B. L. Benner and P. B. Kannowski

NEW RECORDS OF EARTHWORMS FROM KANSAS (Oligochaeta: …