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Articles 871 - 900 of 1048
Full-Text Articles in Entire DC Network
Nebraska Wetlands Priority Plan, Richard Gersib
Nebraska Wetlands Priority Plan, Richard Gersib
Nebraska Game and Parks Commission: Staff Research Publications
Table of Contents:
Introduction
Methods
Results .S ite 1: Rainwater Basin Wetland Complex
Results - Site 2: Platte River Wetland Complex .B ig Bend Reach
Results - Site 3: Nebraska Sandhills Wetland Complex
Results - Site 4: Eastern Nebraska Saline Wetland
Results - Site 5: Missoun. Ri.v er Wetland Complex
Results - Site 6: Lower North Platte River Wetland Complex
Priority Assessment of Wetland Sites
Review, Revision and Definitions
References
Appendices
Emergency Wetlands Resources Act of 1986
Agencies and Organizations Reviewing The Nebraska Wetlands Priority Plan
Criteria For Identifying Wetlands Of International Importance And Guidelines on Their Use
Rainwater Basin …
The Prairie Naturalist Volume 23, No. 1. March 1991
The Prairie Naturalist Volume 23, No. 1. March 1991
The Prairie Naturalist
Paul B. Kannowski, Editor
Nikki R. Seabloom, Assistant Editor
Douglas H. Johnson, Book Review Editor
CONTENTS
AGRICULTURAL LAND USE AND MOURNING DOVES IN EASTERN COLORADO: IMPLICATIONS FOR NESTING AND PRODUCTION IN THE GREAT PLAINS ▪ T E. Olson, C. E. Braun, and R. A. Ryder
DISTRIBUTION OF SANDHILL CRANES IN THE NORTH PLATTE RIVER VALLEY 1980 AND 1989 ▪ M. J. Folk and T. C. Tacha
NOCTURNAL BEHAVIOR OF SANDHILL CRANES ROOSTING IN THE PLATTE RIVER, NEBRASKA ▪ B. S. Norling, S. H. Anderson, and W A. Hubert
LEAD POISONING OF A MARBLED GODWIT ▪ L. N. Locke, M. R. …
Assessment Of Inservice Needs In Environmental Education And Implementation Suggestions: K-8, Suzan R. Burcham
Assessment Of Inservice Needs In Environmental Education And Implementation Suggestions: K-8, Suzan R. Burcham
Theses Digitization Project
No abstract provided.
Thematic Approach To Teaching Reading And Environmental Education Kindergarten-Sixth Grade, Christina R. Gonzales
Thematic Approach To Teaching Reading And Environmental Education Kindergarten-Sixth Grade, Christina R. Gonzales
Theses Digitization Project
No abstract provided.
Developing And Implementing An Environmental Education Course At A Local High School, Lawrence E. Ellis
Developing And Implementing An Environmental Education Course At A Local High School, Lawrence E. Ellis
Theses Digitization Project
No abstract provided.
Predation Risk And The Importance Of Cover For Juvenile Rainbow Trout In Lentic Systems, R. A. Tabor, Wayne A. Wurtsbaugh
Predation Risk And The Importance Of Cover For Juvenile Rainbow Trout In Lentic Systems, R. A. Tabor, Wayne A. Wurtsbaugh
Watershed Sciences Faculty Publications
Juvenile rainbow trout Oncorhynchus mykiss stocked in midelevation reservoirs in Utah inhabit shallow nearshore areas and are vulnerable to predation from piscivorous fish and birds. We determined the use and importance of nearshore habitats by (1) measuring habitat selection by, prey availability to, and feeding of juvenile rainbow trout in two reservoirs with populations of predators, and (2) measuring survival and growth rates in the presence and absence of cover in a pond experiment where adult brown trout Salmo trutta were predators. In the reservoirs juvenile rainbow trout (60–120 mm standard length) were abundant in complex inshore habitats but avoided …
Survival Of Trout Strains As Affected By Limnological Parameters, Wayne A. Wurtsbaugh, Timothy Modde, Chris Luecke, Cheryl Courtney
Survival Of Trout Strains As Affected By Limnological Parameters, Wayne A. Wurtsbaugh, Timothy Modde, Chris Luecke, Cheryl Courtney
Watershed Sciences Faculty Publications
Juvenile rainbow trout Oncorhynchus mykiss. (ca. 80 mm S.L.) stocked into mid-elevation reservoirs in Utah are vulnerable to predation from piscivorous fish and birds. I determined how effectively juvenile trout used cover to avoid these predators by using direct observations (snorkel transects) on habitat selection in two reservoirs. Observations of juvenile trout were conducted within five weeks of stocking in 1988 and 1989. During the day juvenile trout were abundant in complex inshore habitats. Juvenile trout actively fed during the day but the time of peak feeding was variable. Large Daphnia made of > 95% of the diet of juvenile trout. …
Species Richness Gradients Of Oak Forest Plants Along The Missouri River In Nebraska And Iowa, Steven B. Rolfsmeier
Species Richness Gradients Of Oak Forest Plants Along The Missouri River In Nebraska And Iowa, Steven B. Rolfsmeier
Nebraska Game and Parks Commission: White Papers, Conference Presentations, and Manuscripts
The upland deciduous forests of the Missouri River valley contain many plants typical of forests to the east of this area, which are assumed to have migrated northward and westward along the river in postglacial times. Previous workers have reported a gradient of decreasing species richness upstream among woody species, which is suggested to be the result of climatic gradients and differential dispersal capabilities of the immigrant species. Floristic work on all vascular species in eight woodland sites along the Nebraska-Iowa border quantifies the presence of similar gradients for herbaceous species, but of differing degrees. These studies also reveal the …
Population Dynamics And Harvest Response Of Beaver, Neil F. Payne
Population Dynamics And Harvest Response Of Beaver, Neil F. Payne
Wildlife Damage Management Conference
"For when we speak of the fur trade, we mean the beaver trade. Other furs were handled; others -- notably the rich sea otter -- were more valuable by far. But the beaver was the root and core of the trade... Many men died, a continent was explored, an indigenous [human] race degraded and its culture crushed; all because beaver fur, with its tiny barbs, felted up better than any other" (Berry 1961:18).
The Effectiveness Of Orco Mole Bait In Controlling Mole Damage, Dale K. Elshoff, Glenn R. Dudderar
The Effectiveness Of Orco Mole Bait In Controlling Mole Damage, Dale K. Elshoff, Glenn R. Dudderar
Wildlife Damage Management Conference
The tunneling damage caused by eastern moles (Scalopus aguaticus) and starnosed moles (Condylura cristata) is well known to professionals in lawn care, golfcourse maintenance, and turfgrass production, as well as many private landowners. Present damage control methods, including trapping, gas and smoke fumigants, and insecticide applications have a wide variety of limitations and prove impractical in some situations. An easily applied mole damage control method is needed that professional and nonprofessional applicators can use in a variety of environmental and physical conditions.
This study tested the effectiveness of Orco Mole Bait, a chlorophacinone pellet placed in …
The Effectiveness Of Orco Mole Bait In Controlling Mole Damage, Dale K. Elshoff, Glenn R. Dudderar
The Effectiveness Of Orco Mole Bait In Controlling Mole Damage, Dale K. Elshoff, Glenn R. Dudderar
Eastern Wildlife Damage Control Conference: 4th (1989)
The tunneling damage caused by eastern moles (Scalopus aquaticus) and star-nosed moles (Condvlura cristata) is well known to professionals in lawn care, golf course maintenance, and turf grass production, as well as many private landowners. Present damage control methods, including trapping, gas and smoke fumigants, and insecticide applications have a wide variety of limitations and prove impractical in some situations. An easily applied mole damage control method is needed that professional and nonprofessional applicators can use in a variety of environmental and physical conditions. This study tested the effectiveness of Oreo Mole Bait, a chlorophacinone pellet …
Population Dynamics And Harvest Response Of Beaver, Neil F. Payne
Population Dynamics And Harvest Response Of Beaver, Neil F. Payne
Eastern Wildlife Damage Control Conference: 4th (1989)
"For when we speak of the fur trade, we mean the beaver trade. Other furs were handled; others — notably the rich sea otter — were more valuable by far. But the beaver was the root and core of the trade ... Many men died, a continent was explored, an indigenous [human] race degraded and its culture crushed; all because beaver fur, with its tiny barbs, felted up better than any other" (Berry 1961:18). The habits of beaver (Castor canadensis) allow them to be located and trapped readily, resulting in their extirpation from many areas. Beaver populations have …
The Prairie Naturalist Volume 21, No.2 June 1989
The Prairie Naturalist Volume 21, No.2 June 1989
The Prairie Naturalist
THE MISSISSIPPI KITE IN THE ENVIRONMENTAL HISTORY OF THE SOUTHERN GREAT PLAINS ▪ E. G. Bolen and D. L. Flores
TAPE-RECORDED CHICK CALLS TO LOCATE GRAY PARTRIDGE NESTS ▪ J. P. Carroll
BORROW DISTRIBUTION OF THE THIRTEEN-LINED GROUND SQUIRREL IN GRAZED MIXED-GRASS PRAIRIE: EFFECT OF ARTIFICIAL HABITAT STRUCTURE ▪ D. W. Kaufman and G. A. Kaufman
PIPING PLOVERS NESTING AT NELSON RESERVOIR, MONTANA ▪ D. W. Prellwitz, T. A. Prellwitz, K. L. Stutzman, and J. W. Stutzman
CHRISTMAS BIRD COUNTS FOR NORTH DAKOTA - 1988 ▪ R. N. Randall
CHANGING HABITATS IN THE PLATTE RIVER VALLEY OF NEBRASKA ▪ J. …
Kansas Attitudes On Prairie Dog Control, Charles D. Lees, F. Robert Henderson
Kansas Attitudes On Prairie Dog Control, Charles D. Lees, F. Robert Henderson
Great Plains Wildlife Damage Control Workshop Proceedings
In Kansas prairie dog management is primarily determined by private individuals and local government agencies. We conducted a mail survey of 350 affected landowners as a means to evaluate the effectiveness of current prairie dog control. The same survey was also sent to 350 randomly selected state residents within the general prairie dog range. We evaluated people's perceptions of prairie dogs, the effectiveness of control methods, costs of control, and reasons for poor response to control techniques. Results indicate people that have previously been involved in prairie dog control on lands they manage have different opinions about prairie dogs than …
Neue Literatur (Page 42), Martin-Luther-Universität
Neue Literatur (Page 42), Martin-Luther-Universität
Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298
Neue literatur listed on page 42 of Erforschung biologischer Ressourcen der Mongolischen Volsrepublik, Band 6 (1985/1986).
In der Zeitschrift Polish Ecological Studies, Vol. 8, No 1-2 (1982) erschienen folgende Beiträge.
In der Zeitschrift "Acta Facultatis Rerum Naturalium Universitatis Comenianae" Zoologia Nr. 28 (1985), Bratislava, erschienen folgende Beiträge.
Loss Of Biological Diversity: A Global Crisis Requiring International Solutions: A Report To The National Science Board, Craig Call Black, Perry L. Adkisson, Gardner Mallard Brown, Rita Rossi Colwell, Charles E. Hess, James B. Holderman, K. June Lindstedt-Siva, William A. Nierenberg, Peter Hamilton Raven, Theodore M. Smith, Edward O. Wilson, W. Franklin Harris
Loss Of Biological Diversity: A Global Crisis Requiring International Solutions: A Report To The National Science Board, Craig Call Black, Perry L. Adkisson, Gardner Mallard Brown, Rita Rossi Colwell, Charles E. Hess, James B. Holderman, K. June Lindstedt-Siva, William A. Nierenberg, Peter Hamilton Raven, Theodore M. Smith, Edward O. Wilson, W. Franklin Harris
Harold W. Manter Laboratory of Parasitology: Library Materials
Executive Summary
Biological diversity refers to the variety and variability among living organisms and the ecological complexes in which they occur. Diversity can be defined as the number of different items and their relative frequency. For biological diversity, these items are organized at many levels, ranging from complete ecosystems to the chemical structures that are the molecular basis of heredity. Thus, the term encompasses different ecosystems, species, genes, and their relative abundance (OTA, 1987).
There is an ongoing, unprecedented loss of the variety as well as absolute numbers of organisms-from the smallest microorganism to the largest and most spectacular of …
The Prairie Naturalist Volume 20, No. 4. December 1988
The Prairie Naturalist Volume 20, No. 4. December 1988
The Prairie Naturalist
Paul B. Kannowski, Editor
Nikki R. Seabloom, Assistant Editor
Douglas H. Johnson, Book Review Editor
TABLE OF CONTENTS
RANGE PLANT COMMUNITIES OF THE CENTRAL GRASSLAND RESEARCH STATION IN SOUTH CENTRAL NORTH DAKOTA ▪ C. L Lura, W. T. Barker, and P. E. Nyren
SEASONAL PATTERNS IN SAMPLING DATA FOR LARGEMOUTH BASS AND BLUE GILLS IN A NORTHERN GREAT PLAINS IMPOUNDMENT ▪ E. A. Bettross and D. W. Willis
INTRODUCTION, ESTABLISHMENT, AND DISPERSAL OF WESTERN MOSQUITOFISH IN NEBRASKA (ACTINOPTERYGII: POECILIIDAE) ▪ J. D. Lynch
OBSERVATIONS ON THE ECOLOGY OF CHIGGERS (ACARI: TROMBICULIDAE) FROM SOUTH DAKOTA ▪ E. R. Easton and W. …
Use Of Economic Instruments In Biodiversity Conservation Projects: The Sustainability Of Projects In The Ecuadorian Amazon, Amy Lyons
Honors Theses
Under what conditions do biodiversity conservation projects that use economic incentives promote the most significant and sustainable biodiversity protection? The study of how nations can best invest their resources to promote conservation while simultaneously encouraging a sustainable form of economic development has recently become a major focus for ecologically rich, less-developed countries. There have been many innovative and successful attempts at combining biodiversity protection with economic development, and others that have done more harm than good. Since there is no guaranteed recipe for a successful project, it is crucial to examine projects in detail to discern which type of project …
Instream Flows, The Public Trust, And The Future Of The West, Harrison C. Dunning
Instream Flows, The Public Trust, And The Future Of The West, Harrison C. Dunning
Instream Flow Protection in the Western United States: A Practical Symposium (March 31-April 1)
65 pages (includes illustrations).
Contains 28 pages of footnotes.
Rice As A Trap Crop For The Rice Field Rat In Malaysia, Y. M. Lam
Rice As A Trap Crop For The Rice Field Rat In Malaysia, Y. M. Lam
Vertebrate Pest Conference Proceedings: 13th (1988)
The potential of rice as a trap crop for the rice field rat, Rattus argentiventer. was clearly illustrated by the studies conducted in 60.7 ha of newly rehabilitated rice land in Pcrmatang Pauh and in the MARDI Research Centre's rice fields in Bumbong Lima. The rice crop was very attractive to the rats, especially at the reproductive phase. The combina¬tion of a physical barrier and traps was very effective in exploiting rice as a trap crop for rice field rats. The trapping patterns indicated a massive influx of rats from the surroundings for a period of three weeks in Permatang …
Use Of Drc 1339 To Control Crows In Three Roosts In Kentucky And Arkansas, Frank L. Boyd, Douglas I. Hall
Use Of Drc 1339 To Control Crows In Three Roosts In Kentucky And Arkansas, Frank L. Boyd, Douglas I. Hall
Eastern Wildlife Damage Control Conference: 3rd (1987)
Field tests utilizing DRC 1339 (3- chloro-4-methylbenzamine hydrochloride) 98% concentrate on whole kernel corn for crow (Corvus brachyrhynchos) control were conducted in January and February 1981 in Lexington and Louisville, Kentucky, and in 1982 in Ashdown, Arkansas. Treated bait was placed in staging areas near the roosts after pre-baiting indicated good acceptance at the sites. The rate of acceptance varied with bait placement. Best results were obtained when bait was placed on bare ground at habitually used staging areas close to the roost site. Population reductions of up to 25% were obtained with limited baiting. DRC 1339 appears …
The Probe, Issue 72 - May/June 1987
The Probe, Issue 72 - May/June 1987
The Probe: Newsletter of the National Animal Damage Control Association
THE PROBE
National Animal Damage Control Association
MAY - JUNE, 1987
The Denver Wildlife Research Center has recently reviewed studies on predation on livestock.
Lion Attacks
Personnel
NADCA – Bonide Chemical Co.
Letters to Ye Ed
The Humane Society
Animal Rightist Game Plan Unfolds
Georgia General Assembly
Animal Rightist Goals
Mousetrap
8th Australian Animal Damage Control Conference
Small Mammals: Pests Or Vital Components Of The Ecosystem, Carolyn Hull Sieg
Small Mammals: Pests Or Vital Components Of The Ecosystem, Carolyn Hull Sieg
Great Plains Wildlife Damage Control Workshop Proceedings
Small mammals regarded as "pests" should not be viewed separately from other components in the ecosystem. Small mammals have significant influences on vegetation and soils, exert predatory pressure on other animals, and provide food for predators. Future management efforts should include consideration of these diverse influences.
Management Of Prairie Dog Populations In Wind Cave National Park, Richard W. Klukas
Management Of Prairie Dog Populations In Wind Cave National Park, Richard W. Klukas
Great Plains Wildlife Damage Control Workshop Proceedings
Since the late 1920's there have been periodic control programs on black-tailed prairie dogs in Wind Cave National Park. The most recent control effort, which began in 1982, resulted in the reduction of total dogtown acreage from 2,000 to 750 acres. Recent studies carried out within the park have provided managers with more soundly based justification for carrying out control programs. The same information also points to the importance of maintaining prairie dog populations at or above certain minimum levels and the need for integrating this control program with several of the other resource management programs being carried out in …
Janet Frost's Review Of Patrick Vinton Kirch's Feathered Gods And Fishhooks: An Introduction To Hawaiian Archaeology And Prehistory, Janet Frost
Pacific Studies
No abstract provided.
An Ecological Study Of Mourning Doves In A Cold Desert Ecosystem On The Idaho National Engineering Laboratory, Frank P. Howe
An Ecological Study Of Mourning Doves In A Cold Desert Ecosystem On The Idaho National Engineering Laboratory, Frank P. Howe
Electronic Theses and Dissertations
Mourning dove (Zenaida macroura) use of and movements around man-made ponds, as well as dove nesting ecology, were studied from 1983 through 1985 on the Idaho National Engineering Laboratory (INEL). Relative dove use was higher (P < 0.01) on some ponds than others, and multiple regression revealed a positive association (R 2 = 0.49) between relative use and the geographic isolation of ponds. Two peaks in diurnal pond use were exhibited by doves on the INEL: the mourning peak began around 0800 and lasted until approximately 1300, and the evening peak began at about 2030 and ended by 2150. Seasonal pond use fluctuated slightly through the summer then dropped rapidly in early September. Average and average maximum movements indicated that the 41 mourning doves trapped and fitted with radio-transmitters at the Test Reactor Area (TRA) and the Naval Research Facility (NRF) did not move off of the INEL on a regular basis. The average distance from mourning dove locations to TRA and NRF was <2.0 km, and the average maximum dove location was <3.5 km from either facility. Average (<2.0 km) and average maximum (<3.5 km) distances were also measured from dove locations to watering sites. Doves captured at both TRA and NRF moved, on average, 1.5 km from their nests; the average maximum distance from a dove's location to its nest was 2.8 and 5.4 km for doves caught at TRA and NRF. The average maximum distance between any 2 locations (for the same individual) at both TRA and NRF was <4.0 km. Mourning doves on the INEL are primarily ground nesters. Nesting success averaged 68% per year, with 1.8 fledglings produced per successful nest. Nesting densities averaged 0.02 nests/ha during the study. Three peaks in hatching occurred on the INEL: 1 during the fourth week of June, another during the third week of July, and a third during the first and second weeks of August. Annual production estimates for the INEL ranged from 11,300 to 17,000 doves, based on a model using 2 and 3 nesting attempts per summer. No differences (P > 0.05) were indicated in the percent coverage of shrubs, grasses, forbs, and bare ground, as measured with the line-intercept method, in the 5-m area surrounding dove nests and paired random sites. However, a difference in the percentage of grass cover and bare ground, as measured with a point-frame, was indicated in the 1-m2 (microhabitat) centered on the nest or random site; nest sites contained …
The Prairie Naturalist Volume 17, No. 4. December 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 …
Histoplasmosis And Its Impact On Blackbird/Starling Roost Management, A.R. Stickley Jr., R.J. Weeks
Histoplasmosis And Its Impact On Blackbird/Starling Roost Management, A.R. Stickley Jr., R.J. Weeks
Eastern Wildlife Damage Control Conference: 2nd (1985)
Histoplasmosis is a common and sometimes serious fungal disease that primarily affects the lungs, but can also involve other parts of the human body. The disease is characterized by 3 major forms: acute pulmonary, chronic cavitary, and disseminated histoplasmos is. Two fungicides are effective in treatment of the disease, but serious side effects often result. The occurrence of the fungus, Histoplasma capsulatum, is associated with large quantities of bird and bat excreta that have come in contact with soil. Roost sites must generally be occupied by birds for at least 3 years before soil conditions are conducive to its …
Dispersing Blackbird-Starling Roosts With Helium-Filled Balloons, Donald F. Mott
Dispersing Blackbird-Starling Roosts With Helium-Filled Balloons, Donald F. Mott
Eastern Wildlife Damage Control Conference: 2nd (1985)
Large (120 cm diameter) helium-filled balloons (2-10 per ha of roost) tethered about 8 m above the vegetation were effective in dispersing blackbirds and starlings from roosting sites. Bird population estimates before, during, and after balloon exposure showed that the balloons frightened the birds and caused most of them to abandon the roost. Roosting bird numbers at each of 5 test roost sites (0.3 to 1.7 ha) were reduced an average of 82% (min-max 47-100%) during 3 to 4 evenings of balloon exposure. Winds >16 km/h during the study made it difficult to keep the balloons aloft and not entangled …
Histoplasmosis And Its Impact On Blackbird/Starling Roost Management, A. R. Stickley Jr., R. J. Weeks
Histoplasmosis And Its Impact On Blackbird/Starling Roost Management, A. R. Stickley Jr., R. J. Weeks
Wildlife Damage Management Conference
Histoplasrnosis is a common and sometimes serious fungal disease that primarily affects the lungs, but can also involve other parts of the human body. The disease is characterized by 3 major forms: acute pulmonary, chronic cavitary, and disseminated histoplasmosis.Two fungicides are effective in treatment of the disease, but serious side effects often result. The occurrence of the fungus, Histoplasma capsulatum, is associated with large quantities of bird and bat excreta that have come in contact with soil. Roost sites must generally be occupied by birds for at least 3 years before soil conditions are conducive to its growth. Once established, …