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Articles 3361 - 3390 of 3791
Full-Text Articles in Natural Resources and Conservation
Fisheries Research Report No.100 - The Impact Of Trawling For Saucer Scallops And Western King Prawns On The Benthic Communities In Coastal Waters Off South-Western Australia, L. J.B. Laurenson, P. Unsworth, J. W. Penn, R. C.J. Lenanton
Fisheries Research Report No.100 - The Impact Of Trawling For Saucer Scallops And Western King Prawns On The Benthic Communities In Coastal Waters Off South-Western Australia, L. J.B. Laurenson, P. Unsworth, J. W. Penn, R. C.J. Lenanton
Fisheries Research Reports
A two year study was undertaken to collect data for the assessment of the impact of the saucer scallop and western king prawn trawl fisheries on the benthic communities in coastal waters off south western Australia, between 31°20'5 and 34°23'5 latitude.
Monitoring of reported commercial landings, on-board sampling of commercial catches, research vessel trawl surveys, experimental and exploratory trawling, and underwater television observations, have enabled the development of an extensive data-base on the fishery and benthic communities of the region.
These data indicate that the existing fishery operates on a number of relatively small, discrete grounds where saucer scallops or …
The Prairie Naturalist Volume 25. No. 1. March 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
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 …
Managing Bushland On The Farm, Penny Hussey
Managing Bushland On The Farm, Penny Hussey
Journal of the Department of Agriculture, Western Australia, Series 4
Since the time of European settlement in Western Australia, the replacement of native vegetation with crops and pastures has led to problems for both agricultural production and nature conservation. The most obvious of these are hydrological changes leading to salinisation and waterlogging, and the extinction of some native plants and animals.
Protection of remaining remnants of native bushland, together with revegetation, is increasingly seen as important ways of achieving sustainable agriculture and maintaining our unique wildlife.
Ua35/11 Student Honors Research Bulletin, Wku Honors Program
Ua35/11 Student Honors Research Bulletin, Wku Honors Program
WKU Administration Documents
The WKU Student Honors Research Bulletin is dedicated to scholarly involvement and student research. These papers are representative of work done by students from throughout the university.
- Anderson, R. Scott. Anglo-Italian Relations During the Unification of Italy, 1859-1860
- Clark, Anne. Can Extra Fat Make Healthier Hogs? The Effects of Dietary alpha-Linolenic Acid on Antibody Production in Swine Following Stimulation by Red Blood Cells and by Pasteurella Multocida (Serotype A)
- Gottfried, Victoria. Attention Deficit Hyperactivity Disorder: A New Look at an Old Problem
- Halbert, Christy. The Stereotype of the Female Athlete
- Hannah, Kathleen. Innocence and Corruption in Nathaniel Hawthorne's The Scarlet …
Nebraska Butterflies, Stephen M. Spomer
Nebraska Butterflies, Stephen M. Spomer
University of Nebraska State Museum: Staff and Affiliates, Publications
Nebraska is a crossroads of butterfly diversity. Many species reach their distributional limits in Nebraska. The 100th meridian, which runs through central Nebraska, appears to be a good distributional limit for many species. In short, eastern Nebraska contains butterflies similar or identical to those found in most of the eastern United States, central Nebraska has both eastern and western butterflies, and western Nebraska has a butterfly fauna more like the Rocky Mountains or Black Hills. Over 200 species of butterflies have been recorded in Nebraska, which is a higher number than most of our neighboring states. Some of our butterflies …
Ecology Of The State Endangered Yellow Mud Turtle, Kinosternon Flavescens In Henry Co., Illinois, Michael W. Tuma
Ecology Of The State Endangered Yellow Mud Turtle, Kinosternon Flavescens In Henry Co., Illinois, Michael W. Tuma
Masters Theses
Illinois populations of the state endangered yellow mud turtle (Kinosternon flavescens) persist in scattered locations on sand prairies. The largest population occurs on a remnant sand prairie of the former Green River Marsh in Henry Co. A study was conducted during 1992 to determine important criteria for preserve design. These criteria included extent of turtle movements within the site and habitat use. Turtles were captured by aquatic hoop traps, drift fence, and by hand from May 11 to August 31. A total of 16 adults, four juveniles, and eight hatchlings were captured. Population size was estimated at 44.80 adults using …
Inventory Of Rare Plant Species In The Pine Ridge Area Of Nebraska (Dawes And Sioux County, Nebraska), Michael I. Fritz, Joyce Philips Hardy, Steven B. Rolfsmeier
Inventory Of Rare Plant Species In The Pine Ridge Area Of Nebraska (Dawes And Sioux County, Nebraska), Michael I. Fritz, Joyce Philips Hardy, Steven B. Rolfsmeier
Nebraska Game and Parks Commission: White Papers, Conference Presentations, and Manuscripts
The purpose of this project was to conduct a systematic inventory of rare plant species on the Pine Ridge District of the Nebraska National Forest. The objective of the inventory was to locate rare plant occurrences and compile information on their location, status and any possible threats. Four areas within the Pine Ridge District were identified as priority areas for the inventory fieldwork. The four tracts included the Soldier Creek Wilderness Area, a tract encompassing the East and West Ash Creek drainages, a middle unit tract, and a tract which straddles U.S. Highway 385 and encompasses a number of timber …
The Prairie Naturalist Volume 24, No.4 December 1992
The Prairie Naturalist Volume 24, No.4 December 1992
The Prairie Naturalist
NEW VASCULAR PLANT RECORDS FOR NORTIl DAKOTA ▪ B. L. Heidel, A. J. Duxbury, W.T. Barker, and J. R. Challey
GROWTH OF BLUEGILLS AND YELLOW PERCH IN SOUTH DAKOTA WATERS ▪ D.w. Willis, J.P. Lott, C.S. Guy, and D.O. Lucchesi
SEASONAL VARIATION IN SAMPLING DATA FOR WALLEYE AND SAUGER COLLECTED WITH GILL NETS FROM LAKE SAKAKAWEA, NORTH DAKOTA ▪ S.W. Mero andD.W. Willis
OBSERVATIONS ON NESTING OF THE AMERICAN BITTERN IN NORTIlWEST MINNESOTA ▪ W D. Svedarsky
FOOD HABITS OF MOURNING DOVES IN EAST CENTRAL SOUTH DAKOTA ▪ J.T. Van't Hul and J.A. Jenks
DISTRIBUTION OF TIlE PYGMY SHREW IN …
Southern Nevada Effluent Wetlands: A Proposed Cooperative Venture Between The Bureau Of Reclamation & City Of Las Vegas, Bureau Of Reclamation
Southern Nevada Effluent Wetlands: A Proposed Cooperative Venture Between The Bureau Of Reclamation & City Of Las Vegas, Bureau Of Reclamation
Publications (WR)
Throughout North America there is a growing interest in constructed wetlands, both as relatively inexpensive, low-maintenance systems for removing nutrients from wastewater, and as a means of using municipal wastewater to enhance wildlife habitat and create public use opportunities. Because wetlands appear to have good potential as a component in the overall management of scarce water resources, the Bureau of Reclamation (Reclamation) has undertaken several cooperative research and demonstration projects to evaluate their effectiveness in a variety of local environments. While a number of projects have demonstrated that wetlands can be beneficially employed to improve water quality, few such projects …
The Prairie Naturalist Volume 24, No.3 September 1992
The Prairie Naturalist Volume 24, No.3 September 1992
The Prairie Naturalist
VESICULAR-ARBUSCULAR MYCORRHIZAE IN BLOWOUT PENSTEMON ▪ T. R. Flessner and J. Stubbendieck
STATUS OF HAPLOPAPPUS FREMONTII A. GRAY SSP. MONOCEPHALUS (A. NELSON) HALL [ASTERACEAE] IN COLORADO ▪ K.A. Schulz and R.B. Shaw
HABITAT CHANGES ABOVE AND BELOW WATER PROJECTS ON THE NORTH PLATTE AND SOUTH PLATTE RIVERS IN NEBRASKA ▪ P. M. McDonald and J.G. Sidle
INSECT FLORAL VISITORS TO FOUR SPECIES OF TALL-GRASS PRAIRIE COMPOSITE (ASTERACEAE: HELIANTHEAE) ▪ J. A. Dickinson and M. J. McKone
SUMMER BIRD USE OF KANSAS WINDBREAKS ▪ T.T. Cable, R.L. Schroeder, V. Brack, Jr., and P.S. Cook
RING-NECKED PHEASANTS AND FOOD PLOT SIZE (GALLIFORMES: …
The Prairie Naturalist Volume 24. No.2 June 1992
The Prairie Naturalist Volume 24. No.2 June 1992
The Prairie Naturalist
FIRST FLOWERING DATES AND FLOWERING PERIODS OF PRAIRIE PLANTS AT WOODWORTH. NORTH DAKOTA ▪ J. M. Callow, J A. Kanlrud, and K.F. Higgins
PROBABLE DISTRIBUTION OF THE WOODCHUCK IN NORTH CENTRAL KANSAS ▪ J.R. Choate and T. W. Haner
NEST AND NEST SITE CHARACTERISTICS OF SOME GROUND-NESTING NON-PASSERINE BIRDS OF NORTHERN GRASSLANDS ▪ H A. Kantrud and K.F. Higgins
CHRISTMAS BIRD COUNTS FOR NORTH DAKOTA ▪ R.N. Randall
COMPARISON OF SIZE STRUCfURE AND CATCH RATE FOR LARGEMOUTH BASS SAMPLES COLLECTED BY ELECTROFlSHING AND ANGLING ▪ DJ. Isaak, T.D. Hill, and D.W. Willis
MULE DEER HABITAT USE IN THE NORTH DAKOTA …
Survey Of Mollusks Of The Platte River: Final Report, Patricia W. Freeman, Keith Perkins
Survey Of Mollusks Of The Platte River: Final Report, Patricia W. Freeman, Keith Perkins
School of Natural Resources: Faculty Publications
A survey of the mollusks of the Platte River was carried out during the summers of 1990 and 1991. With the exception of the Big Bend Reach of the River in Dawson, Buffalo and Hall counties, no unionids (mussels) were found in the main channel of the river. We found 11 species of mussels along the river and 16 species of snails at 49 different sites from east to west across the state. We found the Asiatic clam, a known, non-native, pest species, for the first time in the state placing it several hundred miles west of the present eastern …
The Prairie Naturalist Volume 24, No.1 March 1992
The Prairie Naturalist Volume 24, No.1 March 1992
The Prairie Naturalist
HABITAT CONSERVATION FOR NESTING LEAST TERNS AND PIPING PLOVERS ON THE PLATTE RIVER, NEBRASKA ▪ J. W. Ziewitz, J. G. Sidle, and J. J. Dinan
DIURNAL FLIGHT TIME OF WINTERING CANADA GEESE: CONSIDERATION OF REFUGES AND FLIGHT ENERGETICS ▪ J. E. Austin and D. D. Humburg
MYCOTOXIN OCCURRENCE IN WASTE FIELD CORN AND INGESTA OF WILD GEESE IN THE NORTHERN GREAT PLAINS ▪ K. F. Higgins, R. M. Barta, R. G. Neiger, G. E. Rottinghaus, and R. I. Sterry
NOTES
Cost of Nest Reuse by Western Kingbirds ▪ T. M. Bergin
A New Record for Falcate Spurge in the Midwest …
Floristic Survey Of Remnant Vegetation In The Bindoon To Moora Area, Western Australia, Edward Arnold Griffin
Floristic Survey Of Remnant Vegetation In The Bindoon To Moora Area, Western Australia, Edward Arnold Griffin
Resource management technical reports
No abstract provided.
Wider Spaced Rows For Lupins, Ron Jarvis
Wider Spaced Rows For Lupins, Ron Jarvis
Journal of the Department of Agriculture, Western Australia, Series 4
In this farm scale trial at Wongan Hills, a lined combine was used to seed lupins into rows spaced 380 mm apart in wheat stubble.
Population Status And Characteristics Of Macrhybopsis Gelida, Platygobio Gracilis And Rhinichthys Cataractae In The Missouri River Basin, Selena J. Werdon
Population Status And Characteristics Of Macrhybopsis Gelida, Platygobio Gracilis And Rhinichthys Cataractae In The Missouri River Basin, Selena J. Werdon
Electronic Theses and Dissertations
Few sturgeon chub (Macrhybopsis gelida: Cyprinidae) have been collected in the last decade, therefore their status, habitat selection and morphology were investigated at 172 previous collection sites. Data on two ecologically similar species, Platygobio gracilis and Rhinichthys cataractae, were also collected. Macrhvbopsis gelida were collected at 28 sites on the Powder River (n = 158) in Wyoming and Montana, and at one site on the Yellowstone River (n = 1) in Montana. Age-I, Age-II and Age-III M. gelida were collected. Specimens were 37 to 95 mm in total length. Macrhvbopsis gelida were ripe in mid-June, at water temperatures of 18.3-22. …
The Pros & Cons Of Retaining Stubble, Department Of Agriculture And Food, Western Australia
The Pros & Cons Of Retaining Stubble, Department Of Agriculture And Food, Western Australia
Journal of the Department of Agriculture, Western Australia, Series 4
Few farmers in Western Australia today would question the desirability of retaining crop stubble. The problem usually is how to manage stubble so that it does not interfere with other parts of the farming system
Stubble Retention For Control Of Wind Erosion, Dan Carter, Paul Findlater, Steve Porritt
Stubble Retention For Control Of Wind Erosion, Dan Carter, Paul Findlater, Steve Porritt
Journal of the Department of Agriculture, Western Australia, Series 4
The surest way to control wind erosion in continuous cropping systems is to retain stubble. Over the past ten years, Western Australian research has focused on the amounts of stubble needed to prevent that erosion.
The Prairie Naturalist Volume 23, No. 4. December 1991
The Prairie Naturalist Volume 23, No. 4. December 1991
The Prairie Naturalist
Paul B. Kannowski, Editor
Nikki R. Seabloom, Assistant Editor
Douglas H. Johnson, Book Review Editor
CONTENTS
KENTUCKY BLUEGRASS RESPONSE TO BURNING: INTERACTIONS BETWEEN FIRE AND SOIL MOISTURE ▪ G. W. Blankespoor and B. S. Bich
FORAGE PRODUCTION AND USE ON BIGHORN SHEEP WINTER RANGE
FOLLOWING SPRING BURNING IN GRASSLAND AND PONDEROSA PINE HABITATS ▪ T. G. Easterly and K. J. Jenkins
SHORT-TERM MORTALITY OF SMALLMOUTH BASS CAUGHT DURING A LIVE-RELEASE TOURNAMENT AT LAKE OAHE, SOUTH DAKOTA ▪ J. J. Jackson and D. W. Willis
CRAYFISH IN SAND LAKE NATIONAL WILDLIFE REFUGE ▪ C. D. Dieter
PIPING PLOVERS NEST ON DRY …
The Prairie Naturalist Volume 23, No. 3. September 1991
The Prairie Naturalist Volume 23, No. 3. September 1991
The Prairie Naturalist
Paul B. Kannowski, Editor
Nikki R. Seabloom, Assistant Editor
Douglas H. Johnson, Book Review Editor
CONTENTS
ANTIPREDATOR BEHAVIOR OF MOUNTAIN PLOVER CHICKS ▪ T A. Sordahl
USING AERIAL MARKING FOR ASSESSING POPULATION DYNAMICS OF LATE SUMMER ROOSTING RED-WINGED BLACKBIRDS ▪ C. M. Linz, C. E. Knittle, J. L. Cummings, J. E. Davis, Jr. , D. L. Otis, and D. L. Bergman
DISPERSAL OF THE MEADOW JUMPING MOUSE IN NORTHERN KANSAS ▪ J. R. Choate, D. W. Moore, and J. K. Frey
DIET, HOME RANGE, MOVEMENTS, AND ACTIVITY PERIODS OF SWIFT FOX IN NEBRASKA ▪ T D. Hines and R. M. …
Rangeland Survey In Western Australia - History, Methodology And Applications, H. J. R. Pringle
Rangeland Survey In Western Australia - History, Methodology And Applications, H. J. R. Pringle
Natural resources published reports
The rangelands of Western Australia lie to the north-west of the agricultural areas, extending east to the Nullarbor and north to the Kimberley (Fig. 1). The major areas that are used for pastoralism are most of the Kimberley and the Pilbara, nearly all of the mulga shrublands, plus some of the Goldfields gum belt and part of the Nullarbor Plain.
The Prairie Naturalist Volume 23, No. 2. June 1991
The Prairie Naturalist Volume 23, No. 2. June 1991
The Prairie Naturalist
Paul B. Kannowski, Editor
Nikki R. Sea bloom, Assistant Editor
Douglas H. Johnson, Book Review Editor
CONTENTS
SMALLMOUTH BASS SIZE STRUCTURE AND CATCH RATES IN FIVE SOUTH DAKOTA LAKES AS DETERMINED FROM TWO SAMPLING GEARS ▪ C. L. Milewski and D. W. Willis
REPRODUCTION BY FISHES IN A HEADWATER STREAM FLOWING INTO GRAYROCKS RESERVOIR, WYOMING ▪ W. A. Hubert and D. T O’Shea
ENVENOMATION AND ACQUISITION OF CHEMICAL INFORMATION BY PRAIRIE RATTLESNAKES ▪ D. Chiszar, C. Hobika, H. M. Smith, and J. Vidaurri
MOVEMENTS AND HABITAT USE BY WILD TURKEY HENS WITH BROODS IN A GRASSLAND-WOODLAND MOSAIC IN THE NORTHERN …
Appendix To The Final Report Of The Rfac. Statistical Summary Of Public Responses To Key Issues., Recreational Fishing Advisory Committee Western Australia.
Appendix To The Final Report Of The Rfac. Statistical Summary Of Public Responses To Key Issues., Recreational Fishing Advisory Committee Western Australia.
Fisheries Management Papers
This paper has been published as a separate appendix to the final report of the Recreational Fishing Advisory Committee, and should be read in conjunction with it, and the Committee's discussion paper ("Final report of the Recreational Fishing Advisory Committee - Fisheries Management Paper No. 41 1991). The key issues that were identified in the discussion paper came up under the following headings: 5.1 Environment 5.2 Resource Sharing 5.3 Access for Fishing 5.4 Research 5.5 Management rules 5.6 Enforcement 5.7 Charter fishing 5.8 Funding and licensing 5.9 Community consultation 5.10 Public awareness and community education.
Determining If Self-Guided Demonstration Tours Are An Effective Method To Inform Farmers And Ranchers About Conservation Practices, Larry L. Andelt
Determining If Self-Guided Demonstration Tours Are An Effective Method To Inform Farmers And Ranchers About Conservation Practices, Larry L. Andelt
Department of Agricultural Leadership, Education, and Communication: Dissertations, Theses, and Student Research
The primary purpose of this study was to determine if the "Conservation Neighbor to Neighbor" program was an effective method of delivery to inform farmers and ranchers about conservation practices in Nebraska. A survey instrument was developed with the help of a committee of experts. The instrument asked respondents to rate the degree of agreement, quality and interest in the Conservation Neighbor to Neighbor program and the effectiveness of the delivery method. The population for the study included all the program hosts and a random sampling of all farmers and ranchers in Nebraska. The following conclusions were drawn from the …
Fisheries Research Report No 91 - A Synopsis Of The Biology And The Exploitation Of The Australasian Pilchard, Sardinops Neopilchardus (Steindachner) Part Ii: History Of Stock Assessment And Exploitation, W. J. Fletcher
Fisheries Research Reports
This report summarises the studies which have provided information on the population characteristics and exploitation of the pilchard, Sardinops neopilchardus in Australia and New Zealand. This review was undertaken to determine whether existing data could be used to assess the status of Western Australian or other stocks or, alternatively, what additional information was required.
The mean size of pilchards caught varies among locations but, in general, fish are between 140 and 160 mm LCF, corresponding to ages 2 - 5 years. The length-weight relationship also varies between locations
Attempts to initiate pilchard fisheries have been hampered by the lack of …
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. …
Variable Quality Of Saltbush Seed Influences Establishment, Stephen Vlahos, Donald Nicholas, Clive Malcolm
Variable Quality Of Saltbush Seed Influences Establishment, Stephen Vlahos, Donald Nicholas, Clive Malcolm
Journal of the Department of Agriculture, Western Australia, Series 4
Farmers are using niche seeders to direct-seed saltbushes (Atriplex spp.) cheaply on large areas of salt affected land. While many factors influence successful establishment of these shrubs, fanners can control the quality of the seed they use. Too often, the lack of knowledge of saltbush seed quality has resulted in extremely poor establishment. The importance of seed quality is well recognized in the establishment of grain crops and pastures, but it is often overlooked when farmers buy or select seed of saltbush. If farmers know the quality of the seed they buy, they can make appropriate adjustments to the sowing …
Remnant Vegetation On Farms Is A Valuable Resource, Richard Hobbs, Ken Wallace
Remnant Vegetation On Farms Is A Valuable Resource, Richard Hobbs, Ken Wallace
Journal of the Department of Agriculture, Western Australia, Series 4
Retention of native vegetation on farms is important both from an ecological and an economic point of view. Productivity in the paddocks ultimately will depend on the retention and replacement of trees and shrubs in the landscape. Remnants of native vegetation can play their part by helping to ensure the long-term viability of the agricultural system, as well as greatly enhancing the quality of life for those living on the land.
Reclaiming Sandplain Seeps Planting Trees, Richard George
Reclaiming Sandplain Seeps Planting Trees, Richard George
Journal of the Department of Agriculture, Western Australia, Series 4
Sandplain seeps affect large areas of agricultural land in Western Australia's eastern and northern wheatbelt and in the Great Southern. These seeps are estimated to account for about 10 per cent of dryland salinity in the agricultural area. Research and field observations show that seeps may be cheaply and quickly reclaimed using various types of drains or small blocks of trees (George 1990). This article discusses results of reclamation methods associated with tree planting on sandplain seeps in the eastern wheatbelt.