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Articles 1 - 24 of 24
Full-Text Articles in Physical Sciences and Mathematics
The Prairie Naturalist Volume 34, No. 3/4 September/December 2002
The Prairie Naturalist Volume 34, No. 3/4 September/December 2002
The Prairie Naturalist
SEASONAL FOOD HABITS OF COYOTES IN NORTHEASTERN KANSAS ▪ J. F. Kamler, P. S. Gipson, and C. C. Perchellet
SELECTION OF NESTING HABITAT BY SHARP-TAILED GROUSE IN THE NEBRASKA SANDHILLS ▪ B. L. Prose, B. S. Cade, and D. Hein
PATTERNS OF REPRODUCTION FOR WESTERN HARVEST MICE IN NORTH-CENTRAL KANSAS ▪ J. R. Goheen, G. A. Kaufman, and D. W. Kaufman
THE IMPACT OF RECREATIONAL TRAILS AND GRAZING ON SMALL MAMMALS IN THE COLORADO PIEDMONT ▪ C. A. Meaney, A. K. Ruggles, N. W. Clippinger, and B. C. Lubow
CHRISTMAS BIRD COUNTS FOR NORTH DAKOTA 2001 ▪ R. N. Randall …
Soils Of Mississippi County, Arkansas, J. M. Mckimmey, B. Dixon, H. D. Scott, C. M. Scarlat
Soils Of Mississippi County, Arkansas, J. M. Mckimmey, B. Dixon, H. D. Scott, C. M. Scarlat
Research Reports and Research Bulletins
Along with air and water, soil contributes essential processes to the natural order of global cycles. With the exception of edibles from the sea, virtually everything we, and most other land-based animals, eat is derived from soil. Soil is a storage medium of essential minerals and nutrients for fulfilling our agricultural and nutritional needs. Humans work the soil to provide the basics of food, clothing, and shelter. We also use the soil as a medium to store and discard our waste. Virtually everything we do is in some way connected to soil
Understory Species Patterns And Diversity In Old-Growth And Managed Northern Hardwood Forests, Robert M. Scheller, David J. Mladenoff
Understory Species Patterns And Diversity In Old-Growth And Managed Northern Hardwood Forests, Robert M. Scheller, David J. Mladenoff
Environmental Science and Management Faculty Publications and Presentations
Forest management can significantly affect both the diversity and spatial patterning of understory vegetation. However, few studies have considered both diversity and spatial patterning at a stand scale. Our objective was to evaluate the effects of forest management on understory plant communities in northern hardwood forests and assess the processes governing differences in species composition, diversity, and spatial patterns. We sampled understory vegetation (all speciestall) and percentage of light transmission levels in three forest types in 12 mesic northern hardwood stands in northern Wisconsin and the Upper Peninsula of Michigan, USA: old-growth, undisturbed forests; even-aged forests resulting from clearcut logging …
Sustainability Issues For Agriculture In Western Australia, Anne Bennett, Ross Kingwell, Ross George
Sustainability Issues For Agriculture In Western Australia, Anne Bennett, Ross Kingwell, Ross George
All other publications
Agriculture has been and will continue to be a major component of economic activity in several regions in Western Australia, and agricultural communities will remain an important part of the social fabric and landscape of the State. Promoting the sustainability of agriculture is likely to produce three main outcomes: vibrant rural communities; profitable agricultural systems; and conservation of the natural environment. This paper describes briefly the main challenges to the sustainability of agriculture and outlines some means of responding to the challenges: market-based approaches; agricultural and environmental research and development; accelerated adjustment; and global and national policy initiatives.
Pmr6, A Pectate Lyase–Like Gene Required For Powdery Mildew Susceptibility In Arabidopsis, John P. Vogel, Ted K. Raab, Celine Schiff, Shauna C. Somerville
Pmr6, A Pectate Lyase–Like Gene Required For Powdery Mildew Susceptibility In Arabidopsis, John P. Vogel, Ted K. Raab, Celine Schiff, Shauna C. Somerville
Ted K. Raab
The plant genes required for the growth and reproduction of plant pathogens are largely unknown. In an effort to identify these genes, we isolated Arabidopsis mutants that do not support the normal growth of the powdery mildew pathogen Erysiphe cichoracearum. Here, we report on the cloning and characterization of one of these genes, PMR6. PMR6 encodes a pectate lyase-like protein with a novel C-terminal domain. Consistent with its predicted gene function, mutations in PMR6 alter the composition of the plant cell wall, as shown by Fourier transform infrared spectroscopy. pmr6-mediated resistance requires neither salicylic acid nor the ability to perceive …
The Prairie Naturalist Volume 34, No. 1/2 March/June 2002
The Prairie Naturalist Volume 34, No. 1/2 March/June 2002
The Prairie Naturalist
LOCALIZED MOVEMENTS AND SITE FIDELITY OF WHITETAILED DEER IN THE NORTHERN GREAT PLAINS ▪ B. J. Kernohan, J. A. Jenks, and D. E. Naugle
SPAWNING-SEASON HOMING OF COMMON CARP AND RIVER CARPSUCKER ▪ J. L. Bonneau and D. L. Scamecchia
HOME RANGES OF RING-NECKED PHEASANTS IN NORTHWESTERN KANSAS ▪ R. D. Applegate, B. E. Flock, P. S. Gipson, M. W. McCoy, and K. E. Kemp
RESPONSES OF BIGHORN SHEEP TO DISTURBANCE IN LOW-ELEVATION GRASSLANDS ▪ R. W. Sayre, R. W. Seabloom, and W. F. Jensen
DISTRIBUTION OF CHANNEL CATFISH LIFE STAGES IN A PRAIRIE RIVER BASIN ▪ . J. C. …
Communicator-In-Chief: Presidential Use Of Television Past, Present, And Future, Jenna Wasson
Communicator-In-Chief: Presidential Use Of Television Past, Present, And Future, Jenna Wasson
Honors Theses
This thesis seeks to determine how television has changed as a communication medium for presidents over the past half century. An evaluation of the evolving ways presidents use television to communicate with and to build support from the American people has been conducted. Presidential communication strategies have been identified by drawing primarily from primary sources written by presidents and White House staff. Television technology and the television audience have changed over the years. Presidents have taken a more pro-active, aggressive role in their efforts to harness television for their own purposes. Why have these changes occurred? What impact have these …
Guidelines For Management Of Farmland Adjacent To The Busselton Wetlands, William Oldfield, Department Of Conservation And Land Management, Department Of Planning And Infrastructure
Guidelines For Management Of Farmland Adjacent To The Busselton Wetlands, William Oldfield, Department Of Conservation And Land Management, Department Of Planning And Infrastructure
Bulletins 4000 -
The Busselton Wetlands are a chain of wetlands that lie parallel with the coastline of Geographe Bay, Western Australia and in close proximity to the town of Busselton. The main issues for the maintenance of quality of the wetlands are nutrient levels and habitat value. This guide outlines many of the current best practices related to farming around wetlands.
Package Options For Alfalfa, Michael Collins
Package Options For Alfalfa, Michael Collins
Kentucky Alfalfa and Stored Forage Conference
Most of the hay crop in Kentucky is harvested as dry hay and stored in round bales of various sizes for feeding on the farm. Most of the round-baled hay in Kentucky is used on-farm in feeding beef and dairy cattle. When alfalfa hay in round bales is left outside without protection from the weather, large losses in DM yield and in forage quality usually result. We routinely measure DM losses in the range of 20- 35% for a normal length hay storage season. Our research has shown that several economical storage options exist for protecting this hay from weathering. …
Marketing Kentucky Hay, Billy Ray Smith
Marketing Kentucky Hay, Billy Ray Smith
Kentucky Alfalfa and Stored Forage Conference
The production of hay and pasture crops is essential to a profitable future for Kentucky agriculture. The Commonwealth ranked seventh in the nation in hay production in the year 2000 with 6.2 million tons. These forages provide the bulk of the feed supply for our livestock industry. In addition, a significant portion of our hay crop is marketed, both to in-state and out-of-state buyers.
Innovative Loading And Stacking Systems For Custom Hay Sales, Tom Keene
Innovative Loading And Stacking Systems For Custom Hay Sales, Tom Keene
Kentucky Alfalfa and Stored Forage Conference
As the face of agriculture continues to change, so does the hay industry. What was standard operating procedure twenty years ago is now no longer economically feasible in the cash hay industry. This is especially true in the loading and stacking end of the business.
The business has changed because new technology along with the dramatic decrease in the availability of "hand labor" has helped to drive the need for new loading and stacking systems for the hay industry. These two phenomenon will continue to drive us toward total mechanization in the hay industry in fact many hay producers are …
Designing A Grazing System For Alfalfa, Ken Johnson
Designing A Grazing System For Alfalfa, Ken Johnson
Kentucky Alfalfa and Stored Forage Conference
As we think about grazing alfalfa, we should decide why we are considering alfalfa and where it fits. I want to address some of these issues from my prospective as a grazer with several years experience and as an agriculture employee working with many grazers over the years. Alfalfa is the most productive, high quality grazing forage we can grow in Kentucky; we need to be using it more.
Grazing Alfalfa At The Western Kentucky University Farm, Byron Sleugh, Raquel Stiles, David K. Stiles, Amanda Canty, Curtis Mitchell
Grazing Alfalfa At The Western Kentucky University Farm, Byron Sleugh, Raquel Stiles, David K. Stiles, Amanda Canty, Curtis Mitchell
Kentucky Alfalfa and Stored Forage Conference
Alfalfa has been around for centuries. In all this time, it was used in many different ways to provide high quality forage to livestock. In fact, in the area where alfalfa originated, the word actually means "horse power". We have come a long way since then and alfalfa is used for a wide range of animals, from rabbits to rhinos.
In order to maximize the efficiency of utilization of alfalfa, it has become necessary to graze it. Grazing is preferred over harvesting and storage for several reasons: less equipment and thus lower cost, less harvest loss, and greater quality forage …
Managing Alfalfa For Yield-Quality-Persistence, Garry D. Lacefield
Managing Alfalfa For Yield-Quality-Persistence, Garry D. Lacefield
Kentucky Alfalfa and Stored Forage Conference
Alfalfa is a premier forage legume that has played an important role in Kentucky's forage-livestock program for many years. It's role at present is increasing and it's most significant role is yet to come.
Advances In Alfalfa Breeding — What Will The Alfalfa Variety Of The Future Smell, Taste, Look And Act Like?, Jimmy C. Henning
Advances In Alfalfa Breeding — What Will The Alfalfa Variety Of The Future Smell, Taste, Look And Act Like?, Jimmy C. Henning
Kentucky Alfalfa and Stored Forage Conference
Alfalfa is the highest quality, highest yielding and arguably the highest value forage crop in Kentucky and in the US. It is useful as hay, haylage or pasture for a variety of species of livestock. It is well adapted to Kentucky and is an important part of the forage/livestock system.
Alfalfa breeders are actively working to develop varieties that will meet and exceed farmer expectations for yield and persistence. In addition, other traits are sought after to make the variety meet a special need or to have better marketability or attraction to the customer.
So what will the alfalfa of …
Foreword [2002], Garry D. Lacefield
Foreword [2002], Garry D. Lacefield
Kentucky Alfalfa and Stored Forage Conference
This is the front matter of the proceedings.
Crop Updates 2002 - Farming Systems, Peter Metcalf, Mike Ewing, Roy Latta, Keith Devenish, Diana Fedorenko, Clayton Butterly, Chantelle Butterly, Kim Diamond, Neil Diamond, Stuart Mcalpine, Bill Bowden, Jessica Johns, Terry Piper, David Bowran, Robert Beard, Phil Ward, Dominie Wright, Nichole Burges, Roger Jones, Danae Harman, Greg Shea, George Yan, David Tennant, David Hall, Anyou Liu, Clinton Revell, Candy Hudson, Andrew Blake, Natalie Lauritsen, John Fosu-Nyarko, Roger Jones, Lisa Smith, Mike Jones, Geoff Dwyer, Bill Bowden, Michael O'Connell, Chris Gazey, David Gartner, Amanda Miller, Richard W. Bell, K. Frost, Mike Wong, Ross Brennan, N. J. Blake, G. Mconnell, D. Patabendige, N. Venn, Derk Bakker, Greg Hamilton, Dave Houlbrooke, Cliff Spann, Paul Blackwell, Bindi Webb, G. Lyle, K. Wittwer, Perry Dolling, Senthold Asseng, Ian Fillery, Michael Robertson, Caroline Peek, David Rogers, Peter Portman, Jeff Russell, Greg Shea, Ben Henderson, Ross Kingwell, Tresslyn Walmsley, Jean Galloway, Debbie Thackray, Moin Salam, Art Diggle, William J. Macleod, Jenny Hawkes
Crop Updates 2002 - Farming Systems, Peter Metcalf, Mike Ewing, Roy Latta, Keith Devenish, Diana Fedorenko, Clayton Butterly, Chantelle Butterly, Kim Diamond, Neil Diamond, Stuart Mcalpine, Bill Bowden, Jessica Johns, Terry Piper, David Bowran, Robert Beard, Phil Ward, Dominie Wright, Nichole Burges, Roger Jones, Danae Harman, Greg Shea, George Yan, David Tennant, David Hall, Anyou Liu, Clinton Revell, Candy Hudson, Andrew Blake, Natalie Lauritsen, John Fosu-Nyarko, Roger Jones, Lisa Smith, Mike Jones, Geoff Dwyer, Bill Bowden, Michael O'Connell, Chris Gazey, David Gartner, Amanda Miller, Richard W. Bell, K. Frost, Mike Wong, Ross Brennan, N. J. Blake, G. Mconnell, D. Patabendige, N. Venn, Derk Bakker, Greg Hamilton, Dave Houlbrooke, Cliff Spann, Paul Blackwell, Bindi Webb, G. Lyle, K. Wittwer, Perry Dolling, Senthold Asseng, Ian Fillery, Michael Robertson, Caroline Peek, David Rogers, Peter Portman, Jeff Russell, Greg Shea, Ben Henderson, Ross Kingwell, Tresslyn Walmsley, Jean Galloway, Debbie Thackray, Moin Salam, Art Diggle, William J. Macleod, Jenny Hawkes
Crop Updates
This session covers forty one papers from different authors:
INTRODUCTION
1. Future Farming Systems session for Crop Updates 2002 Peter Metcalf, FARMING SYSTEMS SUBPROGRAM MANAGER GRAINS PROGRAM Department of Agriculture
2. Perennial pastures in annual cropping systems: Lucerne and beyond, the ‘Big Picture’, Mike Ewing, Deputy CEO CRC for Plant-based Management of Dryland Salinity, Department of Agriculture
3. Perennial pastures in annual cropping systems: lucerne and beyond, Roy Latta and Keith Devenish, Department of Agriculture
4. Establishing Lucerne with a cover crop, Diana Fedorenko1, Clayton Butterly1, Chantelle Butterly1, Kim and Neil Diamond2 …
Crop Updates 2002 - Cereals, Peter Burgess, Gary Fawell, Dean Diepeveen, Tim Setter, Jeff Russell, Tony Seymour, Robin Wilson, Iain Barclay, Robyn Mclean, Robert Loughman, Jenny Garlinge, Bill Lambe, Neil Venn, Peter Clarke, Mohammad Amjad, Wal Anderson, Raffael Del Cima, James Bee, Darshen Sharma, Sheena Lyon, Melaine Kupsch, Pam Burges, Veronika Reck, Brenda Shackley, Ray Tugwell, Bindi Webb, Steve Penny Jr, James Fisher, Bill Bowden, Craig Scanlan, Senthold Asseng, Michael Robertson, M. A. Hamza, G. Mcconnell, W. K. Anderson, Md Shahajahan Miyan, Darshan Sharma, Daya Patabendige, Patrick Gethin, Stephen Loss, Tim O'Dea, Ryan Guthrie, Lisa Leaver, Tyrone Henning, Lionel Martin, Narelle Hill, Simon Wallwork, Laurence Carslake, Darren Hughes, Glen Mcdonald, Nichole Burges, Dominie Wright, Jenny Hawkes, Roger Jones, Kith Jayasena, Kazue Tanaka, Vanessa Johnson, Robert Loughman, Josh Jury, Sean Kelly, Shashi Sharma, Robert Park, Phil Michael, Debbie Thackray, Christopher Newman, Garren Knell, Kevin Povey, David Stephens
Crop Updates 2002 - Cereals, Peter Burgess, Gary Fawell, Dean Diepeveen, Tim Setter, Jeff Russell, Tony Seymour, Robin Wilson, Iain Barclay, Robyn Mclean, Robert Loughman, Jenny Garlinge, Bill Lambe, Neil Venn, Peter Clarke, Mohammad Amjad, Wal Anderson, Raffael Del Cima, James Bee, Darshen Sharma, Sheena Lyon, Melaine Kupsch, Pam Burges, Veronika Reck, Brenda Shackley, Ray Tugwell, Bindi Webb, Steve Penny Jr, James Fisher, Bill Bowden, Craig Scanlan, Senthold Asseng, Michael Robertson, M. A. Hamza, G. Mcconnell, W. K. Anderson, Md Shahajahan Miyan, Darshan Sharma, Daya Patabendige, Patrick Gethin, Stephen Loss, Tim O'Dea, Ryan Guthrie, Lisa Leaver, Tyrone Henning, Lionel Martin, Narelle Hill, Simon Wallwork, Laurence Carslake, Darren Hughes, Glen Mcdonald, Nichole Burges, Dominie Wright, Jenny Hawkes, Roger Jones, Kith Jayasena, Kazue Tanaka, Vanessa Johnson, Robert Loughman, Josh Jury, Sean Kelly, Shashi Sharma, Robert Park, Phil Michael, Debbie Thackray, Christopher Newman, Garren Knell, Kevin Povey, David Stephens
Crop Updates
This session covers thirty one papers from different authors:
VARIETIES AND BREEDING
1. Agronomic evaluation of wheat and barley in the central wheatbelt of Western Australia, Peter Burgess1and Gary Fawell2, 1Agritech and 2Farmanco Management
2. Evaluating stress tolerance to terminal drought by Western Australian wheats, Dean Diepeveen and Dr Tim Setter, Department of Agriculture
3. Broadscale wheat variety comparisons featuring Wyalkatchem, Jeff Russell, Department of Agriculture
4. Australian crop accreditation system variety selector, Tony Seymour, Australian Crop Accreditation System
5. Future wheat varieties, Robin Wilson, Iain Barclay,Robyn McLean, Robert Loughman, …
Organic Wheat : A Production Guide, Steven Mccoy
Organic Wheat : A Production Guide, Steven Mccoy
Bulletins 4000 -
Many people believe that organic agriculture systems can only work in high rainfall regions. However, some of Australia’s most successful organic farmers are the experienced organic wheatbelt growers who produce cereal, pulse and oilseed crops in different regions and soil types across the country.
Wheat is the major organic cereal crop grown in Australia - predominantly noodle and breadmaking wheats for export markets.
Farming systems developed by modern organic wheat growers can differ significantly in concept, strategies and techniques from those used by conventional growers. Successful conversion to organic requires careful planning and integration of the whole farming system over …
Stomatal Responses Of Douglas-Fir Seedlings To Elevated Carbon Dioxide And Temperature During The Third And Fourth Years Of Exposure, James D. Lewis, Melissa S. Lucash, David M. Olszyk, David T. Tingey
Stomatal Responses Of Douglas-Fir Seedlings To Elevated Carbon Dioxide And Temperature During The Third And Fourth Years Of Exposure, James D. Lewis, Melissa S. Lucash, David M. Olszyk, David T. Tingey
Environmental Science and Management Faculty Publications and Presentations
Two major components of climate change, increasing atmospheric [CO2] and increasing temperature, may substantially alter the effects of water availability to plants through effects on the rate of water loss from leaves. We examined the interactive effects of elevated [CO2] and temperature on seasonal patterns of stomatal conductance (gs), transpiration (E) and instantaneous transpiration efficiency (ITE) in Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) seedlings. Seedlings were grown in sunlit chambers at either ambient CO2 (AC) or ambient + 180 µmol mol-1 CO2 (EC), and at ambient temperature (AT) or ambient + 3.5° …
The Fringing Halophytic Vegetation Of Lake Austin: A Study Of Mining Impacts And Vegetation Dynamics, Simone Vellekoop
The Fringing Halophytic Vegetation Of Lake Austin: A Study Of Mining Impacts And Vegetation Dynamics, Simone Vellekoop
Theses : Honours
Mining operations in arid regions of Western Australia are faced with many environmental management issues. One such issue is the disposal of mine water to the environment. Mine water is commonly discharged to nearby salt lakes under licence by the Department of Environmental Protection. Licence conditions dictate that the discharge water and the receiving environment be monitored to allow impacts on the environment to be detected. Salt lakes are associated with vegetation communities dominated by halophytic members of the Chenopodiaceae, While these plants are tolerant of salinity extremes, the germination stage of many species requires periods of lowered salinity. There …
Fertigation Of Vegetables In Western Australia, J Burt
Fertigation Of Vegetables In Western Australia, J Burt
Bulletins 4000 -
Fertigation is the technique of using soluble fertilisers to supply essential nutrients to vegetables through sprinkler or trickle irrigation systems, or by means of a boom spray. It is ideally suited to most horticultural areas in Western Australia, especially the sandy soils of the Swan Coastal Plain that have a poor capacity to retain nutrients.
Before and after planting, nutrients are often applied to vegetables on soils of the Swan Coastal Plain by applications of poultry manure* or solid fertilisers. After planting, fertigation is a safe and effective method of applying top-dressings of nutrients to crops, especially after the rows …
Spatial And Temporal Patterns Of Eastern White Pine Regeneration In The Northwestern Ohio Oak Stand, Scott R. Abella, Neil W. Macdonald
Spatial And Temporal Patterns Of Eastern White Pine Regeneration In The Northwestern Ohio Oak Stand, Scott R. Abella, Neil W. Macdonald
Public Policy and Leadership Faculty Publications
Eastern white pine (Pinus strobus L.) was often associated with oaks (Quercus spp.) on upland sites in presettlement forests of the upper Great Lakes region, but widespread logging and subsequent fires in the late 1800s converted these upland sites to fire-tolerant oak forests. Although white pine regeneration is occurring in these second-growth oak forests, white pine regeneration patterns in oak forests of the Great Lakes region are not well documented. We examined white pine regeneration in the southern Great Lakes region in an oak stand within the Oak Openings region of northwestern Ohio, where white pine plantations established in the …
Invasion Of Indigenous Vegetation In South-Western Australia By Leptospermum Laevigatum (Gaertn.) F. Muell. (Myrtaceae), Anya Lam
Theses : Honours
The current paradigm of biodiversity conservation requires the assessment of alien plant invaders, and their potential negative impacts on indigenous species and communities. Leptospermum laevigatum (Gaertn.) F. Muell. (Victorian tea tree/ Coast tea tree) is indigenous to eastern Australia. It has invaded ecosystems within its natural biogeographic range, within new ranges in Australia and overseas. The species is listed as a high priority weed in the Environmental Weed Strategy for Western Australia. However, the basis for its listing has been casual observation rather than focussed research. This study of L. laevigatum is unique in being the first to …