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Electrocution Of An Adult White-Tailed Deer, Christopher S. Deperno, Benjamin J. Bigalke, Jonathan A. Jenks, Brian S. Haroldson, Robert G. Osborn Mar 2005

Electrocution Of An Adult White-Tailed Deer, Christopher S. Deperno, Benjamin J. Bigalke, Jonathan A. Jenks, Brian S. Haroldson, Robert G. Osborn

The Prairie Naturalist

On 16 May 2002, an adult female white-tailed deer (Odocoileus virginianus) died after becoming entangled in an electric fence in southeast Minnesota. The deer (#393) was captured 30 January 2000 as part of a cooperative, long-term deer mortality study being conducted in southern Minnesota (Bigalke et al. 2002, Brinkman 2003, Brinkman et al. 2002). Although fence entanglements occur, they do not account for significant losses in white-tailed deer populations (Matschke et al. 1984). Nixon et al. (1991) documented mortality of two fawns with broken cervical vertebrae that had collided with fences, but did not distinguish the type of …


Records Of The Eastern Red Bat On The Northern Front Range Of Colorado, Daniel J. Neubaum Mar 2005

Records Of The Eastern Red Bat On The Northern Front Range Of Colorado, Daniel J. Neubaum

The Prairie Naturalist

Although common in deciduous forest throughout the Midwest and east-central states, the eastern red bat (Lasiurus borealis) is rare in Colorado (Armstrong et al. 1994, Fitzgerald et al. 1994). However, this species has the potential to extend its range because belts of eastern deciduous forest habitat have expanded across western prairies and reached the Front Range of Colorado over the last 100 years (Knopf 1986). The eastern red bat ranges from Canada southward across the United States to northeastern New Mexico with most records occurring east of the Continental Divide (Hall 1981, Shump and Shump 1982, Cryan 2003). …


The Sooner State Bird Atlas: Review Of Oklahoma Breeding Bird Atlas, Dan L. Reinking, Editor, Timothy J. O'Connell Mar 2005

The Sooner State Bird Atlas: Review Of Oklahoma Breeding Bird Atlas, Dan L. Reinking, Editor, Timothy J. O'Connell

The Prairie Naturalist

In Oklahoma, forest meets prairie, prairie meets mesa, and throughout, our native ecosystems are shaped by human land use. Across this shifting mosaic of habitats, animals find food, raise young, and disperse to find other members of their species. Management for these species is best informed when it springs from a common baseline of knowledge about distributions across the entire management area. For birds, that baseline can be effectively established with a breeding bird atlas. ... In sum, the Oklahoma Breeding Bird Atlas presents timely information on a fascinating statewide avifauna in a clear and attractive package. The text is …


Photo Highlights Of The 25th Kentucky Alfalfa Conference, Kentucky Alfalfa Conference Feb 2005

Photo Highlights Of The 25th Kentucky Alfalfa Conference, Kentucky Alfalfa Conference

Kentucky Alfalfa and Stored Forage Conference

No abstract provided.


Photos Of The 25th Kentucky Alfalfa Conference Award Winners, Kentucky Alfalfa Conference Feb 2005

Photos Of The 25th Kentucky Alfalfa Conference Award Winners, Kentucky Alfalfa Conference

Kentucky Alfalfa and Stored Forage Conference

No abstract provided.


Alfalfa: The Queen Of Forage Crops, It Don't Get Any Better, Warren C. Thompson Feb 2005

Alfalfa: The Queen Of Forage Crops, It Don't Get Any Better, Warren C. Thompson

Kentucky Alfalfa and Stored Forage Conference

For anyone who has grown or used alfalfa, there is no question but that alfalfa is the best forage crop they have dealt with. Perhaps that is one reason that we in professional agriculture have given so much special interest to the crop and why it is held in such high esteem and the position it demands in research and refinement investments over the years at the private and public sectors.


Alfalfa: Crop For The Future, N. P. Martin, R. D. Hatfield, D. R. Mertens, P. J. Weimer Feb 2005

Alfalfa: Crop For The Future, N. P. Martin, R. D. Hatfield, D. R. Mertens, P. J. Weimer

Kentucky Alfalfa and Stored Forage Conference

Alfalfa use by dairy cattle has decreased in recent years because of excessive nonprotein nitrogen and low fiber digestibility. Ideal attributes for plant modification of alfalfa may include those that increase milk potential per acre and/or per ton, enhance digestible NDF, improve protein content and amino acid balance, improve agronomic traits for insect protection (safer forage supply), herbicide tolerance, virus resistance, drought tolerance, cold tolerance, improved mineral availability and enhanced yield. Progress in attaining these attributes will accelerate with the use of biotechnology. Livestock and hay enterprises will benefit from alfalfa that is less prone to contain mycotoxins or toxic …


History Of Roundup Ready Alfalfa, Mark Mccaslin Feb 2005

History Of Roundup Ready Alfalfa, Mark Mccaslin

Kentucky Alfalfa and Stored Forage Conference

In late 1997 Forage Genetics International (FGI) and Monsanto began a joint project to develop Roundup Ready alfalfa. FGI collaborated with Montana State University to produce the first transgenic Roundup Ready alfalfa plants. The same CP4 glyphosate tolerance gene that has been effectively used in developing multiple other Roundup Ready crops, was successfully inserted into an elite FGI alfalfa plant in early 1998.


Alfalfa In Our Dairy Operation, Lee Robey Feb 2005

Alfalfa In Our Dairy Operation, Lee Robey

Kentucky Alfalfa and Stored Forage Conference

Welcome to Robey Farms. Our farm has been in our family for six generations. The farm was founded by my great grandfather, Herbert Robey, in 1899. Four generations live and are actively involved in the farm operation today. My mom and dad, Jane and D.L., my wife Denise and I, our oldest son Chris and his wife Jessica and three grandchildren, Jessalyn, Ethan, and Whitley, our middle son Adam and his wife Amanda, our youngest son Eli, who is a Sophomore at U.K. majoring in Ag. Economics, and my older brother Carr.


Growing Alfalfa For Wildlife, Don Ball Feb 2005

Growing Alfalfa For Wildlife, Don Ball

Kentucky Alfalfa and Stored Forage Conference

Alfalfa has long been recognized as a superb forage crop, which is why it is widely grown for dairy cattle, horses, sheep, and many other types of domesticated forage-consuming animals. Reasons for its popularity include wide adaptation, excellent nutritive value, good yield potential, perennial growth habit, a long growing season, and the fact that (in association with Rhizobium bacteria) it is a nitrogen-fixing legume that does not require periodic applications of nitrogen fertilizer.


Progress Towards Sclerotinia--Resistant Varieties, Paul C. Vincelli Feb 2005

Progress Towards Sclerotinia--Resistant Varieties, Paul C. Vincelli

Kentucky Alfalfa and Stored Forage Conference

Sclerotinia crown and stem rot (SCSR), caused by the fungus Sclerotinia trifoliorum, is one of the most important factors limiting the success of late-summer alfalfa seedings in the region. Infections of S. trifoliorum that progress into the crown of a fall-sown alfalfa plant can kill it during winter or spring green up. Stand losses by the following spring may be insignificant (1-3%) or nearly total, with 95-99% of the stand being dead (and often even rotted away and gone by spring green-up).


Alfalfa Hay For Horses (And Horse Owners!), Laurie Lawrence, Bryan Cassill Feb 2005

Alfalfa Hay For Horses (And Horse Owners!), Laurie Lawrence, Bryan Cassill

Kentucky Alfalfa and Stored Forage Conference

Alfalfa is one of the most common hays fed to horses in Kentucky. Other hays that are often used include timothy and orchardgrass. As a legume, alfalfa has many nutritional advantages over timothy or orchardgrass. Alfalfa hay contains more protein and calcium than grass hays and thus is an excellent source of these nutrients for broodmares and growing horses. Another legume that may be useful as a hay for horses is red clover. Nutritionally, red clover has many of the same advantages as alfalfa. However, red clover has some non-nutritional characteristics which have traditionally limited its popularity with horse owners. …


Advances In Alfalfa Seed Coating, Bill Talley Feb 2005

Advances In Alfalfa Seed Coating, Bill Talley

Kentucky Alfalfa and Stored Forage Conference

Seed coating for alfalfa has been available since the mid to late 70’s. Over the last 30 years, advances in the industry have made it the choice of many producers. The purpose of the coatings at that time was mainly to add weight to increase the ballistic properties and to be a carrier for the rhizobia. Through research and new technology, coatings have evolved and shown great agronomic benefits. Seed coating can provide an opportunity to supply effective quantities of needed materials to each seed, which can influence both the physical property, and the microenvironment of the seed. Coatings can …


Impact Of Alfalfa In Lincoln County, Dan Grigson Feb 2005

Impact Of Alfalfa In Lincoln County, Dan Grigson

Kentucky Alfalfa and Stored Forage Conference

Lincoln County is located 45 miles south of Lexington, Kentucky. It is part of 3 geographical regions of the state-the outer Bluegrass, the Knobs, and the Eastern Pennyroyal area. Thus the land ranges from moderate sloping fields that can be row cropped to fields that are nearly too steep to mow. The majority of the land is best suited for hay and pasture production. The soil fertility is moderately high with limestone, sandstone, shale and siltstone parent material. The land is very well suited to growing very productive forage crops.


Teaching Stand Management Using Virtual Alfalfa Plants, S. Ray Smith, Lars Muendermann, Av Singh Feb 2005

Teaching Stand Management Using Virtual Alfalfa Plants, S. Ray Smith, Lars Muendermann, Av Singh

Kentucky Alfalfa and Stored Forage Conference

A ‘virtual’ alfalfa plant model was developed at the University of Manitoba in Canada as part of a comprehensive grazing research project. This model shows an alfalfa plant ‘growing’ on a computer screen and the plant’s response to grazing (similar to time-lapse photography). The original model was designed and constructed by Av Singh to show the research potential of visually modeling alfalfa plant growth. The ability to visually ‘grow’ a plant on a computer screen also provides an excellent teaching and extension tool.


Kentucky Alfalfa Conference 25th Anniversary, Garry D. Lacefield Feb 2005

Kentucky Alfalfa Conference 25th Anniversary, Garry D. Lacefield

Kentucky Alfalfa and Stored Forage Conference

Today marks the 25th consecutive year we have come together for a full day’s conference featuring "Alfalfa - Queen of the Forages" as the theme and focal point. Only one other state in the U.S. has such an annual event.


Foreword And Recipients Of Kentucky Alfalfa Awards [2005], Garry D. Lacefield, Christi L. Forsythe Feb 2005

Foreword And Recipients Of Kentucky Alfalfa Awards [2005], Garry D. Lacefield, Christi L. Forsythe

Kentucky Alfalfa and Stored Forage Conference

No abstract provided.


Crop Updates 2005 - Lupins And Pulses, Peter White, Martin Harries, Ian Pritchard, Rodger Beermier, Mark Seymor, David Syme, Bevan Buirchell, Kedar Adhikari, Mark Sweetingham, Geoff Thomas, Jon Clements, Shao Fang Wang, Ping Si, David Bowran, Huaan Yang, Mike Baker, Wayne Parker, Bob French, Damien Owen D'Arcy, Bill Bowden, Craig Scanlan, Jeff Russell, Angie Roe, Greg Shea, Chris Matthews, Shahab Pathan, Abul Hashem, Sofia Sipsas, John Quealy, Roger Jones, Clive Francis, Colin Smith, Gordon Francis, Tanveer Khan, Kerry Regan, Jenny Garlinge, Rod Hunter, Greg Mussell, Glen Riethmuller, Moin Salam, Jean Galloway, Larn Mcmurray, Kambot Siddique, Dirranie Kirby, Murray Blyth, Fucheng Shan, Heather Clarke, Madeleine Wouterlood, Hans Lambers, Erik Veneklaas, Peter Smith, Gae Plunkett, Tim Pope, Janine Croser, Julia Wilson, Leanne Young, Michael Materne, Colin Hanbury, Dennis Van Gool, Noel Schoknecht, Richard Bell, Wendy Vance, Kedar Adhikari, Mohammad Nuruzzaman, Erik Veneklaas, Mike Bolland, Stuart Pearse, Geoff Thomas, Ken Adcock, Bill Mcleod, Pip Payne, Alan Harrod, Glenda Smith, Rohan Prince Feb 2005

Crop Updates 2005 - Lupins And Pulses, Peter White, Martin Harries, Ian Pritchard, Rodger Beermier, Mark Seymor, David Syme, Bevan Buirchell, Kedar Adhikari, Mark Sweetingham, Geoff Thomas, Jon Clements, Shao Fang Wang, Ping Si, David Bowran, Huaan Yang, Mike Baker, Wayne Parker, Bob French, Damien Owen D'Arcy, Bill Bowden, Craig Scanlan, Jeff Russell, Angie Roe, Greg Shea, Chris Matthews, Shahab Pathan, Abul Hashem, Sofia Sipsas, John Quealy, Roger Jones, Clive Francis, Colin Smith, Gordon Francis, Tanveer Khan, Kerry Regan, Jenny Garlinge, Rod Hunter, Greg Mussell, Glen Riethmuller, Moin Salam, Jean Galloway, Larn Mcmurray, Kambot Siddique, Dirranie Kirby, Murray Blyth, Fucheng Shan, Heather Clarke, Madeleine Wouterlood, Hans Lambers, Erik Veneklaas, Peter Smith, Gae Plunkett, Tim Pope, Janine Croser, Julia Wilson, Leanne Young, Michael Materne, Colin Hanbury, Dennis Van Gool, Noel Schoknecht, Richard Bell, Wendy Vance, Kedar Adhikari, Mohammad Nuruzzaman, Erik Veneklaas, Mike Bolland, Stuart Pearse, Geoff Thomas, Ken Adcock, Bill Mcleod, Pip Payne, Alan Harrod, Glenda Smith, Rohan Prince

Crop Updates

This session covers sixty five papers from different authors:

1. 2004 LUPIN AND PULSE INDUSTRY HIGHLIGHTS, Peter White Department of Agriculture

2. BACKGROUND, Peter White Department of Agriculture

2004 REGIONAL ROUNDUP

3. Northern Agricultural Region, Martin Harries, Department of Agriculture

4. Central Agricultural Region, Ian Pritchard, Department of Agriculture

5. Great Southern and Lakes, Rodger Beermier, Department of Agriculture

6. Esperance Port Zone, Mark Seymour, Department of Agriculture, and David Syme, The Grain Pool of WA

LUPIN AND PULSE PRODUCTION AGRONOMY AND GENETIC IMPROVEMENT

7. Lupin, Martin Harries, Department of Agriculture …


Crop Updates 2005 - Farming Systems, David Stephens, Nicola Telcik, Ross Kingwell, Wayne Pluske, Bill Bowden, Mike Collins, Frances Hoyle, D. V. Murphy, N. Milton, M. Osman, L. K. Abbott, W. R. Cookson, S. Darmawanto, Bill Crabtree, Geoff Anderson, Darren Kidson, Ross Brennan, Nick Drew, Craig Scanlan, Lisa Sherriff, Bob French, Reg Lunt, Jeff Russell, Angie Roe, Ian Maling, Matthew Adams, George Yan, Mohammad Hamza, Glen Riethmuller, Wal Anderson, Angela Loi, Phil Nichols, Clinton Revell, David Ferris, Phil Ward, Andrea Hills, Sally-Anne Penny, David Hall, Michael Robertson, Don Gaydon, Tress Walmsley, Caroline Peek, Megan Abrahams, Paul Raper, Richard O'Donnell, Trevor Lacey, Meredith Fairbanks, David Tennant, Cameron Weeks, Richard Quinlan, Alexandra Edward, Chris Carter, Doug Hamilton, Peter Tozer, Renaye Horne, Tracey Gianatti, Paul Carmody, Ian Foster, Michele John, Ross George, Imma Farré, Ian Kininmonth, Dennis Van Gool, Neil Coles, Bill Porter, Louise Barton, Richard Harper, Peter Ritson, Tony Beck, Chris Mitchell, Michael Hill, Fiona Barker-Reid, Will Gates, Ken Wilson, Rob Baigent, Ian Galbally, Mick Meyer, Ian Weeks, Traci Griffin, D. Rodriguez, M. Probust, M. Meyers, D. Chen, A. Bennett, W. Strong, R. Nussey, I Galbally, M. Howden Feb 2005

Crop Updates 2005 - Farming Systems, David Stephens, Nicola Telcik, Ross Kingwell, Wayne Pluske, Bill Bowden, Mike Collins, Frances Hoyle, D. V. Murphy, N. Milton, M. Osman, L. K. Abbott, W. R. Cookson, S. Darmawanto, Bill Crabtree, Geoff Anderson, Darren Kidson, Ross Brennan, Nick Drew, Craig Scanlan, Lisa Sherriff, Bob French, Reg Lunt, Jeff Russell, Angie Roe, Ian Maling, Matthew Adams, George Yan, Mohammad Hamza, Glen Riethmuller, Wal Anderson, Angela Loi, Phil Nichols, Clinton Revell, David Ferris, Phil Ward, Andrea Hills, Sally-Anne Penny, David Hall, Michael Robertson, Don Gaydon, Tress Walmsley, Caroline Peek, Megan Abrahams, Paul Raper, Richard O'Donnell, Trevor Lacey, Meredith Fairbanks, David Tennant, Cameron Weeks, Richard Quinlan, Alexandra Edward, Chris Carter, Doug Hamilton, Peter Tozer, Renaye Horne, Tracey Gianatti, Paul Carmody, Ian Foster, Michele John, Ross George, Imma Farré, Ian Kininmonth, Dennis Van Gool, Neil Coles, Bill Porter, Louise Barton, Richard Harper, Peter Ritson, Tony Beck, Chris Mitchell, Michael Hill, Fiona Barker-Reid, Will Gates, Ken Wilson, Rob Baigent, Ian Galbally, Mick Meyer, Ian Weeks, Traci Griffin, D. Rodriguez, M. Probust, M. Meyers, D. Chen, A. Bennett, W. Strong, R. Nussey, I Galbally, M. Howden

Crop Updates

This session covers forty four papers from different authors:

PLENARY

1. 2005 Outlook, David Stephens and Nicola Telcik, Department of Agriculture

FERTILITY AND NUTRITION

2. The effect of higher nitrogen fertiliser prices on rotation and fertiliser strategies in cropping systems, Ross Kingwell, Department of Agriculture and University of Western Australia

3. Stubble management: The short and long term implications for crop nutrition and soil fertility, Wayne Pluske, Nutrient Management Systems and Bill Bowden, Department of Agriculture

4. Stubble management: The pros and cons of different methods, Bill Bowden, Department of Agriculture, Western Australia and Mike Collins, …


Nebline, February 2005 Feb 2005

Nebline, February 2005

NEBLINE Newsletter Archive from Nebraska Extension in Lancaster County

The Scoop on Poop: Lessons in Wastewater Biology
Fertilizing Cropland With Biosolids
Shopping for Plants, Seeds
Colorful Coleus Make Good Bedding or Container Plants
Garden Guide: Things to do this month
Bromeliads Need Strong Light, Warm Temperatures to Survive
The Acreage Yard and Garden: an Ongoing Process
Shock Chlorination of Domestic Water Supplies
Rural Living Clinic on Raising Fruits, Feb. 10
Fewer “Trips to the Attic” of the Food Guide Pyramid Create Great Health Benefits
Italian White Bean Soup Recipe
Eating Well as We Age, Part 1
“Blooming” Chocolate Won’t Hurt You
President’s Notes — Janet’s Jargon
Household Hints: Beat …


Polarisome Meets Spitzenkö̈Rper: Microscopy, Genetics, And Genomics Converge, Steven D. Harris, Nick D. Read, Robert W. Roberson, Brian Shaw, Stephan Seiler, Mike Plamann, Michelle Momany Feb 2005

Polarisome Meets Spitzenkö̈Rper: Microscopy, Genetics, And Genomics Converge, Steven D. Harris, Nick D. Read, Robert W. Roberson, Brian Shaw, Stephan Seiler, Mike Plamann, Michelle Momany

Department of Plant Pathology: Faculty Publications

The impact of filamentous fungi on human welfare has never been greater. Fungi are acknowledged as the most economically devastating plant pathogens (1) and are attaining increasing notoriety for their ability to cause life-threatening infections in humans (57, 71), and fungal products sustain a billion dollar manufacturing industry (70). The tools available to study filamentous fungi are more sophisticated than ever and include the complete annotated genome sequences of multiple filamentous fungi (12), resources being made available through various functional genomics projects, and advanced bioimaging methods, including high-resolution live-cell imaging (20, 32) and electron tomography (19, 50). The increasing impact …


Wayne E. Sabbe Arkansas Soil Fertility Studies 2004, Nathan A. Slaton Feb 2005

Wayne E. Sabbe Arkansas Soil Fertility Studies 2004, Nathan A. Slaton

Arkansas Agricultural Experiment Station Research Series

Rapid technological changes in crop management and production require that the research efforts also be presented in an expeditious manner. The contributions of soil fertility and fertilizers are major production factors in all Arkansas crops. The studies described within will allow producers to compare their practices with the university’s research efforts. Additionally, soil test data and fertilizer sales are presented to allow comparisons among years, crops, and other areas within Arkansas.


2004 Plant Community Field Surveys In Western Nebraska (Final Report), Robert F. Steinauer Jan 2005

2004 Plant Community Field Surveys In Western Nebraska (Final Report), Robert F. Steinauer

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

These surveys were undertaken to update information on native plant communities and wildlife habitats in western Nebraska to facilitate the development of the Nebraska Game and Parks Commission’s (NGPC) Comprehensive Wildlife Plan. The specific intent of the project was to identify, map, and give quality rankings to large blocks of privately-owned native plant communities within the survey area. In 2004, the surveys focused on Chase, Dundy, Hayes, Hitchcock, and Perkins counties in southwestern Nebraska, and Sioux, Dawes, Box Butte, Morrill and eastern Banner and Scotts Bluff counties in the Panhandle.


Analysis Of Molecular Variation In The Federally Endangered Astragalus Jaegerianus (Fabaceae, Papilionoideae): A Species With A Restricted Geographic Range, George Floyd Walker Jan 2005

Analysis Of Molecular Variation In The Federally Endangered Astragalus Jaegerianus (Fabaceae, Papilionoideae): A Species With A Restricted Geographic Range, George Floyd Walker

Theses Digitization Project

The purpose of this study is to investigate the level and distribution of genetic variation in Astragalus jaegerianus by using molecular markers. The objectives of the study are: to estimate levels of genetic variation within and among populations of Astragalus jaegerianus; to test the hypothesis that levels and patterns of genetic variation in species of restricted ranges and few individuals is low and partitioned at the population level; and to discern whether, or how well, genetic partitioning of Lane Mountain milk vetch correlates with its geographic partitioning in the field.


Antifungal Activity Of Camptothecin, Trifolin, And Hyperoside Isolated From Camptotheca Acuminata, Shiyou Li, Zhizhen Zhang, Abigail Cain, Bo Wang, Melissa Long, Josephine Taylor Jan 2005

Antifungal Activity Of Camptothecin, Trifolin, And Hyperoside Isolated From Camptotheca Acuminata, Shiyou Li, Zhizhen Zhang, Abigail Cain, Bo Wang, Melissa Long, Josephine Taylor

Faculty Publications

Leaf spots and root rots are major fungal diseases in Camptotheca acuminata that limit cultivation of the plant for camptothecin (CPT), a promising anticancer and antiviral alkaloid. Bioassays showed that pure CPT and flavonoids (trifolin and hyperoside) isolated from Camptotheca effectively control fungal pathogens in vitro, including Alternaria alternata, Epicoccum nigrum, Pestalotia guepinii, Drechslera sp., and Fusarium avenaceum, although antifungal activity of these compounds in the plant is limited. CPT inhibited mycelial growth by approximately 50% (EC50) at 10−30 μg/mL and fully inhibited growth at 75−125 μg/mL. The flavonoids were less effective than CPT …


Visualizing Food And Farm, 2005 Joint Meetings Of The Agriculture, Food, And Human Values Society (Afhvs) And Association For The Study Of Food And Society (Asfs): Program And Abstracts, Jane Adams, Lorna Michael Butler, Richard P. Haynes, Laura B. Delind Jan 2005

Visualizing Food And Farm, 2005 Joint Meetings Of The Agriculture, Food, And Human Values Society (Afhvs) And Association For The Study Of Food And Society (Asfs): Program And Abstracts, Jane Adams, Lorna Michael Butler, Richard P. Haynes, Laura B. Delind

United States Department of Agriculture, Forest Service / University of Nebraska-Lincoln: Faculty Publications

Visualizing Food and Farm

2005 Joint Meetings of the Agriculture, Food, and Human Values Society (AFHVS) and Association for the Study of Food and Society (ASFS)

Program and Abstracts

June 9-12, 2005, Portland, Oregon, United States


An Inventory Of Rangelands In Part Of The Broome Shire, Western Australia, W E. Cotching Jan 2005

An Inventory Of Rangelands In Part Of The Broome Shire, Western Australia, W E. Cotching

Technical Bulletins

The inventory of rangelands in part of the Broome Shire in Western Australia was undertaken by DAFWA between 1989 and 1990. It describes and maps the natural resources of the region’s pastoral leasehold land. This survey report provides a baseline record of the existence and condition of the natural area’s resources, to assist with the planning and implementation of land management practices. The report identified and described the condition of soils, landforms, vegetation, habitat, ecosystems, and declared plants and animals. It also assessed the impact of pastoralism and made land management recommendations. The survey of part of the Broome Shire …


Risk And Ethics In Biological Control, Ernest S. Delfosse Jan 2005

Risk And Ethics In Biological Control, Ernest S. Delfosse

United States Department of Agriculture-Agricultural Research Service / University of Nebraska-Lincoln: Faculty Publications

All introduced natural enemies present a degree of risk to nontarget species. Since most biological control programs use relatively host-specific natural enemies, the risk to nontarget species is generally very low, particularly from biological control of weeds, which uses extensively tested and validated host-specificity testing procedures to predict risk. However, many of the published comments about risks of biological control are superficial or misleading, often inappropriately lumping risk from all taxa of agents as “the risk of biological control,” and ignore the potential benefits, rather than dealing with species-by-species risk and benefits. Particularly confounding accurate predictions is the common mixing …


Reproductive Ecology Of Two Common Woody Species, Juniperus Sabina And Artemisia Santolinifolia, In Mountain Steppes Of Southern Mongolia, Katrin Ronnenberg Jan 2005

Reproductive Ecology Of Two Common Woody Species, Juniperus Sabina And Artemisia Santolinifolia, In Mountain Steppes Of Southern Mongolia, Katrin Ronnenberg

Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298

The present study describes the reproductive ecology of the prostrate shrub Juniperus sabina and the dwarf shrub Artemisia santolinifolia in dry mountain steppes of southern Mongolia. Whereas stands of the juniper are located at the drought limit of the genus’ distributional range, the genus Artemisia is typical of central Asian drylands. Both species produce large numbers of reproductive organs. For Juniperus sabina, however, only 2.5% of the morphologically intact seeds were found to be viable. Correspondingly, neither seedlings nor saplings were found in the field, and recruitment by reseeding happens at most rarely under the present climatic conditions.

Instead, …


Environmental Adaptations Of The Gobi Desert Plants In Mongolia: An Example Of C4-Plants, Ts. Tsendeekhuu, Clanton Candler Black Jan 2005

Environmental Adaptations Of The Gobi Desert Plants In Mongolia: An Example Of C4-Plants, Ts. Tsendeekhuu, Clanton Candler Black

Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298

This paper presents the results of our studies on the ecological adaptations and geographical distribution of plants with C4-photosynthesis in Mongolia using 13C isotope discrimination.

Previous studies identified about 80 C4-species in 8 families in the Mongolian flora. Our investigations lead to the identification of four additional species, which can be regarded as C4-plants. Orostachys spinosa (-16.26‰ 13C), O. thyrsiflora (-16.86‰ 13C), O. fimbriata (-16.15‰ 13C), and Euphorbia humifusa (-23.29‰ 13C). However, as the discrimination level for Euphorbia humifusa is very similar to that of C3-plants it may be switching between C3 and C4 types …