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Life Sciences

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Utah State University

2007

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Articles 1 - 30 of 243

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Reduced Soil Compaction Enhances Establishment Of Non-Native Plant Species, G. Page Kyle, Karen H. Beard, Andrew Kulmatiski Dec 2007

Reduced Soil Compaction Enhances Establishment Of Non-Native Plant Species, G. Page Kyle, Karen H. Beard, Andrew Kulmatiski

Karen H. Beard

Many studies have shown that soil disturbance facilitates establishment of invasive, non-native plant species, and a number of mechanisms have been isolated that contribute to the process. To our knowledge no studies have isolated the role of altered soil compaction, a likely correlate of many types of soil disturbance, in facilitating invasion. To address this, we measured the response of seeded non-native and native plant species to four levels of soil compaction in mesocosms placed in an abandoned agricultural field in the Methow Valley, Washington, USA. Soil compaction levels reflected the range of resistance to penetration (0.1-3.0 kg cm(-2)) measured …

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Sagestep News, Winter 2007/2008, No. 5, Sagestep Dec 2007

Sagestep News, Winter 2007/2008, No. 5, Sagestep

Newsletters

Seasonal newsletter of SageSTEP.

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Diffusion Of Collective-Action Innovations Among Pastoralists In Liben District, Ethiopia, D. Layne Coppock, Solomon Desta, Getachew Gebru, Getachew Kassa, Seyoum Tezera Dec 2007

Diffusion Of Collective-Action Innovations Among Pastoralists In Liben District, Ethiopia, D. Layne Coppock, Solomon Desta, Getachew Gebru, Getachew Kassa, Seyoum Tezera

Environment and Society Faculty Publications

In 2001 PARIMA and her partners began to create collective-action groups among illiterate, settled pastoralists in Ethiopia. These groups—soon dominated by women—focused on savings-led microfinance, small business activity, and livestock marketing to increase incomes and diversify livelihoods. Fifty-nine groups with over 2,100 members were formed using intensive training methods, and they have subsequently merged into legally recognized cooperatives. We regard this approach as successful and sustainable. We were curious, however, if “the word has spread” and collective-action has spontaneously arisen beyond our immediate project area. Preliminary findings from recent surveys of settlements in Liben District indicate that diffusion of collective-action …

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Building Effective Community Participation And Stakeholder Partnerships To Promote Positive Change In The Southern Ethiopian Rangelands, D. Layne Coppock, Solomon Desta, Getachew Gebru, Seyoum Tezera, Dadi Amosha Dec 2007

Building Effective Community Participation And Stakeholder Partnerships To Promote Positive Change In The Southern Ethiopian Rangelands, D. Layne Coppock, Solomon Desta, Getachew Gebru, Seyoum Tezera, Dadi Amosha

Environment and Society Faculty Publications

Recently there has been increased recognition that authentic community participation and creating strong inter-institutional partnerships are both important in the process of capacity building, generating innovation, and sustaining development achievements in rural Africa. Here we summarize a process of community participation and formation of institutional partnerships in support of pastoral risk-management interventions over the past seven years on the Borana Plateau. Community involvement has been stimulated using Participatory Rural Appraisal (PRA) methods. This has resulted in the proliferation of pastoral collective-action groups that have diversified livelihoods, engaged markets, and improved incomes. Implementing and sustaining positive change, however, has also been …

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Can Collective Action And Capacity Building Reduce Vulnerability Among Settled Pastoralists?, D. Layne Coppock, Solomon Desta, Getachew Gebru, Seyoum Tezera Dec 2007

Can Collective Action And Capacity Building Reduce Vulnerability Among Settled Pastoralists?, D. Layne Coppock, Solomon Desta, Getachew Gebru, Seyoum Tezera

Environment and Society Faculty Publications

In 2001 PARIMA and her partners began to create collective-action groups among illiterate, settled pastoralists in southern Ethiopia. These groups—dominated by women—focused on savings-led microfinance, small business, and livestock marketing to increase incomes and diversify livelihoods. Fifty-nine groups with over 2,100 members were formed using intensive capacity- building methods. After six years we wanted to compare group members with their neighbors who never participated in the PARIMA program. We surveyed 180 individuals from groups and paired control (traditional) communities. Respondents were asked to assess the extent that they perceived positive, negative, or no change in their lives over the past …

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Stakeholder Alliance Facilitates Re-Introduction Of Prescribed Fire On The Borana Plateau Of Southern Ethiopia, D. Layne Coppock, Getachew Gebru, Solomon Desta, Lemma Gizachew, Dadhi Amosha, Feyissa Taffa Dec 2007

Stakeholder Alliance Facilitates Re-Introduction Of Prescribed Fire On The Borana Plateau Of Southern Ethiopia, D. Layne Coppock, Getachew Gebru, Solomon Desta, Lemma Gizachew, Dadhi Amosha, Feyissa Taffa

Environment and Society Faculty Publications

The implementation of a new prescribed fire program to restore bush-encroached rangelands in southern Ethiopia—and hence increase herbaceous forage supplies for livestock—is given as an example of an integrated action involving multiple institutions to address resource-management problems. The resumption of planned fire—traditionally conducted over hundreds of years by pastoralists until the 1970s—was preceded by key activities including mobilization of the pastoral community, review of government proclamations regarding use of fire, interaction with policy makers, capacity building among pastoralists and agency personnel on how to implement and manage planned fires, development of an overall prescribed burn plan, selection of geo-referenced sites, …

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Collective Action Among Agro-Pastoralists In Baringo District, Kenya: Identifying And Nurturing The Entrepreneurs, D. Layne Coppock, Mark N. Mutinda, Stellamaris K. Muthoka, Abdillahi A. Aboud Dec 2007

Collective Action Among Agro-Pastoralists In Baringo District, Kenya: Identifying And Nurturing The Entrepreneurs, D. Layne Coppock, Mark N. Mutinda, Stellamaris K. Muthoka, Abdillahi A. Aboud

Environment and Society Faculty Publications

The rural population of Baringo District in the Rift Valley of north-central Kenya faces numerous challenges including widespread environmental degradation and poverty. The region has endured decades of failed development projects, proliferation of food aid, and has been studied extensively. We have recently undertaken a different approach focused on bottom-up participatory action research and outreach among the Il Chamus and Tugen ethnic communities. The objective is to explore new ways to empower local people via provision of information, novel experiences, and initial access to resources to allow them to envision an alternative future and implement their own activities to better-manage …

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Extending The Season For Sustainability In Utah, Britney Hunter Dec 2007

Extending The Season For Sustainability In Utah, Britney Hunter

Undergraduate Honors Capstone Projects

The importance of providing fresh produce on a local level is becoming a widespread consideration among people concerned with the character of their food. For regions without an opportune growing climate, extending the growing season can drastically advance productivity. High tunnels are one way to effectively and profitably extend the growing season in cold climates. The benefits of growing in a high tunnel go beyond raising the temperature. High tunnels contribute to higher quality small fruits and vegetables. The benefits of growing in high tunnels have been explored in other states and could be exploited by Utah growers. Utah's climate …

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Parker Mountain Adaptive Resource Management Group 2007 Annual Report, Michael Guttery, David Dahlgren, Michael Monsen, Terry Messmer Dec 2007

Parker Mountain Adaptive Resource Management Group 2007 Annual Report, Michael Guttery, David Dahlgren, Michael Monsen, Terry Messmer

All Current Publications

No abstract provided.

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Hobo Or Not A Hobo-That Is The Question: A Photographic Key To Discerning Hobo From Non-Hobo Spiders, Ryan Davis Dec 2007

Hobo Or Not A Hobo-That Is The Question: A Photographic Key To Discerning Hobo From Non-Hobo Spiders, Ryan Davis

All Current Publications

This key is intended for use with, at a minimum, a microscope with 8-35x zoom capability. In addition to couplet choices based on anatomy, this key is accompanied by pictures taken with a Leica EZ4D stereoscope (the same scopes given to selected Utah Extension offices) to aid in identification.

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Corn, Unknown Unknown Dec 2007

Corn, Unknown Unknown

All Current Publications

This fact sheet lists details of corn crop insurance.

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Dry Beans, Unknown Unknown Dec 2007

Dry Beans, Unknown Unknown

All Current Publications

This fact sheet lists details of dry bean crop insurance.

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When Using Intensive Grazing Practices, Does It Matter How Often You Move Cattle To A New Paddock On Improved, Irrigated Pastures In Utah?, R. D. Weidmeier Dec 2007

When Using Intensive Grazing Practices, Does It Matter How Often You Move Cattle To A New Paddock On Improved, Irrigated Pastures In Utah?, R. D. Weidmeier

All Current Publications

This publication includes results from a study that answers the question of how often to move cattle to a new paddock when using intensive grazing practices.

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Discovering Roses, Larry A. Sagers Nov 2007

Discovering Roses, Larry A. Sagers

Archived Gardening Publications

No abstract provided.

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Little Bluestem In The Landscape, Heidi Kratsch, Graham Hunter Nov 2007

Little Bluestem In The Landscape, Heidi Kratsch, Graham Hunter

Gardening

No abstract provided.

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Biofuel Feedstocks: The Risk Of Future Invasions, Joseph M. Ditomaso, Jacob N. Barney, Allison M. Fox Nov 2007

Biofuel Feedstocks: The Risk Of Future Invasions, Joseph M. Ditomaso, Jacob N. Barney, Allison M. Fox

All U.S. Government Documents (Utah Regional Depository)

In an effort to decrease greenhouse gas emissions, expand domestic energy production, and maintain economic growth, public and private investments are being used to pursue dedicated feedstock crops for biofuel production. Unlike food crops grown for grain-based ethanol (e.g., corn), which require high inputs of fertilizers and pesticides and typically are grown on prime agricultural land, proposed lignocellulose-based energy crops (e.g., switchgrass) typically have a neutral or negative carbon budget, require relatively few economic or environmental inputs, and can be cultivated on marginal, lower-productivity land. Thus, a rapidly growing industry related to crop selection, cultivar improvement, and conversion technilogies is …

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Beneficial Insects: Mantids, Erin W. Hodgson, Ron Patterson Nov 2007

Beneficial Insects: Mantids, Erin W. Hodgson, Ron Patterson

All Current Publications

Mantids refer to an entire predatory group of insects in the order Mantodea. The term “mantis” or “praying mantis” actually refers to a particular genus of mantids. Therefore, only some mantids belong to the genus Mantis. There are about 2,000 species of mantids worldwide and at least 20 species in the U.S. Two mantid species dominate Utah gardens: European mantid and Chinese mantid.

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Beneficial Insects: Beetles, Erin W. Hodgson, Ron Patterson Nov 2007

Beneficial Insects: Beetles, Erin W. Hodgson, Ron Patterson

All Current Publications

There are many beneficial beetles in Utah besides lady beetles or ladybugs. Beetles can significantly reduce common insect and weed problems and in some cases eliminate the need for chemical control. Examples of beneficial beetles include: ground beetles, rove beetles, tiger beetles and tortoise beetles. Many of these beetles are native to Utah, while others have been purposely introduced to help control damage from exotic insect and weed pests.

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Beneficial Insects: True Bugs, Erin W. Hodgson, Ron Patterson Nov 2007

Beneficial Insects: True Bugs, Erin W. Hodgson, Ron Patterson

All Current Publications

True bugs have piercing-sucking mouthparts and belong to the order Hemiptera and suborder Heteroptera. There are more than 38,000 species of true bugs, and are most closely related to aphids, cicadas, and leaf hoppers. Although some true bugs are considered pests, about one-third are predaceous. True bugs have forewings, or hemelytra, that cross over the back at rest, but sometimes the wings are reduced.

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Beneficial Insects: Beetles, Erin W. Hodgson, Ron Patterson Nov 2007

Beneficial Insects: Beetles, Erin W. Hodgson, Ron Patterson

All Current Publications

No abstract provided.

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Beneficial Insects: Mantids, Erin W. Hodgson, Ron Patterson Nov 2007

Beneficial Insects: Mantids, Erin W. Hodgson, Ron Patterson

All Current Publications

No abstract provided.

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Adjusted Gross Revenue-Lite, United State Department Of Agriculture Oct 2007

Adjusted Gross Revenue-Lite, United State Department Of Agriculture

All Current Publications

No abstract provided.

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Swine Artificial Insemination For Beginners: Heat Detection, Dennis Worwod Oct 2007

Swine Artificial Insemination For Beginners: Heat Detection, Dennis Worwod

All Current Publications

Heat detection is the most important and time consuming part of an A.I. breeding program. Your goal is to recognize when the sow or gilt reaches “standing heat,” which is the period when she stands still and rigid when you put weight on her loin.

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The Effects Of Mechanical Disking On Shrub Steppe Ecosystems And Greater Sage Grouse Use In Pine Valley, Utah 2007 Annual Report, Rhett L. Boswell, Nicole S. Frey Oct 2007

The Effects Of Mechanical Disking On Shrub Steppe Ecosystems And Greater Sage Grouse Use In Pine Valley, Utah 2007 Annual Report, Rhett L. Boswell, Nicole S. Frey

All Current Publications

No abstract provided.

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The Effects Of Tebuthurion On Shrub Steppe Ecology And Greater Sage Grouse Use In Lower Hamlin Valley, Utah 2007 Annual Report, Rhett L. Boswell, Nicole S. Frey Oct 2007

The Effects Of Tebuthurion On Shrub Steppe Ecology And Greater Sage Grouse Use In Lower Hamlin Valley, Utah 2007 Annual Report, Rhett L. Boswell, Nicole S. Frey

All Current Publications

No abstract provided.

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Swine Artificial Insemination For Beginners: The Insemination Process, Dennis Worwod Oct 2007

Swine Artificial Insemination For Beginners: The Insemination Process, Dennis Worwod

All Current Publications

You should not attempt to breed a sow or gilt that is not in standing heat. Put weight on the animal’s loin and watch her response to make sure that she is standing.

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Buying Your First Horse, Patricia Evans, Jason Turner Oct 2007

Buying Your First Horse, Patricia Evans, Jason Turner

All Current Publications

This publications gives information about evaluating a horse for purchase, age and experience of new owner, breed and sex of horse, intended use, care and housing, cost of ownership, locating the right horse, and trying it out.

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Swine Artificial Insemination For Beginners: Ordering And Caring For Semen, Dennis Worwod Oct 2007

Swine Artificial Insemination For Beginners: Ordering And Caring For Semen, Dennis Worwod

All Current Publications

Sows and gilts are usually bred twice, with 12 to 24 hours hours between inseminations. For this reason, boar studs will not ship less than two doses of semen.

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Swine Artificial Insemination For Beginners: Selecting The Right Boar, Dennis Worwod Oct 2007

Swine Artificial Insemination For Beginners: Selecting The Right Boar, Dennis Worwod

All Current Publications

Artificial Insemination (A.I.) can complement or replace traditional breeding programs for youth swine projects and other small swine operations.

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The Conservatory Gardens, Larry A. Sagers Sep 2007

The Conservatory Gardens, Larry A. Sagers

All Archived Publications

No abstract provided.

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