Life Sciences Commons^™

Economic Contribution Of The Agricultural Sector To The Arkansas Economy In 2009, Katherine Mcgraw, Jennie Popp, Wayne Miller

Research Reports and Research Bulletins

This report is the sixth in a series of reports examining agriculture’s economic contribution on the Arkansas economy. Utilizing data from the United States Bureau of Economic Analysis (BEA), USDA Economic Research Service (ERS), USDA National Agricultural Statistics Service (NASS), and Minnesota IMPLAN Group, Inc. (MIG), the economic contribution of agriculture on the Arkansas economy was estimated for the most recent year available, 2009. Gross Domestic Product (GDP) by State information for Arkansas in 2009 was compared with those of other states in the southeast U.S. to give a measure of the relative importance of agriculture in Arkansas.2 The total …

A General Target For Mvps: Unsupported And Unnecessary, Curtis H. Flather, Gregory D. Hayward, Steven R. Beissinger, Philip A. Stephens

USDA Forest Service / UNL Faculty Publications

In a recent article in TREE [1], we reviewed evidence for a consistent standardized estimate of minimum viable populations (MVPs) across taxa [2–4] and found that the universal MVP of 5000 adults advocated by Traill et al. [5] was unsupported by reanalyses of their data. We identified shortcomings in the original analyses, and found substantial uncertainty in standardized MVP estimates, both within populations of the same species and among species. We concluded that neither data nor theory supported a generally applicable MVP.

No evidence refuting the technical problems that we identified in their original analyzes was presented by Brook …

Extent Of Coterminous Us Rangelands: Quantifying Implications Of Differing Agency Perspectives, Matthew Clark Reeves, John E. Mitchell

USDA Forest Service / UNL Faculty Publications

Rangeland extent is an important factor for evaluating critical indicators of rangeland sustainability. Rangeland areal extent was determined for the coterminous United States in a geospatial framework by evaluating spatially explicit data from the Landscape Fire and Resource Management Planning Tools (LANDFIRE) project describing historic and current vegetative composition, average height, and average cover through the viewpoints of the Natural Resources Inventory (NRI) administered by the Natural Resources Conservation Service and the Forest Inventory and Analysis (FIA) program administered by the US Forest Service. Three types of rangelands were differentiated using the NRI definition encompassing rangelands, afforested rangelands, and transitory …

Meeting Minutes, October 7th, 2011, National Smokejumper Association Board Of Directors

National Smokejumper Association Meeting Minutes

Agenda: Introductions, Updates, Logistics, Opening Remarks.; Smokejumper Base Manager's Report.; NSA Investment Policy Guidelines.; NSA Planned Giving.; Amendments To NSA Bylaws.; Transition Of Financial Records And Treasurer Position.; NSA Budget PropoNSAl.; Future Of Smokejumping.; Challenges In The Forest Service Fire Program.; Combining NSA And Art Jukkala Scholarship Funds And Objectives.; Membership Report.; Planned Giving.; Montana Community Foundation.; Merchandising And Website.; Donation/Loan To The National Smokejumper Center.; NSA Trails Program.; Mann Gulch.; Erikkson Estate Donation.; Bod Positions That Need To Be Filled.; Planned Giving Guide.; Conflict Of Interest Form.; Bod Meeting Dates And Locations.; Critique Of Meeting.; Adjourned At 1:15 Pm.;

Snapping A Pour Point For Watershed Delineation In Arcgis Hydrologic Analysis, Yanli Zhang, Matthew W. Mcbroom, Jason Grogan, I-Kuai Hung

Faculty Publications

No abstract provided.

A Comparative Risk Assessment Framework For Wildland Fire Management: The 2010 Cohesive Strategy Science Report, David E. Calkin, Alan Ager, Matthew P. Thompson, Mark A. Finney, Danny C. Lee, Thomas M. Quigley, Charles W. Mchugh, Karin L. Riley, Julie M. Gilbertson-Day

USDA Forest Service / UNL Faculty Publications

The FLAME Act of 2009 requires the U.S. Department of Agriculture Forest Service and the U.S. Department of Interior to submit to Congress a Cohesive Wildfire Management Strategy. In this report, we explore the general science available for a risk-based approach to fire and fuels management and suggest analyses that may be applied at multiple scales to inform decisionmaking and tradeoff analysis. We discuss scientific strengths and limitations of wildfire risk assessment frameworks, including the benefit of broad scalability as demonstrated by four recent case studies. We further highlight the role of comparative risk assessment, which extends the analysis to …

Deriving Fuel Mass By Size Class In Douglas-Fir (Pseudotsuga Menziesii) Using Terrestrial Laser Scanning, Carl Seielstad, Crystal Stonesifer, Eric Rowell, Lloyd Queen

Forest Management Faculty Publications

Requirements for describing coniferous forests are changing in response to wildfire concerns, bio-energy needs, and climate change interests. At the same time, technology advancements are transforming how forest properties can be measured. Terrestrial Laser Scanning (TLS) is yielding promising results for measuring tree biomass parameters that, historically, have required costly destructive sampling and resulted in small sample sizes. Here we investigate whether TLS intensity data can be used to distinguish foliage and small branches (less than or equal to 0.635 cm diameter; coincident with the one-hour timelag fuel size class) from larger branchwood (>0.635 cm) in Douglas-fir (Pseudotsuga …

Lakeview, Oregon: The Little Town That Collaboration Saved, Laura Singer, Emily Rome, Liubov Doerr, Mari Saint Pierre, Dick Townsend, Alexander Freed, Daniel Mcduffee, Greg Nugent, Gretchen Olsen, Kirk Rea, Melissa Long, Ross D. Lamberth, Shelley D. Searle

National Policy Consensus Center Publications and Reports

The assessment team was made up of a diverse group - eight undergraduate PSU students, two graduate teaching assistants and one instructor - representing all ages, interests and fields of study. However, one thing everyone had in common was an interest in learning about collaboration and how it might be used to improve the state of Oregon, the nation and even the world. To that end, everyone participating in the Capstone course hoped to enhance their “Skills for Being an Effective Collaborator.” As this is the first time this course has been offered, we hope our success in meeting its …

A Real-Time Risk Assessment Tool Supporting Wildland Fire Decisionmaking, David E. Calkin, Matthew P. Thompson, Mark A. Finney, Kevin D. Hyde

USDA Forest Service / UNL Faculty Publications

Development of appropriate management strategies for escaped wildland fires is complex. Fire managers need the ability to identify, in real time, the likelihood that wildfire will affect valuable developed and natural resources (e.g., private structures, public infrastructure, and natural and cultural resources). These determinations help guide where and when aggressive suppression is required to protect values and when fire may be allowed to burn to enhance ecosystem conditions. This article describes the primary components of the Wildland Fire Decision Support System (WFDSS), a geospatial decision support system developed by the US Forest Service. WFDSS provides state-of-the-art wildfire risk analysis, decision …

Clearcutting Has A Long-Lasting Effect On Habitat Connectivity For A Forest Amphibian By Decreasing Permeability To Juvenile Movements, Viorel Popescu, Malcolm L. Hunter Jr.

Publications

Conservation of forest amphibians is dependent on finding the right balance between management for timber production and meeting species' habitat requirements. For many pond-breeding amphibians, successful dispersal of the juvenile stage is essential for long-term population persistence. We investigated the influence of timber-harvesting practices on the movements of juvenile wood frogs (Lithobates sylvaticus). We used a chronosequence of stands produced by clear-cutting to evaluate how stand age affects habitat permeability to movements. We conducted experimental releases of juveniles in 2008 (n = 350) and 2009 (n = 528) in unidirectional runways in four treatments: mature forest, recent clearcut, …

Modeling Plant Ranges Over 75 Years Of Climate Change In California, Usa: Temporal Transferability And Species Traits, Solomon Z. Dobrowski, James H. Thorne, Johnathan A. Greenberg, Hugh D. Safford, Alison R. Mynsberge, Shawn M. Crimmins, Alan K. Swanson

Forest Management Faculty Publications

Species distribution model (SDM) projections under future climate scenarios are increasingly being used to inform resource management and conservation strategies. A critical assumption for projecting climate change responses is that SDMs are transferable through time, an assumption that is largely untested because investigators often lack temporally independent data for assessing transferability. Further, understanding how the ecology of species influences temporal transferability is critical yet almost wholly lacking. This raises two questions. (1) Are SDM projections transferable in time? (2) Does temporal transferability relate to species ecological traits? To address these questions we developed SDMs for 133 vascular plant species using …

Pb1751 A Southern Pine Management Guide For Tennessee Landowners, Wayne K. Clatterbuck

Forestry, Trees, and Timber

Version 2.0

Meeting Minutes, March 11th, 2011, National Smokejumper Association Board Of Directors

National Smokejumper Association Meeting Minutes

Agenda: Current issues dealing with fire and aviation as they regard the smokejumper program.; Trail Program Leadership Update.; Trails Scholarship Program.; Proposed stipend for Tony Sleznik for pilot training.; Trails Logo protection .; Friend of the court issue - religious monuments at Mann Gulch.; To what extent should our database be used by outside parties?.; Museum of Mountain Flying.; Giving program.; Program for charitable giving.; Investment report.; Proposal for a mixed investment plan.; Treasurer's report.; Merchandising.; Succession Planning.; Board of directors.; New membership.; President.; Bylaws were discussed.; Job description for an NSA Executive Director.; Membership report.; Report on facebook.; Presentation …

Native Forest And Woodland Management Guidelines For Nebraska's Wildlife Management Areas, Gerry Steinauer

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

This document is one in a four part series produced by the Nebraska Game and Parks Commission to provide direction to managers of Wildlife Management Areas (WMAs) in Nebraska. Other documents in the series cover management of grasslands, wetlands, and early successional habitats.

Prior to Euroamerican settlement wildfires, drought and competition with prairie grasses limited the presettlement distribution of trees in Nebraska to well-watered and somewhat fire protected river valleys and rocky escarpments. At that time, wooded habitats covered about 2 percent of the Nebraska landscape. Though limited in areal, these communities were diverse and supported important components of Nebraska’s …

Assessing The Performance Of Sampling Designs For Measuring The Abundance Of Understory Plants, Ilana L. Abrahamson, Cara R. Nelson, David L.R. Affleck

Forest Management Faculty Publications

Accurate estimation of responses of understory plants to disturbance is essential for understanding the efficacy of management activities. However, the ability to assess changes in the abundance of plants may be hampered by inappropriate sampling methodologies. Conventional methods for sampling understory plants may be precise for common species but may fail to adequately characterize abundance of less common species. We tested conventional (modified Whittaker plots and Daubenmire and point–line intercept transects) and novel (strip adaptive cluster sampling [SACS]) approaches to sampling understory plants to determine their efficacy for quantifying abundance on control and thinned-and-burned treatment units in Pinus ponderosa forests …

Hydrological Impacts Of Integrated Oil Mallee Farming Systems, D L. Bennett, John Andrew Simons, Russell Speed

Resource management technical reports

This study reports on the results from investigations at four sites into the effect of commercial-scale oil mallee systems on localised groundwater systems over seven years. It also reports the results of the use of a numerical model to forecast potential longer term impacts.

Subplot Data (3 One Meter Square Subplots/Plot) For Deer Exclosure Plot, Old Farm 2, West Chester University Of Pennsylvania

Deer and Non-native Invasive Plant Impact Study Documents

No abstract provided.

Subplot Data (3 One Meter Square Subplots/Plot) For Deer Exclosure Plot, Old Farm 3, West Chester University Of Pennsylvania

Deer and Non-native Invasive Plant Impact Study Documents

No abstract provided.

Subplot Data (3 One Meter Square Subplots/Plot) For Deer Exclosure Plot, Old Farm 5, West Chester University Of Pennsylvania

Deer and Non-native Invasive Plant Impact Study Documents

No abstract provided.

Subplot Data (3 One Meter Square Subplots/Plot) For Deer Exclosure Plot, Old Farm 7, West Chester University Of Pennsylvania

Deer and Non-native Invasive Plant Impact Study Documents

No abstract provided.

Subplot Data (3 One Meter Square Subplots/Plot) For Deer Exclosure Plot, Floodplain 8, West Chester University Of Pennsylvania

Deer and Non-native Invasive Plant Impact Study Documents

No abstract provided.

Subplot Data (3 One Meter Square Subplots/Plot) For Deer Exclosure Plot, Old Farm 8f, West Chester University Of Pennsylvania

Deer and Non-native Invasive Plant Impact Study Documents

No abstract provided.

Subplot Data (3 One Meter Square Subplots/Plot) For Deer Exclosure Plot, Old Farm 4, West Chester University Of Pennsylvania

Deer and Non-native Invasive Plant Impact Study Documents

No abstract provided.

Subplot Data (3 One Meter Square Subplots/Plot) For Deer Exclosure Plot, Old Farm 6f, West Chester University Of Pennsylvania

Deer and Non-native Invasive Plant Impact Study Documents

No abstract provided.

Subplot Data (3 One Meter Square Subplots/Plot) For Deer Exclosure Plot, Old Farm 12, West Chester University Of Pennsylvania

Deer and Non-native Invasive Plant Impact Study Documents

No abstract provided.

Subplot Data (3 One Meter Square Subplots/Plot) For Deer Exclosure Plot, Floodplain 4f, West Chester University Of Pennsylvania

Deer and Non-native Invasive Plant Impact Study Documents

No abstract provided.

Subplot Data (3 One Meter Square Subplots/Plot) For Deer Exclosure Plot, Floodplain 5f, West Chester University Of Pennsylvania

Deer and Non-native Invasive Plant Impact Study Documents

No abstract provided.

Subplot Data (3 One Meter Square Subplots/Plot) For Deer Exclosure Plot, Floodplain 6f, West Chester University Of Pennsylvania

Deer and Non-native Invasive Plant Impact Study Documents

No abstract provided.

Subplot Data (3 One Meter Square Subplots/Plot) For Deer Exclosure Plot, Floodplain 4, West Chester University Of Pennsylvania

Deer and Non-native Invasive Plant Impact Study Documents

No abstract provided.

Subplot Data (3 One Meter Square Subplots/Plot) For Deer Exclosure Plot, Floodplain 7, West Chester University Of Pennsylvania

Deer and Non-native Invasive Plant Impact Study Documents

No abstract provided.