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Best of 2016-2018 SAF National Convention Bundle
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Enjoy this curated selection of plenary and technical sessions from the 2016-2018 SAF National Conventions.
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Presentations
The Big Stage: Plenary Sessions (4)
Boots on the Ground Guidelines (5)
Northwestern Silviculture and Forest Ecology (3)
Southern Silviculture and Forest Ecology (1)
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2017 Plenary 2: Integration & Adaptation
Open to view video. | 87 minutes
Open to view video. | 87 minutes
To thrive in a changing world, our profession is continually challenged to examine the methods we employ to educate our future practitioners, perform our jobs, communicate within society, and reach out to the diverse constituencies we serve. The integration of science and policy, biological/ecological sciences and social sciences, research and management, public outreach and professional education, and the making of linkages across geographic and temporal scales are necessary to achieving these goals successfully. Presented by Emily Huff, Michigan State University Department of Forestry, and Thomas RaShad Easley, College of Natural Resources at North Carolina State University at the 2017 SAF National Convention in Albuquerque, NM
2018 Plenary 1: Science, Values, and Forest Policy: Challenges and Paths Forward
Open to view video. | 23 minutes
Open to view video. | 23 minutes
Our opening plenary will set the framework for thinking about the role of science and scientists in forest policy. What is science? What are the roles of science, values, and scientists in public forest policy processes? Using examples from Oregon forest policy processes, we will examine the challenges of using science and scientists to inform policy. We will highlight how values enter the process, both implicitly and explicitly, and close with a look at opportunities and pathways to overcome these challenges. Presented by Pete Daugherty, Oregon State Forester, at 2018 SAF National Convention in Portland, OR.
2018 Plenary 2 Session 1: Is Science on a Path to Irrelevance in Policy and Management?
Open to view video. | 33 minutes
Open to view video. | 33 minutes
This is the first session in a plenary which will provide an insightful perspective of the role of science and policy in forest management in the Pacific Northwest and US. Manifest Destiny, rugged independence, multiple-use management, scientific management, and now fire and restoration have driven ow and why forest management has changed from a policy perspective over the last 120-plus years. Presented by Bob Lackey, Oregon State University, at 2018 SAF National Convention in Portland, OR.
2018 Plenary 2 Session 2: From Science to Policy to Management: Forestry through the Ages
Open to view video. | 23 minutes
Open to view video. | 23 minutes
This is the second session in a plenary that will provide an insightful perspective of the role of science and policy in forest management in the PNW and US. Manifest destiny, rugged independence, multiple use management, scientific management, and now fire and restoration have driven how and why forest management has changed from a policy perspective over the last 120+ years. Presented by Bettina Ring, Commonwealth of Virginia Department of Forestry, at the 2018 SAF National Convention in Portland, OR.
Developing Wisconsin’s Silviculture Guidelines: Integrating Science, Field Experience, and Partner Involvement
Open to view video. | 31 minutes
Open to view video. | 31 minutes
The Wisconsin Department of Natural Resources maintains a Silviculture Handbook that strives to integrate best-available science, operational field experience, and partner involvement into stand-level guidelines. We will present a synopsis of Wisconsin’s Silviculture Handbook and the unique approach used to develop these guidelines. Presented by Greg Edge, Wisconsin Department of Natural Resources at the 2016 SAF National Convention in Madison, WI.
Forested and Riparian Ecological Site Descriptions: A Tool for Conservation Management
Open to view video. | 27 minutes
Open to view video. | 27 minutes
NRCS's Ecological Site Descriptions (ESDs) are a seamless conservation management tool that describes and delineates land units which share similar capabilities to support vegetation and respond to disturbance. ESDs can provide important information to land managers, specifically with respect to unique challenges inherent in managing forested and riparian areas. Presented by Stacey Clark, USDA-NRCS at the 2016 SAF National Convention in Madison, WI.
Good Data Gone Bad: Effective Visualization in Forestry
Open to view video. | 20 minutes
Open to view video. | 20 minutes
Learn how to use open-source software (specifically R) to quickly and efficiently work with forestry data, with a focus on using large datasets such as FIA data. Perfect for graduate students and professionals who want to learn more about how to use R and work with their data. Presented by Matthew Russell, University of Minnesota at the 2017 SAF National Convention in Albuquerque, NM.
Lessons Learned Teaching Data Visualization in Forest Science
Open to view video. | 32 minutes
Open to view video. | 32 minutes
As part of Northern Arizona University’s Graduate Certificate in Science Communication, students take a “Data Metaphors and Visualization” course aimed at introducing essential concepts and tools in data visualization and information design. Anecdotes from teaching this course will be presented and the importance of effective data visualization will be discussed. Presented by As part of Northern Arizona University’s Graduate Certificate in Science Communication, students take a “Data Metaphors and Visualization” course aimed at introducing essential concepts and tools in data visualization and information design. Anecdotes from teaching this course will be presented and the importance of effective data visualization will be discussed. Presented by Andrew Sanchez-Meador, Northern Arizona University at the 2017 SAF National Convention in Albuquerque, NM.
Implementing the Landscape Triad: Timber Production, Wildlife, and Reserve Silviculture Case Studies
Open to view video. | 32 minutes
Open to view video. | 32 minutes
The Landscape Triad is a conceptual framework first introduced by Seymour and Hunter in a 1999 book chapter titled, “Principles of Ecological Forestry.” The Triad seeks to balance broad-ranging forest management objectives by incorporating areas of Intensive, Extensive, and Reserve management into one’s management portfolio. The framework has guided my approach to boots-on-the-ground forest management of the University of Minnesota’s Cloquet Forestry Center (CFC). This presentation highlights case studies of three prescriptions currently implemented at the CFC and discusses lessons learned while translating concept into practice. The “Zebra” prescription aims to produce red pine timber using a strip-seedtree natural regeneration silvicultural system. The “Fisher” prescription aims to promote structural conditions beneficial for fisher, and other wildlife, habitat. And “Camp 8” is an old-growth red pine stand managed as an example of stand conditions prior to European settlement. Key lessons learned about management for multiple objectives have been: 1) Think outside the stand, 2) Don’t do the same thing everywhere, and 3) Work with the stand’s features when developing specific objectives. Kyle Gill, University of Minnesota, Cloquet Forestry Center at the 2018 SAF National Convention in Portland, OR.
Ecological Forest Management in Kitsap County Washington Parks
Open to view video. | 8 minutes
Open to view video. | 8 minutes
Since 2000, Kitsap County, WA has acquired approximately 8,200 acres of forested park land. Comprising 7 separate parks, that range in size from 400 to 3,500 acres, all are former industrial forestlands largely consisting of overstocked monoculture Douglas fir plantations with an average age between 30 and 40 years. In 2012 the Kitsap County adopted a forest stewardship policy that authorized the use of ecological forest management to improve forest health, reduce risk from fire, disease and insects, and to enhance wildlife habitat. Beginning in 2014 over 1,000 acres have been treated using variable density thinning. Even with significant community involvement, implementing a science-based approach to ecologically manage county parkland hasn’t come without social critique. Five-year preliminary results will be reported. Presented by Arno Bergstrom, Kitsap County at the 2018 SAF National Convention in Portland, OR.
Streamflow Changes Resulting from Spatiotemporal Patterns of Forest Canopy Change in Northern Idaho
Open to view video. | 28 minutes
Open to view video. | 28 minutes
Although hydrologic responses to land cover changes are often studied using a paired watershed approach, it is not feasible to assess the hydrological effects of many different patterns of land cover alteration by empirical studies. An alternative is to use well validated, spatially explicit, physically-based numerical models to estimate streamflow changes. The objectives of this study were to assess the sensitivity of watershed flow regimes to several spatial and temporal patterns of forest harvest and recovery in a snow-dominated mountain watershed. The Distributed Hydrology Soil-Vegetation Model (DHSVM) was parameterized using 1998-2007 climate data for the 28-km2 Mica Creek Experimental Watershed (MCEW), a headwater catchment in northern Idaho. The modeling experiment indicated that clear-cutting the entire watershed would increase runoff volume by 79% and 5th percentile flows by 68%. Hydrologic recovery resulting from forest regeneration after clear-cut harvesting is expected to take up to 25 years to return to baseline conditions, and 50 years to fully recover to preharvest conditions. A more realistic harvesting scenario where the watershed was gradually harvested in a series of clear-cut blocks allowing for subsequent regeneration indicated that long-term flows were consistently increased by ~30%. This contrasts with the single harvest and regeneration scenario where flows declined below the baseline case for the period from approximately 25 to 50 years after harvest. Presented by Timothy Link, University of Idaho at the 2018 SAF National Convention in Portland, OR.
Water Stable Isotope Ratios Reveal Network Scale Variability in Base Flow Water Sources in a Western Cascades
Open to view video. | 26 minutes
Open to view video. | 26 minutes
We present insights into the spatial variability of summer base flow in a headwater catchment in the Western Cascades, Oregon, USA. We used a two-component mixing model to estimate the relative contribution of tributaries to base flow in Lookout Creek, in the H.J. Andrews Experimental Forest, for three sampling campaigns with ~200 samples each. The campaigns described different hydrologic conditions from normal summer base flow in 2016 to extreme summer drought in 2015. This information together with geologic and LiDAR derived metrics of elevation, slope, and terrain roughness were used to investigate controls of water sources that operate at different scales and to predict isoscapes based on Spatial Stream Network Models (SSNM). Our results indicate strong differences in isotope ratios among tributaries. Cold Creek, a spring feed stream that occupies 5.3% of the Upper Lookout drainage area, provides a disproportionate (60-94%) amount of its summer base flow. Lapse rates were evident below the confluence of Cold Creek despite sampling season. Conversely the lapse rates in McRae and Mack creeks were absent during 2015, highlighting different base flow sources. Isoscapes of δ18O were well predicted by SSNM. The covariates of the models for each sampling campaign indicate the importance of different controls in base flow. During the wettest condition, precipitation source was the most important variable whereas during the driest condition local terrain slope was the most important variable. The performance of the SSNMs confirm the advantages of accounting for the dendritic spatial structure of rivers providing robust isoscape predictions. Presented by Catalina Segura, Oregon State University at the 2018 SAF National Convention in Portland, OR.
Forest Management and Water Yield in the Southeastern United States
Open to view video. | 36 minutes
Open to view video. | 36 minutes
Forest management exerts a significant effect on water use and therefore may be useful to manage regional water resources. In this study, we quantified forest water use and water yield (Yw) under a range of climatic and edaphic conditions at six sites spanning the entire State of Florida. At each site, daily water use (evapotranspiration, ET) was estimated for six 5-acre plots with different silvicultural management ranging from clearcut to high density plantation and restored stands. ET was estimated using continuous, in-situ soil moisture and groundwater measurements. Estimated water use relative to potential ET (ET: PET) was strongly associated with leaf area index (LAI), root-zone soil-moisture status, and site climatic and hydrogeologic conditions; their combination explained over 85% of the variation in ET:PET. Combined interception losses (Ia) by aboveground forest structure (canopy, understory vegetation and dead litter) was also significant, accounting for 15-30% of annual rainfall across sites. Annual water yield (Yw) estimated from rainfall minus ET and Ia differed significantly among sites and plots (ranging from -0.12 cm/yr to > 100 cm/yr), demonstrating considerable influence of both site-to-site variation as well as management regimes. LAI was the dominant control on Yw variation across sites; a generalized linear model with forest attributes (LAI and groundcover), climate, and hydrogeologic characteristics explained 88% of variation in observed Yw. These results enable comparisons of water yield across different management and climate conditions and thus may be useful for efforts that seek to manage water resources by enhancing the ecosystem service of water yield. Presented by Matthew Cohen, University of Florida at the 2018 SAF National Convention in Portland, OR.