Under-representation of minorities and women in natural resources (NR)-related fields is common, both as students and as professionals. The perception of a predominantly white, male student body and workforce is a potential barrier to recruiting women and minorities to Forestry and related-NR fields. The images of “forestry” and “natural resources-related” fields were examined as they would be from a potential student’s perspective looking at university and college websites with these degree program majors at the 80 National Association of University Forest Resource Programs member institutions during in 2016. Results suggest the percentage of women and minorities enrolled explains little variation in a program’s website image content, whereas there is significant image under-representation of minorities in all NR fields and of women on forestry-major webpages. In addition, women and minorities are more likely to be portrayed in a passive image, such as posing on campus, rather than in an active image, such as measuring a tree. Potential students are also less likely to see diverse faculty online. A lack of diversity image inclusion in Forestry and related NR will not help students see themselves in these fields or enhance society’s view of these critical fields for future employment and economic growth.
Forest ecosystems across the Northwoods will face direct and indirect impacts from a changing climate over the 21st century. This assessment evaluates the vulnerability of forest ecosystems in the Laurentian Mixed Forest Province of northern Wisconsin and western Upper Michigan under a range of future climates. We synthesized and summarized information on the contemporary landscape, provided information on past climate trends, and described a range of projected future climates. This information was used to parameterize and run multiple vegetation impact models, which provided a range of potential vegetative responses to climate. Finally, we brought these results before a multidisciplinary panel of scientists and land managers familiar with the forests of this region to assess ecosystem vulnerability through a formal consensus-based expert elicitation process.The summary of the contemporary landscape identifies major forest trends and stressors currently threatening forests in the region. Observed trends in climate over the past century reveal that precipitation increased in the area, particularly in summer and fall, and that daily maximum temperatures increased, particularly in winter. Projected climate trends for the next 100 years using downscaled global climate model data indicate a potential increase in mean annual temperature of 2 to 9 °F for the assessment area. Projections for precipitation indicate an increase in winter and spring precipitation, and summer and fall precipitation projections vary by scenario. We identified potential impacts on forests by incorporating these future climate projections into three forest impact models (Tree Atlas, LANDIS-II, and PnET-CN). Model projections suggest that northern boreal species such as black spruce, quaking aspen, and paper birch may fare worse under future conditions, but other species may benefit from projected changes in climate. Published literature on climate impacts related to wildfire, invasive species, and forest pests and diseases also contributed to the overall determination of climate change vulnerability. We assessed vulnerability for nine forest communities in the assessment area. The assessment was conducted through a formal elicitation process of 19 science and management experts from across the area, who considered vulnerability in terms of the potential impacts and the adaptive capacity for an individual community. Upland spruce-fir, lowland conifers, aspen-birch, lowland-riparian hardwoods, and red pine forests were determined to be the most vulnerable ecosystems. White pine and oak forests were perceived as less vulnerable to projected changes in climate. These projected changes in climate and the associated impacts and vulnerabilities will have important implications for economically valuable timber species, forestdependent wildlife and plants, recreation, and long-term natural resource planning. ABSTRACT Cover PhotoLake of the Clouds in western Upper Michigan. Photo by Scott Pearson, used with permission.
In the modern forest industry, the need for bio-based, renewable, and environmentally-benign wood preservatives is increasing. The world harvests approximately 1700 million m 3 of wood annually for use in a variety of applications. Unfortunately, when exposed to moisture, wood products are at high risk of decay by wood degrading fungi. Preservatives are used to prevent or limit decay, and there has been an increasing interest in developing wood preservatives from renewable materials. For this work, the effectiveness of water-dispersible, double-shell, lignin nanocapsules encapsulating the fungicide propiconazole, as a sustainable wood preservative, was evaluated. The system was tested for its biocidal efficacy against brown rot decay by Gloeophyllum trabeum in southern yellow pine wood using both dip and pressure treatments. The preservative successfully penetrated the wood block during pressure treatment, and following 3 months of soil-jar incubation, only wood blocks pressure-treated with either the double-shelled-propiconazole nanocapsule system or the conventional exterior wood preservative, chromated copper arsenate (CCA), showed less weight loss (19.95 ± 2.05 and 16.40 ± 3.80%, respectively) compared to the control (41.58 ± 9.51%). Additionally, the novel preservative system exhibited enhanced antifungal resistance compared to its individual constituents, as confirmed with Kirby−Bauer disk diffusion tests. The double-shell lignin nanocapsule exhibited radical quenching activity against DPPH of 75.9 ± 4.2%, and this could have contributed to the enhanced antifungal activity of the double-shell lignin nanocapsule−propiconazole system. This novel preservative system can be considered as a potential bio-based antifungal wood preservative.
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