Avoid a Holiday Invasion!

Orange is okay, but give a yell for yellow! Native vine American bittersweet has orange seed capsules surrounding red berries in terminal clusters. Noxious invasive Oriental bittersweet has yellow seed capsules on berries along the length of the stem. Images: American bittersweet (LEFT) by Brett Whaley is licensed under CC BY-NC; Oriental bittersweet (RIGHT) by Esteve Conway is licensed under CC BY.   […]

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Fall is a Good Time Check for Noxious Weeds and Invasive Species

Midwest residents may be seeing vines in area woodlands and field edges this fall with red berries and orange or yellow seed capsules. American bittersweet (Celastrus scandens) is native, and has orange seed capsules with the seed clusters near the tips of the branches. Oriental bittersweet (Celastrus orbiculatus) is invasive, and has yellow seed capsules with the seed clusters forming […]

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Webinar: Oak and fire in Minnesota forests

Tuesday, October 25, 2016, noon – 1:00 p.m. Oak forests and savannas provide valuable ecosystem services including timber production and wildlife habitat. Historically, fire has played an important role in the development, maintenance, and distribution of oak forests across Minnesota and the Upper Midwest. This webinar will focus on the advantages and limitations of using fire in oak-dominated forests, drawing […]

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March 2016 webinar: Forest management effects on water

Tuesday, March 15, 2016, noon – 1:00 p.m. Forest management operations can impact soil water balance and hydrology indirectly through altered transpiration or directly through compaction and associated changes in soil properties. Dr. Karwan will review the common drivers of soil hydrology changes following forest operations, compare effects in conifer- vs. deciduous-dominated stands, and suggest practices to reduce negative impacts […]

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July 2015 webinar: Forest Dead Wood and Decay: Implications for forest & wildlife managers

Tuesday July 21, 2015, noon – 1:00 p.m. The amount and quality of forest dead wood is important for providing forest structure, sustaining wildlife habitat, and maintaining biodiversity. This webinar will synthesize recent research on dead wood characteristics (e.g., standing dead trees and downed woody debris) and dynamics for this important forest attribute and discuss implications within a management context. […]

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Minnesota red pine: Comparing managed and unmanaged stand conditions

Emily Silver is a recent Masters graduate from the Natural Resources Science and Management program on the University of Minnesota’s Saint Paul campus.  This month we feature an interview with Emily describing her research.  More on Minnesota’s red pine forest type is here. Your research investigated differences in stand structure between managed and natural old growth red pine stands in […]

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Climate and Minnesota’s woodlands: Reflections from a February 2012 event

What can foresters and landowners do to maintain the health and productivity of the state’s woodlands during a period of rapid change and uncertain future conditions? In February 2012, the University of Minnesota’s Sustainable Forests Education Cooperative (SFEC) convened researchers and natural resource professionals to answer this question. This article offers a short summary of the presentations and ideas discussed […]

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The Road to a Thoughtful Street Tree Master Plan Slideshow Series (2011)

A new resource, years in the making By Sean Peterson Several years ago, arborist Ken Simons and University of Minnesota Prof. Gary Johnson first set out to define what practical information Minnesota communities needed to develop a step-by-step practical “Master Plan” for street tree planning and design. After much research, compilation of available resources, discussion, planning and finally implementation, in […]

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Emerald ash borer and your Minnesota woodlands: Management guidelines

Ash management guide for private forest owners  (PDF, 10.5MB plus a single page foldout) is a new resource for family woodland owners in Minnesota who have ash trees on their land. This guide book is a thorough overview of the ash resource in Minnesota including: ash’s history on the landscape; ash tree identification; information on the emerald ash borer (EAB); […]

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