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Upcoming webinars: EAB University, Urban Wood Network and more

As winter melts into spring, two new webinar series are getting underway.

The schedule for the spring semester of EAB University can be found here. Topics include beech leaf disease, the future of North American ash, hemlock wooly adelgid management, and more. CEU credits will be offered, and all webinars are recorded and posted online after the talks.

The Urban Wood Network kicks off its 2020 webinar series this month. This “Future Visioning” series is held on the second Wednesday of each month at noon and includes topics such as urban lumber standards, urban lumber business, and what to do with the rest of the tree.

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WDNR/WAA Conference attracts record number of attendees

By Sara Minkoff, DNR urban forestry specialist, Madison, Sara.Minkoff@wisconsin.gov, 608-669-5447; and Kim Sebastian, DNR urban forestry coordinator, Milwaukee, Kim.Sebastian@wisconsin.gov, 414-294-8675

The 2020 Annual Statewide WDNR/Wisconsin Arborist Association (WAA) Urban Forestry Conference, “Sustaining Urban Forests to Ensure a Healthy Future,” set another attendance record this past February 16-18 in Green Bay.

The 885 attendees included community foresters and administrators, professional arborists, green industry professionals, nonprofit staff, and students, who gathered to network, learn and discuss important concepts in urban forest management and practices in arboriculture.

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Forest Health Factsheet: Environmental Causes of Tree Damage

The DNR Forest Health team recently updated its factsheet on common forms of abiotic (non-living, chemical and environmental) damage to trees in Wisconsin.

The factsheet provides a brief overview of the following topics:

  • Storm damage (wind, lightning, hail)
  • Winter damage (ice and heavy snow, frost, sunscald, salt spray, winter desiccation)
  • Drought
  • Flooding
  • Fire
  • Soil (compaction, improper pH and nutrient deficiencies)
  • Pesticides (improper use, drift)

Find this factsheet, as well as the complete collection of DNR Forest Health publications, on this webpage.

Catastrophic aid request approved for communities

Last October, the Department of Natural Resources’ Urban Forestry program awarded fifteen communities and tribes with grant funding in response to the State of Emergency declared on July 18th, 2019. This declaration triggered the availability of up to 20% of the program’s funds, an amount of $104,920, to affected Wisconsin communities to help lessen the burden of storm-related damages to their urban forest canopy. Each applicant was able to request a maximum of $50,000; however, due to the unprecedented number of applications received, grants were limited to awards ranging from $4,000 to $8,428.19.

The Department submitted a request in December to the Joint Committee on Finance to transfer funds from the forestry emergency reserve. This reserve was created in 2017 as a result of Wisconsin Act 59 for emergency responses to significant fire, disease, infestation, or other natural disasters that could not otherwise be reimbursed by federal funds.

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Where are you, blue ash?

By Dan Buckler, DNR urban forestry assessment outreach specialist, Madison, Daniel.Buckler@wisconsin.gov, 608-445-4578

It is no secret that the emerald ash borer (EAB) has a voracious appetite. This pest has eradicated unprotected green and white ash in many communities in southern Wisconsin and can be expected to eventually impact all communities in the state. EAB is also damaging wetland and riverine forests by eliminating green and black ash from these woodlands, which had already become less diverse and resilient from the loss of American elm from Dutch elm disease.

While EAB can feed on all American ash species so far tested, some are less favored than others and thus take less damage from the pest.  Reduced feeding pressure may allow such species to persist in the presence of EAB.  Blue ash (Fraxinus quadrangulata) is one of these less preferred hosts of EAB.  This tree, a native of the Midwest and South, enjoys calcareous soils and has been found growing naturally in southeast Wisconsin. Even before EAB, it was considered a Threatened plant in the state, though it is common in states to the south of us.  It’s an unusual tree but some communities and individuals have planted blue ash across the state.

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Funding opportunities available through the DNR

Local units of government (LUGs) are eligible to apply for four Knowles-Nelson Stewardship Program grants and two related federal programs administered by the DNR. The annual application deadline is May 1st for the grant programs listed below.

Knowles-Nelson Stewardship local assistance grant programs:

  • Aids for the Acquisition and Development of Local Parks (ADLP)
  • Urban Green Space (UGS) grants
  • Urban Rivers (UR) grants
  • Acquisition of Development Rights (ADR)

Federal recreation grant programs:

  • Land and Water Conservation Fund (LWCF)
  • Recreational Trails Program (RTP)

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Calling all tree inventories!

By Dan Buckler, DNR urban forestry assessment outreach specialist, Madison, Daniel.Buckler@wisconsin.gov, 608-445-4578

Do you have a tree inventory from the last five years that you’d want to appear on the Wisconsin Community Tree Map, a compilation of tree inventories from around the state? Or perhaps you already have an inventory there, but want to submit an update? Well, there’s no time like the present to get those submitted to the DNR to appear on the map. The tool is a useful way to showcase your community trees, query different groups (e.g. all large ash trees) and contribute to a better understanding of urban forests in Wisconsin. 

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Trees for all: Madison nonprofit serves multi-family residences

Over the years, the Urban Tree Alliance (UTA), a Madison-based nonprofit, has launched several innovative programs that promote environmental equity. The first of these programs, the Madison Canopy Project, continues to offer free trees to homeowners in selected low-income, low-canopy neighborhoods. Initially funded with the assistance of DNR Urban Forestry Grants, the program now has other funding sources and is kicking off its seventh year.

UTA’s newest program, the Housing Partnerships Program, provides tree planting and technical tree assessment services for multi-family residential properties. UTA received 2019 and 2020 DNR Urban Forestry grants to implement and expand this program.

Why the focus on multi-family residences, you may ask? “Through our work in Madison neighborhoods, we have regularly encountered unmet opportunities for tree planting at thousands of multi-family properties,” explains Jeremy Kane, Director of UTA.

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From asthma to ADHD: statistics on the health benefits of trees

Looking for some hard numbers on how urban trees affect health conditions such as asthma, cardiovascular disease, obesity, and ADHD?

Click on the links below to read the original research studies:

•     An increase of 888 street trees per square mile is associated with a 29% lower rate of childhood asthma. Children Living in Areas with More Street Trees Have Lower Prevalence of Asthma, 2008.

•     Loss of trees to the emerald ash borer is associated with an additional 15,080 deaths from cardiovascular disease and 6113 deaths from lower respiratory disease during the study period (1990- 2007). The Relationship Between Trees and Human Health: Evidence from the Spread of the Emerald Ash Borer, 2013.

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Wisconsin DNR Forest Health 2019 Annual Report

The DNR Forest Health team recently completed the 2019 Forest Health Annual Report summarizing impacts from pests, diseases and weather on the health of Wisconsin’s forests. Highlights from 2019 include:

   •   Dramatically increased decline and mortality from EAB in southern WI

   •   New county and township detections of oak wilt

   •   Record-breaking precipitation and major storm damage

   •   Summary of state nursery studies

To read the report, follow this link.