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Highlight IDTitleStrategic Program Area(s)YearStation
Photo of Black ash stand in swampy land on the Chippewa National Forest near Cass Lake, Minnesota. Louis Iverson, USDA Forest Service
ID: 600
Ash Trees at the Confluence of Two Threats: Emerald Ash Borer and Climate Change

Black ash, the iconic wetland species of the Northwoods, is threatened by both the emerald ash borer and changing climate. What tree species mig ...

Principal Investigator : Louis Iverson

Invasive Species
Water, Air, and Soil
2014NRS
Photo of This flow diagram shows how we ranked species for potential to replace ash: status and risk to ash was considered together with potential of co-occurring species (both in Minnesota and in points south in Michigan and Ohio) to tolerate a changing climate. Louis Iverson, U.S. Department of Agriculture Forest Service.
ID: 1122
Equipping Forest Managers to Respond to Two Threats to Ash

Forest Service scientists used field data and models to assess both the threats to, and potential replacement species for, black ash, a species ...

Principal Investigator : Louis Iverson

Invasive Species
Water, Air, and Soil
2016NRS
Photo of Numbers indicate the future:current ratio, while colors represent the change class, where red=large decrease (future:current ratio 0.5 & 0.2 & 1.2 & 2.0). Louis Iverson, U.S. Department of Agriculture Forest Service.
ID: 1074
Forecasts from Multiple Models Provides more Reliable Results

Using multiple models instead of a single model allows researchers to develop more reliable forecasts of future forest change.

Principal Investigator : Louis Iverson

Resource Management and Use
Water, Air, and Soil
2016NRS
Photo of Maple syrup from sugar maple trees provides many important economic and cultural services and understand how sugar maple’s habitat may respond to climate change provides important insights to future management considerations.
ID: 1257
Managing for a delicious ecosystem service under climate change

Maple syrup is a highly valued resource produced primarily from the sap of the sugar maple. Understanding how this resource may be impacted by c ...

Principal Investigator : Louis Iverson

Water, Air, and Soil
Wildlife and Fish
2017NRS
Photo of Chart of percent increase in number of taps estimated for Vermont, Wisconsin, and Kentucky at three dates (2040, 2070, 2100) and for two scenarios of climate change to maintain current production levels (PCM B1 - mild, and Hadley A1FI - harsh). Also presented is estimated added costs for taps, at $6 per tap. USDA Forest Service
ID: 805
Potential Changes Expected in Sugar Maple Syrup Production

Scientists expect climate change to decrease the quantity of maple syrup produced per tap, especially in locations more peripheral in the curren ...

Principal Investigator : Louis Iverson

Resource Management and Use
Water, Air, and Soil
2015NRS
Photo of Landtypes (with both formal and colloquial names) derived from the landscape model for a portion of the Athens District of the Wayne National Forest (Bailey’s project area). Maps were generated for the entire 17-county region of SE Ohio.
ID: 1272
The hunt for good oak regeneration sites

Landscape modeling and field sampling may identify the best locations for restoring oak forests. Managers at the Wayne National Forest are using ...

Principal Investigator : Louis Iverson

Water, Air, and Soil
Resource Management and Use
2017NRS