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Forecasting sap flow in birch trees and green-up in the boreal forest of Interior Alaska

April 27 @ 10:00 am to 11:00 am AKDT

Speakers: Jan Dawe, Research Assistant Professor
OneTree Alaska
School of Natural Resources and Extension
&
Rick Thoman, Alaska Climate Specialist, ACCAP

The young tapper is Liam Quirk. His dad is Bill Quirk. 
Photo credit: Marlo Saenz.
The young tapper is Liam Quirk. His dad is Bill Quirk.
Photo credit: Marlo Saenz.

Two milestones in the progression of spring in boreal Alaska are the start of sap flow in birch trees and later green-up, that time when leaves burst forth from deciduous trees. These events have important implications for the seasonal ecology, society, and even meteorology in the state. This joint presentation by Rick Thoman with ACCAP and Jan Dawe with the OneTree Alaska (UAF Agricultural and Forestry Experiment Station) will highlight ongoing efforts to forecast the timing of these important events and ways this information can be used by Alaskans to plan their spring activities.

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