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Jesse Weinzinger measure rdius of tree.

Spend a day in the north Woods with us!

We are looking for volunteers to join us Saturday, February 14th, to measure tree growth at the Wabikon Forest Plot in the beautiful Chequamegon-Nicolet National Forest between the towns of Crandon and Laona. Get the details here!

Dr. Rachel Russell.

Congratulations to Christa Kananen

Christa Kananen is the recipient of the 2015 Sager Scholarship for her paper for her paper titled “Drawdown of the Potentiometric Surface of the Cambrian-Ordovician Aquifer in Marinette County, Wisconsin”. The award recognizes a UW-Green Bay undergraduate who has demonstrated excellence in scientific writing resulting from a classroom or extracurricular academic activity.

Cofrin Symposium.

Join us for the 26th annual Cofrin Student Research Symposium

Six University of Wisconsin-Green Bay students will report on research conducted in 3 UW-Green Bay natural areas from 2:00–4:00 p.m. on Tuesday, March 3th in the Christie Theatre in the University Union. The program also will include recognition of the recipient of the Paul and Thea Sager Scholarship for excellence in scientific writing. The event is free and open to the public.

Heirloom peppers.All hunting spots at Toft Point, Point au Sable and the Cofrin Memorial Arboretum have been filled for this season.

For information about hunting on our properties please see our Hunting Policies.



Heirloom peppers.Saving Seeds? If you have extra Heirloom tomato seeds you would like to donate contact us at We are always looking for new and unique varieties to offer to the public.



Blackburnian warbler, photo by M. Mcdowell.

A new tool for measuring forest health!

Biodiversity data manager Erin Giese, along with NAS faculty, and TNC staff have developed a a new rigorous, transparent tool for measuring forest health in northern mesic forests of the western Great Lakes region based on local breeding bird assemblages. TNC conservation managers are already using the tool. Learn more about the research and download the tool here.