MARQUETTE, MI – A free workshop about measuring old-growth trees will happen next week at Marquette’s Presque Isle Park in Michigan’s Upper Peninsula.

The nationwide Old-Growth Forest Network will host the event on the evening of Oct. 7 in advance of the Michigan Society of American Foresters conference Oct. 8-9 at Northern Michigan University in Marquette.

Participants will learn how to discover the older parts of public forests and use specialized equipment to delineate and map elements such as old trees, woody debris like fallen logs, layering of forest structure, and dead standing trees called snags. These are examples of features found in old-growth forests, which support biodiversity not found in younger woods.

Experts leading the program will explain how to use the iNaturalist

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