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The Coastal Spruce Fir Forest

by Julia Rush

Sea to Trees is a podcast that tells the stories of the science happening in and around Acadia, from the rocky shoreline to the evergreen forests to the granite mountaintops.

This season we’re getting up-close and hands-on at three different ecosystems in Acadia to get a feel for what it’s like studying science here.

Along the coast of Maine a special cold-adapted forest ecosystem thrives: the coastal spruce fir forest. The cool air that blows off the ocean provides an ideal environment for these colder species, but their future, like many, is uncertain. In this episode, we’re traveling through time to understand how coastal spruce fir forests in Acadia have changed over the past sixty-six years.

We’ll hear from Gillian Audier, this year’s Cathy and Jim Gero Acadia Early-Career Fellow in Science Research, about her work resurveying Dr. Ron Davis’ 1959 inventory of coastal spruce forests in Acadia. Camilla Seirup, who works as an environmental specialist for Acadia National Park, shares her experience resurveying Ron’s work as a University of Maine graduate student. And Ron Davis reflects on the impact of his initial inventory from 1959.

Three-image collage featuring from left to right: 1) Tall, grey-barked trees standing watch over a blanket of emerald green moss in Blackwoods forest. 2) A bright patch of reindeer lichen spreading along the forest floor in Blackwoods. 3) Gillian Audier, this year’s Cathy and Jim Gero Acadia Early-Career Fellow in Science Research, conducting a point count bird survey in the coastal spruce forests of Mount Desert Island.
From left to right: 1) Tall, grey-barked trees standing watch over a blanket of emerald green moss in Blackwoods forest. 2) A bright patch of reindeer lichen spreading along the forest floor in Blackwoods. 3) Gillian Audier, this year’s Cathy and Jim Gero Acadia Early-Career Fellow in Science Research, conducting a point count bird survey in the coastal spruce forests of Mount Desert Island. Photos by Gillian Audier/Schoodic Institute

Illustrative graphic cover art for the podcast. Sea to Trees, which depicts a tree in the foreground, the intertidal zone in the mid ground, and ocean at the left with the horizon line off in the background. A cool color palette is used for the image - blues, deep greens, and grays.

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