Faculty

Marc Abrams

Professor of Forest Ecology and Physiology

307 Forest Resources Building
University Park, PA 16802

Email agl@psu.edu
Phone 814-865-4901

Overview

Community, historical and physiological ecology of tree species; global change biology.

Department of Ecosystem Science and Management

The results of this study strongly suggest that Native Americans did, indeed, extensively use fire to manage their environment and both directly and indirectly promoted fire-adapted trees such as oak and beech. Credit: Penn State. Creative Commons

May 08, 2025

Cultural burning by Indigenous peoples increased oak in forests near settlements

April 16, 2025

To save our trees, we must burn down our forests

September 08, 2024

Foliage forecasts are bullish, despite summer’s heat. Here’s what leaf peepers in Philly and elsewhere can expect.

September 08, 2023

The fall foliage show’s intensity may be all about the next few weeks of weather

October 29, 2021

Climate change is altering the very color of fall foliage

October 08, 2021

Fall foliage in the Philly area may suffer from the unusually warm and wet weather

October 07, 2021

Fall foliage could be ruined by summer that won’t quit

October 07, 2021

Penn State: Warm, wet autumn could mute, delay foliage in Pennsylvania

October 06, 2021

Fantastic fall foliage could be ruined by summer that won’t quit

Clear, bright days, low but not freezing temperatures, and dry but not drought conditions promote the best fall foliage colors. IMAGE: JON DAWSON/FLICKR

October 05, 2021

Warm, wet autumn could mute and delay foliage display in Pennsylvania

September 14, 2020

Penn State professors predict foliage coloration for fall 2020

September 08, 2020

Fall foliage outlooks are bullish for colors — and leaf-peeping crowds

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