Phenology is the study of recurring lifecycle events influenced by seasonal environmental changes, and classic examples include flowering by plants and migration by animals.

Sugar Maple

Open puffy

Overlook Middle School

Dr. Andrew Richardson http://phenocam.unh.edu/webcam/about/#questions

Nasa’s MODIS satellite pictures to determine the dates of phenoevents such as leaf drop and budburst.

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Beech SugarMaple

Oak Red Maple WitchHazel

YellowBirch

Budburst Julian day

4/17/2011

4/22/2011

4/27/2011

5/2/2011

5/7/2011

5/12/2011

5/17/2011

5/22/2011

2007 2008 2009 2010 2011

Average date bud burst

Massachusetts Comprehensive Assessment System