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Harvard Forest Research

Title: Suppression of native species interactions by invasive plant chemistry Projected Dates of Project: Jan 01 2008 - Dec 31 2012

Principal Investigator: Kristina Stinson
Harvard Forest: May 01 2008 - Oct 01 2012:

Abstract:
Research abstract:
I am investigating the phytochemical-mediated suppression of native species interactions and potential effects on native plant growth and ecosystem function. I will be conducting research with 2 invasive species - garlic mustard (A. petiolata) and Buckthorn (R. frangula). In 2008, I will experimentally manipulate soils in a potted plant experiment to determine the biochemical nature and community-level effects R. frangula on native wetland plant growth and possible interference with mutualisms between native alders and nitrogen-fixing bacteria. This work may continue into 2009-2010 depending upon the preliminary results. In 2009 I will begin field work with A. petiolata to determine whether antifungal phytochemistry in this species decreases the abundance and function of saprotrophic fungi in New England Forest soils. This work will include test plots for experimental invasion of A. petiolata at Serita Frey’s existing soil warming +N experiments.

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