1. The red maple paradox;Abrams;BioScience,1998
2. Where has all the white oak gone?;Abrams;BioScience,2003
3. Soil vital signs: A new Soil Quality Index (SQI) for assessing forest soil health;Amacher,2007
4. Definition of “heavy metals” and their role in biological systems;Appenroth,2010
5. Oregon Ridge Park Forest Health Assessment and Forest Management Plan. Prepared by Mar-Len Environmental;Baltimore County Department of Environmental Protection & Resource Management,2007