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Dr. Robert Loeb doing field work with Penn State DuBois students 

Dr. Robert Loeb, Associate Professor of Biology and Forestry, who focuses on urban forests, invasive plant species, paleopalynology, floristics, and natural areas management.

Dr. Robert Loeb's contact information

Dr. Robert Loeb

Assiciate Professor of Biology and Foresty

Professor Loeb teaches introductory biology, introductory soil science, and research courses to Earth Science and other natural resources baccalaureate majors. He is an Eisenhower Distinguished Teaching Professor, the University’s most prestigious teaching recognition.

Dr. Loeb’s old growth urban forest research in the coastal northeastern United States Focuses on historical forest ecology and species diversity. Investigations of urban natural area forest ecology include extensive research at Radnor Lake State Natural Area in Nashville, TN. His record of peer reviewed publications include 30 journal articles, a book chapter, and a book. As well, he is a Kenan Fellow, National Tropical Botanical Gardens and a Certified Senior Ecologist, Ecological Society of America.

For the Society of American Foresters, Dr. Loeb was an Associate Editor of Urban and Community Forestry for the Journal of Forestry, is a National Conference Urban and Community Forestry track Chair, and is a member of the Forest Technology Programs Accreditation Committee. He is a member of eight peer review journal boards including the Arboricultural Journal: The International Journal of Urban Forestry.

Research Interests

Urban Forests

Invasive Plant Species



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