Research Scientist Emeritus
Ecosystem Processes Group
Contact
newbold@stroudcenter.org
tel. 610-268-2153, ext. 1227
970 Spencer Road, Avondale, PA 19311
Education
- Ph.D., Aquatic Ecology, University of California, Berkeley, California.
- M.S., Hydrology, Cornell University, Ithaca, New York.
- B.S., Engineering, Swarthmore College, Swarthmore, Pennsylvania.
Interests and Expertise
The flow of nutrients (primarily nitrogen, phosphorus, and carbon) to streams and rivers and how those nutrients are processed, transformed, and transported by the stream and river ecosystem.
Professional Experience
- Research Scientist Emeritus, Stroud Water Research Center, 2011–present.
- Research Scientist, Stroud Water Research Center, 1993–2011.
- Assistant Curator, Stroud Water Research Center of the Academy of Natural Sciences of Philadelphia, 1985–1992.
- Ruth Patrick Scholar, Stroud Water Research Center, Division of Environmental Research, Academy of Natural Sciences of Philadelphia. 1983–1985.
- Research Staff Member, Environmental Sciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee, 1982–1983.
- Research Associate, Environmental Sciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee, 1977–1982.
- Eugene P. Wigner Postdoctoral Fellow, Oak Ridge National Laboratory, Oak Ridge, Tennessee, 1977–1979.
Publications
Wiegner, T.N.,L.A. Kaplan, J.D. Newbold, and P.H. Ostrom. 2005. Journal North American Benthological Society 24:48–67.
Riparian deforestation, stream narrowing, and loss of stream ecosystem services
Sweeney, B.W., T.L. Bott, J.K. Jackson, L.A. Kaplan, J.D. Newbold, L.J. Standley, W.C. Hession, and R.J. Horwitz. 2004. Proceedings of the National Academy of Sciences 101(30):14132–14137.
Contributions of microbial biofilms to ecosystem processes in stream mesocosms
Battin, T.J., L.A. Kaplan, J.D. Newbold, and C.E. Hansen. 2003b. Nature 426:439–442.
Where rivers are born: the scientific imperative for defending small streams and wetlands
Meyer, J.L., L.A. Kaplan, J.D. Newbold, D.L. Strayer, C.J. Woltemade, J.B. Zedler, R. Beilfuss, Q. Carpenter, R. Semlitsch, M.C. Watzin, and P.H. Zedler. 2003. Published by Sierra Club and American Rivers.
Effects of current velocity on the nascent architecture of stream microbial biofilms
Battin, T.J., L.A. Kaplan, J.D. Newbold, X. Cheng, and C. Hansen. 2003c. Applied and Environmental Microbiology 63:5443–5452.