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John Jackson, Ph.D.

500 500 Stroud Water Research Center
John Jackson, Ph.D.

Senior Research Scientist

  • Principal investigator, Entomology Group.
  • Adjunct professor of entomology and wildlife ecology, University of Delaware.
  • Adjunct professor of biology, University of Pennsylvania.

Contact

jkjackson@stroudcenter.org
tel. 610-268-2153, ext. 1226
970 Spencer Road, Avondale, PA 19311

Interests and Expertise

John Jackson’s research interests span a variety of applied and basic subjects, including population and evolutionary ecology of stream insects, the role of abiotic and biotic processes in determining the structure and function of stream assemblages, energy and nutrient exchange within streams and between streams and their surrounding watersheds, and benthic monitoring and water quality assessment. Specific projects that address these research interests include studies of growth and development of aquatic insects, the influence of dispersal, population dynamics, and environmental variation on genetic structure of stream organisms, the evolutionary and ecological significance of disturbance in aquatic insect ecology, spatial and temporal variation in the distribution and abundance of stream insects, and organic matter dynamics and secondary production. These studies have been located in temperate and/or tropical streams.

Education

  • Ph.D., entomology, University of California, Berkeley, California.
  • M.S., zoology, Arizona State University, Tempe, Arizona.
  • B.S., biology (Honors), University of Notre Dame, Notre Dame, Indiana.

Professional Experience

  • Senior research scientist, Stroud Water Research Center, 2007–present.
  • Adjunct professor, biology, University of Pennsylvania, Philadelphia, Pennsylvania, 2001–present.
  • Adjunct Professor, entomology and wildlife ecology, University of Delaware, Newark, Delaware, 1992–present.
  • Associate research scientist, Stroud Water Research Center, 1999–2007.
  • Fulbright senior scholar at Institut für Zoologie und Limnologie, Universität Innsbruck, Austria, 1998.
  • Postdoctoral research associate, assistant curator, and associate curator, Division of Environmental Research, Stroud Water Research Center, The Academy of Natural Sciences of Philadelphia, 1990–1999.

Publications

Mesh size affects macroinvertebrate descriptions in large rivers: examples from the Savannah and Mississippi Rivers

Battle, J.M., J.K. Jackson, and B.W. Sweeney. 2007. Hydrobiologia 592:329–343.

Stream insect occupancy-frequency patterns and metapopulation structure

Heatherly, T., M.R. Whiles, D.J. Gibson, S.L. Collins, A.D. Huryn, J.K. Jackson, and M.A. Palmer. 2007. Oecologia 151(2):313–331.

Annual and spatial variation for macroinvertebrates in the Upper Mississippi River near Cape Girardeau, Missouri

Battle, J.M., J.K. Jackson, and B.W. Sweeney. 2007. Fundamental and Applied Limnology Archiv für Hydrobiology 168(1):39–54.

Macroinvertebrate distribution in relation to land use and water chemistry in New York City drinking-water-supply watersheds

Kratzer, E.B., J.K. Jackson, D.B. Arscott, A.K. Aufdenkampe, C.L. Dow, L.A. Kaplan, J.D. Newbold, and B.W. Sweeney. 2006. Journal of the North American Benthological Society 25:954–976.

Organic matter transport in New York City drinking-water-supply watersheds

Kaplan, L.A., J.D. Newbold, D.J. Van Horn, C.L. Dow, A.K. Aufdenkampe, and J.K. Jackson. 2006. Journal of the North American Benthological Society 25:912–927.

See publications by all Stroud Center authors

Freshwater Sources Less “Fresh” from Greater Salt Use, Scientists Say

Fresh groundwater, where some drinking water comes from, recharges streams. Scientists are concerned about early signs that groundwater sources are getting saltier.

UpStream Newsletter, December 2013

Stroud Center scientists find mayflies, whose presence indicates good water quality, are significantly affected by low levels of fracking wastewater.

UpStream Newsletter, October 2013

Remembering Ruth Patrick: Ruth Patrick, Ph.D., a pioneer in environmental science and aquatic ecology and co-founder of the Stroud Center, died September 23, 2013 at 105 years old.

UpStream Newsletter, June 2013

A Holistic Approach to Restoring Streams: Our Watershed Restoration Group has an ambitious goal -- add forested buffers along the entire length of two streams over the next two years.

A Holistic Approach to Restoring Streams

The Watershed Restoration Group is building relationships with all of the farmers along two headwater tributaries to restore, protect, and monitor them.

UpStream Newsletter, Summer 2012

The board of directors cut the ribbon on a new building for environmental education and public outreach that models sustainable practices for managing water.
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