Menu

Bernard Sweeney, Ph.D.

500 500 Stroud Water Research Center
Bernard Sweeney, Ph.D.

Distinguished Research Scientist

Contact

sweeney@stroudcenter.org
tel. 610-268-2153, ext. 1300
970 Spencer Road, Avondale, PA 19311

Interests and Expertise

Bernard Sweeney’s interests include the role of water quality monitoring in conservation, population and community ecology of temperate and tropical aquatic invertebrates; pollution assessment in temperate and tropical streams using macroinvertebrates; the role of streamside forests in the structure and function of stream and river ecosystems; factors affecting the growth and survivorship of trees in riparian forests; the effects of global warming on stream ecosystems; genetic variation and gene flow among populations of stream insects; the effects of diel and seasonal temperature change on aquatic insect populations; evolution of facultative parthenogenesis in aquatic insects; bioenergetics and secondary production of aquatic insects; and the bioassay of toxic materials in aquatic systems.

ResearchGate | Download CV

Education

  • Ph.D., University of Pennsylvania, Population Biology/Zoology.
  • B.S., Delaware Valley College of Science and Agriculture, Biology.

Professional Experience

  • Distinguished Research Scientist, Stroud Water Research Center, December 2017–present.
  • President, Distinguished Research Scientist, Stroud Water Research Center, 2017.
  • President, Executive Director, Curator, Director, Stroud Water Research Center, 1999–2016.
  • Vice President, Asociación Centro de Investigación Stroud, San José, Costa Rica, 1991–present.
  • Curator, Executive Director, Stroud Water Research Center of the Academy of Natural Sciences of Philadelphia; Vice-President, Curator, Environmental Group, Academy of Natural Sciences of Philadelphia, 1996–1999.
  • Associate Curator, Executive Director, Stroud Water Research Center of the Academy of Natural Sciences of Philadelphia, 1988–1996.
  • Assistant Curator, Stroud Water Research Center of the Academy of Natural Sciences of Philadelphia, 1978–1988.

Publications

Present status and future directions of tropical stream research

Jackson, J.K., and B.W. Sweeney. 1995. Journal of the North American Benthological Society 14:5–11.

Concentrations and export of solutes from six mountain streams in northwestern Costa Rica

Newbold, J.D., B.W. Sweeney, J.K. Jackson, and L.A. Kaplan. 1995. Journal of the North American Benthological Society 14:21–37.

Egg and larval development times for 35 species of tropical stream insects from Costa Rica

Jackson, J.K., and B.W. Sweeney. 1995. Journal of the North American Benthological Society 14:115–130.

Semivoltinism, seasonal emergence, and adult size variation in a tropical stream mayfly (Euthyplocia hecuba)

Sweeney, B.W., J.K. Jackson, and D.H. Funk. 1995. Journal of the North American Benthological Society 14(1):131–146.

Maternal transfer of chlordane and its metabolites to the eggs of a stream mayfly Centroptilum triangulifer

Standley, L.J., B.W. Sweeney, and D.H. Funk. 1994. Environmental Science & Technology 28(12):2105–2111.

See all publications by Stroud Center authors

Related Content

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.

UpStream Newsletter, April 2013

Building New Ideas on Old Foundations: “The River Continuum Concept” remains the most-often cited paper in its field. So, when Melinda Daniels, Ph.D., wrote “The River Discontinuum,” people noticed.

UpStream Newsletter, Fall 2012

Talking About Rafa --Maritza’s Manager In Words and Pictures: Rafa Morales was hired to collect macroinvertebrates at Maritza Biological Station in Costa Rica. A year later, he was in charge of the station itself.

UpStream Newsletter, Summer 2012

The Moorhead Environmental Complex -- Sharing Stroud Science Starts Here: The board of directors cut the ribbon on a new building for environmental education and public outreach that models sustainable practices for managing water.

Stroud Water Research Center Dedicates “Green” Building

The building provides opportunities for educators to discuss the various features such as photovoltaic panels, rainwater capture, geothermal heat, and landscaping that promotes infiltration.

UpStream Newsletter, Spring 2012

A Seeker of the Truth: Denis Newbold, Ph.D., holds both strong political beliefs and an absolute commitment to scientific rigor, not an easy place to be when science is under fire.
You might also like