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.

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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

Ephemerella mayflies of White Clay Creek: bioenergetic and ecological relationships among six coexisting species

Sweeney, B.W., and R.L. Vannote. 1981. Ecology 62:1353–1369.

Life history, developmental processes, and energetics of the burrowing mayfly Dolania americana

Harvey R.S., R.L. Vannote, and B.W. Sweeney. 1980. Pages 211–230 in J.F. Flannagan and K.E. Marshall (editors). Advances in Ephemeroptera biology. Springer, Boston, Massachusetts.

Geographic analysis of thermal equilibria: a conceptual model for evaluating the effect of natural and modified thermal regimes on aquatic insect communities

Vannote, R.L., and B.W. Sweeney. 1980. American Naturalist 115(5):667–695.

Biology, ecophysiology, and energetics of Sigara alternata (Say) in White Clay Creek

Schnack, J.A., B.W. Sweeney, and R.L. Vannote. 1978. Physis Sección B 37(93):89–98.

Bioenergetic and developmental response of a mayfly to thermal variation

Sweeney, B.W. 1978. Limnology and Oceanography 23(3):461–477.

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