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

Size variation and the distribution of hemimetabolous aquatic insects: two thermal equilibrium hypotheses

Sweeney, B.W., and R.L. Vannote. 1978. Science 200(4340):444–446.

Egg development, growth and metabolism of Sigara alternata (Say) (Hemiptera: Corixidae) in fluctuating thermal environments

Sweeney, B.W., and J.A. Schnack. 1977. Ecology 58(2):265–277.

A diurnally fluctuating thermal system for studying the effect of temperature on aquatic organisms

Sweeney, B.W. 1976. Limnology and Oceanography 21(5):758.

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