Role with the JFMP:

Delta smelt biological issues.



Ph.D. Oregon State University, Corvallis, Oregon. Benthic biological invasion in two temperate estuaries and their effects on trophic relations of fishes and community stability.

M.S. Oregon State University, Corvallis, Oregon. Temporal trends in year-class strength and catch rates of petrale sole off Oregon and Washington.

B.S. and Post-B.S. (1986). Marine Biology. University of Concepcion, Concepcion, Chile. Age and growth and exploitation rate of jack mackerel in the Gulf of Arauco and adjacent areas.

Previous Experience:

Staff Scientist, Dynamac International. Coastal Ecology Branch. EPA, Hatfield Marine Science Center, Newport, OR.

Faculty Research Assistant. Hatfield Marine Science Center. Oregon State University. Newport, OR. Biologist, Biological Resources Division, USGS. Reston, VA.

Selected Projects and Publications:

Castillo, G.C., H.W. Li and P.A. Rossignol. 2000. Absence of overall feedback in a benthic estuarine community: A system potentially buffered from impacts of biological invasions. Estuaries 23:275-291.

Castillo, G.C., H.W. Li, J.W. Chapman and T.W. Miller. 1999. Predation on native and nonindigenous amphipod crustaceans by a native estuarine-dependent fish. In: J. Pedersen (ed.), Proceedings of the First National Conference on Marine Bioinvasions. MIT Sea Grant Program. Cambridge, MA.

Li, H.W., P.A. Rossignol and G.C. Castillo. 1999. Risk analysis of species introductions: Insights from qualitative modeling. In: R. Claudi and J. H. Leach (eds.), Nonindigenous Freshwater Organisms . Vectors, Biology, and Impact.. CRC Press. Boca Raton, Florida.

Williamson, K., D. Bella, R. Beschta, G. Grant, P. Klingeman, H. Li, P. Nelson, G. Castillo, T. Lorz, M. Meleason, P. Minear, S. Moret, I. Nam, M. Reiter and L. Wieland. 1995. Gravel disturbance impacts on salmon habitat and stream health. Vol. II: Technical background report. A report for the Oregon Division of State Lands. Prepared by the Water Resources Research Institute. Oregon State University. Corvallis, OR, 226 p.

Castillo, G.C. 1995. Species narrative for Columbia River chinook salmon (spring, summer and fall) east of Bonneville Dam. A report for the U.S. Forest Service. North Fork John Day Ranger District. Pacific Northwest Research Station. Umatilla National Forest, Ukiah, 92 p.

Marcot, B.G., M.J. Wisdom, H.W. Li and G.C. Castillo. 1994. Managing for featured, threatened, endangered, and sensitive species and unique habitats for ecosystem sustainability. In: R.L. Everett (Assessment team leader). Eastside Forest Ecosystem Health Assessment. General Technical Report. PNW-GTR-329. U.S. Department of Agriculture, Forest Service, Portland, OR, Vol. III:43 p.

Castillo, G., M. Meleason and E. Phillips. 1994. Annotated bibliography on fishery questions related to the reintroduction of anadromous fish over high head dams. S. Ahern (ed), Portland General Electric Co. Pelton-Round Butte Hydroelectric Project, Madras, OR, 197 p.

Castillo, G.C., H.W. Li and J.T. Golden. 1994. Environmentally induced recruitment variation in petrale sole, Eopsetta jordani. Fishery Bulletin U.S. 92: 481-493.

Castillo G., H. Muñoz, H. Gonzalez and P.A. Bernal. 1991. Daily analysis of abundance and size variability of fish larvae in relation to oceanic water intrusions in coastal areas. Biologia Pesquera 20: 19-34.

McLain, J., Chotkowski, M., and G. Castillo. 2001. Fall run chinook salmon fry spatial distribution and habitat preference in the West Sacramento-San Joaquin Delta. DRAFT

Other Interests:

Hiking, biking, diving, reading and blues violin.

Contact Information:

Gonzalo Castillo
U.S. Fish and Wildlife Service
4001 N. Wilson Way
Stockton, CA 95205
(209) 334-2968 ext. 323
Email: gonzalo_castillo [just add]