Last updated December 2006

PUBLICATIONS
(name and name indicates author was a graduate or undergraduate student at the time of research, respectively)

In Press

Roelke D.L.,, R. Errera, R. Kiesling, B.W. Brooks, J.P. Grover, L. Schwierzke, F. Ureña-Boeck, J. Baker, J.L. Pinckney.  2007. Effects of nutrient enrichment on Prymnesium parvum population dynamics and toxicity: Results from field experiments, Lake Possum Kingdom, USA.  Aquatic Microbial Ecology.  In Press.

Roelke D.L., T. Zohary, K.D. Hambright. J.V. Montoya, 2007. Alternative states in the phytoplankton of Lake Kinneret, Israel (Sea of Galilee).  Freshwater Biology.  In Press.

Baker, J.W., J.P. Grover, B.W. Brooks, F. Ureña-Boeck, D.L. Roelke, R.M. Errera, R. Kiesling.  2006.  Growth and toxicity of Prymnesium parvum (Haptophyta) as a function of salinity, light and temperature.  Journal of Phycology.  In Press.

2006

Roelke D.L., J. Cotner, J.V. Montoya, C. Del Castillo, S. Davis, J. Snider, G. Gable, K.O. Winemiller. Optically determined sources of allochthonous organic matter and metabolic characterizations in a tropical oligotrophic river and associated lagoon. Journal of the North American Benthological Society. 25:185-197

Cotner, J., J.V. Montoya, D.L. Roelke, K.O. Winemiller. Seasonally variable riverine production in the Venezuelan llanos. Journal of the North American Benthological Society. 25:171-184

Montoya, J.V., D.L. Roelke, K.O. Winemiller, J. Cotner, J. Snider. Hydrological seasonality and benthic algal biomass in a Neotropical floodplain river. Journal of the North American Benthological Society. 25:157-170

Winemiller, K.O., J.V. Montoya, D.L. Roelke, C. Layman, J. Cotner. Seasonally varying impact of detritivorous fishes on the benthic ecology of a tropical floodplain river. Journal of the North American Benthological Society. 25:250-262

2005

Buyukates, Y., D.L. Roelke. 2005. Influence of pulsed inflows and nutrient loading on zooplankton and phytoplankton community structure and biomass in microcosm experiments using estuarine assemblages. Hydrobiologia. 548:233-249

Buyukates, Y., D.L. Roelke. 2005. Investigating system characteristics of a Southeast Texas wetland: Nutrient and plankton dynamics of a tidal creek in lower Nueces Delta. Journal of Applied Sciences. 5:820-828.

Fejes, E.M., D.L. Roelke, G. Gable, J.L. Heilman, K.J. McInnes, D.A. Zuberer. 2005. Microalgal productivity, community composition, and pelagic food web dynamics in a sub-tropical, turbid salt marsh isolated from freshwater inflow. Estuaries. 28:94-105.

Winemiller, K.O., A. Chin, S.E. Davis, D.L. Roelke, L.M. Romero, B. Wilcox. 2005. Caddo Lake, Texas inflows study: Summary Report. The Nature Conservancy/Caddo Lake Institute. 102 pp.

Winemiller, K.O., A. Chin, S.E. Davis, D.L. Roelke, L.M. Romero, B. Wilcox. 2005. Caddo Lake, Texas inflows study: Annotated bibliography. The Nature Conservancy/Caddo Lake Institute. 53 pp.

2004

Roelke, D.L., Y. Buyukates, M. Williams, and J. Jean. 2004. Interannual variability in the seasonal plankton succession of a shallow, warm-water lake. Hydrobiologia. 513: 205-218

Heinsch, F.A., J.L. Heilman, K.J. McInnes, D.R. Cobbs, D.A. Zuberer, and D.L. Roelke. 2004. Carbon dioxide exchange in a high marsh on the Texas Gulf Coast: Effects of freshwater availability. Agricultural and Forest Meteorology. 125:159-172.

Murdock, J., D.L. Roelke, and F. Gelwick. 2004. Interactions between flow, periphyton, and nutrients in a heavily impacted urban stream: Implications for stream restoration effectiveness. Ecological Engineering. 22:197-207

2003

Roelke, D.L., S. Augustine, and Y. Buyukates. 2003. Fundamental predictability in multispecies competition: The influence of large disturbance. The American Naturalist. 162: 615-623. (this paper has an electronic appendix)

Roelke, D.L., S. Augustine, and Y. Buyukates. 2003. Directing the Fall of Darwin’s “Grain in the Balance”: Manipulation of Hydraulic Flushing as a Potential Control of Phytoplankton Population Dynamics. Texas Water Resource Institute, Technical Report 245. 13 pp.

Fejes, E., J. Birnbaum, F. Gelwick, and D.L. Roelke. 2003. Vertical distribution of herbivorous zooplankton in a well-mixed lake system where the main predator is a non-selective filter-feeding fish. Journal of Freshwater Ecology. 18:333-336.

2002

Roelke, D.L., and Y. Buyukates. 2002. Dynamics of phytoplankton succession coupled to species diversity as a system-level tool for study of Microcystis population dynamics in eutrophic lakes. Limnology and Oceanography. 47: 1109-1118.

Bontempi, P., S. Davis, C. Del Castillo, D. Roelke, and K. Winemiller. 2002. Transformation of allochthonus dissolved organic carbon in a tropical blackwater river as measured by fluorescence analysis: Application to foodweb ecology. SPIE 16. 6 p. electronic journal.

2001

Roelke, D.L. and Y. Buyukates. 2001. The Diversity of Harmful Algal Bloom-Triggering Mechanisms and the Complexity of Bloom Initiation. Human and Ecological Risk Assessment. 7:1347-1362.

Van Dolah, F.M., D.L. Roelke, and R. Greene. 2001. Health and Ecological Impacts of Harmful Algal Blooms: Risk Assessment Needs. Human and Ecological Risk Assessment. 7:1329-1345.

2000

Roelke, D.L. 2000. Copepod Food-Quality Threshold as a Mechanism Influencing Phytoplankton Succession and Accumulation of Biomass, and Secondary Productivity: A Modeling Study with Management Implications. Ecological Modelling. 134:245-274.

Roelke, D.L. and Y. Buyukates. 2000. Prey-Quality Threshold as a Potential Triggering Mechanism of Algal Blooms and Its Sensitivity to Varied Hydraulic Conditions. ICES Cooperative Research Report, Young Scientists Conference on Marine Perspectives. 240:35-36.

1990’s

Roelke, D.L., P.M. Eldridge, L.A. Cifuentes. 1999. A model of phytoplankton competition for limiting and non-limiting nutrients: Implications for development of estuarine and nearshore management schemes. Estuaries. 22:92-104.

Roelke, D.L., C. D. Kennedy, A.D. Weidemann. 1999. Use of discriminant and fourth-derivative analyses with high-resolution absorption spectra for phytoplankton research: Limitations at varied signal to noise ratio and spectral resolution. Gulf of Mexico Science. 2 :75-86.

Roelke, D.L., L.A. Cifuentes, P.M. Eldridge. 1997. Nutrient and phytoplankton dynamics in a sewage impacted gulf coast estuary: A field test of the PEG-model and Equilibrium Resource Competition theory. Estuaries. 20:725-742.

Villareal, T.A., D.L. Roelke, G.A. Fryxell. 1994. Occurrence of the toxic diatom Nitzschia pungens f. multiseries in Massachusetts Bay, Massachusetts, U.S.A. Marine Environmental Research. 37:417-423.

Roelke, D.L., S.M. Sogard. 1993. Gender-based differences in the habitat selection and activity level in the northern pipefish (Syngnathus fuscus). Copeia 2:496-500.

Roelke, D.L., G.A. Fryxell, and L.A. Cifuentes. 1993. South Korean oysters gave ASP symptoms. Harmful Algal News. 7:8-9.

Kang, S-H., G.A. Fryxell, D.L. Roelke. 1993. Fragilariopsis cylindrus (Grunow) Krieger compared with other species of the diatom Family Bacillariaceae in Antarctic marginal ice edge zones. In, Progress in Diatom Studies Contributions to Taxonomy, Ecology, and Nomenclature. Sims, P.A. (ed.). Beiheftzur Nova Hedwigia 106:335-352.

Villac, M.C., D.L. Roelke, F.P. Chavez, L.A. Cifuentes, G.A. Fryxell. 1993. Pseudonitzschia australis Frenguelli and related species from the west coast of the U.S.A.: Occurrence and domoic acid production. Journal of Shellfish Research. 12:457-465.

Villac, M.C., D.L. Roelke, T.A. Villareal, G.A. Fryxell. 1993. Comparison of two domoic acid producing diatoms: a review. Hydrobiologia. 269/270:213-224.

Roelke, D.L., M.C. Villac, G.A. Fryxell, R.D. Van Putte, K.R. Buck, and F.P. Chavez. 1992. Pseudonitzschia australis Frenguelli from Monterey Bay, California: Toxicity in the Bay and culture experiments. Canadian Technical Report of Fisheries and Aquatic Sciences. 1893:19-20.

Buck, K.R., L. Uttal-Cooke, C.H. Pilskaln, D.L. Roelke, M.C. Villac, G.A. Fryxell, L.A. Cifuentes, F.P. Chavez. 1992. Autoecology of Pseudonitzschia australis, a domoic acid producer from Monterey Bay, California. Marine Ecology Progress Series. 84:293-302.

Dickey, R.W., G.A. Fryxell, H.R. Granade, D.L. Roelke. 1992. Detection of marine toxins, okadoic acid and domoic acid, in shellfish and phytoplankton in the Gulf of Mexico. Toxicon. 30:355-359.

Wright, L.C., S.S. Bates, D.J. Douglas, S. Eddy, R. Forbes, D.L. Roelke, M.G. Scarrett. 1992. The American west coast domoic acid crisis. Proceedings of the Third Canadian Workshop on Harmful Marine Algae. 1893:51-55.

Fryxell, G.A., S.A. Garza, D.L. Roelke. 1991. Auxospore formation in the Antarctic clone Nitzschia subcurvata Hasle. Diatom Research. 6:235-245.

Fryxell, G.A., M.E. Reap, D.L. Roelke, L.A. Cifuentes, and D.L. Valencic. 1991. Confirmed presence of a neurotoxin-producing diatom around Galveston, Texas. Proceedings of the Galveston Bay Characterization Workshop. Galveston Bay National Estuary Program. GBNEP-6.