Publications

Kowalski, J.L., D.L. Hockaday, G. H. Boza and H.R. DeYoe. 2007. Re-discovery of the tropical green macroalga, Penicillus capitatus Lamarck (Chlorophyta: Bryopsidales), in Lower Laguna Madre, Texas. Texas Journal of Science. In press.

DeYoe, H.R., E. Buskey, F. Jochem. 2007. Physiological Responses of Aureoumbra lagunensis and Synechococcus sp. to Nitrogen Addition in a Mesocosm Experiment. Harmful Algae. v.6(1): 48-55.

DeYoe, H.R., D. Hinojosa-Kettelkamp, J. Carter, A. Vasquez and K.R. Summy. 2005. Quantifying spatial distribution of wind tidal flat cyanobacterial mats using color and color infrared photography. Proceedings of 20th Biennial Workshop on Aerial Photography, Videography and High Resolution Digital Imagery for Resource Assessment.

Yousef, S., K.R. Summy, C.R. Little, A. Kuang and H. DeYoe. 2005. Detection of stressors in glasshouse crops using color infrared imagery: III. Effects of salt toxicity and nitrogen deficiency. Proceedings of 20th Biennial Workshop on Aerial Photography, Videography and High Resolution Digital Imagery for Resource Assessment, Weslaco, TX.

Summy, K.R., H.R. DeYoe, J.H. Everitt and M.R. Davis. 2004. Use of aerial color infrared photography for mapping the spatial distribution of cyanobacterial mats in wind-tidal flats of the Lower Laguna Madre, Texas. Proceedings of 19th Biennial Workshop on Color Photography, Videography and Airborne Imaging for Resource Assessment.

DeYoe, H.R. 2003. Review of "The Laguna Madre of Texas and Tamaulipas". Quarterly Review of Biiology 78(1):118.

Buskey, E., H.R. DeYoe, F. Jochem and T. Villareal. 2003. Effects of mesozooplankton removal and ammonium addition on planktonic trophic structure during a bloom of the Texas "brown tide": a mesocosm study. J. Plankton Research 25(2):215-228.

Kowalski, J.L., H. R. DeYoe, T. C. Allison, and J. E. Kaldy. 2001. Optimization of the leaf-clip technique and comparison of leaf-clip and leaf-marking techniques for productivity estimation in Halodule wrightii Aschers. Marine Ecology Progress Series. 220:131-136.

DeYoe, H.R. and D. Hockaday. 2001. Range extensions of the seaweeds Codium taylorii Silva and Caulerpa prolifera (Forsskal) Lamouroux in the lower Laguna Madre, Texas. Texas J. Science 53(2): 190-192.

DeYoe, H.R., D.A. Stockwell, R.R. Bidigare, M. Latasa, P. Johnson, P. Hargraves and C.A. Suttle. 1997. Description and characterization of the algal species Aureoumbra lagunensis gen. et sp. nov. and referral of Aureoumbra and Aureococcus to the Pelagophyceae . J. Phycology v. 33: 1042-1048.

DeYoe, H.R., A.M. Chan and C.A. Suttle. 1995. Phylogeny of Aureococcus anophagefferens and a morphologically similar bloom-forming alga from Texas as determined by 18S ribosomal RNA sequence analysis. J. Phycology 31(3):413-418.

DeYoe, H.R. and C.A. Suttle. 1994. The inability of the Texas "brown tide" alga to use nitrate and the role of nitrogen in the initiation of a persistent bloom of this organism. J. Phycology 30(5):800-806.

DeYoe, H.R., J.C. Marks, R.L. Lowe. 1992. The effect of nitrogen and phosphorus on the endosymbiont load of Rhopalodia gibba and Epithemia turgida (Bacillariophyceae). J. Phycology 28(6):773-777.

Galen, C., J.S. Shore and H.R. DeYoe.1991. Ecotypic divergence in alpine Polemonium viscosum: genetic structure, quantitative variation and local adaptation. Evolution 45(5):1218-1228.

Keithan, E.D., R. L. Lowe, H. R. DeYoe. 1988. Benthic diatom distribution in a Pennsylvania stream: The role of pH and nutrients. J. Phycology 24:581-585.

Technical Reports

DeYoe, H.R. 2007. Bahia Grande Restoration Project: 2006-07Annual Report. Prepared for the U.S. Gulf of Mexico Program.

DeYoe, H.R. 2006. Bahia Grande Restoration Project: 2005-06 Annual Report. Prepared for the U.S. Gulf of Mexico Program.

DeYoe, H.R. and R.L. Lowe. 1991. The effect of slightly elevated temperature on the benthic algal community of Douglas Lake, Michigan. Prepared for the University of Michigan Biological Station, Pellston, MI.

DeYoe, H.R. and R.L. Lowe. 1991. A water quality survey of fifteen lakes in Cheboygan and Emmet Counties, MI. Prepared for the University of Michigan Biological Station, Pellston, MI.

Binkerd, R.C., H.G. Johnston, P.C. Downey, S.C. McAvoy and H.R. DeYoe. 1983. Operational and Biological Studies: The Vermont Yankee/Connecticut River System. Prepared for Vermont Yankee Nuclear Power Corp., Brattleboro, VT.

Binkerd, R.C. and H.R. DeYoe. 1983. Water Quality Effects of Redevelopment of the Highgate Falls Hydroelectric Project. Prepared for Swanton Village Electric Light Dept., Swanton, VT.

Published Abstracts and/or Oral Presentations

DeYoe, H.R., R. Trevino, E. Bieberbach, A. Villarreal. March 2007. Water quality in the Bahia Grande following restoration of tidal flow. Presented at the Texas Academy of Science meeting in Waco, TX.

Kowalski, J.L., D.L. Hockaday, G. H. Boza and H.R. DeYoe. March 2007. Re-discovery of the tropical green macroalga, Penicillus capitatus Lamarck (Chlorophyta: Bryopsidales), in Lower Laguna Madre, Texas. Presented at the Texas Academy of Science meeting in Waco, TX.

Villarreal, A. and H.R. DeYoe. March 2007. Grazing efficiencies of three marine snails, Littorina irrorata, Anachis avara, Bulla striata from the Lower Laguna Madre, Texas. Presented at the Texas Academy of Science meeting in Waco, TX.

Bieberbach, E., R. Trevino, A. Villarreal, H.R. DeYoe and T. Whelan III. March 2006. Water quality early in the restoration of the Bahia Grande. Presented at the Texas Academy of Science meeting in Beaumont, TX.

Trevino, R., T. Whelan III and H.R. DeYoe. March 2006. A comparison of porewater ammonium levels between vegetated and unvegetated sediments. Presented at the Texas Academy of Science meeting in Beaumont, TX.

Luna, J.C., C. Martinez, T. Whelan III and H.R. DeYoe. March 2006. Bahia Grande restoration: Interim sediment results, 2005. Presented at the Texas Academy of Science meeting in Beaumont, TX.

DeYoe, H.R. and J. Kowalski. March 2006. Effect of sediment nutrient additions on seagrass growth in oligotrophic and eutrophic areas of the Lower Laguna Madre, Texas. Presented at the Texas Academy of Science meeting in Beaumont, TX.

DeYoe, H. R. and Dundar, O. October 2005. Use of the macroalgae Laurencia poiteaui as an indicator of nutrient enrichment in a Texas subtropical lagoon. Presented as the 2005 Estuarine Research Federation meeting, Norfolk, VA.

DeYoe, H.R. and J. Kowalski. April 2005. Preliminary observations of a seagrass fertilization experiment in the Lower Laguna Madre. Presented at the 2005 Bays and Estuaries meeting, Port Aransas, TX.

DeYoe, H.R., J. Kowalski, T. Whelan III, J. Luna. March 2005. Killing seagrass with drift algae: How long does it take? Presented at the Texas Academy of Science Meeting, Edinburg, TX.

Bieberbach, E., H.R. DeYoe, J. Kowalski. March 2005. Seagrass biomass and growth differences between oligotrophic and eutrophic

areas of the Lower Laguna Madre, TX. Poster presented at the Texas Academy of Science Meeting, Edinburg, TX

Trevino, R. and H.R. DeYoe. March 2005. Refinements of a sediment chlorophyll assay. Poster presented at the Texas Academy of Science Meeting, Edinburg, TX

DeYoe, H.R., B. Sanders, R. Trevino, L. Saldana. March 2005. A baseline diurnal study on the lower Rio Grande, TX. Poster presented at the Texas Academy of Science Meeting, Edinburg, TX

DeYoe, H.R., D. Camacho, T. Whelan III and J. Kowalski. March 2004. Effect of drifting seaweed on seagrass survival in the Laguna Madre, TX. Presented at the Texas Academy of Science Meeting, Kerrville, TX.

Dundar, O. and DeYoe, H.R.. March 2004. Use of tissue nutrient content of the macroalga Laurencia poiteaui to detect eutrophication in the Laguna Madre, TX. Presented at the Texas Academy of Science Meeting, Kerrville, TX.

Saldana, L. and DeYoe, H.R. March 2004. Epiphyte load on artificial seagrass blades in the Laguna Madre, TX. Presented at the Texas Academy of Science Meeting, Kerrville, TX.

Camacho, D., T. Whelan III, H. DeYoe and M. CottaGoma. March 2004. Hydrogen sulfide in pore waters of a Thalassia testudinum meadow in the Lower Laguna Madre. Presented at the Texas Academy of Science Meeting, Kerrville, TX.

Yoshida, Y. J., Reynoso, T. Whelan III, M. Cotta Goma, H.R. DeYoe. March 2004. Trace metals in epiphytes associated with Thalassia testudinum leaves. Presented at the Texas Academy of Science Meeting, Kerrville, TX.

Cotta Goma, M. T. Whelan III, D. Camacho and H. DeYoe. March 2004. Physiological responses of Thalassia testudinum to trace metal exposure. Presented at the Texas Academy of Science Meeting, Kerrville, TX.

Allen Gilpin, C. and H. DeYoe. March 2004. Comparison of epiphytic diatom communities on marine seagrass Halodule wrightii in the Lower Laguna Madre below sewage outfall. March 2004. Presented at the Texas Academy of Science Meeting, Kerrville, TX.

Summy, K.R., H. DeYoe, J.H. Everitt and M.R. Davis. October 2003. Use of aerial color infrared imagery for mapping the spatial distribution of cyanobacterial mats on wind tidal flats of the lower Laguna Madre, Texas. 19th Biennial Workshop on Color Photography, Videography and Airborne Imaging for Resource Assessment, Logan, Utah.

DeYoe, H.R. T. Whelan III, K.R. Summy. April 2003. Quantification of cyanobacterial mats: From chlorophyll analysis to remote sensing. Presented at the Gulf Estuarine Research Society Meeting in Port Aransas, TX.

DeYoe, H.R. T. Whelan III, K.R. Summy. March 2003. Wind tidal flat algal mats: Their importance and quantification. Presented at the Texas Academy of Science Meeting, Nacogdoches, TX.

DeYoe, H.R., J.L. Kowalski, C. Onuf. August 2002. Spatial and temporal characterization of drifting macroalgae in a subtropical Texas lagoon. Presented at Botany 2002 Meeting in Madison, WI.

DeYoe, H.R. March 2002. Probing a long-term water quality dataset for the lower Rio Grande/Rio Bravo. Presented at the Texas Academy of Science Meeting. Laredo, TX

DeYoe, H.R. July 2001. River plankton and water quality of the Lower Rio Grande/Rio Bravo, Texas, USA. Presented at the 55th Phycological Society of America meeting.

DeYoe, H.R. and Cerrate-Reinoso, L. March 2001. Nutrient competition between two microalgae. Presented at the Texas Academy of Science Meeting, San Marcos, TX.

DeYoe, H.R., E. Buskey, F. Jochem, and T.A. Villareal. July 2000. Effect of nitrogen addition on a mixed species phytoplankton bloom. Presented at the 54th Phycological Society of America meeting.

DeYoe, H.R., J. Kowalski, C. Gilpin, C. Pederson, T. Allison. March 2000. Epiphyte load on artificial seagrass leaves in the vicinity of sewage treatment plant outfalls. Presented at the Texas Academy of Science meeting, Kingsville, TX.

DeYoe, H.R., C. Guajardo, M. Cox and G. Schlaefer. March 2000. Water quality and phytoplankton of the lower Rio Grande upstream and downstream of an urban area. Presented at the Texas Academy of Science meeting, Kingsville, TX.

Buskey,E., H.R. DeYoe, F. Jochem,, T.A. Villareal, C. Hyatt, L. Hyde. January 2000. Effects of mesozooplankton removal on trophic structure during a bloom of the Texas "brown tide": a mesocosm study. Presented at the American Society of Limnologists and Oceanographers meeting.

DeYoe, H.R. August 1999. Ammonium uptake in Aureoumbra lagunensis, the Texas brown tide alga. Presented at the XVI International Botanical Congress, St. Louis, Missouri.

DeYoe, H.R. December 1997. Wind tidal flat algal mats in south Texas: Who Cares? Presented at the Lower Laguna Madre Foundation Education Day. Brownsville, Texas.

DeYoe, H. R. April 1996. Physiology and phylogeny of the Texas brown tide alga. Invited seminar. Bigelow Laboratory for Ocean Sciences, West Boothbay Harbor, Maine.

DeYoe, H.R. February 1996. Unusual nitrogen pathways of two algae. Invited seminar. University of Texas- Pan American, Edinburg Texas.

DeYoe, H.R. 1995. Nitrogen as a factor in the initiation of the Texas brown tide and the role of the Corpus Christi Bay National Estuary Program. Gulf of Mexico Program Symposium, Corpus Christi, Texas.

DeYoe, H.R. 1995. The possible role of a natural nitrogen input in the initiation of the Texas brown tide. EPA Coastal Technology Transfer Conference, New Orleans, LA.

DeYoe, H.R. and C.A. Suttle. 1994. A persistent bloom-forming alga that cannot use nitrate-nitrogen. Abs. Phycol. Soc. Am./Am. Soc. Limnol. Oceanogr., Miami, FL.

DeYoe, H.R., A.M. Chan and C.A. Suttle. 1994. Phylogeny of Aureococcus anophagefferens and a morphologically similar bloom-forming alga from Texas as determined by 18S rDNA sequence analysis. Abs. Phycol. Soc. Am./Am. Soc. Limnol. Oceanogr.,Miami, FL.

DeYoe, H.R. and C.A. Suttle. 1994. A persistent bloom-forming alga that cannot use nitrate-nitrogen. 6th Annual South Texas Bays and Estuaries Meeting, University of Texas Marine Science Institute, Port Aransas, TX.

DeYoe, H.R. 1993. The Texas "brown tide" alga: Its inability to use nitrate-nitrogen and further comparisons with the east coast "brown tide" alga (Aureococcus anophagefferens). Invited seminar, University of Texas Marine Science Institute, Port Aransas, TX.

DeYoe, H.R. 1990. The effect of light intensity on the photosynthetic apparatus of the endosymbiont of Rhopalodia gibba. Abs. Phycol. Soc. Am., University of Maryland, College Park, MD.

DeYoe, H.R. and G.S. Bullerjahn. 1989. Confirmation of the cyanobacterial nature of the endosymbiont of Rhopalodia gibba and the effect of nitrate-nitrogen on the presence of the endosymbiont. Abs. Phycol. Soc. Am., University of Toronto, Toronto, Ontario.

DeYoe, H.R. 1981. Algal seasonal succession in eutrophic Shelburne Pond, VT. Invited seminar, University of Vermont, Burlington, VT.

Professional Service

Member of the Edinburg Environmental Advisory Board, April 2007-present.

President-Elect of the Texas Academy of Science. March 2006-2007.

Member of the Seagrass Monitoring Workgroup, 2004-present.

Member of Lower Nueces-Rio Grande Coastal Basin steering committee. August 2003-present.

Chair of Local Organizing Committee for 2005 Texas Academy of Sciences annual meeting. March 2003-2005.

Academic Director and Board member of the Texas Academy of Science. March 2003-2005.

Invited member of NERR Site Selection Committee and Evaluation Subcommittee, 2002-present.

Member of Core Planning Team for Rio Grande Valley EPA Environmental Education Program, 2001-present.

Member of Phycological Society of America Bold Award Committee, 2000-present.

Invited participant to Texas Parks & Wildlife Dept. Seagrass Monitoring Workshop. August 14-15, 2000.

Member of Science Exhibit Planning Committee for McAllen International Museum. July 2000-present.

Environmental counsel to the city of Edinburg, Texas. October 1997-present.

Ex-officio member of the Science and Technical Advisory Committee of the Corpus Christi Bay National Estuary Program, September 1996-present.

Invited participant in Workshop One: Management and Mitigation of Harmful Algal Blooms in Coastal Waters, Port Aransas, TX sponsored by National Fish & Wildlife Foundation and the National Oceanic & Atmospheric Administration, August 1996.

Multiple proposal review for New York Sea Grant Institute, April 1996.

Proposal review for National Science Foundation, Biological Oceanography, October 1995.

Invited participant in Brown Tide Summit meeting, Islip, NY sponsored by NY Sea Grant and Peconic Estuary Program, October 20-21, 1995.

Proposal review for Texas Sea Grant College Program, January 1995.

Skills and Special Training

Light and Electron Microscopy (TEM and SEM), Algal Culture and Taxonomy, Polymerase Chain Reaction, Cloning, DNA sequencing, Starch Gel Electrophoresis, Quality Assurance/Quality Control and Spanish (intermediate level)

Molecular Probes in Marine Ecology, Marine Biological Laboratory, 6-7/89.

Professional Associations

Phycological Society of America

Estuarine Research Federation

Texas Academy of Sciences