Hutchins, David - University of Southern California, USC

个人简介

B.S. Biology, Portland State University, 1987 M.S. Biology, Portland State University, 1989 Ph.D. Biology, University of California Santa Cruz, 1994

研究领域

Dave Hutchins’ research interests concern marine phytoplankton biology and nutrient and carbon cycling. In general, these projects often involve first building hypotheses based on experimental work with algal cultures in the laboratory. These hypotheses are then tested in experiments with natural communities of plankton onboard research vessels at sea. His recent and current projects include extensive investigations into the role of iron and other trace metals as biologically limiting nutrients in the ocean, and factors that affect the establishment of destructive blooms of harmful and toxic algae. New projects in regions like the Bering Sea, the North Atlantic, and the seas around Antarctica are examining the impacts of anthropogenic global change (e.g. rising CO2, acidity and temperature) on the structure and diversity of phytoplankton communities, and on the ocean nutrient cycling pathways and food webs that they support. Another ongoing project is examining the implications of increasing atmospheric CO2 for nitrogen-fixing organisms in the tropical and subtropical oceans. This new work is at the forefront of increasingly urgent efforts among the international oceanography community to understand the consequences of human fossil fuel emissions for ocean biology and chemistry, and in turn predict the potential feedbacks from these changing ocean processes to atmospheric CO2 and global climate.

近期论文

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Caron, D. A., Hutchins, D. A. (2012). The effects of changing climate on microzooplankton community structure and grazing: drivers, predictions and knowledge gaps. Journal of Plankton Research. Tatters, A. O., Schnetzer, A., Fu, F., Lie, A. Y., Caron, D. A., Hutchins, D. A. (2012). Short- versus long-term responses to changing CO2 in a coastal dinoflagellate bloom: Implications for interspecific competitive interactions and community structure. Evolution. Fu, F., Tatters, A. O., Hutchins, D. A. (2012). Global change and the future of harmful algal blooms in the ocean. Marine Ecology Progress Series. Gao, K., Helbling, E., Hader, D., Hutchins, D. A. (2012). Ocean acidification and marine primary producers under the sun: interactions between CO2, warming, and solar radiation. Marine Ecology Progress Series. Garcia, N. S., Fu, F., Breene, C. L., Yu, E., Bernhardt, P. W., Muholland, M. R., Hutchins, D. A. (2012). Combined effects of CO2 and irradiance on the unicellular N2-fixing cyanobacterium Crocosphaera watsonii: a comparison of two isolates from the Western Tropical Atlantic Ocean. The European Journal of Phycology. Demir-Hilton, E., Hutchins, D. A., Czymmek, K. J., Coyne, K. J. (2012). Description of Viridilobus marinus (Gen. et sp. nov.), a new raphidophyte from Delaware’s Inland Bays. Journal of Phycology. Vol. 48 (5), pp. 1220-1231. Matteson, A. R., Loar, S. N., Pickmere, S., DeBruyn, J. M., Elwood, M. J., Boyd, P. W., Hutchins, D. A., Wilhelm, S. W. (2012). Production of viruses during a spring phytoplankton bloom in the South Pacific Ocean near New Zealand. FEMS Microbiology Letters.. Vol. 79, pp. 709–719. King, A. L., Sanudo-Wilhelmy, S. A., Boyd, P. W., Twining, B. S., Wilhelm, S. W., Breene, C., Ellwood, M. J., Hutchins, D. A. (2012). A comparison of biogenic iron quotas during a diatom spring bloom using multiple approaches. Biogeosciences. Vol. 9, pp. 667–687. Boyd, P. W., Strzepek, R., Chiswell, S., DeBruyn, R., Ellwood, M., Keenan, S., King, A. L., Maas, E., Nodder, S., Sander, S. G., Sutton, P., Twining, B. S., Wilhelm, S. W., Hutchins, D. A. (2012). Microbial control of diatom bloom dynamics in the open ocean. Geophysical Research Letters. Vol. 39 (L18601) Tatters, A. O., Fu, F., Hutchins, D. A. (2012). High CO2 and silicate limitation synergistically increase the toxicity of a harmful bloom diatom. PLoS ONE. Vol. 7 (2), pp. e32116. Gao, K., Xu, J., Li, Y., Hutchins, D. A., Huang, B., Wang, L., Zheng, Y., Cai, X., Hader, D., Li, W., Xu, K., Liu, N., Riebesell, U. (2012). Rising CO2 and increased light exposure synergistically reduce marine primary productivity. Nature Climate Change. Vol. 2 (519-523) Garcia, N. S., Fu, F., Breene, C., Bernhardt, P. W., Mulholland, M. R., Sohm, J. A., Hutchins, D. A. (2011). Interactive effects of irradiance and CO2 on CO2- and N2 fixation in the diazotroph Trichodesmium erythraeum (Cyanobacteria). Journal of Phycology. Vol. 47, pp. 1292–1303. Hutchins, D. A. (2011). Forecasting the rain ratio. Nature. Vol. 476, pp. 41-42. Beman, M., Chow, C., King, A., Feng, Y., Fuhrman, J., Bates, N., Andersson, A., Popp, B., Hutchins, D. A. (2011). Global declines in oceanic nitrification rates as a consequence of ocean acidification. Proceedings of the National Academy of Sciences, USA.. Vol. 107 (51), pp. 000-000. Sun, J., Hutchins, D. A., Feng, Y., Seubert, E. L., Caron, D. A., Fu, F. (2011). Effects of changing pCO2 and phosphate availability on domoic acid production and physiology of the marine harmful bloom diatom Pseudo-nitzschia multiseries. Limnology and Oceanography. Vol. 56 (3), pp. 829-840. King, A. L., Sanudo-Wilhelmy, S., Karin, L., Hutchins, D. A., Fu, F. (2011). CO2 and vitamin B12 interactions determine bioactive trace metal requirements of a subarctic Pacific diatom. International Society of Microbial Ecology Journal. Vol. 5 (8), pp. 1388-1396. Hofmann, G., Barry, J., Edmunds, P., Gates, R., Hutchins, D. A., Klinger, T., Sewell, M. (2010). The effect of ocean acidification on calcifying organisms in marine ecosystems: an organism to ecosystem perspective. Annual Review of Ecology, Evolution, and Systematics. Vol. 44, pp. 127-148. Breitbarth, E., Achterberg, E., Ardelan, M., Baker, A., Buciarelli, E., Chever, F., Croot, P., Duggen, S., Gledhill, M., Hassellov, M., Hassler, C., Hoffmann, L., Hunter, K., Hutchins, D. A., Ingri, J., Jickells, T., Lohan, M., Nielsdóttir, M., Sarthou, G., Schoemann, V., Trapp, J., Turner, D., Ye, Y. (2010). Iron biogeochemistry across marine systems at changing times – conclusions from the workshop held in Gothenburg, Sweden (14 – 16 May 2008). Biogeosciences. Vol. 75, pp. 1075-1097. Fu, F., Place, A., Garcia, N., Hutchins, D. A. (2010). Effects of changing pCO2 and phosphate availability on toxin production and physiology of the harmful bloom dinoflagellate Karlodinium veneficum. Aquatic Microbial Ecology. Vol. 59, pp. 55-65. Boyd, P., Robert, S., Fu, F., Hutchins, D. A. (2010). Environmental control of open ocean phytoplankton groups: now and in the future. Limnology and Oceanography. Vol. 55, pp. 1353–1376. Feng, Y., Hare, C., Rose, J., Handy, S., DiTullio, G., Lee, P., Smith, W., Peloquin, J., Tozzi, S., Sun, J., Zhang, Y., Dunbar, R., Long, M., Sohst, B., Hutchins, D. A. (2010). Interactive effects of iron, irradiance and CO2 on Ross Sea phytoplankton. Deep-Sea Research I. Vol. 57, pp. 368-383. Hutchins, D. A., Mulholland, M. R., Fu, F. (2009). Nutrient cycles and marine microbes in a CO2-enriched ocean. Oceanography. Vol. 22, pp. 128-145. Rose, J. M., Feng, Y., DiTullio, G. R., Dunbar, R. B., Hare, C. E., Lee, P. A., Lohan, M., Long, M., Smith, W. O., Sohst, B., Tozzi, S., Zhang, Y., Hutchins, D. A. (2009). Synergistic effects of iron and temperature on Antarctic phytoplankton and microzooplankton assemblages. Biogeosciences. Vol. 6, pp. 3131-3147. Leblanc, K., Hare, C. E., Feng, Y., Berg, G. M., DiTullio, G. R., Neeley, A., Benner, I., Sprengel, C., Beck, A., Sanudo-Wilhelmy, S. A., Passow, U., Schreiber, K., Rowe, J. M., Wilhelm, S. W., Brown, C. W., Hutchins, D. A. (2009). Distribution of calcifying and silicifying phytoplankton in relation to environmental and biogeochemical parameters during the late stages of the 2005 North East Atlantic Spring Bloom. Biogeosciences. Vol. 6, pp. 2155–2179. Feng, Y., Hare, C. E., Leblanc, K., Rose, J. M., Zhang, Y., DiTullio, G. R., Lee, P. A., Wilhelm, S. W., Rowe, J. M., Sun, J., Nemcek, M., Gueguen, C., Passow, U., Benner, I., Hutchins, D. A. (2009). The effects of increased pCO2 and temperature on the North Atlantic Spring Bloom: I. The phytoplankton community and biogeochemical response. Marine Ecology Progress Series. Vol. 388, pp. 13-25.