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RIO Arctic River Discharge, continued A significant increase the Arctic Ocear : off the formation v.vater flow to }wn or shut :3ntic Deep Water. The drivir ! -ehind the great underwater " -sit" current known as thermoh.- circuL amounts c Nation. Thermohaline risible for moving great mal energy around the globe, influencing the planet's climate. One of the potential effects could be cooling of Northern Europe. Data analyzed in this study, published in the December 13, 2002, issue of Science magazine, is important because it represents net precipitation (precipitation minus evapotranspiration) over a vast area, in contrast to point measurements of precipitation and evapotranspiration which are difficult to extrapolate to a large area. "These data are a unique measure of an environmental trend both in terms of how long the time series is and in that it integrates over a vast area rather than just measuring a precipitation trend at a few locations," says co-author Stefan Rahmstorf of the Potsdam Institute for Climate Impact Research. Project scientists are hopeful that this study, which links the work of hydrologists and oceanographers, will stimulate the two fields of science to better communicate their scientific findings with each other. The group will focus their future work on the links between the atmospheric, continental, and oceanic components of the Arctic hydrologic cycle and on the biogeochemical tracers that allow scientists to follow the circulation of riverine freshwater throughout the northern oceans. This research is needed to better understand the current functioning of the linked landocean-atmosphere hydrologic system and improve confidence in predictions of the future behavior of the vvstem. Staff | RESEARCH STAFF Toby Ahrens, Research Assistant Michele P. Bahr. Research Assistant Jonathan P. Benstead, Postdoctoral Scientist Neil D. Bettez. Research Assistant Zy F. Biesinger, Research Assistant Mary S. Booth, Postdoctoral Scientist Laura C. Broughton, Postdoctoral Scientist Donald W. Burnette, Research Assistant Elizabeth H. Burrows, Research Assistant Alvarus S. K. Chan. Postdoctoral Scientist Benjamin P. Colman, Research Assistant Christopher P. Crockett, Research Assistant Byron Crump, Postdoctoral Scientist Jeffrey A. Evans, Research Assistant Benjamin Felzer, Research Associate Solange Filoso, Postdoctoral Scientist Robert H Garritt, Research Assistant Marcus O. Gay, Research Assistant Joshua H. Goldstein, Research Assistant Adrian C- Green, Research Assistant Heather Haas, Postdoctoral Scientist Diana C Garcia-Montiel, Staff Scientist Darrell A. Herbert, Staff Scientist Robert M. Holmes, Staff Scientist Shaomin Hu, Research Assistant Jeffrey E. Hughes, Staff Scientist Samuel Kelsey, Research Assistant David W. Kicklighter, Research Associate Bonnie L- Kwiatkowski, Research Assistant James A Laundre, Research Assistant Corey R. Lawrence, Research Assistant John M. Logan, Research Assistant Ann L. Lezberg, Research Assistant Heidi Lux, Research Assistant Roxanne Marino, Staff Scientist James W McClelland, Postdoctoral Scientist Patricia Micks, Research Assistant Sarah Morrisseau. Research Assistant Marshall L Otter. Research Assistant Suzanne Randazzo, Research Assistant Heather M. Rueth, Postdoctoral Scientist Diane M Sanzone, Postdoctoral Scientist Carol Schwamb, Laboratory Assistant Karie A. Slavik, Research Assistant Martin Sommerkom, Postdoctoral Scientist Erica L. Stieve, Research Assistant Kristin S. Tholke, Research Assistant Suzanne M Thomas, Research Assistant Craig R. Tobias, Postdoctoral Scientist Jane Tucker. Research Assistant Zhenwen Wan, Postdoctoral Scientist Ian J. Washboume, Research Assistant Michael R Williams, Postdoctoral Scientist Yuriko Yano, Postdoctoral Scientist Qianlai Zhuang, Postdoctoral Scientist ADJUNCT SCIENTISTS Robert W. Howarth, Cornell University Paul A. Colinvaux. Smithsonian Tropical Research Institute (retired) VISITING SCIENTISTS James Galloway, University of Virginia Robert Naiman, University of Washington ADMINISTRATIVE STAFF Kenneth H. Foreman, Associate Director, Semester in Environmental Science Program Dorothy J Berthel, Administrative Assistant Anthony J Cave, Research Administrator Suzanne J Donovan, Executive Assistant Frances Johnson-Horman, Administrative Assistant Guillermo Nunez. Research Administrator Deborah G Scanlon, Executive Assistant Mary Ann Seifert, Administrative Assistant CONSULTANTS Francis P. Bowles, Research Designs Margaret C. Bowles Boardwalks protect vegetation from disturbance at research sites in the Arctic heath and mountain birch ecosystem around the Abisko Naturvetenskapliga Station in northern Sweden. Plots shown here are part of a pilot 1 993 at soil-warming project begun dunng Abisko, Rose Crabtree A researcher from . .';: . osystems Center collects water from a stream in the Ipswich River watershed in the Plum Island Ecosystem Long Term Ecological Research site in northeastern Massachusetts. Investigators study different land uses and their impacts on nutrient loading into the estuaries of Plum Island Sound.
Rll The Ecosystems Center's Long-Term Ecological Research site at Toolik Lake, Alaska, Knute Nadelhoffer Publications Barren, S., C. F. Weber, R. Marino, E. A. Davidson, G. Tomasky, and R. W. Howarth. 2002. Effects of varying salinity on phytoplankton growth in a low-salinity coastal pond under two nutrient conditions. Bfol. Bull. 203: 260-261 . Bashkln, V. N., and R. W. Howarth. 2002. Modern Biogeochemistry. Kluwer, Dordrecht. S61 pp. Bettez, N., P. Rublee, W. J. O'Brien, and M. C. Miller. 2002. Changes in abundance, composition and cont rols within the plankton of a fertilized arctic lake. Freshw. Bio/. 47: 303-311. Boyer, E. W., and R. W. Howarth, eds. 2002. Global and Regional Synthesis of the Nitrogen Cycle. Kluwer, Dordrecht. 561 pp. Boyer, E. W., C. L Goodale, N. A. Jaworski, and R. W. Howarth. 2002. Anthropogenic nitrogen sources and relationships to riverine nitrogen export in the northeastern U.SA Biogeochemistry 57/58: 137-169. Bret-Harte, M. S., G. R. Shaver, and F. S. Chapin, III. 2002. Primary and secondary stem growth in arctic shrubs: implications for community response to environmental change. J.Ecol. 90:251-267. Bush, M. B., M. C. Miller, P. E. De Oliveira, and P. A. Colinvaux. 2002. Orbital forcing signal in sediments of two Amazonian lakes. J. Paleolimnol . 27: 341-352. Clein, J. S., A. D. McGuire, X. Zhang, D. W. Kicklighter, J. M. Mellllo, S. C. Wofsy, P. G. Jarvis, and J. M. Massheder. 2002. Historical and projected carbon balance of mature black spruce ecosystems across North America: the role of carbon-nitrogen interactions. Plant Soil 242:15-32. Currle, W. S., and K. J. Nadelhoffer. 2002. The Imprint of land use history: patterns of carbon and nitrogen in downed woody debris at the Harvard Forest. Ecosystems 5:446-460. Currie, W. S., K. J. Nadelhoffer, and B. Colman. 2002. Long-term movement of 1 5N tracers Into fine woody debris under chronically elevated N inputs. Plant Soil 238: 31 3-323. Dargaville, R. J., M. Heimann, A. D. McGuire, I. C. Prentice, D. W. Kicklighter, F. Joos, J. S. Clein, G. Esser, J. Foley, J. Kaplan, R. A. Meier, J. M. Melillo, B. Moore III, N. Ramankutty, T. Reichenau, A. Schloss, S. Sitch, H. Tian, L. J. Williams, and U. Wittenberg. 2002. Evaluation of terrestrial carbon cycle models with atmospheric C0 2 measurements: results from transient simulations considering increasing CO , climate and land-use effects. Global Biogeochem. Cycles 16: 1092. DOI:10.1029/ 2001 GM001 426. Deegan, L. A. 2002. Lessons learned: the effects of nutrient enrichment on the support of nekton by seagrass and salt marsh ecosystems. Special SCOR Volume. Estuaries 25: 727-742. Deegan, L. A., A. Wright, S. G. J. Ayvazian, T. Finn, H. Golden, R. R. Merson, and J. Harrison. 2002. Nitrogen loading alters seagrass ecosystem structure and support of higher trophic levels. Freshw. Ecosyst. 12: 193-212. Aquat. Conserv. Mar. Driscoll, C, D. Whitall, J. Aber, E. Boyer, M. Castro, C. Cronan, C. Goodale, P. Groffman, K. Lambert, G. Lawrence, C. Hopkinson, and S. OHinger. 2002. Nitrogen Pollution: From the Sources to the Sea. Science Links - Hubbard Brook Research Foundation, Hanover, NH. Felzer, B. S., D. W. Kicklighter, J. M. Mellllo, C. Wang, Q. Zhuang, and R. G. Prlnn. 2002. Ozone Effects on Net Primary Production and Carbon Sequestration In the Conterminous United States Using a Biogeochemistry Model. Report No. 90, MIT Joint Program on the Science and Policy of Global Change, Cambridge, MA. Garcia-Montiel, D. C. 2002. Legacy of human activity in the present neotropical forests. Pp. 97- 1 16 in Ecology and Conservation of Neotropical Forests, M.R. Guariguata and G.H. Kaftan, eds. Libro Universitario Regional, Cartago, Costa Rica, (In Spanish) . Garcia-Montiel, D. C., J. Melillo, P. A. Steudler, and C. Neill. 2002. Relationship between N 2 O and C0 ; emissions from the Amazon Basin. Geophys. Res. Lett. 29: 14.1 -14.3. Goodale, C. L., K, Lajtha, K. J. Nadelhoffer, E. W. Boyer, and N. A. Jaworski. 2002. Forest nitrogen sinks in large eastern U. S. watersheds: inventory and modeled estimates. Biogeochemistry 57/58: 239-266. Gough, L., P. A. Wookey, and G. R. Shaver. 2002. Dry heath arctic tundra responses to long-term nutrient and light manipulation. Arct. Antarct. Alp. Res. 34:211-218. Grams, T. E. E., A. R. Kozovits, I. M. Reiter, J. B. Winkler, M. Sommerkorn, H. Blaschke, K.-H. Haberle, and R. Matyssek. 2002. Quantifying competitiveness in woody plants. Plant Biol. 4: 153-158. Hobbie, S. E., K. J. Nadelhoffer, and P. Hogberg. 2002. A synthesis: the role of nutrients as constraints on carbon balances in boreal and arctic regions. Plant Soil 242: 163-170. Continued...
Page 1 and 2: MBL annual report 2002 MARINE BIOLO
Page 3 and 4: Rl TABLE OF CONTENTS R2 REPORT OF T
Page 5 and 6: | Other R3 The importance of resear
Page 7 and 8: I | R5 | Education MBL/WHOI Library
Page 9 and 10: R7 research Throughout its history,
Page 11: . R9 Robert Holmes at the Yem'sey R
Page 15 and 16: A. Shiklomanov, D R13 Steudler, A P
Page 17 and 18: R15 editing results in the post-tra
Page 19 and 20: R17 ARCHITECTURAL DYNAMICS IN LIVIN
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Page 23 and 24: R21 MARINE RESOURCES CENTER PROGRAM
Page 25 and 26: | Program . R23 in Scientific Aquac
Page 27 and 28: R25 Rat cardiac muscle cell. Peter
Page 29 and 30: R27 LABORATORY OF AQUATIC BIOMEDICI
Page 31 and 32: I R29 LABORATORY OF NORMAN WAINWRIG
Page 33 and 34: R3I SUMMER AND VISITING RESEARCHERS
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Page 37 and 38: R35 John K. Douglass, Ph.D. Univers
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Page 47 and 48: R45 SUMMER COURSES Biology of Paras
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Page 51 and 52: R49 Handley, Heather. Woods Hole Oc
Page 53 and 54: R51 LECTURERS Medical Informatics I
Page 55 and 56: R53 Prober, David, University of Wa
Page 57 and 58: R55 OTHER EDUCATIONAL PROGRAMS Mari
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R61 COUNTRIES REPRESENTED Cyanobact
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R63 mbl/whoi library REPORT OF THE
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| Our R65 LIBRARY READERS Courses L
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R67 In summary, was it a challengin
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I would R69 gifts REPORT OF THE DEV
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R7I SPECIAL GIFTS Other Gifts Ameri
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R73 Mrs Fredenk B Bang Woods Hole,
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R75 Ralph and Muriel Mitchell Cambr
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R77 Annual Fund Volunteers Chairman
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R79 ALUMNI FUND 2002 ALUMNI RELATIO
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I I Daniel I Frederik I | Bernard I
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| I | | | | In | | | | | | | MEMORI
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R85 governance & administration BOA
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I R87 CORPORATION Life Members Dr E
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R89 Dr Richard Allen Fluck, Frankli
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Ph University R9I Dr William N Ross
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R93 ASSOCIATES EXECUTIVE BOARD Ruth
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R95 COUNCIL OF VISITORS The purpose
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R97 ADMINISTRATIVE SUPPORT STAFF 1
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