It is a good thing, perhaps to write for the amusement of the public, but it is a far higher and nobler thing to write for their instruction--their profit-- their actual and tangible benefit.      ~Mark Twain, 1863

Addy, K. L., A. J. Gold, P. M. Groffman, and P. A. Jacinthe. 1999. Groundwater nitrate removal in forested and mowed riparian buffer zones. J. Environ. Qual. 28:962-970.

Alewell, C., M. J. Mitchell, G. E. Likens, and H. R. Krouse. 1999. Sources of stream sulfate at the Hubbard Brook Experimental Forest: Long-term analyses using stable isotopes. Biogeochemistry 44:281-299.

Bedford, B. L. 1999. Cumulative effects on wetland landscapes: links to wetland restoration in the United States and Southern Canada. Wetlands 19(4):775-788.

Bedford, B. L., D. J. Leopold, and J. Gibbs. 2001. Wetlands ecosystems. pp. 781-804. In: (S. A. Levin, ed.) Encyclopedia of Biodiversity, Volume 5. Academic Press, New York.

Bedford, B. L., M. R. Walbridge, and A. Aldous. 1999. Patterns in nutrient availability and plant diversity of temperate North American wetlands. Ecology 80(7):2151-2169.

Berger, T. W., and G. E. Likens. 1999. Effects of acid anion additions (trifluoroacetate and bromide) on soil solution chemistry of a northern hardwood forest soil. Water Air Soil Pollut. (in press).

Bohlen, P. J., P. M. Groffman, C. T. Driscoll, T. J. Fahey and T. G. Siccama. 2000. Plant-soil-microbial interactions in a northern montane hardwood forest. Ecology, in press.

Buso, D. C., G. E. Likens and J. S. Eaton. 1999. Long-term data on chemistry of precipitation, stream water and lake water from the Hubbard Brook Ecosystem Study: a record of sampling protocols and analytical procedures. USDA Forest Service (in press).

Cadenasso, M., Pickett, S.T.A., K.C. Weathers. 2000. Effects of edges and boundaries on the flux of nutrients, detritus, and organisms. In: Food webs and the landscape level. G. Polis and M. Power, eds. University of Chicago Press. In press.

Campbell, J. L., J. W. Hornbeck, W. H. McDowell, D. C. Buso, J. B. Shanley, and G. E. Likens. 1999. Dissolved organic nitrogen budgets for upland, forested ecosystems in New England. Biogeochemistry (in press).

Caraco, N. F., and J. J. Cole. 1999. Human impact on nitrate export: an analysis using major world rivers. Ambio 28(2):167-170.

Caraco, N. F., and J. J. Cole. 1999. Regional-scale export of C, N, P and sediment: what river data tell us about key controlling variables. pp. 239-253. In: J. D. Tenhunen and P. Kabat (eds.). Integrating Hydrology, Ecosystem Dynamics and Biogeochemistry in Complex Landscapes. J. Wiley & Sons Ltd.

Caraco, N.F., J.J. Cole, S.E.G. Findlay, D.T. Fischer, G.G. Lampman, M.L. Pace, D.L. Strayer. 2000. Dissolved oxygen declines in the Hudson River associated with the invasion of the zebra mussel (Dreissena polymorpha). Environ. Sci. Tech. 34: 1204-1210.

Carpenter, S. R., J. F. Kitchell, J. J. Cole, and M. L. Pace. 1999. Predicting responses of chlorophyll and primary production to changes in phosphorus, grazing, and dissolved organic carbon (Reply to comment by Nornberg). Limnol. Oceanogr. 44:1179-1182.

Chadwick, O.A., L.A. Derry, P.M. Vitousek, B.J. Huebert, and L.O. Hedin. 1999. Changing sources of nutrients during four million years of ecosystem development. Nature 397:491-497.

Christ, M. J., C. T. Driscoll, and G. E. Likens. 1999. Watershed- and plot-scale tests of the mobile anion concept. Biogeochemistry (in press).

Cleveland CC, Townsend AR, Schimel DS, Fisher H, Howarth RW, Hedin LO, Perakis SS, Latty EF, von Fischer JC, Elseroad A, and Wasson MF. 1999. Global patterns of terrestrial biological nitrogen (N2) fixation in natural ecosystems. Global Biogeochemical Cycles 13: 623-645.

Cole J. J. 1999. Aquatic microbiology for ecosystem scientists: new and recycled paradigms in ecological microbiology. Ecosystems 2:215- 225.

Cole, J. J. 1999. Microbial carbon cycling in pelagic ecosystems: microbial methods for ecosystem scientists. Chapter 1.9. In: O. Sala, R. Jackson, H. A. Monney, and R. Howarth (eds.). Methods in Ecosystem Science. Springer-Verlag (in press).

Cole, J.J., M.L. Pace, S.R. Carpenter, and J.F. Kitchell. 2000. Persistence of net heterotrophy in lakes during nutrient addition and food web manipulation. Limnol. Oceanog. 45: 1718-1730.

Connors, L.M., E. Kiviat, P.M. Groffman and R.S. Ostfeld. 2000. Muskrat (Ondata zibethicus) disturbance to vegetation and potential net nitrogen mineralization and nitrification rates in a fresh-tidal marsh. American Midland Naturalist 143:53.63.

Corredor, JE, Howarth RW, Twilley RR, and Morell JM. 1999. Nitrogen cycling and anthropogenic impact in the tropical inter American seas. Biogeochemistry 46: 163-178.

Corso T.N. and J. T. Brenna. Invited: Online Pyrolysis of Hydrocarbons Coupled to High-Precision Carbon Isotope Ratio Analysis., Analytica Chimica Acta, 1999, 397: 217-224.

Cramer, J., T.J. Fahey and J.J. Battles. 2000. Patterns of leaf mass, area and nitrogen in young northern hardwood forests. Am. Midl. Nat. 144:253-264.

Crawford, R.M.M. and D.W. Wolfe. 1999. Temperature: cellular to whole plant and population responses. IN: Luo, Y. and H.A. Mooney (eds) Carbon Dioxide and Environmental Stress. Academic Press, San Diego, CA Chap. 3, pp. 61-106.

Dees, P. M., and W. C. Ghiorse. 1999. The value of DGGE for analysis of community diversity in hot compost. Abst. Amer. Soc. Microbiol Conference on Microbial Biodiversity. Chicago, IL Aug 5-8, 1999.

del Giorgio, P. A., and J. J. Cole. 1999. Bacterial growth efficiency and energetics. Chapter 10. In: D. L. Kirchman (ed). Microbial Ecology of the Oceans. Plenum Press (in press).

del Giorgio, P. A., J. J. Cole, N. F. Caraco, and R. H. Peters. 1999. Linking planktonic biomass structure to plankton metabolism and net gas flux in northern temperate lakes. Ecology 80(4):1422-1431.

Derry L. A., A bifurcation model for atmospheric O2 growth. Proc. ICOG 2000, 4 pp, accepted.

Dong, D., Y. M. Nelson, L. W. Lion, M. L. Shuler, and W. C. Ghiorse. 1999. Adsorption of Pb and Cd onto metal oxides and organic material in natural surface coatings as determined by selective extractions: New evidence for the importance of Mn and Fe oxides. Water Research (Accepted).

Downing, JA, McClain M, Twille R, Melack JM, Elser J, Rabalais NN, Lewis WM, Turner RE, Corredor J, Soto D, Yanez-Arancibia A, Duarte, C., S. Agusti, P. A. del Giorgio. and J. J. Cole. 1999 11 June. Is the open ocean heterotrophic? Online Science 284:1735b. Available via the Internet at www.sciencemag.org/cgi/reprint/284/5421/1735b.pdf.

Eaglesham, B., Y Nelson, L. Lion, M. Shuler and W. Ghiorse. 1999. Development of Light and Electron Microscope Methods for Study of the Microscale Distribution of Heavy Metal Adsorption Sites in Cayuga Lake Biofilms. Abst. for the 1999 International Symposia for Environmental Biogeochemistry. Ontario, Canada. Sep 26- Oct 1, 1999.

Filippelli, G. M., Carnahan, J. C., Derry, L. A. & Kurtz, A. C. (2000) Terrestrial paleorecords of Ge/Si cycling derived from lake diatoms. Chemical Geology, 168, 9-26.

Fisher, T. R., D. Correll, R. Costanza, J. T. Hollibaugh, C. S. Hopkinson, R. W. Howarth, N. N. Rabalais, J. E. Richey, C. Vorosmarty, and R. Wiegert. 2000. Synthesizing drainage basin inputs to coastal systems. Pages 81-101 in: Hobbie, J. E., (editor), Estuarine Synthesis: The Next Decade. Island Press, Washington, DC.

Fisk, M.C. and T.J. Fahey. 2000. Microbial biomass and nitrogen cycling responses to fertilization and litter removal in young northern hardwood forests. Biogeochemistry, in press.

Frank, D.A., P.M. Groffman, R.D. Evans and B.F. Tracy. 2000. Ungulate stimulation of nitrogen cycling in Yellowstone Park Grasslands. Oecologia 123:116-123.

Findlay, S., and W. V. Sobczak. 1999. Microbial Communities in Hyporheic Sediments. pp. 287-306. In: J. B. Jones and P. J. Mulholland (eds.). Surface-subsurface Interactions in Streams. Academic Press (in press).

Ghiorse, W. C., B. S. Eaglesham, and R. Garen. 1999. Survey of presumptive iron-oxidizing bacteria in a deep South African gold mine. Abst. 1999 Meet. Intl. Symp. Microbial Ecol. Vail, CO.

Groffman, P. M. 1999. Carbon additions increase nitrogen availability in northern hardwood forest soils. Biol. Fertil. Soils 29:430-433.

Groffman, P.M. Nitrogen in the Environment. 1999. Pages C190-200 In Handbook of Soil Science (M. Sumner et al., editor). CRC Press, Boca Raton, FL USA.

Groffman, P. M., and P. J. Bohlen. 1999. Soil and sediment biodiversity: cross-system comparisons and large scale effects. BioScience 49:139-148.

Groffman, P.M., R. Brumme, K. Butterbach-Bahl, K.E. Dobbie, A.R. Mosier, D. Ojima, H. Papen, W.J. Parton, K.A. Smith and C. Wagner-Riddle. 2000. Evaluating annual nitrous oxide fluxes at the ecosystem scale. Global Biogeochemical Cycles. In press.

Groffman, P.M., A.J. Gold and K. Addy. 2000. Nitrous oxide production in riparian zones and its importance to national emission inventories. Chemosphere - Global Change Science 2:291-299.

Groffman, P.M. and C.G. Jones. 2000. Soil invertebrates in ecosystems: Do they matter to global change? Pages 313-326. In Webmasters in Ecosystems (D.C. Coleman and P.F. Hendrix, editors). CABI Publishing, Wallingford, Oxon, UK.

Groffman, P. M., and C. G. Jones. 1999. Soil processes and global change: will invertebrates make a difference? In: D. Coleman (ed.). Arthropods as Webmasters in Ecosystems. (in press).

Groffman, P.M., J. P. Hardy, S. Nolan, C.T. Driscoll and T.J. Fahey. 1999. Snow depth, soil frost and nutrient loss in a northern hardwood forest. Hydrological Processes 13:2275-2286.

Groffman, P.M., E. Holland, D.D. Myrold, G.P. Robertson and X. Zou. 1999. Denitrification. Pages 272-288 In Standard Soil Methods for Long Term Ecological Research (G.P. Robertson, C.S. Bledsoe, D.C. Coleman and P. Sollins, editors). Oxford University Press, New York.

Hogan, K and K.C. Weathers. Psychological and ecological perspectives on the development of systems thinking: In: Understanding urban ecosystems: A new frontier for science and education. A. Berkowitz, K. Holweg and C. Nilon (eds). Springer-Verlag. In press.

Holland, E.A., R. Boone, J. Greenberg, P.M. Groffman and G.P. Robertson. 1999. Measurement of Soil CO2, N2O and CH4 exchange. Pages 185-201. In Standard Soil Methods for Long Term Ecological Research (G.P. Robertson, C.S. Bledsoe, D.C. Coleman and P. Sollins, editors). Oxford University Press, New York.

Hall, Jr., R. O., and G. E. Likens. 1999. Ecological implications of high discharge variability in streams of the Hubbard Brook Experimental Forest. Verh. Internat. Verein. Limnol. (in press).

Hedin, L.O. Nutrient deposition to ecosystems. In Methods in Ecosystem Science, Sala,, O., R. B. Jackson, H. A. Mooney, and R. W. Howarth (Eds.). Springer Verlag, New York, N.Y. 2000 (In press).

Holmes, R. T., and G. E. Likens. 1999. Organisms of Hubbard Brook Valley, New Hampshire. USDA Forest Service, Northeastern Research Station, General Tech. Report NE-257. 32 pp.

Howarth, R. W. 2001. The Nitrogen Cycle. Encyclopedia of Global Environmental Change, in press.

Howarth, R. W., D. Anderson, J. Cloern, C. Elfring, C. Hopkinson, B. Lapointe, T. Malone, N. Marcus, K. McGlathery, A. Sharpley, and D. Walker. 2000. Nutrient pollution of coastal rivers, bays, and seas. Issues in Ecology 7: 1-15.

Howarth, RW, Chan F, and Marino R. 1999. Do top-down and bottom-up controls interacat to exclude nitroge-fixing cyanobacteria from the plankton of estuaries? An exploration with a simulation model. Biogeochemistry 46: 203-231.

Howarth, R. W., N. Jaworski, D. Swaney, A. Townsend, and G. Billen. 2000. Some approaches for assessing human influences on fluxes of nitrogen and organic carbon to estuaries. Pages 17-41 in: Hobbie, J. E., (editor), Estuarine Synthesis: The Next Decade. Island Press, Washington, DC.

Howarth, R.W., and A. F. Michaels. 2000. The measurement of primary production in aquatic ecosystems. Pages 72-85 in: O. Sala, R. Jackson, H. Mooney, and R. W. Howarth (eds.), Methods in Ecosystem Science, Springer, NY.

Howarth, R. W., D. Swaney, T. J. Butler, and R. Marino. 2000. Climatic control on eutrophication of the Hudson River estuary. Ecosystems 3: 210-215.

Johnson, C. E., C. T. Driscoll, T. G. Siccama, and G. E. Likens. 1999. Element fluxes and landscape position in a northern hardwood forest watershed-ecosystem. Ecosystems (in press).

Joyce, L. A., J. J. Landsberg, M. Stafford Smith, J. BenAsher, J. R. Doria Cavazos, K. Lajtha, G. E. Likens, A. Perevolotsky, and U. Safriel. 1999. Ecosystem-level consequences of management options. pp. 97-116. In: T. W. Hoekstra and M. Shachak (eds.). Arid Lands Management--Toward Ecological Sustainability. University of Illinois Press, Urbana-Champaign, IL.

Kopask JA, and Howarth RW. 1999. The impact of accelerating land-use change on the N-cycle of tropical aquatic ecosystems: Current conditions and projected changes. Biogeochemistry 46: 109-148.

Kurtz A. C., Derry L. A., & Chadwick O. A. Accretion of Asian dust to Hawaiian soils: isotopic, elemental and mineral mass balances. Geochim. Cosmochim. Acta, accepted.

Kurtz A. C., Derry L. A., Chadwick, O. A & Alfano M. J. (2000). Refractory element mobility in volcanic soils. Geology, 28, 683-686.

Lampman, G., N. F. Caraco, and J. J. Cole. 1999. Spatial and temporal patterns of nutrient concentration and export in the tidal Hudson River. Estuaries (in press).

Lawrence, G. B., M. B. David, G. M. Lovett, P. S. Murdoch, D. A. Burns, B. P. Baldigo, A. W. Thompson, J. H. Porter, and J. L. Stoddard. 1999. Soil calcium status and the response of stream chemistry to declining acid rain. Ecol. Appl. (in press).

Lawrence, G. B., G. M. Lovett, and Y. H. Baevsky. 2000. Atmospheric deposition and watershed nitrogen export along an elevational gradient in the Catskill Mountains, New York. Biogeochemistry 50:21-43.

Larison, J. R., G. E. Likens, J. W. Fitzpatrick and J. G. Crock. 2000. Cadmium toxicity among wildlife in the Colorado Rocky Mountains. Nature (In Press).

Likens, G. E. 2000. A long-term record of ice cover for Mirror Lake, New Hampshire: effects of global warming? Verh. Internat. Verein. Limnol. (In Press).

Likens, G. E. 1999. Afterword: Reflections and Needs. pp. 269-272. In: T. W. Hoekstra and M. Shachak (eds.). Arid Lands Management--Toward Ecological Sustainability. University of Illinois Press, Urbana-Champaign, IL.

Likens, G. E. 1999. The science of nature, the nature of science: long-term ecological studies at Hubbard Brook. Proc. Am. Philos. Soc. (in press).

Likens, G. E., T. J. Butler and D. C. Buso. 2000. Long- and short-term changes in sulfate deposition: Effects of The 1990 Clean Air Act Amendments. Biogeochemistry (In Press).

Lilleskov, E. A., T. J. Fahey, T. R. Horton, and G. M. Lovett. 2000. A belowground ectomycorrhizal fungal community change over a nitrogen deposition gradient in Alaska. Ecology in press.

Lilleskov, E.A., T.J. Fahey and G.M. Lovett. 2000. Ectomycorrhizal fungal aboveground community change over an atmospheric nitrogen deposition in Alaska. Ecological Applications, in press.

Lovett, G. M., and H. Rueth. 1999. Soil nitrogen transformations in beech and maple stands along a nitrogen deposition gradient. Ecol. Appl. (in press).

Lovett, G. M., A. Thompson, J. Anderson, and J. Bowser. 1999. Elevational patterns of sulfur deposition at a site in the Catskill Mountains, NY. Atmos. Environ. 33:617-624.

Lovett, G. M., M. M. Traynor, R. V. Pouyat, M. M. Carreiro, W. X. Zhu, and J. W. Baxter. 2000a. Atmospheric deposition to oak forests along an urban-rural gradient. Environmental Science and Technology 34:4294-4300.

Lovett, G.M. and K.C. Weathers. 2000. Controls on atmospheric deposition at the landscape and regional scales. In: G.M.J. Mohrer and M. Cerny (eds). Atmospheric Deposition and Forest Management. NATO-ASI series, Kluwer Acad. Publ. In press.

Lovett, G. M., K. C. Weathers, and W. Sobczak. 2000b. Nitrogen saturation and retention in forested watersheds of the Catskill Mountains, NY. Ecological Applications 10:73-84.

Luo, Y., J. Reynolds, Y. Wang and D. Wolfe. 1999. A search for predictive understanding of plant responses to elevated CO2. Global Change Biology 5:143-156.

Martin, C.W., C.T. Driscoll and T.J. Fahey. 2000. Changes in streamwater chemistry after 20 years from forested watersheds in New Hampshire, USA. Can. J. For. Res., 30(8): 1206-1213.

Martin, C. W., G. E. Likens, and D. C. Buso. 1999. Comparison of long-term precipitation chemistry measurements at the Hubbard Brook Experimental Forest, New Hampshire. (in press).

Meyerson, L. A., K. Saltonstall, L. Windham, E. Kiviat, and S. Findlay. 1999. A comparison of Phragmites australis in freshwater and brackish marsh environments in North America. Wetl. Ecol. Manag. (in press).

Miller, D. N., J. E. Bryant, E. L. Madsen, and W. C. Ghiorse. 1999. Evaluation and optimization of DNA extraction and purification procedures for soil and sediment samples. Appl. Environ. Microbiol. 65:4715-4724.

Miller, D. N., W. C. Ghiorse, and J. B. Yavitt. 1999. Seasonal patterns and controls on methane and carbon dioxide fluxes in forested swamp pools. Geomicrobiol. J. 16:325-331.

Mitsch, W.J., J.W. Day, Jr., J.W. Gilliam, P.M. Groffman, D.L. Hey, G.W. Randall and N. Wang. 1999. Reducing nutrient loads, especially nitrate-nitrogen, to surface water, groundwater, and the Gulf of Mexico. Topic 5 Report for the Integrated Assessment on Hypoxia in the Gulf of Mexico. NOAA Coastal Ocean Program, Decision Analysis Series No. 19. U.S. Department of Commerce, National Oceanic and Atmospheric Administration (NOAA). Silver Spring, Maryland.

Nagle, G.N., J.P. Lassoie and T.J. Fahey. 2000. The use of Cesium-137 in the study of erosion in a tropical mountain watershed. Hydrological Processes.

National Research Council. 2000. Clean Coastal Waters: Understanding and Reducing the Effects of Nutrient Pollution. National Academy Press, Washington, DC. 405 pages (edited by R. W. Howarth, chair of the NRC Committee on Causes and Management of Coastal Eutrophication).

Nelson, Y. M., L. W. Lion, M. L. Shuler, and W. C. Ghiorse. 1999. Lead binding to metal oxide and organic phases of natural aquatic biofilms. Limnol. Oceanogr. 44:1715-1729.

Otto, S., P. M. Groffman, S. E. G. Findlay, and A. Arreola. 1999. Invasive plant species and microbial processes in a tidal freshwater marsh. J. Environ. Qual. 28:1252-1257.

Oyanedel, E., D.W. Wolfe, T.G. Owens, A.J. Monforte, and S.D. Tanksley. 2000. Quantitative trait loci analysis of photoinhibition under chilling stress in tomato. Acta Horticulturae 521:227-232.

Pace, M.L. Prediction and the aquatic sciences. Submitted as an invited paper for the 100th Anniversary Edition of Canadian Journal of Fisheries and Aquatic Sciences.

Pace, M.L., and J.J. Cole. 2000. Effects of whole lake manipulations of nutrient loading and food web structure on planktonic respiration. Can. J. Fish. Aquat. Sci. 57: 487-496.

Pace, M. L., J. J. Cole, S. R. Carpenter, and J. F. Kitchell. 1999. Trophic cascades breakout. Trends Ecol. Evol. (in press).

Peet, M. and D.W. Wolfe. 2000. Crop ecosystem responses to climate change: vegetable crops. IN: Reddy, K.R. and H.F. Hodges (eds) Climate Change and Global Crop Productivity. CAB International, Wallingford, UK. Chap. 10, pp. 213-244.

Peet, M. and D.W. Wolfe. 2000. Vegetable crops response to climate change. IN: Reddy, K.R. adn H.F. Hodges (eds.) Climate Change and Crop Productivity. CAB Internat., Wallingford, UK, chap. 11 (in press).

Post, D. M., M. E. Conners, and D. S. Goldberg. 1999. Prey preference by a top predator and the stability of linked food chains. Ecology 80 (in press).

Post, D.M., M.L. Pace, N.G. Hairston, Jr. 2000. Ecosystem size determines food-chain length in lakes. Nature 45: 1047-1049.

Reche, I., M.L. Pace, and J. J. Cole. 2000. Photobleaching of colored dissolved organic matter: modeled effects of solar wavebands in lake ecosystems. Ecosystems 3: 419-432.

Reche, I., M. L. Pace, and J. J. Cole. 1999. Factors regulating photobleaching of dissolved organic matter in lake ecosystems. Biogeochemistry 44:259-280.

Robertson, G.P., D. Wedin, P.M. Groffman, J.M. Blair, E.A. Holland, K.J. Nadelhoffer and D. Harris. 1999. Soil carbon and nitrogen availability: Nitrogen mineralization, nitrification and carbon turnover. Pages 258-271. In Standard Soil Methods for Long Term Ecological Research (G.P. Robertson, C.S. Bledsoe, D.C. Coleman and P. Sollins, editors). Oxford University Press, New York.

Roland F. and J. J. Cole. 1999. Regulation of bacterial growth efficiency in riverine systems. Verh. Int. Verein. Limnol. (in press).

Roland, F., N. F. Caraco, J. J. Cole, and P. A. del Giorgio. 1999. Rapid and precise determination of dissolved oxygen by spectrophotometry: evaluation of interference from color and turbidity. Limnol. Oceanogr. 44 (4):1148-1154.

Rosenberry, D. O., P. A. Bukaveckas, D. C. Buso, G. E. Likens, A. M. Shapiro, and T. C. Winter. 1999. Movement of road salt to a small New Hampshire lake. Water Air Soil Pollut. 109:179-206.

Sala, O., R. Jackson, H. Mooney, and R. W. Howarth (eds.). 2000. Methods in Ecosystem Science, Springer, NY. 430 pages.

Sanderson, B. L., T. R. Hrabik, J. J. Magnuson, and D. M. Post. 1999. Cyclic dynamics of yellow perch in Crystal Lake, Wisconsin: the roles of reproduction, cannibalism, and competition. Can. J. Fish. Aq. Sci. 56. (in press).

Shem-Tov, S., E. Zaady, P. M. Groffman, and Y. Gutterman. 1999. Soil carbon content along a rainfall gradient and inhibition of germination: a potential mechanism for regulating distribution of Plantago coronopus. Soil Biol. Biochem. 31:1209-1218.

Strayer, D. L., N. F. Caraco, J. J. Cole, S. Findlay, and M. L Pace. 1999. Transformation of freshwater ecosystems by bivalves: a case study of zebra mussels in the Hudson River. BioScience 49:19-27.

Steinhart, G. S., G. E. Likens, and D. Soto. 1999. Nutrient limitation in Lago Chaiquenes (Parque Nacional Alerce Andino, Chile): evidence from nutrient enrichment experiments and physiological assays. Rev. Chil. Hist. Nat. (in press).

Steinhart, G. S., G. E. Likens, and P. M. Groffman. 1999. Denitrification in stream sediments in five northeastern (USA) streams. Verh. Internat. Verein. Limnol. (in press).

Swaney DP, Howarth RW, and Butler TJ. 1999. A novel approach for estimating ecosystem production and respiration in estuaries: Application to the oligohaline and mesochaline Hudson River. Limnology & Oceanography 44: 1509-1521.

Tartowski, S., and R. W. Howarth. 2000. Nitrogen, nitrogen cycling. Encyclopedia of Biodiversity. 4: 377-388.

Tierney, GL, Fahey, TJ, Groffman, PM, Hardy, JP, Fitzhugh, RD, and Driscoll, CT. 2001. Soil freezing alters fine root dynamics in a northern hardwood forest. Biogeochemistry 56:175-190.

Updegraff, K., S.D. Bridgham, J. Pastor, P. Weishampel, and C. Harth. In press. Ecosystem respiration response to warming and water-table manipulations in peatland mesocosms. Ecological Applications.

Van Hoewyk, D., P.M. Groffman, E. Kiviat, G. Mihocko and G. Stevens. 2000. Soil nitrogen dynamics in organic and mineral soil fens in eastern New York. Soil Science Society of America Journal 64:2168-2173.

Vitousek, P. M., K. Cassman, C. Cleveland, T. Crews, C. B. Field, N. B. Grimm, R. W. Howarth, R. Marino, L. Martinelli, E. B. Rastetter, and J. I. Sprent. 2001. Towards an ecological understanding of biological nitrogen fixation. Biogeochemistry, in press.

Walter, M.T., P. Mutch, C.D. Salmon, D.K. McCool, and L.O. Hedin. Digitizing chart recorder data: coordinate system conversion for rain gauges and similar recording instruments. Journal of Atmospheric and Oceanic Technology 16:1138-1142.

Weathers, K. C. 1999. The importance of cloud and fog to the maintenance of ecosystems. Trends Ecol. Evol. 14:214-215.

Weathers, K. C., G. M. Lovett, G. E. Likens, and R. Lathrop. 2000. The effects of four landscape features on atmospheric deposition to the Hunter Mountain region, Catskill Mountains, New York. Ecological Applications in press.

Wehr, J. D., J. Petersen, and S. Findlay. 1999. Influence of three contrasting detrital carbon sources on planktonic bacterial metabolism in a mesotrophic lake. Microb. Ecol. 37:23-35.

West, J., S. E. G. Findlay, D. A. Burns, K. Weathers, and G. Lovett. 2000. Catchment-scale variation in the nitrate concentrations of groundwater seeps in the Catskill Mountains, New York, USA. Water, Air, and Soil Pollution in press.

Wetzel, R.G., and G. E. Likens. 1999. Limnological Analyses. Third Edition. Springer-Verlag New York, Inc. (in press).

Williams, C.J., E.A Shingara and J.B. Yavitt. 2000. Phenol oxidase activity in peatlands in New York State: Responses to summer drought and peat type. Wetlands 20:416-421.

Wilks, D.S. and D.W. Wolfe. 1998. Optimal use and economic value of weather forecasts for lettuce irrigation in a humid climate. Agric. And Forest Meteorology 89:115-129.

Wolfe, D.W., R. Gifford, D. Hilbert, and Y. Luo. 1998. Integration of acclimation to elevated CO2 at the whole-plant level. Global Change Biol. 4:879-893.

Yavitt, J.B. 2000. Nutrient dynamics of soil derived from different parent material on Barro Colorado Island, Panama. Biotropica 32:198- 207.

Yavitt, J.B., C.J. Williams, and R.K. Wieder. 2000. Controls on microbial production of methane and carbon dioxide in three Sphagnum-dominated peatland ecosystems as revealed by a reciprocal field peat transplant experiment. Geomicrobiology Journal, 17:61-88. 1999.

Zhang, Y., M. J. Mitchell, C. T. Driscoll, and G. E. Likens. 1999. Changes in soil sulfur constituents in a forested watershed eight years after whole-tree harvesting. Can. J. For. Res. 29:356-364.

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