Nitrogen News Issue 15, October/November 2010 Nitrogen News is a summary of recent publications, news and reports related to the cycling, effects and management of nitrogen. Prepared by Mary O’Brien and Jana Compton. Contact Jana Compton with any questions (Compton.jana@epa.gov) Please note: Most of these links are available to EPA staff through library access – not all links will be available to folks outside EPA, depending on your access to specific journals and websites.

Special Issues ..................................................................................................................... 1 Articles ............................................................................................................................... 1 News ................................................................................................................................. 14 Reports ............................................................................................................................. 19 Web Pages........................................................................................................................ 20

Special Issues Managing denitrification in human dominated landscapes, Edited by L.A. Schipper and A.J. Gold. Ecological Engineering, 36(11), November 2010. ISSN 0925-8574. http://www.sciencedirect.com/science/journal/09258574 The Bear Brook Watershed in Maine – The second decade Environmental Monitoring and Assessment, 171(1-4), December 2010. ISSN 0167-6369. http://www.springerlink.com/content/0167-6369/171/1-4/ Special Section: Past and future trends in nutrient export from global watersheds and impacts on water quality and eutrophication, Guest Editor: M. Andreae. Global Biogeochemical Cycles, 2010. ISSN 0886-6236. http://www.agu.org/journals/gb/special_sections.shtml?collectionCode=NUTRIENT1&journalCode=GB GEOHAB modeling, Edited by Dennis McGillicuddy. Journal of Marine Systems, 83(3-4), November 2010. ISSN 0924-7963. http://www.sciencedirect.com/science/journal/09247963 Results from Cooperative State Research, Education, and Extension Service (CSREES) Conservation Effects Assessment Project (CEAP) United States watershed projects Journal of Soil and Water Conservation, 65(6), November/December 2010. ISSN 0022-4561. http://www.jswconline.org/content/65/6.toc Articles Adame, Maria Fernanda, Bernardino Virdis, and Catherine E. Lovelock.

Effect of geomorphological setting and rainfall on nutrient exchange in mangroves during tidal inundation Marine and Freshwater Research, 61(10): 1197-1206, 2010. ISSN 1323-1650. http://dx.doi.org/10.1071/MF10013 Adesemoye, A. O., H. A. Torbert, and J. W. Kloepper. Increased plant uptake of nitrogen from N-15-depleted fertilizer using plant growth-promoting rhizobacteria Applied Soil Ecology, 46(1): 54-58, September 2010. ISSN 0929-1393. http://dx.doi.org/10.1016/j.apsoil.2010.06.010 Akselsson, Cecilia, Salim Belyazid, Sofie Hellsten, Malin Klarqvist, Gunilla Pihl-Karlsson, Per-Erik Karlsson, and Lars Lundin. Assessing the risk of N leaching from forest soils across a steep N deposition gradient in Sweden Environmental Pollution, 158(12): 3588-3595, December 2010. ISSN 0269-7491. http://dx.doi.org/10.1016/j.envpol.2010.08.012 Alexandre, Ana, Joao Silva, and Rui Santos. Inorganic nitrogen uptake and related enzymatic activity in the seagrass Zostera noltii Marine Ecology-An Evolutionary Perspective, 31(4): 539-545, December 2010. ISSN 0173-9565. http://dx.doi.org/10.1111/j.1439-0485.2010.00378.x

Ardon, Marcelo, Jennifer L. Morse, Martin W. Doyle, Bernhardt, Emily S. The water quality consequences of restoring wetland hydrology to a large agricultural watershed in the southeastern coastal plain Ecosystems, 13(7): 1060-1078, November 2010. ISSN 1432-9840. http://dx.doi.org/10.1007/s10021-010-9374-x Aronson, E. L., and B. R. Helliker. Methane flux in non-wetland soils in response to nitrogen addition: a meta-analysis Ecology, 91(11): 3242-3251, November 2010. ISSN 0012-9658. http://dx.doi.org/10.1890/09-2185.1 Beaudette, C., R. L. Bradley, J. K. Whalen, P. B. E. McVetty, K. Vessey, and D. L. Smith. Tree-based intercropping does not compromise canola (Brassica napus L.) seed oil yield and reduces soil nitrous oxide emissions Agriculture Ecosystems & Environment, 139(1-2): 33-39, October 15, 2010. ISSN 0167-8809. http://dx.doi.org/10.1016/j.agee.2010.06.014 Beaulieu, J. J., W. D. Shuster, and J. A. Rebholz. Nitrous oxide emissions from a large, impounded river: The Ohio River Environmental Science & Technology, 44(19, Sp. Iss.): 7527-7533, October 1, 2010. ISSN 0013-936X. http://dx.doi.org/10.1021/es1016735

Bernot, Melody J., Erika C. Martin, and Randall J. Bernot. The influence of trophic complexity on preferential uptake of dissolved inorganic and organic nitrogen: a laboratory microcosm experiment Journal of the North American Benthological Society, 29(4): 1199-1211, December 2010. ISSN 0887-3593. http://dx.doi.org/10.1899/09-146.1 Bishop, John G., Niamh B. O'Hara, Jonathan H. Titus, Jennifer L. Apple, Richard A. Gill, and Louise Wynn. N-P co-limitation of primary production and response of arthropods to N and P in early primary succession on Mount St. Helens volcano PLoS One, 5(10): e13598, October 26, 2010. ISSN 1932-6203. http://dx.doi.org/10.1371/journal.pone.0013598 Bradley, P. B., M. P. Sanderson, J. C. Nejstgaard, A. F. Sazhin, M. E. Frischer, L. M. Killberg-Thoreson, P. G. Verity, L. Campbell, and D. A. Bronk. Nitrogen uptake by phytoplankton and bacteria during an induced Phaeocystis pouchetii bloom, measured using size fractionation and flow cytometric sorting Aquatic Microbial Ecology, 61(1): 89-104, 2010. ISSN 0948-3055. http://dx.doi.org/10.3354/ame01414 Canfield, Donald E., Alexander N. Glazer, and Paul G. Falkowski. The evolution and future of Earth's nitrogen cycle Science, 330(6001): 192-196, October 8, 2001. http://dx.doi.org/10.1126/science.1186120 Chatzimpiros, Petros, and Sabine Barles. Nitrogen, land and water inputs in changing cattle farming systems. A historical comparison for France, 19th-21st centuries Science of the Total Environment, 408(20): 4644-4653, September 15, 2010. ISSN 0048-9697. http://dx.doi.org/10.1016/j.scitotenv.2010.06.051 Churkina, G., S. Zaehle, J. Hughes, N. Viovy, Y. Chen, M. Jung, B. W. Heumann, N. Ramankutty, M. Heimann, and C. Jones. Interactions between nitrogen deposition, land cover conversion, and climate change determine the contemporary carbon balance of Europe Biogeosciences, 7(9): 2749-2764, 2010. ISSN 1726-4170. http://dx.doi.org/10.5194/bg-7-2749-2010 Corbett, D. R. Resuspension and estuarine nutrient cycling: insights from the Neuse River Estuary Biogeosciences, 7(10): 3289-3300, 2010. ISSN 1726-4170. http://dx.doi.org/10.5194/bg-7-3289-2010 Covino, Timothy P., Brian L. McGlynn, and Rebecca A. McNamara.

Tracer Additions for Spiraling Curve Characterization (TASCC): Quantifying stream nutrient uptake kinetics from ambient to saturation Limnology and Oceanography-Methods, 8: 484-498, September 2010. ISSN 1541-5856. http://dx.doi.org/10.4319/lom.2010.8.484 Davis, Timothy W., Matthew J. Harke, M. Alejandra Marcoval, Jennifer Goleski, Celia Orano-Dawson, Dianna L. Berry, and Christopher J. Gobler. Effects of nitrogenous compounds and phosphorus on the growth of toxic and non-toxic strains of Microcystis during cyanobacterial blooms Aquatic Microbial Ecology, 61(2): 149-162, 2010. ISSN 0948-3055. http://dx.doi.org/10.3354/ame01445 Ding, Ying, Yu-Xue Liu, Wei-Xiang Wu, De-Zhi Shi, Min Yang, and Zhe-Ke Zhong. Evaluation of biochar effects on nitrogen retention and leaching in multi-layered soil columns Water Air and Soil Pollution, 213(1-4): 47-55, November 2010. ISSN 0049-6979. http://dx.doi.org/10.1007/s11270-010-0366-4 Doerr, Nicole, Klaus Kaiser, Robert Mikutta, Georg Guggenberger. Slow response of soil organic matter to the reduction in atmospheric nitrogen deposition in a Norway spruce forest Global Change Biology, 16(11): 2990-3003, November 2010. ISSN 1354-1013. http://dx.doi.org/10.1111/j.1365-2486.2009.02148.x Fenn, M. E., E. B. Allen, S. B. Weiss, S. Jovan, L. H. Geiser, G. S. Tonnesen, R. F. Johnson, L. E. Rao, B. S. Gimeno, F. Yuan, T. Meixner, and A. Bytnerowicz. Nitrogen critical loads and management alternatives for N-impacted ecosystems in California Journal of Environmental Management, 91(12): 2404-2423, December 2010. ISSN 0301-4797. http://dx.doi.org/10.1016/j.jenvman.2010.07.034 Ferguson, Angus J. P., and Bradley D. Eyre. Carbon and nitrogen cycling in a shallow productive sub-tropical coastal embayment (Western Moreton Bay, Australia): The importance of pelagic-benthic coupling Ecosystems, 13(7): 1127-1144, November 2010. ISSN 1432-9840. http://dx.doi.org/10.1007/s10021-010-9378-6 Feuchtmayr, Heidrun, Brian Moss, Ian Harvey, Rebecca Moran, Keith Hatton, Leslie Connor, and David Atkinson. Differential effects of warming and nutrient loading on the timing and size of the spring zooplankton peak: an experimental approach with hypertrophic freshwater mesocosms Journal of Plankton Research, 32(12): 1715-1725, December 2010. ISSN 0142-7873. http://dx.doi.org/10.1093/plankt/fbq087 Fiore, Cara L., Jessica K. Jarett, Nathan D. Olson, Michael P. Lesser. Nitrogen fixation and nitrogen transformations in marine symbioses

Trends in Microbiology, 18(10): 455-463, October 2010. ISSN 0966-842X. http://dx.doi.org/10.1016/j.tim.2010.07.001 Fujita, Yuki, Bjorn J. M. Robroek, Peter C. de Ruiter, Gerrit W. Heil, and Martin J. Wassen. Increased N affects P uptake of eight grassland species: the role of root surface phosphatase activity Oikos, 119(10): 1665-1673, October 2010. ISSN 0030-1299. http://dx.doi.org/10.1111/j.1600-0706.2010.18427.x Fulweiler, Robinson W., Scott W. Nixon, and Betty A. Buckley. Spatial and temporal variability of benthic oxygen demand and nutrient regeneration in an anthropogenically impacted New England estuary Estuaries and Coasts, 33(6): 1377-1390, November 2010. ISSN 1559-2723. http://dx.doi.org/10.1007/s12237-009-9260-y Futter, M. N., E. Ring, L. Hogbom, S. Entenmann, and K. H. Bishop. Consequences of nitrate leaching following stem-only harvesting of Swedish forests are dependent on spatial scale Environmental Pollution, 158(12): 3552-3559, December 2010. ISSN 0269-7491. http://dx.doi.org/10.1016/j.envpol.2010.08.016 Garnier, Monica, Fabio Recanatesi, Maria Nicoletta Ripa, and Antonio Leone. Agricultural nitrate monitoring in a lake basin in Central Italy: a further step ahead towards an integrated nutrient management aimed at controlling water pollution Environmental Monitoring and Assessment, 170(1-4): 273-286, November 2010. ISSN 0167-6369. http://dx.doi.org/10.1007/s10661-009-1231-z Giblin, Anne E., Nathaniel B. Weston, Gary T. Banta, Jane Tucker, and Charles S. Hopkinson. The effects of salinity on nitrogen losses from an oligohaline estuarine sediment Estuaries and Coasts, 33(5): 1054-1068, September 2010. ISSN 1559-2723. http://dx.doi.org/10.1007/s12237-010-9280-7 Gillet, Francois, Martina Peter, Francois Ayer, Rita Buetler, and Simon Egli. Long-term dynamics of aboveground fungal communities in a subalpine Norway spruce forest under elevated nitrogen input Oecologia, 164(2): 499-510, October 2010. ISSN 0029-8549. http://dx.doi.org/10.1007/s00442-010-1668-3 Goodall, Jonathan L., John P. Fay, and David L. Bollinger, Jr. A software library for quantifying regional-scale nitrogen transport within river basin systems Environmental Modelling & Software, 25(12): 1713-1721, December 2010. ISSN 1364-8152. http://dx.doi.org/10.1016/j.envsoft.2010.04.007 Grman, Emily, Jennifer A. Lau, Donald R. Schoolmaster, Jr., and Katherine L. Gross.

Mechanisms contributing to stability in ecosystem function depend on the environmental context Ecology Letters, 13(11): 1400-1410, November 2010. ISSN 1461-023X. http://dx.doi.org/10.1111/j.1461-0248.2010.01533.x Guckland, Anja, Marife D. Corre, and Heiner Flessa. Variability of soil N cycling and N2O emission in a mixed deciduous forest with different abundance of beech Plant and Soil, 336(1-2): 25-38, November 2010. ISSN 0032-079X. http://dx.doi.org/10.1007/s11104-010-0437-8 Gundersen, Per, Ari Lauren, Leena Finer, Eva Ring, Harri Koivusalo, Magne Saetersdal, Jan-Olov Weslien, Bjarni D. Sigurdsson, Lars Hogbom, Jukka Laine, and Karin Hansen. Environmental services provided from riparian forests in the Nordic countries AMBIO, 39(8): 555-566, December 2010, ISSN 0044-7447. http://dx.doi.org/10.1007/s13280-010-0073-9 Guo, Xiaobin, Craig F. Drury, Xueming Yang, and Renduo Zhang. Influence of constant and fluctuating water contents on nitrous oxide emissions from soils under varying crop rotations Soil Science Society of America Journal, 74(6): 2077-2085, November-December 2010. ISSN 0361-5995. http://dx.doi.org/10.2136/sssaj2010.0064 Hardison, Amber K., Elizabeth A. Canuel, Iris C. Anderson, and Bart Veuger. Fate of macroalgae in benthic systems: carbon and nitrogen cycling within the microbial community Marine Ecology-Progress Series, 414: 41-55, 2010. ISSN 0171-8630. http://dx.doi.org/10.3354/meps08720 Heisterkamp, Ines Maria, Andreas Schramm, Dirk de Beer, and Peter Stief. Nitrous oxide production associated with coastal marine invertebrates Marine Ecology-Progress Series, 415: 1-9, 2010. ISSN 0171-8630. http://dx.doi.org/10.3354/meps08727 Huang, Yao, and Yonghua Tang. An estimate of greenhouse gas (N2O and CO2) mitigation potential under various scenarios of nitrogen use efficiency in Chinese croplands Global Change Biology, 16(11): 2958-2970, November 2010. ISSN 1354-1013. http://dx.doi.org/10.1111/j.1365-2486.2010.02187.x Hubbard, K. A., Jr., L. K. Lautz, M. J. Mitchell, B. Mayer, and E. R. Hotchkiss. Evaluating nitrate uptake in a Rocky Mountain stream using labelled N-15 and ambient nitrate chemistry Hydrological Processes, 24(23): 3322-3336, November 15, 2010. ISSN 0885-6087. http://dx.doi.org/10.1002/hyp.7764

Ishijima, Kentaro, Prabir K.Patra, Masayuki Takigawa, Toshinobu Machida, Hidekazu Matsueda, Yosuke Sawa, L. Paul Steele, Paul B. Krummel, Ray L. Langenfelds, Shuji Aoki, and Takakiyo Nakazawa. Stratospheric influence on the seasonal cycle of nitrous oxide in the troposphere as deduced from aircraft observations and model simulations Journal of Geophysical Research-Atmospheres, 115: D20308, October 27, 2010. ISSN 0148-0227. http://dx.doi.org/10.1029/2009JD013322 Johnson, Cody R., Chris Luecke, Stephen C. Whalen, and Mary Anne Evans. Direct and indirect effects of fish on pelagic nitrogen and phosphorus availability in oligotrophic Arctic Alaskan lakes Canadian Journal of Fisheries and Aquatic Sciences, 67(10): 1635-1648, October 2010. ISSN 0706-652X. http://dx.doi.org/10.1139/F10-085 Kang, Hongzhang, Zaijun Xin, Bjorn Berg, Paul J. Burgess, Qunlu Liu, Zhicheng Liu, Zhaohua Li, and Chunjiang Liu. Global pattern of leaf litter nitrogen and phosphorus in woody plants Annals of Forest Science, 67(8): 811, December 2010. ISSN 1286-4560. http://dx.doi.org/10.1051/forest/2010047 Khalili, Maria I., Johan Temnerud, Mats Froberg, Erik Karltun, and Gesa A. Weyhenmeyer. Nitrogen and carbon interactions between boreal soils and lakes Global Biogeochemical Cycles, 24: GB4011, November 4, 2010. ISSN 0886-6236. http://dx.doi.org/10.1029/2009GB003668 Kim, Dong-Gill, Mikhail Mishurov, and Gerard Kiely. Effect of increased N use and dry periods on N2O emission from a fertilized grassland Nutrient Cycling in Agroecosystems, 88(3): 397-410, December 2010. ISSN 1385-1314. http://dx.doi.org/10.1007/s10705-010-9365-5 Koyama, Akihiro, Kathleen L. Kavanagh, and Kirsten Stephan. Wildfire effects on soil gross nitrogen transformation rates in coniferous forests of Central Idaho, USA Ecosystems, 13(7): 1112-1126, November 2010. ISSN 1432-9840. http://dx.doi.org/10.1007/s10021-010-9377-7 Kudela, Raphael M., Alexander R. Horner-Devine, Neil S. Banas, Barbara M. Hickey, Tawnya D. Peterson, Ryan M. McCabe, Evelyn J. Lessard, Elizabeth Frame, Kenneth W. Bruland, David A. Jay, Jay O. Peterson, William T. Peterson, P. Michael Kosro, Sherry L. Palacios, Maeve C. Lohan, and Edward P. Dever. Multiple trophic levels fueled by recirculation in the Columbia River plume Geophysical Research Letters, 37: L18607, September 30, 2010. ISSN 0094-8276. http://dx.doi.org/10.1029/2010GL044342

Landhaeusser, Simon M., Xianchong Wan, Victor J. Lieffers, and Pak S. Chow. Nitrate stimulates root suckering in trembling aspen (Populus tremuloides) Canadian Journal of Forest Research, 40(10): 1962-1969, October 2010. ISSN 0045-5067. http://dx.doi.org/10.1139/X10-141 Leip, Adrian. Quantitative quality assessment of the greenhouse gas inventory for agriculture in Europe Climatic Change, 103(1-2): 245-261, November 2010. ISSN 0165-0009. http://dx.doi.org/10.1007/s10584-010-9915-5 Leschen, Alison S., Kathryn H. Ford, and N. Tay Evans. Successful eelgrass (Zostera marina) restoration in a formerly eutrophic estuary (Boston Harbor) supports the use of a multifaceted watershed approach to mitigating eelgrass loss Estuaries and Coasts, 33(6): 1340-1354, November 2010. ISSN 1559-2723. http://dx.doi.org/10.1007/s12237-010-9272-7 Longing, S. D., and B. E. Haggard. Distributions of median nutrient and chlorophyll concentrations across the Red River Basin, USA Journal of Environmental Quality, 39(6): 1966-1974, November/December 2010. ISSN 0047-2425. http://dx.doi.org/10.2134/jeq2009.0235 Ludwig, W., A. F. Bouwman, E. Dumont, and F. Lespinas. Water and nutrient fluxes from major Mediterranean and Black Sea rivers: Past and future trends and their implications for the basin-scale budgets Global Biogeochemical Cycles, 24: GB0A13, October 22, 2010. ISSN 0886-6236. http://dx.doi.org/10.1029/2009GB003594 Maljanen, M., B. D. Sigurdsson, J. Guomundsson, H. Oskarsson, J. T. Huttunen, and P. J. Martikainen. Greenhouse gas balances of managed peatlands in the Nordic countries - present knowledge and gaps Biogeosciences, 7(9): 2711-2738, 2010. ISSN 1726-4170. http://dx.doi.org/10.5194/bg-7-2711-2010 McKinney, R. A., A. J. Oczkowski, J. Prezioso, and K. J. W. Hyde. Spatial variability of nitrogen isotope ratios of particulate material from Northwest Atlantic continental shelf waters Estuarine Coastal and Shelf Science, 89(4): 287-293, November 1, 2010. ISSN 0272-7714. http://dx.doi.org/10.1016/j.ecss.2010.08.004 Miller, Todd W., Koji Omori, Hideki Hamaoka, Jun-ya Shibata, and Onishi Hidejiro. Tracing anthropogenic inputs to production in the Seto Inland Sea, Japan - A stable isotope approach

Marine Pollution Bulletin, 60(10): 1803-1809, October 2010. ISSN 0025-326X. http://dx.doi.org/10.1016/j.marpolbul.2010.06.002 Mishurov, Mikhail, and Gerard Kiely. Nitrous oxide flux dynamics of grassland undergoing afforestation Agriculture Ecosystems & Environment, 139(1-2): 59-65, October 15, 2010. ISSN 0167-8809. http://dx.doi.org/10.1016/j.agee.2010.07.001 Montreuil, Olivier, Philippe Merot, and Pierre Marmonier. Estimation of nitrate removal by riparian wetlands and streams in agricultural catchments: effect of discharge and stream order Freshwater Biology, 55(11): 2305-2318, November 2010. ISSN 0046-5070. http://dx.doi.org/10.1111/j.1365-2427.2010.02439.x Moore, Willard S. A reevaluation of submarine groundwater discharge along the southeastern coast of North America Global Biogeochemical Cycles, 24: GB4005, October 14, 2010. ISSN 0886-6236. http://dx.doi.org/10.1029/2009GB003747 Morley, N., and E. M. Baggs. Carbon and oxygen controls on N2O and N-2 production during nitrate reduction Soil Biology & Biochemistry, 42(10): 1864-1871, October 2010. ISSN 0038-0717. http://dx.doi.org/10.1016/j.soilbio.2010.07.008 Mosier, Annika C., and Christopher A. Francis. Denitrifier abundance and activity across the San Francisco Bay estuary Environmental Microbiology Reports, 2(5): 667-676, October 2010. ISSN 1758-2229. http://dx.doi.org/10.1111/j.1758-2229.2010.00156.x Munoz, Cristina, Leandro Paulino, Carlos Monreal, and Erick Zagal. Greenhouse gas (CO2 and N2O) emissions from soils: A review Chilean Journal of Agricultural Research, 70(3): 485-497, July-September 2010. ISSN 0718-5820. http://www.chileanjar.cl/files/V70_I3_2010_ENG_CristinaMuNoz.pdf Munzi, Silvana, Tommaso Pisani, Luca Paoli, and Stefano Loppi. Time- and dose-dependency of the effects of nitrogen pollution on lichens Ecotoxicology and Environmental Safety, 73(7): 1785-1788, October 2010. ISSN 0147-6513. http://dx.doi.org/10.1016/j.ecoenv.2010.07.042 Mutegi, James K., Lars J. Munkholm, Bjorn M. Petersen, Elly M. Hansen, and Soren O. Petersen. Nitrous oxide emissions and controls as influenced by tillage and crop residue management strategy Soil Biology & Biochemistry, 42(10): 1701-1711, October 2010. ISSN 0038-0717.

http://dx.doi.org/10.1016/j.soilbio.2010.06.004 Nangia, V., D. J. Mulla, and P. H. Gowda. Precipitation changes impact stream discharge, nitrate-nitrogen load more than agricultural management changes Journal of Environmental Quality, 39(6): 2063-2071, November-December 2010. ISSN 0047-2425. http://dx.doi.org/10.2134/jeq2010.0105

Nejrup, Lars Brammer, and Morten Foldager Pedersen. Growth and biomass development of the introduced red alga Gracilaria vermiculophylla is unaffected by nutrient limitation and grazing Aquatic Biology, 10(3): 249-259, 2010. ISSN 1864-7790. http://dx.doi.org/10.3354/ab00281 Newton, Paul C. D., Mark Lieffering, W. M. Saman D. Bowatte, Shona C. Brock, Chris L. Hunt, Phil W. Theobald, and Des J. Ross,. The rate of progression and stability of progressive nitrogen limitation at elevated atmospheric CO2 in a grazed grassland over 11 years of Free Air CO2 enrichment Plant and Soil, 336(1-2): 433-441, November 2010. ISSN 0032-079X. http://dx.doi.org/10.1007/s11104-010-0493-0 Niedermayr, Romana, and Michael Schagerl. Structuring factors of the phytobenthos community along a mountain headwater (Kalkalpen National Park, Austria) Fundamental and Applied Limnology, 177(2): 93-104, June 2010. ISSN 1863-9135. http://dx.doi.org/10.1127/1863-9135/2010/0177-0093 Niu, Shuli, Rebecca A. Sherry, Xuhui Zhou, Shiqiang Wan, and Yiqi Luo. Nitrogen regulation of the climate-carbon feedback: evidence from a long-term global change experiment Ecology, 91(11): 3261-3273, November 2010. ISSN 0012-9658. http://dx.doi.org/10.1890/09-1634.1 Nol, L., G. B. M. Heuvelink, A. Veldkamp, W. de Vries, and J. Kros. Uncertainty propagation analysis of an N2O emission model at the plot and landscape scale Geoderma, 159(1-2): 9-23, October 15, 2010. ISSN 0016-7061. http://dx.doi.org/10.1016/j.geoderma.2010.06.009 Norby, Richard J., Jeffrey M. Warren, Colleen M. Iversen, Belinda E. Medlyn, and Ross E. McMurtrie. CO2 enhancement of forest productivity constrained by limited nitrogen availability Proceedings of the National Academy of Sciences of the United States of America, 107(45): 19368-19373, November 9, 2010. ISSN 0027-8424. http://dx.doi.org/10.1073/pnas.1006463107

Oehler, F., J. C. Rutherford, and G. Coco. The use of machine learning algorithms to design a generalized simplified denitrification model Biogeosciences, 7(10): 3311-3332, 2010. ISSN 1726-4170. http://dx.doi.org/10.5194/bg-7-3311-2010 Orth, Robert J., Michael R. Williams, Scott R. Marion, David J. Wilcox, Tim J. B. Carruthers, Kenneth A. Moore, W. Michael Kemp, William C. Dennison, Nancy Rybicki, Peter Bergstrom, and Richard A. Batiuk. Long-term trends in submersed aquatic vegetation (SAV) in Chesapeake Bay, USA, related to water quality Estuaries and Coasts, 33(5): 1144-1163, September 2010. ISSN 1559-2723. http://dx.doi.org/10.1007/s12237-010-9311-4 Paerl, Hans W., and J. Thad Scott. Throwing fuel on the fire: Synergistic effects of excessive nitrogen inputs and global warming on harmful algal blooms Environmental Science & Technology, 44(20): 7756-7758, October 15, 2010. ISSN 0013-936X. http://dx.doi.org/10.1021/es102665e Papanikolaou, Niki, Andrea J. Britton, Rachel C. Helliwell, and David Johnson. Nitrogen deposition, vegetation burning and climate warming act independently on microbial community structure and enzyme activity associated with decomposing litter in low-alpine heath Global Change Biology, 16(11): 3120-3132, November 2010. ISSN 1354-1013. http://dx.doi.org/10.1111/j.1365-2486.2010.02196.x Patil, Ravi H., Mette Laegdsmand, Jorgen E. Olesen, and John R. Porter. Effect of soil warming and rainfall patterns on soil N cycling in Northern Europe Agriculture Ecosystems & Environment, 139(1-2): 195-205, October 15, 2010. ISSN 0167-8809. http://dx.doi.org/10.1016/j.agee.2010.08.002 Poor, Cara J., and Jeffrey L. Ullman. Using regression tree analysis to improve predictions of low-flow nitrate and chloride in Willamette River Basin watersheds Environmental Management, 46(5): 771-780, November 2010. ISSN 0364-152X. http://dx.doi.org/10.1007/s00267-010-9550-y Prasad, M. Bala Krishna, Mathew R. P. Sapiano, Clarissa R. Anderson, Wen Long, and Raghu Murtugudde. Long-term variability of nutrients and chlorophyll in the Chesapeake Bay: A retrospective analysis, 1985-2008 Estuaries and Coasts, 33(5): 1128-1143, September 2010. ISSN 1559-2723. http://dx.doi.org/10.1007/s12237-010-9325-y Prather, Michael J., and Juno Hsu.

Coupling of nitrous oxide and methane by global atmospheric chemistry Science, 330(6006): 952-954, November 12, 2010. ISSN 0036-8075. http://dx.doi.org/10.1126/science.1196285

Schwartz, Stuart S. Optimization and decision heuristics for Chesapeake Bay nutrient reduction strategies Environmental Modeling & Assessment, 15(5): 345-359, October 2010. ISSN 1420-2026. http://dx.doi.org/10.1007/s10666-009-9211-9 Smith, J. T., R. T. Clarke, and M. J. Bowes. Are groundwater nitrate concentrations reaching a turning point in some chalk aquifers? Science of the Total Environment, 408(20): 4722-4732, September 15, 2010. ISSN 0048-9697. http://dx.doi.org/10.1016/j.scitotenv.2010.07.001 Soussana, Jean-Francois, and Tiphaine Tallec. Can we understand and predict the regulation of biological N-2 fixation in grassland ecosystems? Nutrient Cycling in Agroecosystems, 88(2; Sp. Iss.): 197-213, November 2010. ISSN 1385-1314. http://dx.doi.org/10.1007/s10705-009-9335-y Stutz, Jochen, Kam Weng Wong, Laura Lawrence, Luke Ziemba, James H. Flynn, Bernhard Rappenglueck, and Barry Lefer. Nocturnal NO3 radical chemistry in Houston, TX Atmospheric Environment, 44(33; Sp. Iss.): 4099-4106, October 2010. ISSN 1352-2310. http://dx.doi.org/10.1016/j.atmosenv.2009.03.004 Tian, H., X. Xu, M. Liu, W. Ren, C. Zhang, G. Chen, and C. Lu. Spatial and temporal patterns of CH4 and N2O fluxes in terrestrial ecosystems of North America during 1979-2008: application of a global biogeochemistry model Biogeosciences, 7(9): 2673-2694, 2010. ISSN 1726-4170. http://dx.doi.org/10.5194/bg-7-2673-2010 Toetz, Dale, and Mark E. Payton. Concentration effects of inorganic nitrogen on biomass accrual of periphyton in a subalpine stream, Colorado Front Range Journal of Freshwater Ecology, 25(4): 517-521, December 2010. ISSN 0270-5060. Tomer, M. D., K. E. Schilling, C. A. Cambardella, P. Jacobson, and P. Drobney. Groundwater nutrient concentrations during prairie reconstruction on an Iowa landscape Agriculture Ecosystems & Environment, 139(1-2): 206-213, October 15, 2010. ISSN 0167-8809. http://dx.doi.org/10.1016/j.agee.2010.08.003 Vadeboncoeur, Matthew A., Steven P. Hamburg, and Donald Pryor. Modeled nitrogen loading to Narragansett Bay: 1850 to 2015 Estuaries and Coasts, 33(5): 1113-1127, September 2010. ISSN 1559-2723.

http://dx.doi.org/10.1007/s12237-010-9320-3 Vadeboncoeur, Matthew A. Meta-analysis of fertilization experiments indicates multiple limiting nutrients in northeastern deciduous forests Canadian Journal of Forest Research-Revue Canadienne de Recherche Forestiere, 40(9): 1766-1780, September 2010. ISSN 0045-5067. http://dx.doi.org/10.1139/X10-127 Vermonden, Kim, Rob S. E. W. Leuven, and Gerard van der Velde,. Environmental factors determining invasibility of urban waters for exotic macroinvertebrates Diversity and Distributions, 16(6): 1009-1021, November 2010. ISSN 1366-9516. http://dx.doi.org/10.1111/j.1472-4642.2010.00702.x Wachnicka, Anna, Evelyn Gaiser, Laurel Collins, Thomas Frankovich, and Joseph Boyer. Distribution of diatoms and development of diatom-based models for inferring salinity and nutrient concentrations in Florida Bay and adjacent coastal wetlands of south Florida (USA). Estuaries and Coasts, 33(5): 1080-1098, September 2010. ISSN 1559-2723. http://dx.doi.org/10.1007/s12237-010-9283-4 Wang, Tijian, Shu Li, Yi Shen, Junjun Deng, and Min Xie. Investigations on direct and indirect effect of nitrate on temperature and precipitation in China using a regional climate chemistry modeling system Journal of Geophysical Research-Atmospheres, 115: D00K26, October 22, 2010. ISSN 0148-0227. http://dx.doi.org/10.1029/2009JD013264 Wei, X. R., M. D. Hao, X. H. Xue, P. Shi, R. Horton, A. Wang, and Y. F. Zang. Nitrous oxide emission from highland winter wheat field after long-term fertilization Biogeosciences, 7(10): 3301-3310, 2010. ISSN 1726-4170. http://dx.doi.org/10.5194/bg-7-3301-2010 Wimp, Gina M., Shannon M. Murphy, Deborah L. Finke, Andrea F. Huberty, and Robert F. Denno. Increased primary production shifts the structure and composition of a terrestrial arthropod community Ecology, 91(11): 3303-3311, November 2010. ISSN 0012-9658. http://dx.doi.org/10.1890/09-1291.1 Yang, Rong, Kentaro Hayashi, Bin Zhu, Feiyue Li, and Xiaoyuan Yan. Atmospheric NH3 and NO2 concentration and nitrogen deposition in an agricultural catchment of Eastern China Science of the Total Environment, 408(20): 4624-4632, September 15, 2010. ISSN 0048-9697. http://dx.doi.org/10.1016/j.scitotenv.2010.06.006

Yang, X., T. K. Richardson, and A. K. Jain. Contributions of secondary forest and nitrogen dynamics to terrestrial carbon uptake Biogeosciences, 7(10): 3041-3050, 2010. ISSN 1726-4170. http://dx.doi.org/10.5194/bg-7-3041-2010 York, Joanna K., Gabrielle Tomasky, Ivan Valiela, and Anne E. Giblin. Isotopic approach to determining the fate of ammonium regenerated from sediments in a eutrophic sub-estuary of Waquoit Bay, MA Estuaries and Coasts, 33(5): 1069-1079, September 2010. ISSN 1559-2723. http://dx.doi.org/10.1007/s12237-010-9278-1 Zhang, Tao A spatially explicit model for estimating annual average loads of nonpoint source nutrient at the watershed scale Environmental Modeling & Assessment, 15(6): 569-581, December 2010. ISSN 1420-2026. http://dx.doi.org/10.1007/s10666-010-9225-3 Zhang, Yaohong, Weixin Ding, Zucong Cai, Phillips Valerie, and Fengxiang Han. Response of methane emission to invasion of Spartina alterniflora and exogenous N deposition in the coastal salt marsh Atmospheric Environment, 44(36): 4588-4594, November 2010. ISSN 1352-2310. http://dx.doi.org/10.1016/j.atmosenv.2010.08.012 Zhou, Xiaobo, Matthew J. Helmers, Heidi Asbjornsen, Randy Kolka, and Mark D. Tomer. Perennial filter strips reduce nitrate levels in soil and shallow groundwater after grassland-to-cropland conversion Journal of Environmental Quality, 39(6): 2006-2015, November/December 2010. ISSN 0047-2425. http://dx.doi.org/10.2134/jeq2010.0151 Zhou, Zaixing, Xunhua Zheng, Baohua Xie, Chunyan Liu, Tao Song, Shenghui Han, and Jianguo Zhu. Nitric oxide emissions from rice-wheat rotation fields in eastern China: effect of fertilization, soil water content, and crop residue Plant and Soil, 336(1-2): 87-98, November 2010. ISSN 0032-079X. http://dx.doi.org/10.1007/s11104-010-0450-y News For BNA subscribers (including EPA staff): Climate change: Greenhouse gas concentrations reach record high, growth rate slows, WMO says Daily Environment Report, November 26, 2010

http://news.bna.com/deln/DELNWB/split_display.adp?fedfid=18573812&vname=dennotallissues&wsn=498731500&searchid=13132283&doctypeid=1&type=date&mode=doc&split=0&scm=DELNWB&pg=0 Chesapeake Bay: Bay states have one more week to upgrade pollution control plans, EPA officials say Daily Environment Report, November 23, 2010 http://news.bna.com/deln/DELNWB/split_display.adp?fedfid=18566699&vname=dennotallissues&wsn=498788500&searchid=13132283&doctypeid=1&type=date&mode=doc&split=0&scm=DELNWB&pg=0 Water pollution: EPA finalizes Florida numeric water quality standards, delays implementation 15 months Daily Environment Report, November 16, 2010 http://news.bna.com/deln/DELNWB/split_display.adp?fedfid=18469415&vname=dennotallissues&wsn=498955000&searchid=13132283&doctypeid=1&type=date&mode=doc&split=0&scm=DELNWB&pg=1 Climate change: EPA issues guidance to states, localities on controls for greenhouse gas sources Daily Environment Report, November 12, 2010 http://news.bna.com/deln/DELNWB/split_display.adp?fedfid=18397437&vname=dennotallissues&wsn=499009500&searchid=13132283&doctypeid=1&type=date&mode=doc&split=0&scm=DELNWB&pg=1 Climate change: Final rule on greenhouse gas reporting targets methane from oil, gas wells Daily Environment Report, November 10, 2010 http://news.bna.com/deln/DELNWB/split_display.adp?fedfid=18393002&vname=dennotallissues&wsn=499042500&searchid=13132283&doctypeid=1&type=date&mode=doc&split=0&scm=DELNWB&pg=1 Air pollution: EU member states approve revision of industrial pollution control legislation Daily Environment Report, November 10, 2010 http://news.bna.com/deln/DELNWB/split_display.adp?fedfid=18393009&vname=dennotallissues&wsn=499040500&searchid=13132283&doctypeid=1&type=date&mode=doc&split=0&scm=DELNWB&pg=1 Climate change: Stricter nitrous oxide reporting urged for category of coal-fired power plants Daily Environment Report, November 2, 2010 http://news.bna.com/deln/DELNWB/split_display.adp?fedfid=18369313&vname=dennotallissues&wsn=499234500&searchid=13132283&doctypeid=1&type=date&mode=doc&split=0&scm=DELNWB&pg=1 Chesapeake Bay: Most cropland in watershed has excessive releases of nitrogen, phosphorus, study says

Daily Environment Report, October 29, 2010 http://news.bna.com/deln/DELNWB/split_display.adp?fedfid=18347748&vname=dennotallissues&wsn=499295000&searchid=13010169&doctypeid=1&type=date&mode=doc&split=0&scm=DELNWB&pg=1 Air pollution: Power plants need time to implement rules while maintaining power grid, report says Daily Environment Report, October 27, 2010 http://news.bna.com/deln/DELNWB/split_display.adp?fedfid=18335932&vname=dennotallissues&wsn=499350000&searchid=13010169&doctypeid=1&type=date&mode=doc&split=0&scm=DELNWB&pg=1 Air pollution: EPA revises power plant emissions data used for agency's interstate transport rule Daily Environment Report, October 27, 2010 http://news.bna.com/deln/DELNWB/split_display.adp?fedfid=18335923&vname=dennotallissues&wsn=499349500&searchid=13010169&doctypeid=1&type=date&mode=doc&split=0&scm=DELNWB&pg=1 Air pollution: States ask EPA to require sources to begin reducing emissions in 2015 Daily Environment Report, October 25, 2010 http://news.bna.com/deln/DELNWB/split_display.adp?fedfid=18309577&vname=dennotallissues&wsn=499408500&searchid=13010169&doctypeid=1&type=date&mode=doc&split=0&scm=DELNWB&pg=1 Air pollution: Analysis says EPA emissions rules could shutter coal plants, open investment areas Daily Environment Report, October 19, 2010 http://news.bna.com/deln/DELNWB/split_display.adp?fedfid=18293554&vname=dennotallissues&wsn=499529000&searchid=13010169&doctypeid=1&type=date&mode=doc&split=0&scm=DELNWB&pg=1 Climate change: Industry raises concerns about delay of EPA guidance on greenhouse gases Daily Environment Report, October 18, 2010 http://news.bna.com/deln/DELNWB/split_display.adp?fedfid=18009561&vname=dennotallissues&wsn=499559000&searchid=13010169&doctypeid=1&type=date&mode=doc&split=0&scm=DELNWB&pg=1 Climate change: White House issues guidance on greenhouse gas emissions reporting for federal agencies Daily Environment Report, October 5, 2010 http://news.bna.com/deln/DELNWB/split_display.adp?fedfid=17880901&vname=dennotallissues&wsn=499747500&searchid=13023260&doctypeid=1&type=date&mode=doc&split=0&scm=DELNWB&pg=1

Air pollution: EPA plans new material for sulfur, nitrogen report Daily Environment Report, October 5, 2010 http://news.bna.com/deln/DELNWB/split_display.adp?fedfid=17873893&vname=dennotallissues&wsn=499817500&searchid=13023260&doctypeid=1&type=date&mode=doc&split=0&scm=DELNWB&pg=1 Chesapeake Bay: Federal plan for bay restoration in 2011 couples millions in aid, enforcement powers Daily Environment Report, October 1, 2010 http://news.bna.com/deln/DELNWB/split_display.adp?fedfid=17854402&vname=dennotallissues&wsn=499877000&searchid=13023260&doctypeid=1&type=date&mode=doc&split=0&scm=DELNWB&pg=1 For Greenwire subscribers (including EPA staff): Water pollution: USDA funds conservation projects that aim to shrink Gulf dead zone Greenwire, November 30, 2010 http://www.eenews.net/Greenwire/2010/11/30/14 Chesapeake Bay: 2 states miss EPA deadline for cleanup plans Greenwire, November 30, 2010 http://www.eenews.net/Greenwire/2010/11/30/15 Agriculture: Boosting crop yields viewed as a national security challenge ClimateWire, November 19, 2010 http://www.eenews.net/climatewire/2010/11/19/3 Water pollution: EPA finalizes Fla. nutrient limits, refutes 'doomsday' cost estimates Greenwire, November 15, 2010 http://www.eenews.net/Greenwire/2010/11/15/3 Chesapeake Bay: Farmers aren't doing enough to prevent pollution -- report Greenwire, October 27, 2010 http://www.eenews.net/Greenwire/2010/10/27/20 Agriculture: Livestock production unsustainable, researchers say ClimateWire, October 6, 2010 http://www.eenews.net/climatewire/2010/10/06/9 For Inside EPA subscribers (including EPA staff): Bolstering EPA efforts, USDA plans to strengthen nutrient guide for farms Water Policy Report, November 22, 2010 http://insideepa.com/Water-Policy-Report/Water-Policy-Report-11/22/2010/bolstering-epa-efforts-usda-plans-to-strengthen-nutrient-guide-for-farms/menu-id-155.html

EPA delays implementation of landmark numeric nutrient rule in Florida Daily News, November 15, 2010 http://insideepa.com/201011152345116/EPA-Daily-News/Daily-News/epa-delays-implementation-of-landmark-numeric-nutrient-rule-in-florida/menu-id-95.html Advisers withhold support for EPA effort to set novel NOx-SOx standard Clean Air Report, November 11, 2010 http://insideepa.com/Clean-Air-Report/Clean-Air-Report-11/11/2010/advisers-withhold-support-for-epa-effort-to-set-novel-nox-sox-standard/menu-id-154.html USDA study highlights limits of farms' voluntary nutrient controls Water Policy Report, November 8, 2010 http://insideepa.com/Water-Policy-Report/Water-Policy-Report-11/08/2010/usda-study-highlights-limits-of-farms-voluntary-nutrient-controls/menu-id-155.html EPA vows to extend controversial Florida nutrient plan to Mississippi Basin Inside EPA, November 5, 2010 http://insideepa.com/Inside-EPA/Inside-EPA-11/05/2010/epa-vows-to-extend-controversial-florida-nutrient-plan-to-mississippi-basin/menu-id-153.html Industry seeks broad fix to EPA water nutrient policies before Florida rule Inside EPA, October 22, 2010 http://insideepa.com/Inside-EPA/Inside-EPA-10/22/2010/industry-seeks-broad-fix-to-epa-nutrient-policies-before-florida-rule/menu-id-153.html Industry, lawmakers fight EPA cleanup efforts in Chesapeake Bay region Inside EPA, October 22, 2010 http://insideepa.com/Inside-EPA/Inside-EPA-10/22/2010/industry-lawmakers-fight-epa-cleanup-efforts-in-chesapeake-bay-region/menu-id-153.html Limited data prompts EPA to issue rare qualitative risk estimate for urea Risk Policy Report, October 12, 2010 http://insideepa.com/Risk-Policy-Report/Risk-Policy-Report-10/12/2010/limited-data-prompts-epa-to-issue-rare-qualitative-risk-estimate-for-urea/menu-id-158.html EPA advisers back novel NOx-SOx air standard but seek key revisions Risk Policy Report, October 12, 2010 http://insideepa.com/Risk-Policy-Report/Risk-Policy-Report-10/12/2010/epa-advisers-back-novel-nox-sox-air-standard-but-seek-key-revisions/menu-id-158.html EPA criticizes states' Chesapeake Bay cleanup plans, releases TMDL Environmental Policy Alert, October 6, 2010 http://insideepa.com/Environmental-Policy-Alert/Environmental-Policy-Alert-10/06/2010/epa-criticizes-states-chesapeake-bay-cleanup-plans-releases-tmdl/menu-id-160.html

Reports Center for Biological Diversity, Clean Air Task Force, Clean Wisconsin, Kentucky Environmental Foundation, Minnesota Center for Environmental Advocacy, Natural Resources Defense Council, Sierra Club Petition [to Hon. Lisa P. Jackson, Administrator, United States Environmental Protection Agency] for rulemaking to correct emissions factors in the mandatory greenhouse gas reporting rule, October 28, 2010. Washington, DC: Sierra Club Environmental Law Program. http://op.bna.com/env.nsf/r?Open=jsun-8asscl Credit Suisse Growth from subtraction: Impact of EPA rules on power markets. New York: Credit Suisse, Americas/United States Equity Research, Electric Utilities (Regulated Utilities/Independent & Integrated Power), September 23, 2010 http://op.bna.com/env.nsf/id/jstn-8actja/$File/suisse.pdf Federal Leadership Committee for the Chesapeake Bay Fiscal year 2011 action plan, Executive Order 13508, Strategy for protecting and restoring the Chesapeake Bay watershed http://executiveorder.chesapeakebay.net/file.axd?file=2010%2f9%2fChesapeake+EO+Action+Plan+FY2011.pdf National Association of Clean Air Agencies NACAA principles for reauthorization of federal surface transportation legislation, October 19, 2010 http://op.bna.com/env.nsf/id/jsun-8agssn/$File/NACAAconform.pdf National Association of Clean Air Agencies NACAA resolution on the need for strong federal control measures to support attainment and maintenance of the National Ambient Air Quality Standard, approved at NACAA Fall 2010 membership meeting, October 19, 2010 http://op.bna.com/env.nsf/id/jsun-8agsqy/$File/NACAAair.PDF North American Electric Reliability Corp. 2010 special reliability scenario assessment: Resource adequacy impacts of potential U.S. environmental regulations. Princeton, NJ: NERC, October 2010. http://www.nerc.com/files/EPA_Scenario_Final.pdf U. S. Environmental Protection Agency 40 CFR Part 98, Mandatory reporting of greenhouse gases: Petroleum and natural gas systems http://www.epa.gov/climatechange/emissions/downloads10/Subpart-W_Preamble-Rule.pdf U. S. Environmental Protection Agency Office of Air Quality Planning and Standards. PSD and Title V permitting guidance for greenhouse gases Research Triangle Park, NC: U.S. EPA OAQPS, November 2010.

http://op.bna.com/env.nsf/r?Open=jsun-8b3mkm The White House Council on Environmental Quality Federal greenhouse gas accounting and reporting guidance, October 6, 2010 http://www.whitehouse.gov/sites/default/files/microsites/ceq/GHG%20Guidance%20Document_0.pdf The White House Council on Environmental Quality Federal greenhouse gas accounting and reporting guidance, technical support document, October 6, 2010 http://www.whitehouse.gov/sites/default/files/microsites/ceq/Technical%20Support%20Document_0.pdf Web Pages Clean Air Act permitting for greenhouse gases http://www.epa.gov/nsr/ghgpermitting.html Source: U.S. Environmental Protection Agency Office of Air Quality Planning and Standards Climate change – Regulatory initiatives: Subpart W – Petroleum and natural gas systems http://www.epa.gov/climatechange/emissions/subpart/w.html Source: U.S. Environmental Protection Agency