Poster # 197. Cocke, Meagan^*,1, Drinkwater, Laurie¹, ¹ Cornell University, Ithaca, NY, Shifts in soybean nitrogen fixation across a management-induced soil fertility gradient.

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Poster # 198. Nesbitt, Johanna^*,1, Adl, Sina^*,1, ¹ Dalhousie University, Halifax, Nova Scotia, Canada, Indicators of soil quality in organic and conventional potato fields in the Maritimes.

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Poster # 199. Ahrens, Toby¹, Matson, Pamela¹, Fendorf, Scott¹, ¹ Stanford University, Stanford, CA, Spatially-variable ammonium fixation in an irrigated agricultural system in northwestern Mexico.

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Poster # 200. Choi, Won Il^*,1, Moorhead, Daryl ², Neher, Deborah¹, Ryoo, Mun Il³, ¹ University of Vermont, Burlington, VT, USA² University of Toledo, Toledo, OH, USA³ Korea University, Seoul, Korea, A modeling study of soil temperature and moisture effects on population dynamics of Paronychiurus kimi (Collembola: Onychiuridae).

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Poster # 201. Drinkwater, Laurie^*,1, Tonitto, Christina¹, Cocke, Meagan, Vanek, Steven, ¹ Department of Horticulture, Ithaca, NY, USA, Effect of management history and soil organic matter pool composition on microbially mediated N transformations.

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Poster # 202. Dupuis, Eartha^*,1, Whalen, Joann¹, ¹ Macdonald Campus of McGill University, Ste. Anne-de-Bellvue, Quebec, Canada, Soil microbial community responses to organic fertilizer applications in a wheat agroecosystem.

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Poster # 203. Eriksen-Hamel, Nikita ¹, Whalen, Joann¹, ¹ Macdonald Campus, Montreal, Quebec, Canada, Earthworm community dynamics in field enclosures under soybean production.

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Poster # 204. Gao, Junxia^{1, 1}, Li, Guifang^*,, Liu, Zuoxin, ¹ Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, China, Identification and field control effect of Aspergillus flavus in maize field.

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Poster # 205. Gentile, Roberta^*,1, Nhamo, Pauline¹, Vanlauwe, Bernard², van Kessel, Chris¹, Six, Johan¹, ¹ University of California, Davis, CA² TSBF-CIAT, Nairobi, Kenya, Interaction between organic and mineral resource inputs on emissions of CO₂ and N₂O from different soil textures and residue qualities.

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Poster # 206. Lee, Richard^*,1, Wych, Joseph^*,1, McConnaughay, Kelly, Morris, Sherri, ¹ Bradley University, Peoria, IL, United States, Physiological and Growth Responses of Soybeans to Nighttime Carbon Dioxide Enrichment.

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Poster # 207. Perreault, Jonahtan^*,1, Whalen, Joann¹, ¹ Department of Natural Resource Science, Ste. Anne de Bellevue, Quebec, Canada, Earthworm cast production in a soybean agroecosystem.

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Poster # 208. Ristaino, Jean¹, Lui, Bo¹, Hu, Shuijin¹, Gumpertz, Marcia², ¹ Department of Plant Pathology, Raleigh, NC, 27695² Department of Statistics, Raleigh, NC, 27695, Influence of microbial species and functional diversity in soils on pathogen dispersal and ecosystem processes in organic and conventional agroecosystems.

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Poster # 209. Robson, T. Matthew^*,1, Lavorel, Sandra¹, ¹ Université Joseph Fourier, Grenoble, France, Response of nutrient cycling in a sub-alpine ecosystem to current and historic agricultural practices.

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Poster # 210. Semenov, Alexander^*,1, van Bruggen, Ariena¹, Semenov, Alexander², van Overbeek, Leo³, Termorshuizen, Aad¹, ¹ Biological Farming Systems, Wageningen, the Netherlands² Dept. of Microbiology, Moscow, Russia³ Plant Research International B.V., Wageningen, the Netherlands, Influence of temperature fluctuations on Salmonella typhimurium and E. coli O157:H7 survival in manure.

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Poster # 211. Van Bloem, Skip^{1, 2}, Leakey, Andrew ³, Gonzalez Meler, Miquel⁴, Ort, Donald³, Long, Stephen³, Thomas, Richard ², ¹ University of Puerto Rico, Mayaguez, PR, United States² West Virginia University, Morgantown, WV, United States³ Univerisity of Illinois, Urbana--Champaign, IL, United States⁴ University of Illinois, Chicago, Chicago, IL, United States, Effects of CO₂ and drought on N₂ fixation in field-grown soybean plants.

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Poster # 212. Vukomanovic, Dragic^*,1, Cutler, Joshua², Dinon, Sarah², Rasch, Jennifer², Rajaniemi, Tara², Scarano, Frank³, ¹ Department of Chemistry and Biochemistry, North Dartmouth, Massachusetts, U.S.A.² Department of Biology, North Dartmouth, Massachusetts, U.S.A.³ Department of Medical Lab. Science, North Dartmouth, Massachusetts, U.S.A, Phenazine antibiotics derived from environmental organisms: role in rhizosphere ecology and pathogen suppression.

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Poster # 213. Wantai, Yu^*,1, Shanmin, Shen^*,, Lu, Zhang^*,, Qiang, Ma^*,, Shaohua, Zhao^*,, ¹ Institute of Applied Ecology of Chinese Academy of Sciences, Shenyang, Liaoning, China, Relationship between water-stable aggregates and soil nutrients in phaeozem after reclamation.

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Poster # 214. Powell, Jeff^*,1, Kuczynski, Eva¹, Klironomos, John¹, ¹ University of Guelph, Guelph, ON, Canada, Is there a role for mycorrhizal fungi in genetically-modified, herbicide-tolerant cropping systems?

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Poster # 215. Dauer, Joseph^*,1, Mortensen, David², Humston, Robert³, ¹ The Pennsylvania State University, University Park, PA² The Pennsylvania State University, University Park, PA³ Virginia Military Institute, Lexington, VA, The role of wind dispersal in spreading a glyphosate-resistant weed.

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Poster # 216. Ishizuka, Daigo¹, Horisaki, Atsushi², Niikura, Satoshi², Konuma, Akihiro^*,3, ¹ Graduate School of Science and Technology, Niigata, Niigata, Japan² Tohoku Seed Co., Utsunomiya, Tochigi, Japan³ Plant Ecology Group, Tsukuba, Ibaraki, Japan, An applied ecological study on the F₁ seed production of brassicaceous vegetables.
Flowering synchronization and pollinator visitation; which is more influenced factor on inter-line crossing?

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Poster # 217. Kim, Jae-Eun^*,1, Hong, Sun-Kee², Nakagoshi, Nobukazu³, ¹ IDEC, Hiroshima University, Higashi-Hiroshima, Japan² Forest Science Institute, Kookmin University, Seoul, Korea³ IDEC, Hiroshima University, Higashi-Hiroshima, Japan, Vegetation dynamics with rural landscape changes in East Asia.

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Poster # 218. Kim, Sung Pil^*,1, Oh, Yong Ju¹, Han, Min Su¹, Na, Young Eun¹, Kim, Jin Ho¹, ¹ National Institute of Agricultural Science and Technology, RDA, Suwon, Rep.of Korea, The Quality of Water and Distribution of Vegetation.

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Poster # 219. Mauchline, Alice¹, Cussans, John², Hurley, Rose, Brown, Valerie, Froud-Williams, Robert, ¹ The University of Reading, Reading, UK² Rothamsted Research, Harpenden, UK, Population dynamics of arable weeds: Extent of weed seed decline in cereal fields due to predation.

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Poster # 220. Poggio, Santiago^*,1, Ghersa, Claudio^{1, 2}, Chaneton, Enrique^{1, 2}, ¹ Facultad de Agronomía, Universidad de Buenos Aires, Buenos Aires, Argentina.² IFEVA-CONICET, Buenos Aires, Argentina., Test of species richness saturation in weed communities associated with functionally contrasting field crops.

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Poster # 221. Prendeville, Holly^*,1, Pilson, Diana ¹, ¹ University of Nebraska, Lincoln, NE, USA, Effects of virus-resistant transgenic squash on pollinator behavior.

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Poster # 222. Schutte, Brian¹, Regnier, Emilie ¹, Harrison, S. Kent ¹, ¹ The Ohio State University, Columbus, OH, USA, Maternal plants as sources of emergence variation within Ambrosia trifida populations.

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Poster # 223. Blackshaw, Rod^*,1, Vernon, Bob², ¹ University of Plymouth, Plymouth, UK² Pacific Agriculture Research Centre, Agassiz, British Columbia, Canada, Spatio-temporal stability of Agriotis lineatus and Agriotis obscurus populations in an agricultural landscape.

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Poster # 224. Fleury, Dominique^{*,1, 2}, Vincent, Charles¹, Mauffette, Yves², ¹ Agriculture and Agri-Food Canada, Saint-Jean-sur-Richelieu, Québec, Canada² Université du Québec À Montréal (ESI), Montréal, Québec, Canada, Seasonal abundance of Lygus lineolaris in Quebec vineyard and its effect on yield.

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Poster # 225. Hernandez-Hernandez, Juan¹, Castellanos, Ignacio^*,1, Martinez-Morales, Miguel¹, Moreno, Claudia¹, Sanchez-Rojas, Gerardo¹, Zuria, Iriana¹, ¹ Universidad Autonoma del Estado de Hidalgo, Pachuca, Hidalgo, Mexico, Carrion beetle distribution in an agricultural landscape in Hidalgo, Mexico: the role of forest remnants and food availability.

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Poster # 226. Hicks, Helen^*,1, Blackshaw, Rod¹, Edgecombe, Victoria¹, ¹ University of Plymouth, Plymouth, UK, Spatial distribution of tipulid larvae in agricultural grassland.

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Poster # 227. Homsher, Ryan¹, Cady, Alan^*,1, ¹ Miami University, Oxford, OH, USA, Activity cycles and vertical stratification of spiders in cornfields.

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Poster # 228. Rypstra, Ann^*,1, Buddle, Christopher², ¹ Miami University, Hamilton, Ohio, USA² McGill University, Montreal, Quebec, Canada, Silk reduces plant damage caused by pest insects.

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Poster # 229. Sackett, Tara^{*,1, 2}, Buddle, Chris¹, Vincent, Charles², ¹ McGill University, Ste. Anne de Bellevue, Quebec, Canada² Agriculture and Agri-Food Canada, Saint-Jean-sur-Richelieu, Quebec, Canada, Spider assemblages in apple orchards: how adjacent habitat structure influences potential source populations.

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Poster # 231. Brandner, Thomas^*,1, ¹ Edgewood College, Madison, Wisconsin, Agrobiomes: A different way to think about sustainability.

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Poster # 232. Javorek, Steve¹, Antonowitsch, Rolfe², Callaghan, Carolyn^*,3, Grant, Matt¹, Weins, Ted, ¹ Agriculture and Agri-Food Canada, Kentville, NS, Canada² Agriculture and Agri-Food Canada, Regina, SK, Canada³ Agriculture and Agri-Food Canada, Ottawa, ON, Canada, Assessing wildlife habitat capacity on farmland in Canada.

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Poster # 233. Kroger, Robbie^*,1, Holland, Marjorie¹, Moore, Matt², Cooper, Charlie², ¹ Department of Biology, University of Mississippi, University, MS, U.S.A.² USDA-ARS, National Sedimentation Laboratory, Oxford, MS, U.S.A., Luxury uptake and nutrient flux of wetland plants within agricultural drainage ditches in Mississippi.

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Poster # 234. Mishima, Shin-ichiro^*,1, Taniguchi, Satoru, Komada, MIchio, ¹ National Institute for Agro-Environmental Sciences, Tsukuba, Ibaraki, Japan, Life cycle assessment for agricultuer in mid-baisn scale in Japan.

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Poster # 235. Paule, Audrey^*,1, Pai, Aswini¹, ¹ St. Lawrence University, Canton, New York, USA, Field margins as reservoirs of biodiversity in agricultural landscapes in Chiang Dao, Thailand.

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Poster # 236. Pisani Gareau, Tara, , Farmscaping with hedgerows in the central coast of California: Examining the potential for biological control.

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Poster # 237. Powers, Michael^*,1, ¹ San Jose State University, San Jose, California, Vegetated filter strips: Using creeping wild rye (Leymus triticoides) to reduce agricultural non-point source pollution.

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Poster # 238. Ren, Wei^{1, 2}, Tian, Hanqin^*,2, Liu, Mingliang², Melillo, Jerry ³, Reilly, John³, ¹ Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, PR China;, Beijing, China² School of Forestry and Wildlife Sciences, Auburn University, Auburn, AL, USA³ The Ecosystem Center, Marine Biological Laboratory, Woods Hole, MA, USA, Crop productivity and trace gas emission in agricultural ecosystems: The Agricultural Ecosystem Model (AEM) and its applications to China.

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Poster # 239. Zuria, Iriana^{*,1, 2}, Gates, J. Edward², Castellanos, Ignacio¹, ¹ Centro de Investigaciones Biologicas, Pachuca, Hidalgo, Mexico² Appalachian Laboratory, Frostburg, Maryland, USA, Species richness and abundance of birds in field margins of central Mexico: Local and landscape-scale effects.

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