COS 40 - Invasion: Ecosystem Processes

Tuesday, August 7, 2012: 8:00 AM-11:30 AM
E144, Oregon Convention Center
8:00 AM
 From native to non-native: The influence of species identity and regional factors on ecosystem processes and properties following the introduction of lodgepole pine to northern Sweden
Anne C.S. McIntosh, University of Alberta; S. Ellen Macdonald, University of Alberta; Michael Gundale, Swedish University of Agricultural Sciences
8:20 AM
 Impact of feral pig (Sus scrofa) removal on soil carbon fluxes in Hawaiian tropical montane wet forest
Michael S. Long, University of Hawaii at Manoa; Creighton M. Litton, University of Hawaii at Manoa; Christian P. Giardina, USDA Forest Service; Jed P. Sparks, Cornell University
8:40 AM
 Effect of polyphenol-rich litter on soil organic matter composition: Consequences of invasion by the plant Polygonum cuspidatum
Mioko Tamura, Clemson University; Nishanth Tharayil, Clemson University; Peter Alpert, University of Massachusetts
9:00 AM
 The impact of smooth brome on nitrogen cycling processes in a fescue grassland
Candace L. Piper, University of Saskatchewan; Eric G. Lamb, University of Saskatchewan; Steven D. Siciliano, University of Saskatchewan
9:20 AM
 Functional attributes of exotic-dominated old fields and native remnant grasslands in the Inland Pampa, Argentina
Laura Yahdjian, IFEVA, Facultad de Agronomía, Universidad de Buenos Aires, CONICET; Pablo A. Montes, IFEVA - CONICET - University of Buenos Aires; Enrique J. Chaneton, IFEVA-CONICET, Universidad de Buenos Aires
9:40 AM
9:50 AM
 Seasonal suppression of N cycling by the invasive, clonal plant Polygonum cuspidatum
Nishanth Tharayil, Clemson University; Peter Alpert, University of Massachusetts; Prasanta Bhowmik, University of Massachusetts; Patrick Gerard, Clemson University
10:10 AM
 Meta-analysis of ecosystem function response to variation in native-exotic dominance
Kathryn L. Amatangelo, Brown University; Dov F. Sax, Brown University
10:30 AM
 Exotic ecosystem engineer alters ecosystem structure and function in Patagonia
M. Noelia Barrios-Garcia, University of Tennessee; Daniel Simberloff, The University of Tennessee; Aimee T. Classen, University of Tennessee, Knoxville
10:50 AM
 Phragmites invasion slows carbon and nutrient turnover and alters microbial communities in a Great Lakes Coastal wetland
Kristi E. Judd, Eastern Michigan University; Steven N. Francoeur, Eastern Michigan University; Jennifer K. Kirk, Eastern Michigan University; Shawn T. Duke, Eastern Michigan University
11:10 AM
 The effects of insect biological control on a Tamarix invaded ecosystem: ecosystem water and carbon dioxide fluxes and plant-level responses
Keirith A. Snyder, USDA Agricultural Research Service; Russell L. Scott, USDA-ARS; Kenneth McGwire, Desert Research Institute; Timothy J. Jones, USDA Agricultural Research Service; Shauna M. Uselman, University of Nevada, Reno