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  • 20 06

    10 th

    LBA- ECO Science Team

    M e e t i n g

    2006 Synthesis I n t e g r a t i o n Modeling

    October 4-6, 2006 Brasília, DF, Brazil

    BOOK OF ABSTRACTS

  • About this Book This Book of Abstracts contains the oral and poster abstracts scheduled to be presented at the LBA-ECO 10th Science Team Meeting. The book is organized as follows: • Table of Contents (in electronic version, see pdf bookmarks for navigation) • Oral Abstracts in chronological order by session • Poster Abstracts grouped by LBA science theme and organized by presenter's last name • Index of first author, ordered by last name • Index of all authors, ordered by last name • Index by LBA science theme This book is available online: http://www.lbaeco.org/lbaeco/meeting10/ab_intro.htm

  • Table of Contents • Names in italics are Presenters.

    Parallel Oral Session 1 1A: Land Surface, Climate, and Hydrology

    Chairs: Michael Coe, Renato Ramos-da-Silva

    1.1 The hydrometeorology of the Amazon basin and its global teleconnections (Roni Avissar, Renato Ramos da Silva, David Werth, Natalia Hasler)

    1.2 Scenarios of Deforestation and their Impact on the Amazon Basin Hidrometeorology (Renato Ramos-da- Silva, David Werth, Roni Avissar)

    1.3 Climate change in Amazonia caused by soybean cropland expansion, as compared to caused by pastureland expansion (Marcos H Costa, Silvia N M Yanagi, Paulo J Oliveira, Aristides Ribeiro, Edson Rocha)

    1.4 An Econometric Approach to Amazon Landscapes and Assessing Their Hydroclimatological Impacts (Nathan Moore, Eugenio Arima, Robert Walker, Alex Pfaff, Eustaquio Reis, Marcellus Caldas, Claudio Bohrer, Juan Andrés Robalino)

    1.5 Is it deforestation affecting the discharge of the major Amazon Rivers? (Ralph Trancoso, Arnaldo Carneiro Filho, Javier Tomasella)

    1.6 Numerical analysis of the Hydrology of Amazonia 1939-1998 (Michael T Coe, Marcos Heil Costa, Erica A Howard)

    1B: Nutrient Cycling in Terrestrial and Aquatic Systems

    Chairs: Luciene Lara, Mark Johnson

    2.1 Effects of land use change on stream water chemistry in three meso-scale catchments in Eastern Amazonia (Ricardo de Oliveira Figueiredo, Daniel Markewitz, Eric Atlas Davidson, Marysol A.E. Schuler, Patrício de Sousa Silva, Lívia Gabrig T. Rangel-Vasconcelos, Renata Tuma Sabá Paes, Lilianne Maia Lima)

    2.2 Watershed Scale and the Importance of Riparian Zones in Modifying Solute Inputs from Land to Streams (Christopher Neill, Helmut Elsenbeer, Alex V. Krusche, Joaquin Chaves)

    2.3 Nutrient dynamics in nested catchments at nested time scales: trends in hydrologic exports from 1st and 2nd order watersheds in the seasonally dry Southern Amazon (Mark S Johnson, Eduardo Guimarães Couto, Johannes Lehmann, Susan J Riha)

    2.4 Scaling changes in biogeochemistry of small streams to the landscape: Using 15N to Trace N Transformations and Transport (Linda A Deegan, Chris Neill, M. Victoria Ballester, Alex Krusche, Reynaldo Victoria)

    2.5 Atmospheric deposition (wet and dry) and nutrient cycles in Amazon Basin (Luciene Lara, Theotonio Pauliquevis, Paulo Artaxo)

    2.6 Organic Material Decomposition and Mineral Nutrient Dynamics in a Leguminous Tree-Enriched Mulch System in Amazon (José Henrique Cattanio, Ronald Kuehne, Paul Vlek)

    1C: Carbon Fluxes in Upland Ecosystems

    Chairs: Lucy Hutyra, TBD

    3.1 Drought induced reductions in the Aboveground NPP of a east-central Amazon forest: results from a large- scale partial throughfall exclusion experiment. (Brando Monteiro Brando, Daniel Curtis Nepstad, David Ray, Gina Cardinot)

    3.2 Necromass Creation in an Amazon Forest: Examination of Undisturbed and Logged Forest Sites (Michael Palace, Michael Keller, Hudson Silva)

    3.3 The Effects of Selective Logging on Tropical Forest-Atmosphere Exchange (Scott Miller, Mike Goulden, Humberto Rocha, Helber Freitas)

    1

  • 3.4 What is the role of climate in controlling the exchange of carbon and water in an Amazonian rainforest? (Lucy R. Hutyra, James W. Munger, Scott R. Saleska, Plinio B. Camargo, Steven C. Wofsy)

    3.5 Long-term evolution of nighttime turbulent carbon flux at the LBA pasture/agricultural site (Otávio C Acevedo, Osvaldo L L Moraes, David R Fitzjarrald, Ricardo K Sakai, Mathew Czicowski, José Galúcio Campos)

    3.6 Some Interesting Features of the Nocturnal Boundary Layer Above Caxiuanã Amazonian Rain Forest Using High Resolution Simulation (Daniele Santos Nogueira, Júlia Clarinda Paiva Cohen, Leonardo Deane de Abreu Sá, Adilson Wagner Gandu)

    1D: Rates and Patterns of Land Use Change

    Chairs: Douglas Morton, Evlyn Novo

    4.1 Demographic dynamics in the Brazilian Amazon region (Daniel Joseph Hogan, Roberto Luiz do Carmo)

    4.2 Landscape fragmentation in the Brazilian Amazon - An analysis based on deforestation data derived from Landsat imagery (Diogenes S Alves, Mateus Batistella, Claudia A Linhares, Emilio F Moran)

    4.3 From the Landscape to the Region: Scaling up Approaches in Human and Physical Dimensions of Land-Use and Land-Cover Change in the Amazon (Mateus Batistella, Diogenes Alves, Dengsheng Lu, Emilio F. Moran, Eduardo S. Brondizio, Alvaro D'Antona)

    4.4 Distinguishing Between Conversion and Maintenance Fires in the Amazon (Douglas Christopher Morton, Ruth Sarah DeFries, Wilfrid Schroeder, Louis Giglio, Jim Randerson, Guido Van der Werf, Ivan Csiszar, Jeff Morisette)

    4.5 Spatial variability of the deforestation along the Amazon River main steam floodplain (Evlyn M. Novo, Adriana G. Affonso, Laura L. Hess, John M. Melack)

    Parallel Oral Session 2 2A: Hydrological and Meteorological Processes

    Chairs: David Fitzjarrald, Gina Cardinot

    5.1 The leaf water uptake role in the water economy of Amazonian tropical trees. (Gina Knust Cardinot, Leonel Sternberg, Marcelo Zacarias Moreira, Daniel Curtis Nepstad)

    5.2 Local circulations and climate data in the eastern Amazon region (David Roy Fitzjarrald, Ricardo Kendi Sakai, Osvaldo M. M. Moraes, Otavio C. Acevedo, Matthew J. Czikowsky, Maria Assunção F. Silva Dias, Rodrigo da Silva)

    5.3 The origin of stream flows in small Amazon forest and pasture watersheds: an end-member mixing analysis approach (Joaquín E. Chaves, Christopher Neill, Helmut Elsenbeer, Alex V. Krusche, Sonja Germer, Sérgio Candido de Gouveia Neto)

    5.4 Hydrological impacts of forest conversion to grassland in small catchments in Brazilian Amazonian (Ralph Trancoso, Javier Tomasella, Arnaldo Carneiro Filho, Maria Terezinha Ferreira Monteiro, Daniel Andrés Rodriguez, Rita de Cássia da Silva, Luz Adriana Cuartas, Antonio H. L. do Nascimento, Tomé H. L. do Nascimento)

    5.5 Land-Water Synthesis: Controls on the Regional Water Balances of Amazonia 1970-2005 (Michael T Coe)

    5.6 Water circulation dynamics in Amazon river/Curuai floodplain system: a remote sensing approach (Claudio Clemente Faria Barbosa, Evlyn Novo, John Melack)

    2B: The Changing Amazon Landscape

    Chairs: Emilio Moran, Maria del Carmen Vera-Diaz

    6.1 Myths and Perspectives on Land-Use and Land-Cover Change in the Amazon (Emilio F. Moran, Mateus Batistella, Diogenes Alves)

    6.2 Tracking the Fate of Deforested Land in the Tropics: Critical New Inputs for Ecosystem Service Evaluation (Holly Gibbs, Jonathan Foley, Navin Ramankutty)

    6.3 Are Amazon cattle ranchers becoming better land stewards? (Daniel Curtis Nepstad, Oswaldo Carvalho, Jr., Kemel Kalif, Oriana Trinidade Almeida, Claudia Stickler, Gina Knust Cardinot)

    6.4 Assessing the Effect of Madera's Energy and Transportation Infrastructure Projects on Soybean Expansion (Maria del Carmen Vera-Diaz, John Reid, Britaldo Soares-Filho, Robert Kaufmann, Dan Nepstad)

    6.5 The Effects of Climate Change on Brazilian Agricultural Profitability and Land use (Kathryn Gregory Anderson, Eustáquio J. Reis)

    2

  • 2C: Trace Gases and Aerosols

    Chairs: Joost van Haren, Luciana Gatti

    7.1 Amazon forest tree species composition influences soil fluxes of CO2 and N2O (Joost van Haren, Scott Saleska, Alfredo Huete, Michael Keller, Raimundo Cosme Oliveira)

    7.2 An integrated assessment of soil and fire emissions of greenhouse gases from slash-and-burn and chop- and-mulch agriculture in the eastern Amazon (Eric A Davidson, Tatiana D. d A. Sá, Claudio Reis de Carvalho, Ricardo de O. Figueiredo, Francoise Yoko Ishida, Renata T Sabá, Elisana B. dos Santos, Jorge F.B. Freitas)

    7.3 Spatial and seasonal variations in the carbon isotopic composition of methane over a five-year period in stream sediments of eastern Amazonia (Jose Mauro S Moura, Christopher S Martens, Marcelo Z Moreira, Risonaldo L Lima, Irene Cibelle G Sampaio, Howard P Mendlovitz)

    7.4 CO2 Profiles Over Central Amazon (Luciana Vanni Gatti, Monica Tais Siqueira D'

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