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Principal Investigators:

James Ehleringer, University of Utah (US-PI)
Luiz Antonio Martinelli, CENA - Centro de Energia Nuclear na Agricultura (USP) (SA-PI)

 

Abstract 2003:  Carbon and Oxygen Isotope Ratio CO2 Flux Analyses at the Soil, Canopy, and Landscape Scales (View)

 
Resumo 2003:  Razões de Isótopos de Carbono e Oxigênio, Análises de Fluxos de CO2 no Solo, Dosséis em Escalas de Cenários

 

Abstract 1998:  Carbon and Oxygen Isotope Ratio CO2 Flux Analyses at the Soil, Canopy, and Landscape Scales (View)

 

Resumo 1998:  Razões de Isótopos de Carbono e Oxigênio, Análises de Fluxos de CO2 no Solo, Dosséis em Escalas de Cenários

 

LBA-ECO 2002 Business Meeting Poster: 

view/download poster

 

Investigation Duration:   07/1998 - 12/2005

 
 

Participants:

Paulo Artaxo, USP - Universidade de Sao Paulo
Joseph A Berry, Co-Investigator, Carnegie Institution of Washington, Department of Global Ecology
Ândrea Colares, Universidade Federal do Para
Craig Cook, Co-Investigator, University of Utah
Haroldo Jackson Pereira da Silva, UFPA - Universidade Federal do Pará
Alessandro Carioca de Araújo, Programa LBA
Tomas Ferreira Domingues, University of Edinburgh
Shirleane Duarte Ferreira, LBA - Santarém
James Ehleringer, US-PI, University of Utah
Adelaine Michela Figueira, CENA- USP
Rosa Marcia Teixeira Figueiredo, Embrapa Amazônia Oriental
Manoella Galvao, INPA
Francoise Ishida, INPA-AM
Sebastiao Lopes, UFPA - Universidade Federal do Pará
Luiz Antonio Martinelli, SA-PI, CENA - Centro de Energia Nuclear na Agricultura (USP)
Edmar A Mazzi, Esalq/CENA/USP
Gabriela Bielefeld Nardoto, USP - Universidade de Sao Paulo
Antonio Donato Nobre, INPA - Instituto Nacional de Pesquisas na Amazonia
Jean Pierre Ometto, INPE-CST/IGBP
Adam West, University of Utah

 

Research Sites:

Amazonas (Manaus)

Brasília Pará Western (Santarém) Rondonia

 

Training and Education Activities - Accomplished:

Formal Training:

Year
Completed
Activity Description

2000  

  • A number of Brazilian undergraduate students received training in research methods and have participated in collecting research data on water potential, water vapor sampling, leaf isotopic analyses, and photosynthesisrespiration measurements in multiple field campaigns conducted in either Manaus or Santarém:
     
    • Diane Almeida
       
    • Marcelo Gama Guimarães

    • Darlisson Cavalcanti

    • Duarte da Costa

    • Jadson Dizencourt Dias

    • Rose Guimarães

    • José Henrique

    • Ricardo Higushi

    • Nara Oliveira

    • Sewbert Pereira

    • Ligia Cristina Toledo

  • At CENA-USP, Piracicaba, SP, two students received training on stable isotope ratio measurements on the isotope rationing mass spectrometer:
     
    • Hudson Silva
       
    • Edmar Mazzi
       

  • Brazilian doctoral candidate at the University of Utah

    Tomás Domingues was admitted to the Graduate Program at the University of Utah in January 2000. His doctoral research focuses on Functional-response-curve gas exchange measurements and other key photosynthetic parameters needed for carbon-gain modelling conducted at field sites in Manaus and Santarém, Brazil.

Short Courses / Seminars / Workshops / Conferences:

Year
Completed
Activity Description

2000  

  • Plant Ecology and Biology: Implicações Ecológicas das Estratégias Fotossintéticas C3 and C4

    Seminars taught for approximately 50 students at the Faculdades Integradas do Tapajós (FIT) and the Universidade Federal do Pará (UFPA) in Santarém, PA, Brazil, in 1999 and 2000.

2001  

  • Aplicação de isótopos estáveis em estudos ambientais

    Courses on stable isotope ecology involving both theoretical and field sampling strategies taught to approximately 50 undergraduate students in Santarém, Pará, Brazil.

2002  

  • Stable Isotope Ecology and its Relevance to Amazonia Carbon Cycle and Forestry Research

    Several seminars on this subject were organized for:


    • LBA Graduate students, postdocs, and members of the staff at Inpa, in Manaus, Brazil;

    • 70 undergrads and Graduate students from the Universidade Federal do Pará (UFPA) and Facultades Integradas do Tapajós (FIT), in Santarém, Pará, Brazil.

  • Stable Isotopes in Environmental Studies

    A one-week long course taught to approximately 70 undergraduate students at the Universidade Federal do Pará (UFPA) in Santarém, Pará, Brazil.

2003  

  • Plant Physiology Seminars

    During this seminar, held at Inpa, Manaus, Dr. Jean Ometto taught a course on stable isotope.

  • Stable Isotope in Environmental Studies

    Course taught by Dr. Jean Ometto at the Brazilian Congress of Limnology, held at Inpa, Manaus, Brazil.

2004  

  • Semana do Meio Ambiente (Environmental Week)

    During this event, held at IBAMA, in Santarém, Dr. Jean Ometto (CENA-USP) taught a seminar on fundamentals of stable isotopes for undergraduates of local universities.

  • Stable Isotope and Plant Physiology Seminar

    It was taught by Dr. Jean Ometto at the III Simpósio Brasileiro de Pós-Graduação em Engenharia Florestal, held at Inpa, Manaus.

  • Field Ecology of the Amazon

    A short course taught to LBA students at the LBA Training and Education Sector in Santarém, Pará, by Drs. Luiz Martinelli, Plínio Camargo, and Jean Ometto (CENA-USP).

  • Stable Isotopes in Environmental Studies

    Seminar taught by Dr. Jean Ometto (CENA-USP) as part of the graduate course "Hidrogeologia e uso de isótopos ambientais como traçadores de contaminação orgânica no solo” at the Universidade de Joinville (UNIVILLE) in Joinville, SC, Brazil.

Training of South American Participants in U.S.:

Year
Completed
Activity Description

2002  

  • There has been a strong interaction between the isotope ratio labs at CENA and the University of Utah. Standards and technological capabilities have been exchanged between CENA, SIRFER, and Carnegie labs.

    Training opportunities are open to students and technicians involved in LBA's stable isotope studies. As a result of these efforts, this team supported the participation of several Brazilian students in the Annual International Stable Isotope Ecology Course, a highly competitive two-week course offered yearly at the University of Utah in collaboration with fourteen faculties from around the USA.

    Students received training on different lab components in stable isotopes and their ecological applications.

  • LBA graduate student participants included:

    • Alessandro Araújo
    • Enir Costa
    • Tomas Domingues
    • Diana Garcia-Montiel
    • Jean Ometto
    • Rafael Oliveira

  • Dr. Jean Pierre Ometto (CENA-USP) continued a postdoctoral program at the University of Utah, working closely with Drs. Luiz Martinelli and Reynaldo Victoria at CENA which ensures a strong collaboration between U.S. and Brazilian counterparts.

2003  

  • Dr. Jean Pierre Ometto (CENA-USP) continue developing his postdoctoral research on stable isotope analyses at Utah (USA) and CENA-USP.
  • The Brazilian student at CENA-USP, Françoise Yoko Ishida, attended lectures and laboratory short courses as part of the "2003 Stable Isotope Ecology Course held at the University of Utah, USA.

2004  

  • Gabriela Nardoto (CENA-USP) attended the 2004 Stable Isotope Ecology Course at the University of Utah. This brought to 8 the number of Brazilian students supported by this team for training in exchange programs in the US.

 
 

Scheduled STI Site Visits:   more

 

Datasets/Posters Available as of 2014-04-02

Datasets (with related publications, if any)

LBA-ECO CD-02 C and N Isotopes in Leaves and Atmospheric CO2, Amazonas, Brazil

  1. de Araujo, A.C., J. P. H. B. Ometto, A. J. Dolman, B. Kruijt, M. J. Waterloo and J. R. Ehleringer.2008. Implications of CO2 pooling on delta13C of ecosystem respiration and leaves in Amazonian fores. Biogeosciences, 5: 779-795.
LBA-ECO CD-02 Carbon and Oxygen Isotopes in Atmospheric CO2 in the Amazon: 1999-2004

  1. Ehleringer, J.R., D.R. Bowling, L.B. Flanagan, J. Fessenden, B. Helliker, L.A. Martinelli, and J.P. Ometto. 2002. Stable isotopes and carbon cycle processes in forests and grasslands. Plant Biology 4(2):181-189.
  2. Ometto, J. P. H. B., L. B. Flanagan, L. A. Martinelli, M. Z. Moreira, N. Higuchi, and J. R. Ehleringer. 2002. Carbon isotope discrimination in forest and pasture ecosystems of the Amazon Basin, Brazil, Global Biogeochem. Cycles, 16(4), 1109, doi:10.1029/2001GB001462
  3. Ometto, J.P.H., L.B. Flanagan, L.A. Martinelli, and J.R. Ehleringer. 2005. Oxygen isotope ratios of waters and respired CO2 in Amazonian forest and pasture ecosystems. Ecological Applications 15(1):58-70.
LBA-ECO CD-02 Carbon and Oxygen Isotopes in River Water

LBA-ECO CD-02 Carbon, Nitrogen, Oxygen Stable Isotopes in Organic Material, Brazil

  1. Ehleringer, J.R., D.R. Bowling, L.B. Flanagan, J. Fessenden, B. Helliker, L.A. Martinelli, and J.P. Ometto. 2002. Stable isotopes and carbon cycle processes in forests and grasslands. Plant Biology 4(2):181-189.
  2. Martinelli, L.A., J.P.H.B. Ometto, F.Y. Ishida, T.F. Domingues, G.B. Nardoto, R.S. Oliveira, and J.R. Ehleringer. 2007. The use of carbon and nitrogen stable isotopes to track effects of land-use changes in the Brazilian Amazon region. In: TE Dawson & RTW Siegwolf (Eds), Stable isotopes as indicators of ecological changes. Elsevier, San Francisco, EUA, p. 301-318.
  3. Ometto, J.P.H., L.B. Flanagan, L.A. Martinelli, and J.R. Ehleringer. 2005. Oxygen isotope ratios of waters and respired CO2 in Amazonian forest and pasture ecosystems. Ecological Applications 15(1):58-70.
  4. Ometto, J.P.H.B., J.R. Ehleringer, T.F. Domingues, J.A. Berry, F.Y. Ishida, E. Mazzi, N. Higuchi, L.B. Flanagan, G.B. Nardoto, and L.A. Martinelli. 2006. The stable carbon and nitrogen isotopic composition of vegetation in tropical forests of the Amazon Basin, Brazil. Biogeochemistry 79(1-2):251-274.
  5. Ometto, J.P.H.B., L.B. Flanagan, L.A. Martinelli, M.Z. Moreira, N. Higuchi, and J.R. Ehleringer. 2002. Carbon isotope discrimination in forest and pasture ecosystems of the Amazon Basin, Brazil. Global Biogeochemical Cycles 16(4):1109, doi:10.1029/2001GB001462.
LBA-ECO CD-02 Forest Canopy Structure, Tapajos National Forest, Brazil: 1999-2003

  1. Domingues, T.F., J.A. Berry, L.A. Martinelli, J.P.H.B. Ometto, and J.R. Ehleringer. 2005. Parameterization of Canopy Structure and Leaf-Level Gas Exchange for an Eastern Amazonian Tropical Rain Forest (Tapajos National Forest, Para, Brazil). Earth Interactions 9(17):1-23.
LBA-ECO CD-02 Leaf Level Gas Exchange, Chemistry, and Isotopes, Amazonia, Brazil

  1. Domingues, T.F., J.A. Berry, L.A. Martinelli, J.P.H.B. Ometto, and J.R. Ehleringer. 2005. Parameterization of Canopy Structure and Leaf-Level Gas Exchange for an Eastern Amazonian Tropical Rain Forest (Tapajos National Forest, Para, Brazil). Earth Interactions 9(17):1-23.
  2. Domingues, T.F., Martinelli, L. A., Ehleringer, J.R. 2007. Ecophysiological traits of plant functional groups in forest and pasture ecosystems from eastern Amazonia, Brazil. Plant Ecology, v.193, n.1, p.101-112.
LBA-ECO CD-02 Leaf Water Potential, Forest and Pasture Sites, Para, Brazil: 2000-2001

LBA-ECO CD-02 Oxygen Isotopes of Plant Tissue Water and Atmospheric Water Vapor

  1. Ehleringer, J.R., D.R. Bowling, L.B. Flanagan, J. Fessenden, B. Helliker, L.A. Martinelli, and J.P. Ometto. 2002. Stable isotopes and carbon cycle processes in forests and grasslands. Plant Biology 4(2):181-189.
  2. Lai, C.T., J.P.H.B. Ometto, J.A. Berry, L.A. Martinelli, T.F. Domingues, and J.R. Ehleringer. 2008. Life form-specific variations in leaf water oxygen-18 enrichment in Amazonian vegetation. Oecologia 157(2):197-210. DOI 10.1007/s00442-008-1071-5.
  3. Ometto, J.P.H., L.B. Flanagan, L.A. Martinelli, and J.R. Ehleringer. 2005. Oxygen isotope ratios of waters and respired CO2 in Amazonian forest and pasture ecosystems. Ecological Applications 15(1):58-70.


 

Publications:

de Camargo PB, Trumbore SE, Martinelli LA, Davidson EA, Nepstad DC, Victoria RL. (1999) Soil carbon dynamics in regrowing forest of eastern Amazonia. Global Change Biology, 5, 693-702. (abstract)

Magnusson WE, de Araujo MC, Cintra R, Lima AP, Martinelli LA, Sanaiotti TM, Vasconcelos HL, Victoria RL. (1999) Contributions of C-3 and C-4 plants to higher trophic levels in an Amazonian savanna. Oecologia, 119, 91-96. (abstract)

Martinelli LA, Almeida S, Brown IF, Moreira MZ, Victoria RL, Filoso S, Ferreira CAC, Thomas WW. (2000) Variation in nutrient distribution and potential nutrient losses by selective logging in a humid tropical forest of Rondonia, Brazil. Biotropica, 32, 597-613. (abstract)

Magnusson WE, Lima AP, Faria AS, Victoria RL, Martinelli LA. (2001) Size and carbon acquisition in lizards from Amazonian savanna: Evidence from isotope analysis. Ecology, 82, 1772-1780. (abstract)

Ehleringer JR, Bowling DR, Flanagan LB, Fessenden J, Helliker B, Martinelli LA, Ometto JP. (2002) Stable isotopes and carbon cycle processes in forests and grasslands. Plant Biology, 4, 181-189. (abstract)

Ometto JPHB, Flanagan LB, Martinelli LA, Moreira MZ, Higuchi N, Ehleringer JR. (2002) Carbon isotope discrimination in forest and pasture ecosystems of the Amazon Basin, Brazil. Global Biogeochemical Cycles, 16. (abstract)

Martinelli LA, Moreira MZ, Ometto JPHB, Alcarde AR, Rizzon LA, Stange E, Ehleringer JR. (2003) Stable carbon isotopic composition of the wine and CO2 bubbles of sparkling wines: Detecting C-4 sugar additions. Journal of Agricultural and Food Chemistry, 51, 2625-2631. (abstract)

Bernardes MC, Martinelli LA, Krusche AV, Gudeman J, Moreira M, Victoria RL, Ometto JPHB, Ballester MVR, Aufdenkampe AK, Richey JE, Hedges JI. (2004) Riverine organic matter composition as a function of land use changes, Southwest Amazon. Ecological Applications, 14, 263-279. (abstract)

Martinelli LA, Gat JR, de Camargo PB, Lara LL, Ometto JPHB. (2004) The Piracicaba River basin: Isotope hydrology of a tropical river basin under anthropogenic stress. Isotopes in Environmental and Health Studies, 40, 45-56. (abstract)

Domingues TF, Berry JA, Martinelli LA, Ometto JPHB, Ehleringer JR. (2005) Parameterization of Canopy Structure and Leaf-Level Gas Exchange for an Eastern Amazonian Tropical Rain Forest (Tapajos National Forest, Para, Brazil). Earth Interactions, 9, 1-23. (abstract)

Ometto JPH, Flanagan LB, Martinelli LA, Ehleringer JR. (2005) Oxygen isotope ratios of waters and respired CO2 in Amazonian forest and pasture ecosystems. Ecological Applications, 15, 58-70. (abstract)

Ometto JPHB, Nobre AD, Rocha HR, Artaxo P, Martinelli LA. (2005) Amazonia and the modern carbon cycle: lessons learned. Oecologia, 143, 483-500. (abstract)

Ometto JPHB, Ehleringer JR, Domingues TF, Berry JA, Ishida FY, Mazzi E, Higuchi N, Flanagan LB, Nardoto GB, Martinelli LA. (2006) The stable carbon and nitrogen isotopic composition of vegetation in tropical forests of the Amazon Basin, Brazil. Biogeochemistry, 79, 251-274. http://dx.doi.org/10.1007/s10533-006-9008-8 (abstract)

Domingues TF, Martinelli LA, Ehleringer JR. (2007) Ecophysiological traits of plant functional groups in forest and pasture ecosystems from eastern Amazonia, Brazil. Plant Ecology, 193, 101-112. (abstract)

Martinelli LA, Ometto JPHB, Ishida FY, Domingues TF, Nardoto GB, Oliveira RS, Ehleringer JR. The use of carbon and nitrogen stable isotopes to track effects of land-use changes in the Brazilian Amazon region., in Stable isotopes as indictors of ecological changes, edited by Dawson TE and Siegwolf RTW, pp. 301-318, Elsevier, San Francisco, 2007.

de Araujo AC, Ometto JPHB, Dolman AJ, Kruijt B, Waterloo MJ, Ehleringer JR. (2008) Implications of CO2 pooling on delta C-13 of ecosystem respiration and leaves in Amazonian forest. Biogeosciences, 5, 779-795. (abstract)

Lai CT, Ometto JPHB, Berry JA, Martinelli LA, Domingues TF, Ehleringer JR. (2008) Life form-specific variations in leaf water oxygen-18 enrichment in Amazonian vegetation. Oecologia, 157, 197-210. http://dx.doi.org/10.1007/s00442-008-1071-5 (abstract)

 

Matrix of Publications-Datasets:  more

 

Science Questions:

Carbon Dynamics:

        CD-Q1 - What is the (climatically driven) seasonal and interannual variability of the carbon dioxide flux between the atmosphere and different land cover/use types?
        CD-Q2 - How do biological processes such as mortality and recruitment or succession following land use change influence the net annual carbon balance for different land cover and land use types?
        CD-Q3 - What are the relative contributions of fluxes from natural and disturbed ecosystems to the net Amazônia-wide flux?
        CD-Q3b - How does selective logging change the storage and cycling of carbon in forests?
 
 
 
 
 
 

Other Research Teams:

CD-01  -  CD-03  -  CD-04  -  CD-05  -  CD-06  -  CD-07  -  CD-08  -  CD-09  -  CD-10  -  
CD-11  -  CD-12  -  CD-14  -  CD-15  -  CD-17  -  CD-18  -  CD-30  -  CD-31  -  CD-32  -  
CD-33  -  CD-34  -  CD-35  -  CD-36  -  CD-37  -  CD-40  -  CD-41  -  LC-01  -  LC-02  -  
LC-03  -  LC-04  -  LC-05  -  LC-06  -  LC-07  -  LC-08  -  LC-09  -  LC-10  -  LC-11  -  
LC-12  -  LC-13  -  LC-14  -  LC-15  -  LC-16  -  LC-21  -  LC-22  -  LC-23  -  LC-24  -  
LC-30  -  LC-31  -  LC-32  -  LC-33  -  LC-34  -  LC-35  -  LC-36  -  LC-37  -  LC-38  -  
LC-39  -  ND-01  -  ND-02  -  ND-03  -  ND-04  -  ND-06  -  ND-07  -  ND-08  -  ND-09  -  
ND-10  -  ND-11  -  ND-30  -  ND-31  -  PC-30  -  TG-01  -  TG-02  -  TG-03  -  TG-04  -  
TG-05  -  TG-06  -  TG-07  -  TG-08  -  TG-09  -  TG-10  -  TG-30  -  TG-31  -  TG-32

 


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