Seasonal differences in isoprene and light-dependent monoterpene emission by Amazonian tree species

Detalhes bibliográficos
Autor(a) principal: Tavares, Tânia Mascarenhas
Data de Publicação: 2004
Outros Autores: Kuhn, U., Rottenberger, S., Biesenthal, T., Wolf, A., Schebeske, G., Ciccioli, P., Brancaleoni, E., Frattoni, M., Kesselmeier, J.
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UFBA
Texto Completo: http://repositorio.ufba.br/ri/handle/ri/14134
Resumo: Texto completo: acesso restrito. p. 663–682
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spelling Tavares, Tânia MascarenhasKuhn, U.Rottenberger, S.Biesenthal, T.Wolf, A.Schebeske, G.Ciccioli, P.Brancaleoni, E.Frattoni, M.Kesselmeier, J.Tavares, Tânia MascarenhasKuhn, U.Rottenberger, S.Biesenthal, T.Wolf, A.Schebeske, G.Ciccioli, P.Brancaleoni, E.Frattoni, M.Kesselmeier, J.2013-12-13T11:31:57Z20041354-1013http://repositorio.ufba.br/ri/handle/ri/14134v. 10, n. 5Texto completo: acesso restrito. p. 663–682Whereas for extra-tropical regions model estimates of the emission of volatile organic compounds (VOC) predict strong responses to the strong annual cycles of foliar biomass, light intensity and temperature, the tropical regions stand out as a dominant source year round, with only little variability mainly due to the annual cycle of foliar biomass of drought-deciduous trees. As part of the Large Scale Biosphere Atmosphere Experiment in Amazônia (LBA-EUSTACH), a remote secondary tropical forest site was visited in the dry-to-wet season transition campaign, and the trace gas exchange of a strong isoprene emitter and a monoterpene emitter are compared to the wet-to-dry season transition investigations reported earlier. Strong seasonal differences of the emission capacity were observed. The standard emission factor for isoprene emission of young mature leaves of Hymenaea courbaril was about twofold in the end of the dry season (111.5 μgC g−1 h−1 or 41.2 nmol m−2 s−1) compared to old mature leaves investigated in the end of the wet season (45.4 μgC g−1 h−1 or 24.9 nmol m−2 s−1). Standardized monoterpene emission rate of Apeiba tibourbou were 2.1 and 3.6 μgC g−1 h−1 (or 0.3 and 0.8 nmol m−2 s-1), respectively. This change in species-specific VOC emission capacity was mirrored by a concurrent change in the ambient mixing ratios. The growth conditions vary less in tropical areas than in temperate regions of the world, and the seasonal differences in emission strength could not be reconciled solely with meteorological data of instantaneous light intensity and temperature. Hence the inadequacy of using a single standard emission factor to represent an entire seasonal cycle is apparent. Among a host of other potential factors, including the leaf developmental stage, water and nutrient status, and abiotic stresses like the oxidative capacity of the ambient air, predominantly the long-term growth temperature may be applied to predict the seasonal variability of the isoprene emission capacity. The dry season isoprene emission rates of H. courbaril measured at the canopy top were also compared to isoprene emissions of the shade-adapted species Sorocea guilleminiana growing in the understory. Despite the difference in VOC emission composition and canopy position, one common algorithm was able to predict the diel emission pattern of all three tree species.Submitted by Edileide Reis (leyde-landy@hotmail.com) on 2013-12-13T11:31:57Z No. of bitstreams: 1 T. M. TAVARES.pdf: 508567 bytes, checksum: 3bcafc9b74a420ec502226c475b5a03b (MD5)Made available in DSpace on 2013-12-13T11:31:57Z (GMT). No. of bitstreams: 1 T. M. TAVARES.pdf: 508567 bytes, checksum: 3bcafc9b74a420ec502226c475b5a03b (MD5) Previous issue date: 2004http://dx.doi.org/ 10.1111/j.1529-8817.2003.00771.xreponame:Repositório Institucional da UFBAinstname:Universidade Federal da Bahia (UFBA)instacron:UFBABiosphere–atmosphere exchangeCarbon cycleIsopreneMonoterpeneSeasonalityVOCSeasonal differences in isoprene and light-dependent monoterpene emission by Amazonian tree speciesGlobal Change Biologyinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article10000-01-01info:eu-repo/semantics/openAccessengORIGINALT. M. TAVARES.pdfT. M. TAVARES.pdfapplication/pdf508567https://repositorio.ufba.br/bitstream/ri/14134/1/T.%20M.%20TAVARES.pdf3bcafc9b74a420ec502226c475b5a03bMD51LICENSElicense.txtlicense.txttext/plain1345https://repositorio.ufba.br/bitstream/ri/14134/2/license.txtff6eaa8b858ea317fded99f125f5fcd0MD52TEXTT. M. TAVARES.pdf.txtT. M. 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dc.title.pt_BR.fl_str_mv Seasonal differences in isoprene and light-dependent monoterpene emission by Amazonian tree species
dc.title.alternative.pt_BR.fl_str_mv Global Change Biology
title Seasonal differences in isoprene and light-dependent monoterpene emission by Amazonian tree species
spellingShingle Seasonal differences in isoprene and light-dependent monoterpene emission by Amazonian tree species
Tavares, Tânia Mascarenhas
Biosphere–atmosphere exchange
Carbon cycle
Isoprene
Monoterpene
Seasonality
VOC
title_short Seasonal differences in isoprene and light-dependent monoterpene emission by Amazonian tree species
title_full Seasonal differences in isoprene and light-dependent monoterpene emission by Amazonian tree species
title_fullStr Seasonal differences in isoprene and light-dependent monoterpene emission by Amazonian tree species
title_full_unstemmed Seasonal differences in isoprene and light-dependent monoterpene emission by Amazonian tree species
title_sort Seasonal differences in isoprene and light-dependent monoterpene emission by Amazonian tree species
author Tavares, Tânia Mascarenhas
author_facet Tavares, Tânia Mascarenhas
Kuhn, U.
Rottenberger, S.
Biesenthal, T.
Wolf, A.
Schebeske, G.
Ciccioli, P.
Brancaleoni, E.
Frattoni, M.
Kesselmeier, J.
author_role author
author2 Kuhn, U.
Rottenberger, S.
Biesenthal, T.
Wolf, A.
Schebeske, G.
Ciccioli, P.
Brancaleoni, E.
Frattoni, M.
Kesselmeier, J.
author2_role author
author
author
author
author
author
author
author
author
dc.contributor.author.fl_str_mv Tavares, Tânia Mascarenhas
Kuhn, U.
Rottenberger, S.
Biesenthal, T.
Wolf, A.
Schebeske, G.
Ciccioli, P.
Brancaleoni, E.
Frattoni, M.
Kesselmeier, J.
Tavares, Tânia Mascarenhas
Kuhn, U.
Rottenberger, S.
Biesenthal, T.
Wolf, A.
Schebeske, G.
Ciccioli, P.
Brancaleoni, E.
Frattoni, M.
Kesselmeier, J.
dc.subject.por.fl_str_mv Biosphere–atmosphere exchange
Carbon cycle
Isoprene
Monoterpene
Seasonality
VOC
topic Biosphere–atmosphere exchange
Carbon cycle
Isoprene
Monoterpene
Seasonality
VOC
description Texto completo: acesso restrito. p. 663–682
publishDate 2004
dc.date.issued.fl_str_mv 2004
dc.date.accessioned.fl_str_mv 2013-12-13T11:31:57Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://repositorio.ufba.br/ri/handle/ri/14134
dc.identifier.issn.none.fl_str_mv 1354-1013
dc.identifier.number.pt_BR.fl_str_mv v. 10, n. 5
identifier_str_mv 1354-1013
v. 10, n. 5
url http://repositorio.ufba.br/ri/handle/ri/14134
dc.language.iso.fl_str_mv eng
language eng
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
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dc.source.pt_BR.fl_str_mv http://dx.doi.org/ 10.1111/j.1529-8817.2003.00771.x
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