1. Identificação | |
Tipo de Referência | Artigo em Revista Científica (Journal Article) |
Site | mtc-m12.sid.inpe.br |
Código do Detentor | isadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S |
Identificador | 6qtX3pFwXQZ3r59YD6/GPfqq |
Repositório | sid.inpe.br/iris@1912/2005/07.20.09.01 (acesso restrito) |
Última Atualização | 2015:09.16.13.56.14 (UTC) marciana |
Repositório de Metadados | sid.inpe.br/iris@1912/2005/07.20.09.01.45 |
Última Atualização dos Metadados | 2018:06.05.00.52.46 (UTC) administrator |
Chave Secundária | INPE-6415-PRE/2454 |
ISSN | 0034-4257 |
Rótulo | 7756 |
Chave de Citação | RudorffMulcDaugLee:1996:GrRaUs |
Título | Growth, radiation use efficiency, and canopy reflectance of wheat and corn grown under elevated ozone and carbon dioxide atmospheres |
Ano | 1996 |
Mês | Feb. |
Data de Acesso | 11 maio 2024 |
Tipo Secundário | PRE PI |
Número de Arquivos | 1 |
Tamanho | 1013 KiB |
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2. Contextualização | |
Autor | 1 Rudorff, Bernardo Friedrich Theodor 2 Mulchi, Charles . 3 Daughtry, Craig S. T. 4 Lee, Edward H |
Grupo | 1 DSR-INPE-MCT-BR |
Revista | Remote Sensing of Environment |
Volume | 55 |
Número | 2 |
Páginas | 163-173 |
Histórico (UTC) | 2008-06-09 19:16:42 :: administrator -> jefferson :: 2010-07-07 18:52:33 :: jefferson -> administrator :: 1996 2011-08-06 23:41:00 :: administrator -> marciana :: 1996 2011-10-31 11:26:26 :: marciana -> administrator :: 1996 2014-08-28 10:23:30 :: administrator -> marciana :: 1996 2015-09-16 13:56:14 :: marciana -> administrator :: 1996 2018-06-05 00:52:46 :: administrator -> marciana :: 1996 |
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3. Conteúdo e estrutura | |
É a matriz ou uma cópia? | é a matriz |
Estágio do Conteúdo | concluido |
Transferível | 1 |
Tipo do Conteúdo | External Contribution |
Resumo | Estimates of increases in future agricultural production in response to increases in carbon dioxide (CO2)concentrations in the atmosphere are often based on the beneficial physiological effect of CO2 enrichment on plant growth, especially in C3 plants. However, these estimates fail to consider the negative impact of ozone (O3)air pollution on crop production. Increases in tropospheric concentrations of both gases, CO2 and O3 have been observed over the past century, and both are predicted to continue to increase at even higher rates in the near future to levels when they may have a significant impact on agricultural production. Field studies with wheat (Triticum aestivum L.)in 1991 and 1992, and corn (Zea mays L.)in 1991 were conducted using open-top chambers to mimic atmospheric concentrations of CO2 (~500 L CO2)and O3 (~40 nL L O3 above ambient air [O3]during 7 h day , 5 days week ) that are predicted to occur at the Earth's surface during the first half of the 21st century. Wheat and corn (C3 vs. C4)produced clearly different responses to CO2 enrichment, but similar responses to O3 exposure. In wheat, O3 exposure led to reduced grain yield, biomass, and radiation use efficiency (RUE, phytomass production per unit of energy received); in both years; but reduction in accumulated absorbed photosynthetically active radiation (AAPAR)was observed only in 1991. Conversely, CO2 enrichment produced greater grain yield, dry biomass, and RUE. With CO2 enrichment, the O3-induced stress to wheat plants was apparently ameliorated since responses were equivalent to the control group (low O3 and ambient CO2)for all variables. In contrast, corn demonstrated no benefit to CO2 enrichment for measured variables, and corn grain yield was the only parameter negatively influenced by O3 exposure that is attributed to O3-induced damage during the flowering process. Additionally, no treatment differences were observed for leaf area index (LAI)as determined nondestructively using the LICOR LAI-2000 Plant Canopy Analyzer. Also, treatment differences for normalized difference vegetation index (ND)were only observed for wheat plants from the high-O3 and ambient-CO2 treatment, at some growing stages. Otherwise, ND data were not helpful for identifying damage due to O3 fumigation or benefits due to CO2 enrichment. Significant interactive effects of CO2 vs. O3 were observed only for wheat grain yield in 1991 (p < 0.10), indicated that the detrimental effect of O3 air pollution was more than overcome under the CO2-enrichment environment. |
Área | SRE |
Arranjo | urlib.net > BDMCI > Fonds > Produção anterior à 2021 > DIDSR > Growth, radiation use... |
Conteúdo da Pasta doc | acessar |
Conteúdo da Pasta source | não têm arquivos |
Conteúdo da Pasta agreement | não têm arquivos |
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4. Condições de acesso e uso | |
Arquivo Alvo | 1996_rudorff4.pdf |
Grupo de Usuários | administrator jefferson marciana |
Grupo de Leitores | administrator marciana |
Visibilidade | shown |
Política de Arquivamento | denypublisher allowfinaldraft24 |
Permissão de Leitura | deny from all and allow from 150.163 |
Permissão de Atualização | não transferida |
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5. Fontes relacionadas | |
Unidades Imediatamente Superiores | 8JMKD3MGPCW/3ER446E |
Divulgação | WEBSCI; PORTALCAPES; MGA; COMPENDEX. |
Acervo Hospedeiro | sid.inpe.br/banon/2001/04.06.10.52 |
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6. Notas | |
Campos Vazios | affiliation alternatejournal archivist callnumber copyholder copyright creatorhistory descriptionlevel doi e-mailaddress electronicmailaddress format isbn keywords language lineage mark mirrorrepository nextedition notes orcid parameterlist parentrepositories previousedition previouslowerunit progress project resumeid rightsholder schedulinginformation secondarydate secondarymark session shorttitle sponsor subject tertiarymark tertiarytype typeofwork url versiontype |
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7. Controle da descrição | |
e-Mail (login) | marciana |
atualizar | |
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