| 1. Identificação | |
| Tipo de Referência | Artigo em Revista Científica (Journal Article) |
| Site | mtc-m21b.sid.inpe.br |
| Código do Detentor | isadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S |
| Identificador | 8JMKD3MGP5W34M/3FA45BU |
| Repositório | sid.inpe.br/mtc-m21b/2013/11.26.16.53.50 (acesso restrito) |
| Última Atualização | 2014:04.09.18.32.16 (UTC) administrator |
| Repositório de Metadados | sid.inpe.br/mtc-m21b/2013/11.26.16.53.51 |
| Última Atualização dos Metadados | 2018:06.04.03.14.11 (UTC) administrator |
| DOI | 10.1111/gcb.12308 |
| ISSN | 1354-1013 |
| Rótulo | scopus 2013-11 |
| Chave de Citação | SilvaMelaNovo:2013:ReAqMa |
| Título | Responses of aquatic macrophyte cover and productivity to flooding variability on the Amazon floodplain  |
| Projeto | FAPESP (2010/11269-2). |
| Ano | 2013 |
| Mês | Nov. |
| Data de Acesso | 11 maio 2024 |
| Tipo de Trabalho | journal article |
| Tipo Secundário | PRE PI |
| Número de Arquivos | 1 |
| Tamanho | 542 KiB |
| 2. Contextualização | |
| Autor | 1 Silva, Thiago Sanna Freire 2 Melack, John M. 3 Novo, Evlyn Márcia Leao de Moraes |
| Identificador de Curriculo | 1 2 3 8JMKD3MGP5W/3C9JH39 |
| Grupo | 1 DSR-OBT-INPE-MCTI-GOV-BR 2 3 DSR-OBT-INPE-MCTI-GOV-BR |
| Afiliação | 1 Instituto Nacional de Pesquisas Espaciais (INPE) 2 Bren School of Environmental Science and Management, University of California, Santa Barbara, CA, 93106-5131, United States 3 Instituto Nacional de Pesquisas Espaciais (INPE) |
| Endereço de e-Mail do Autor | 1 thiago@ltid.inpe.br 2 3 evlyn@ltid.inpe.br |
| Endereço de e-Mail | marcelo.pazos@inpe.br |
| Revista | Global Change Biology |
| Volume | 19 |
| Número | 11 |
| Páginas | 3379-3389 |
| Nota Secundária | A1 A1 A1 A1 A1 A1 A1 A1 A1 A1 C C |
| Histórico (UTC) | 2018-06-04 03:14:11 :: administrator -> :: 2013 |
| 3. Conteúdo e estrutura | |
| É a matriz ou uma cópia? | é a matriz |
| Estágio do Conteúdo | concluido |
| Transferível | 1 |
| Tipo do Conteúdo | External Contribution |
| Tipo de Versão | publisher |
| Palavras-Chave | biomass carbon budget carbon cycle climate change flooding floodplain hydrological change macrophyte net primary production physiological response satellite imagery wetland Amazon Basin |
| Resumo | Macrophyte net primary productivity (NPP) is a significant but understudied component of the carbon budget in large Amazonian floodplains. Annual NPP is determined by the interaction between stem elongation (vertical growth) and plant cover changes (horizontal expansion), each affected differently by flood duration and amplitude. Therefore, hydrological changes as predicted for the Amazon basin could result in significant changes in annual macrophyte NPP. This study investigates the responses of macrophyte horizontal expansion and vertical growth to flooding variability, and its possible effects on the contribution of macrophytes to the carbon budget of Amazonian floodplains. Monthly macrophyte cover was estimated using satellite imagery for the 2003-2004 and 2004-2005 hydrological years, and biomass was measured in situ between 2003 and 2004. Regression models between macrophyte variables and river-stage data were used to build a semiempirical model of macrophyte NPP as a function of water level. Historical river-stage records (1970-2011) were used to simulate variations in NPP, as a function of annual flooding. Vertical growth varied by a factor of ca. 2 over the simulated years, whereas minimum and maximum annual cover varied by ca. 3.5 and 1.5, respectively. Results suggest that these processes act in opposite directions to determine macrophyte NPP, with larger sensitivity to changes in vertical growth, and thus maximum flooding levels. Years with uncommonly large flooding amplitude resulted in the highest NPP values, as both horizontal expansion and vertical growth were enhanced under these conditions. Over the simulated period, annual NPP varied by ca. 1.5 (1.06-1.63 TgC yr-1). A small increasing trend in flooding amplitude, and by extension NPP, was observed for the studied period. Variability in growth rates caused by local biotic and abiotic factors, and the lack of knowledge on macrophyte physiological responses to extreme hydrological conditions remain the major sources of uncertainty. |
| Área | SRE |
| Arranjo | urlib.net > BDMCI > Fonds > Produção anterior à 2021 > DIDSR > Responses of aquatic... |
| Conteúdo da Pasta doc | acessar |
| Conteúdo da Pasta source | não têm arquivos |
| Conteúdo da Pasta agreement | não têm arquivos |
| 4. Condições de acesso e uso | |
| Idioma | en |
| Arquivo Alvo | gcb12308.pdf |
| Grupo de Usuários | administrator marcelo.pazos@inpe.br |
| Grupo de Leitores | administrator marcelo.pazos@inpe.br |
| Visibilidade | shown |
| Política de Arquivamento | denypublisher denyfinaldraft |
| Permissão de Leitura | deny from all and allow from 150.163 |
| Permissão de Atualização | não transferida |
| 5. Fontes relacionadas | |
| Repositório Espelho | iconet.com.br/banon/2006/11.26.21.31 |
| Unidades Imediatamente Superiores | 8JMKD3MGPCW/3ER446E |
| Lista de Itens Citando | sid.inpe.br/mtc-m21/2012/07.13.14.45.43 6 |
| Divulgação | WEBSCI; PORTALCAPES; MGA; SCOPUS. |
| Acervo Hospedeiro | sid.inpe.br/mtc-m21b/2013/09.26.14.25.20 |
| 6. Notas | |
| Campos Vazios | alternatejournal archivist callnumber copyholder copyright creatorhistory descriptionlevel format isbn lineage mark nextedition notes orcid parameterlist parentrepositories previousedition previouslowerunit progress rightsholder schedulinginformation secondarydate secondarykey session shorttitle sponsor subject tertiarymark tertiarytype url |