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Biblioteca(s): |
Embrapa Agropecuária Oeste; Embrapa Amapá; Embrapa Mandioca e Fruticultura; Embrapa Meio Norte / UEP-Parnaíba; Embrapa Meio-Norte. |
Data corrente: |
09/05/1996 |
Data da última atualização: |
20/04/2007 |
Autoria: |
OGATA, T.; VAZ, R. L. |
Título: |
Introdução de cultivares de citros em Goiás. |
Ano de publicação: |
1983 |
Fonte/Imprenta: |
Goiania: EMGOPA, 1983. |
Páginas: |
4 p. |
Série: |
EMGOPA. Pesquisa em Andamento, 2). |
Idioma: |
Português |
Conteúdo: |
O estado de Goiás possui extensas áreas com condições favoraveis a citricultura, principalmente, nas microrregiões do planalto central, Mato Grosso Goiano e chapada dos veadeiros, em terrenos localizados acima de 800 metros. Entretanto, a falta de estimulo governamental e a deficiente tecnologia de produção local limitam a expansão da citricultura na região. Em 1982, somente na CEASA de Goiânia, foi comercializado um total de 23.000 toneladas de frutos citricos, do qual 80% foi importado de outros estados. |
Palavras-Chave: |
Avaliacao; Avaliation; Brasil; Citros; Cultivares; Cultivation; Cultivo; Goias; Sinensis. |
Thesagro: |
Introdução de Planta; Variedade. |
Thesaurus Nal: |
Brazil; Citrus. |
Categoria do assunto: |
-- X Pesquisa, Tecnologia e Engenharia |
Marc: |
LEADER 01223nam a2200301 a 4500 001 1253872 005 2007-04-20 008 1983 bl uuuu u0uu1 u #d 100 1 $aOGATA, T. 245 $aIntrodução de cultivares de citros em Goiás. 260 $aGoiania: EMGOPA$c1983 300 $a4 p. 490 $aEMGOPA. Pesquisa em Andamento, 2). 520 $aO estado de Goiás possui extensas áreas com condições favoraveis a citricultura, principalmente, nas microrregiões do planalto central, Mato Grosso Goiano e chapada dos veadeiros, em terrenos localizados acima de 800 metros. Entretanto, a falta de estimulo governamental e a deficiente tecnologia de produção local limitam a expansão da citricultura na região. Em 1982, somente na CEASA de Goiânia, foi comercializado um total de 23.000 toneladas de frutos citricos, do qual 80% foi importado de outros estados. 650 $aBrazil 650 $aCitrus 650 $aIntrodução de Planta 650 $aVariedade 653 $aAvaliacao 653 $aAvaliation 653 $aBrasil 653 $aCitros 653 $aCultivares 653 $aCultivation 653 $aCultivo 653 $aGoias 653 $aSinensis 700 1 $aVAZ, R. L.
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Embrapa Agropecuária Oeste (CPAO) |
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Registro Completo
Biblioteca(s): |
Embrapa Amazônia Oriental. |
Data corrente: |
01/06/2016 |
Data da última atualização: |
25/05/2022 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 1 |
Autoria: |
SANDE, M. T. van der; ARETS, E. J. M. M.; PEÑA-CLAROS, M.; AVILA, A. L. de; ROOPSIND, A.; MAZZEI, L.; ASCARRUNZ, N.; FINEGAN, B.; ALARCÓN, A.; CÁCERES-SIANI, A.; LICONA, J. C.; RUSCHEL, A.; TOLEDO, M.; POORTER, L. |
Afiliação: |
Masha T . van der Sande, Instituto Boliviano de Investigación Forestal; Eric J. M. M. Arets, Wageningen University and Research Centre; Marielos Peña -Claros, Forest Ecology and Forest Management Group, Wageningen University.; Angela Luciana de Avila, Faculty of Environment and Natural Resources, Chair of Silviculture, University of Freiburg; Anand Roopsind, Department of Biology, University of Florida; LUCAS JOSE MAZZEI DE FREITAS, CPATU; Nataly Ascarrunz, Instituto Boliviano de Investigación Forestal; Bryan Finegan, Production and Conservation in Forests Programme CATIE; Alfredo Alarcón, Instituto Boliviano de Investigación Forestal; Asmani Cáceres-Siani, Rurrenabaque, Beni.; Juan Carlos Licona, Instituto Boliviano de Investigación Forestal; ADEMIR ROBERTO RUSCHEL, CPATU; Marisol Toledo, Instituto Boliviano de Investigación Forestal; Lourens Poorter, Forest Ecology and Forest Management Group, Wageningen University. |
Título: |
Old-growth Neotropical forests are shifting in species and trait composition. |
Ano de publicação: |
2016 |
Fonte/Imprenta: |
Ecological Monographs, v. 86, n. 2, p. 228-243, 2016. |
Idioma: |
Inglês |
Conteúdo: |
Tropical forests have long been thought to be in stable state, but recent insights indicate that global change is leading to shifts in forest dynamics and species composition. These shifts may be driven by environmental changes such as increased resource availability, increased drought stress, and/or recovery from past disturbances. The relative importance of these drivers can be inferred from analyzing changes in trait values of tree communities. Here, we evaluate a decade of change in species and trait composition across five old-growth Neotropical forests in Bolivia, Brazil, Guyana, and Costa Rica that cover large gradients in rainfall and soil fertility. To identify the drivers of compositional change, we used data from 29 permanent sample plots and measurements of 15 leaf, stem, and whole-plant traits that are important for plant performance and should respond to global change drivers. We found that forests differ strongly in their community-mean trait values, resulting from differences in soil fertility and annual rainfall seasonality. The abundance of deciduous species with high specific leaf area increases from wet to dry forests. The community-mean wood density is high in the driest forests to protect xylem vessels against drought cavitation, and is high in nutrient-poor forests to increase wood longevity and enhance nutrient residence time in the plant. Interestingly, the species composition changed over time in three of the forests, and the community-mean wood density increased and the specific leaf area decreased in all forests, indicating that these forests are changing toward later successional stages dominated by slow-growing, shade-tolerant species. We did not see changes in other traits that could reflect responses to increased drought stress, such as increased drought deciduousness or decreased maximum adult size, or that could reflect increased resource availability (CO2, rainfall, or nitrogen). Changes in species and trait composition in these forests are therefore most likely caused by recovery from past disturbances. These compositional changes may also lead to shifts in ecosystem processes, such as a lower carbon sequestration and ?slower? forest dynamics. MenosTropical forests have long been thought to be in stable state, but recent insights indicate that global change is leading to shifts in forest dynamics and species composition. These shifts may be driven by environmental changes such as increased resource availability, increased drought stress, and/or recovery from past disturbances. The relative importance of these drivers can be inferred from analyzing changes in trait values of tree communities. Here, we evaluate a decade of change in species and trait composition across five old-growth Neotropical forests in Bolivia, Brazil, Guyana, and Costa Rica that cover large gradients in rainfall and soil fertility. To identify the drivers of compositional change, we used data from 29 permanent sample plots and measurements of 15 leaf, stem, and whole-plant traits that are important for plant performance and should respond to global change drivers. We found that forests differ strongly in their community-mean trait values, resulting from differences in soil fertility and annual rainfall seasonality. The abundance of deciduous species with high specific leaf area increases from wet to dry forests. The community-mean wood density is high in the driest forests to protect xylem vessels against drought cavitation, and is high in nutrient-poor forests to increase wood longevity and enhance nutrient residence time in the plant. Interestingly, the species composition changed over time in three of the forests, and the community-mean wood den... Mostrar Tudo |
Thesagro: |
Biodiversidade; Fertilidade do Solo; Floresta; Floresta Tropical. |
Thesaurus NAL: |
soil fertility. |
Categoria do assunto: |
K Ciência Florestal e Produtos de Origem Vegetal |
Marc: |
LEADER 03149naa a2200337 a 4500 001 2046085 005 2022-05-25 008 2016 bl uuuu u00u1 u #d 100 1 $aSANDE, M. T. van der 245 $aOld-growth Neotropical forests are shifting in species and trait composition.$h[electronic resource] 260 $c2016 520 $aTropical forests have long been thought to be in stable state, but recent insights indicate that global change is leading to shifts in forest dynamics and species composition. These shifts may be driven by environmental changes such as increased resource availability, increased drought stress, and/or recovery from past disturbances. The relative importance of these drivers can be inferred from analyzing changes in trait values of tree communities. Here, we evaluate a decade of change in species and trait composition across five old-growth Neotropical forests in Bolivia, Brazil, Guyana, and Costa Rica that cover large gradients in rainfall and soil fertility. To identify the drivers of compositional change, we used data from 29 permanent sample plots and measurements of 15 leaf, stem, and whole-plant traits that are important for plant performance and should respond to global change drivers. We found that forests differ strongly in their community-mean trait values, resulting from differences in soil fertility and annual rainfall seasonality. The abundance of deciduous species with high specific leaf area increases from wet to dry forests. The community-mean wood density is high in the driest forests to protect xylem vessels against drought cavitation, and is high in nutrient-poor forests to increase wood longevity and enhance nutrient residence time in the plant. Interestingly, the species composition changed over time in three of the forests, and the community-mean wood density increased and the specific leaf area decreased in all forests, indicating that these forests are changing toward later successional stages dominated by slow-growing, shade-tolerant species. We did not see changes in other traits that could reflect responses to increased drought stress, such as increased drought deciduousness or decreased maximum adult size, or that could reflect increased resource availability (CO2, rainfall, or nitrogen). Changes in species and trait composition in these forests are therefore most likely caused by recovery from past disturbances. These compositional changes may also lead to shifts in ecosystem processes, such as a lower carbon sequestration and ?slower? forest dynamics. 650 $asoil fertility 650 $aBiodiversidade 650 $aFertilidade do Solo 650 $aFloresta 650 $aFloresta Tropical 700 1 $aARETS, E. J. M. M. 700 1 $aPEÑA-CLAROS, M. 700 1 $aAVILA, A. L. de 700 1 $aROOPSIND, A. 700 1 $aMAZZEI, L. 700 1 $aASCARRUNZ, N. 700 1 $aFINEGAN, B. 700 1 $aALARCÓN, A. 700 1 $aCÁCERES-SIANI, A. 700 1 $aLICONA, J. C. 700 1 $aRUSCHEL, A. 700 1 $aTOLEDO, M. 700 1 $aPOORTER, L. 773 $tEcological Monographs$gv. 86, n. 2, p. 228-243, 2016.
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Registro original: |
Embrapa Amazônia Oriental (CPATU) |
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Registro completo
Biblioteca(s): |
Catálogo Coletivo de Periódicos Embrapa; Embrapa Semiárido. |
Identificador: |
387 |
Data corrente: |
09/05/2002 |
Data da última atualização: |
07/05/2015 |
Código do título: |
0550106 |
ISSN: |
0568-2991 |
Código CCN: |
002233-0 |
Título e Subtítulo: |
AGRO (LA PLATA) : PUBLICACION TECNICA |
Entidade: |
Ministerio de Asuntos Agrarios. Provincia de Buenos Aires |
Local de publicação: |
La Plata, Argentina, AR |
Periodicidade: |
Desconhecido |
Inicio de publicação: |
1959 |
Coleções da unidade: |
Embrapa Semiárido 1959 1(1-3); 1960 2(4); 1961 3(6); 1964 6(10-11) |
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