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Registro Completo |
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Biblioteca(s): |
Embrapa Pantanal. |
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Data corrente: |
25/04/1995 |
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Data da última atualização: |
04/04/2017 |
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Autoria: |
ABRAMS, M. D.; KNAPP, A. K.; HULBERT, L. C. |
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Título: |
A ten-year record of aboveground biomass in a Kansas tallgrass prairie: effects of fire and topographic position. |
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Ano de publicação: |
1986 |
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Fonte/Imprenta: |
American Journal of Botany, v.73, n.10, p.1509-1515, 1986. |
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Idioma: |
Inglês |
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Conteúdo: |
Measurements of mid-season live and dead aboveground biomass are reported for a 10-yr period (1975-84) in northeast Kansas talgrass prairie. Study sites included shallow, rocky upland and deep, non-rocky lowland soils in annualy burned (April) and unburned watersheds. Lowland sites had significantly greater live biomass than upland sites for both burned and unburned prairie for the 10-yr period. Moreover, live biomass was grether on burned than unburned lowland sites, but was not significantly increased by fire on the upland sites. Averaged across upland and lowland sites, mid-season live biomass was 422 g m-2 on annually burned and 364 g m-2 on unburned sites for the 10-yr period. Each site had its lowest live biomass value during the severe drought year of 1980 (range = 185-299 g m-2). During the study period, live biomass was most strongly correlated with seasonal pan water evaporation (r = -0.45 to -0.82), whereas dead biomass was correlated with the previous yr's precipitation (r = 0.61 and 0.90 for upland and lowland sites, respectively). When aboveground biomass was sampled throughout the 1984 season and separated into several components, biomass of the graminoids was 40% lower, whereas that of forbs and woody plants was 200-300% greather in the unburned than in the annually burned site. |
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Palavras-Chave: |
Fire; Pasture. |
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Thesagro: |
Fogo; Pastagem; Queimada. |
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Thesaurus Nal: |
burning. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01911naa a2200217 a 4500
001 1784132
005 2017-04-04
008 1986 bl --- 0-- u #d
100 1 $aABRAMS, M. D.
245 $aA ten-year record of aboveground biomass in a Kansas tallgrass prairie$beffects of fire and topographic position.
260 $c1986
520 $aMeasurements of mid-season live and dead aboveground biomass are reported for a 10-yr period (1975-84) in northeast Kansas talgrass prairie. Study sites included shallow, rocky upland and deep, non-rocky lowland soils in annualy burned (April) and unburned watersheds. Lowland sites had significantly greater live biomass than upland sites for both burned and unburned prairie for the 10-yr period. Moreover, live biomass was grether on burned than unburned lowland sites, but was not significantly increased by fire on the upland sites. Averaged across upland and lowland sites, mid-season live biomass was 422 g m-2 on annually burned and 364 g m-2 on unburned sites for the 10-yr period. Each site had its lowest live biomass value during the severe drought year of 1980 (range = 185-299 g m-2). During the study period, live biomass was most strongly correlated with seasonal pan water evaporation (r = -0.45 to -0.82), whereas dead biomass was correlated with the previous yr's precipitation (r = 0.61 and 0.90 for upland and lowland sites, respectively). When aboveground biomass was sampled throughout the 1984 season and separated into several components, biomass of the graminoids was 40% lower, whereas that of forbs and woody plants was 200-300% greather in the unburned than in the annually burned site.
650 $aburning
650 $aFogo
650 $aPastagem
650 $aQueimada
653 $aFire
653 $aPasture
700 1 $aKNAPP, A. K.
700 1 $aHULBERT, L. C.
773 $tAmerican Journal of Botany$gv.73, n.10, p.1509-1515, 1986.
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Registro original: |
Embrapa Pantanal (CPAP) |
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Biblioteca |
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Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
URL |
Voltar
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Registro Completo
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Biblioteca(s): |
Embrapa Meio-Norte. |
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Data corrente: |
19/02/2020 |
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Data da última atualização: |
19/02/2020 |
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Tipo da produção científica: |
Capítulo em Livro Técnico-Científico |
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Autoria: |
SOUSA, V. F. de; FERREIRA, J. D. M.; DUARTE, R. L. R. |
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Afiliação: |
VALDEMICIO FERREIRA DE SOUSA, CPAMN; JEFFERSON DOUGLAS MARTINS FERREIRA, UFPI; ROSA LUCIA ROCHA DUARTE, CPACP. |
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Título: |
Seleção de cultivares e plantio da melancia. |
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Ano de publicação: |
2019 |
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Fonte/Imprenta: |
In: SOUSA, V. F. de; NUNES, G. M. V. C.; ZONTA, J. B.; ARAÚJO, E. C. E. (Ed.). Tecnologias para a produção de melancia irrigada na Baixada Maranhense. São Luís: Embrapa Cocais, 2019. |
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Páginas: |
p. 48-61. |
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Série: |
(Embrapa Cocais. Documentos, 5; Embrapa Meio-Norte. Documentos, 248). |
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Idioma: |
Português |
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Conteúdo: |
Cultivares de melancia; Seleção de cultivares e plantio de melancia; Espaçamento e densidade de plantio; Sistema de plantio e semeadura da melancia. |
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Thesagro: |
Características Agronômicas; Cucurbitaceae; Plantio; Variedade. |
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Categoria do assunto: |
A Sistemas de Cultivo |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/210961/1/Selecao-cultivares-48-61.pdf
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Marc: |
LEADER 00939naa a2200217 a 4500
001 2120391
005 2020-02-19
008 2019 bl uuuu u00u1 u #d
100 1 $aSOUSA, V. F. de
245 $aSeleção de cultivares e plantio da melancia.$h[electronic resource]
260 $c2019
300 $ap. 48-61.
490 $a(Embrapa Cocais. Documentos, 5; Embrapa Meio-Norte. Documentos, 248).
520 $aCultivares de melancia; Seleção de cultivares e plantio de melancia; Espaçamento e densidade de plantio; Sistema de plantio e semeadura da melancia.
650 $aCaracterísticas Agronômicas
650 $aCucurbitaceae
650 $aPlantio
650 $aVariedade
700 1 $aFERREIRA, J. D. M.
700 1 $aDUARTE, R. L. R.
773 $tIn: SOUSA, V. F. de; NUNES, G. M. V. C.; ZONTA, J. B.; ARAÚJO, E. C. E. (Ed.). Tecnologias para a produção de melancia irrigada na Baixada Maranhense. São Luís: Embrapa Cocais, 2019.
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Registro original: |
Embrapa Meio-Norte (CPAMN) |
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