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Registro Completo |
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Biblioteca(s): |
Embrapa Pantanal. |
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Data corrente: |
29/04/1999 |
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Data da última atualização: |
29/04/1999 |
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Autoria: |
KNAPP, A. K.; HULBERT, L. C. |
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Título: |
Production, density and height of flower stalks of three grasses in annually burned and unburned eastern Kansas tallgrass prairie: a four year record. |
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Ano de publicação: |
1986 |
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Fonte/Imprenta: |
Southwestern Naturalist, v.31, n.2, p.235-241, 1986. |
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Idioma: |
Inglês |
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Conteúdo: |
The production, density and height of flower stalks of Adropogon gerardii, Shizachyrium scoparium and Sorghastrum nutans were surveyed over a four-year period (1981-1984) on burned vs. unburned and shallow vs. deep soil sites in native, undisturbed tallgrass prairie. In general, flower stalk height was greater on deep than the shallow soils but the response of height to fire was variable. In contrast, density and production of flower were usually greater on the annually burned sites, whereas soil effects were inconsistent. Production of flower stalks for all three species combined ranged from 0 to 670 g/m2 during the 4-year period with maximum production occurring in a mesic year which followed a drought year. |
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Palavras-Chave: |
Plain. |
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Thesagro: |
Planície; Vegetação. |
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Thesaurus Nal: |
Kansas; vegetation. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01301naa a2200193 a 4500
001 1795468
005 1999-04-29
008 1986 bl --- 0-- u #d
100 1 $aKNAPP, A. K.
245 $aProduction, density and height of flower stalks of three grasses in annually burned and unburned eastern Kansas tallgrass prairie$ba four year record.
260 $c1986
520 $aThe production, density and height of flower stalks of Adropogon gerardii, Shizachyrium scoparium and Sorghastrum nutans were surveyed over a four-year period (1981-1984) on burned vs. unburned and shallow vs. deep soil sites in native, undisturbed tallgrass prairie. In general, flower stalk height was greater on deep than the shallow soils but the response of height to fire was variable. In contrast, density and production of flower were usually greater on the annually burned sites, whereas soil effects were inconsistent. Production of flower stalks for all three species combined ranged from 0 to 670 g/m2 during the 4-year period with maximum production occurring in a mesic year which followed a drought year.
650 $aKansas
650 $avegetation
650 $aPlanície
650 $aVegetação
653 $aPlain
700 1 $aHULBERT, L. C.
773 $tSouthwestern Naturalist$gv.31, n.2, p.235-241, 1986.
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Embrapa Pantanal (CPAP) |
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