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| 1. |  | MORI, R. M.; RIBEIRO, E. L. A.; ROCHA, M. A.; MIZUBUTI, I. Y.; SILVA, L. D. F. da; YAMAMURA, M. H. Contagem de ovos de nematódeos parasitas gastrintestinais por grama de fezes de ovelhas de cinco cruzamentos raciais na região de Londrina. In: SIMPÓSIO MINEIRO DE OVINOCULTURA: CADEIA PRODUTIVA -OVINOCULTURA, 3., 2003, Lavras. Anais... Lavras: UFLA, 2003. p. 331-332.| Biblioteca(s): Embrapa Caprinos e Ovinos. |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Amazônia Oriental. Para informações adicionais entre em contato com cpatu.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Amazônia Oriental. |
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Data corrente: |
23/03/1999 |
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Data da última atualização: |
05/07/2022 |
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Autoria: |
SILVA, J. N. M.; CARVALHO, J. O. P. de; LOPES, J. do C. A.; OLIVEIRA, R. P. de; OLIVEIRA, L. C. de. |
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Afiliação: |
JOSÉ NATALINO MACÊDO SILVA, Embrapa Amazônia Oriental; JOAO OLEGARIO PEREIRA DE CARVALHO, CPATU; JOSE DO CARMO ALVES LOPES, CPATU; RAIMUNDO PARENTE DE OLIVEIRA, CPATU; L. C. DE OLIVEIRA, FCAP. |
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Título: |
Growth and yield studies in the Tapajos region, central brazilian Amazon. |
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Ano de publicação: |
1996 |
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Fonte/Imprenta: |
Commonwealth Forestry Review, v. 75, n. 4, p. 325-329, Dec. 1996. |
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Descrição Física: |
il. |
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Idioma: |
Inglês |
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Conteúdo: |
Growth and yield plots have been monitored in the Tapajós region, Pará State, Brazil, since 1981 in four research sites: unlogged primary forest, two areas logged 7 and 13 years before the last assessment, and a secondary forest ca. 50 years old. Diameter increment, mortality and volume increment in these sites are reported. Growth responses were investigated in relation to crown illumination and ecological guild of species. Irrespective of ecological guild, the amount of light received by crowns appeared to produce significant differences in tree growth. A hierarchy of growth rates was observed: rates of diameter increment of intolerant species > tolerant canopy species > understorey tolerant species. Mortality rates were higher for weed species in all study areas except in secondary forest. At this site understorey tolerant species showed higher mortality rates, folio-wed by weed species. Average annual volume increment ranged from 1.6 m' ha-' yr.' in primary unlogged forest to 4.8 m%a-' yr-l in primary logged forest. Commercial species produced just over 1 m3 ha-l yr.' in the logged stands. Establishing cutting cycles in the Tapajós region and other similar sites must have regard to these low increment rates. |
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Palavras-Chave: |
Brasil; Desenvolvimento; Development; Diameter increment; Incremento do diametro; Pará; Região do Tapajós; Taxa de mortalidade. |
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Thesagro: |
Essência Florestal. |
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Thesaurus NAL: |
Amazonia; forest trees; mortality. |
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Categoria do assunto: |
K Ciência Florestal e Produtos de Origem Vegetal |
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Marc: |
LEADER 02132naa a2200325 a 4500
001 1373130
005 2022-07-05
008 1996 bl uuuu u00u1 u #d
100 1 $aSILVA, J. N. M.
245 $aGrowth and yield studies in the Tapajos region, central brazilian Amazon.
260 $c1996
300 $cil.
520 $aGrowth and yield plots have been monitored in the Tapajós region, Pará State, Brazil, since 1981 in four research sites: unlogged primary forest, two areas logged 7 and 13 years before the last assessment, and a secondary forest ca. 50 years old. Diameter increment, mortality and volume increment in these sites are reported. Growth responses were investigated in relation to crown illumination and ecological guild of species. Irrespective of ecological guild, the amount of light received by crowns appeared to produce significant differences in tree growth. A hierarchy of growth rates was observed: rates of diameter increment of intolerant species > tolerant canopy species > understorey tolerant species. Mortality rates were higher for weed species in all study areas except in secondary forest. At this site understorey tolerant species showed higher mortality rates, folio-wed by weed species. Average annual volume increment ranged from 1.6 m' ha-' yr.' in primary unlogged forest to 4.8 m%a-' yr-l in primary logged forest. Commercial species produced just over 1 m3 ha-l yr.' in the logged stands. Establishing cutting cycles in the Tapajós region and other similar sites must have regard to these low increment rates.
650 $aAmazonia
650 $aforest trees
650 $amortality
650 $aEssência Florestal
653 $aBrasil
653 $aDesenvolvimento
653 $aDevelopment
653 $aDiameter increment
653 $aIncremento do diametro
653 $aPará
653 $aRegião do Tapajós
653 $aTaxa de mortalidade
700 1 $aCARVALHO, J. O. P. de
700 1 $aLOPES, J. do C. A.
700 1 $aOLIVEIRA, R. P. de
700 1 $aOLIVEIRA, L. C. de
773 $tCommonwealth Forestry Review$gv. 75, n. 4, p. 325-329, Dec. 1996.
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Embrapa Amazônia Oriental (CPATU) |
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