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 | Acesso ao texto completo restrito à biblioteca da Embrapa Florestas. Para informações adicionais entre em contato com cnpf.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Florestas. |
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Data corrente: |
08/06/2022 |
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Data da última atualização: |
08/06/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
MATTOS, P. P. de; CURTO, R. de A.; BRAZ, E. M.; NETTO, S. P. |
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Afiliação: |
PATRICIA POVOA DE MATTOS, CNPF; RAFAELLA DE ANGELI CURTO, Federal Rural University of Rio de Janeiro; EVALDO MUNOZ BRAZ, CNPF; SYLVIO PÉLLICO NETTO, Federal University of Paraná. |
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Título: |
How do Araucaria angustifolia trees grow in overstocked stands? |
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Ano de publicação: |
2022 |
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Fonte/Imprenta: |
Dendrochronologia, v. 74, 125976, 2022. |
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Páginas: |
12 p. |
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DOI: |
https://doi.org/10.1016/j.dendro.2022.125976 |
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Idioma: |
Português |
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Conteúdo: |
ABSTRACT. The objective of this study was to evaluate growth along the stem of Araucaria angustifolia (Bertol.) Kuntze trees competing in overstocked stands, in order to identify periods when growth and trunk shape are differentiated during the trees' lifespan. The research was carried out in a planted forest of Araucaria angustifolia established in 1946 in the Açungui National Forest in Campo Largo, Paraná, Brazil, when these trees were 65 years old. One thinning was recorded, at some time between 1970 and 1980. Forty-six trees were selected and divided into three development classes (DC) at 65 years of age; these classes considered diameter at 1.30 m (breast height, dbh) with a range of 20 cm (from 10 cm to 70 cm). In addition to dbh, total tree height, and crown height and diameter were measured in the field. From each tree, 14 disks were removed to analyze growth rings and confirm the age of the stand. Some trees in the smallest DC (10 ≤ dbh < 30 cm) were the product of natural regeneration (younger trees that grew after the initial planting). In 63% of the trees, at least one growth ring was missing at breast height. Missing rings at breast height were more common in trees with smaller dbh and crown diameters. The need for more growing space was observed at different periods during the studied lifespan of the trees from three DCs. It resulted in changes in stems shape from conical to cylindrical. Different growth patterns could be observed during the lives of some trees as they outgrew their competition. MenosABSTRACT. The objective of this study was to evaluate growth along the stem of Araucaria angustifolia (Bertol.) Kuntze trees competing in overstocked stands, in order to identify periods when growth and trunk shape are differentiated during the trees' lifespan. The research was carried out in a planted forest of Araucaria angustifolia established in 1946 in the Açungui National Forest in Campo Largo, Paraná, Brazil, when these trees were 65 years old. One thinning was recorded, at some time between 1970 and 1980. Forty-six trees were selected and divided into three development classes (DC) at 65 years of age; these classes considered diameter at 1.30 m (breast height, dbh) with a range of 20 cm (from 10 cm to 70 cm). In addition to dbh, total tree height, and crown height and diameter were measured in the field. From each tree, 14 disks were removed to analyze growth rings and confirm the age of the stand. Some trees in the smallest DC (10 ≤ dbh < 30 cm) were the product of natural regeneration (younger trees that grew after the initial planting). In 63% of the trees, at least one growth ring was missing at breast height. Missing rings at breast height were more common in trees with smaller dbh and crown diameters. The need for more growing space was observed at different periods during the studied lifespan of the trees from three DCs. It resulted in changes in stems shape from conical to cylindrical. Different growth patterns could be observed during the lives of some... Mostrar Tudo |
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Palavras-Chave: |
Anel de crescimento; Competição; Competition; Haste; Missing ring; Stem analysis; Thinning effect. |
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Thesagro: |
Araucária Angustifólia. |
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Categoria do assunto: |
K Ciência Florestal e Produtos de Origem Vegetal |
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Marc: |
LEADER 02320naa a2200277 a 4500
001 2143840
005 2022-06-08
008 2022 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1016/j.dendro.2022.125976$2DOI
100 1 $aMATTOS, P. P. de
245 $aHow do Araucaria angustifolia trees grow in overstocked stands?$h[electronic resource]
260 $c2022
300 $a12 p.
520 $aABSTRACT. The objective of this study was to evaluate growth along the stem of Araucaria angustifolia (Bertol.) Kuntze trees competing in overstocked stands, in order to identify periods when growth and trunk shape are differentiated during the trees' lifespan. The research was carried out in a planted forest of Araucaria angustifolia established in 1946 in the Açungui National Forest in Campo Largo, Paraná, Brazil, when these trees were 65 years old. One thinning was recorded, at some time between 1970 and 1980. Forty-six trees were selected and divided into three development classes (DC) at 65 years of age; these classes considered diameter at 1.30 m (breast height, dbh) with a range of 20 cm (from 10 cm to 70 cm). In addition to dbh, total tree height, and crown height and diameter were measured in the field. From each tree, 14 disks were removed to analyze growth rings and confirm the age of the stand. Some trees in the smallest DC (10 ≤ dbh < 30 cm) were the product of natural regeneration (younger trees that grew after the initial planting). In 63% of the trees, at least one growth ring was missing at breast height. Missing rings at breast height were more common in trees with smaller dbh and crown diameters. The need for more growing space was observed at different periods during the studied lifespan of the trees from three DCs. It resulted in changes in stems shape from conical to cylindrical. Different growth patterns could be observed during the lives of some trees as they outgrew their competition.
650 $aAraucária Angustifólia
653 $aAnel de crescimento
653 $aCompetição
653 $aCompetition
653 $aHaste
653 $aMissing ring
653 $aStem analysis
653 $aThinning effect
700 1 $aCURTO, R. de A.
700 1 $aBRAZ, E. M.
700 1 $aNETTO, S. P.
773 $tDendrochronologia$gv. 74, 125976, 2022.
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Embrapa Florestas (CNPF) |
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| Acesso ao texto completo restrito à biblioteca da Embrapa Caprinos e Ovinos. Para informações adicionais entre em contato com cnpc.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
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Data corrente: |
01/08/1992 |
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Data da última atualização: |
08/04/2019 |
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Autoria: |
PINHEIRO, R. R. |
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Afiliação: |
RAYMUNDO RIZALDO PINHEIRO, CNPC. |
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Título: |
Alterações renais morfo-funcionais em caprinos (Capra hircus, L.) submetidos a infusão intravenosa de hemolidado. |
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Ano de publicação: |
1987 |
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Fonte/Imprenta: |
1987. |
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Páginas: |
87 f. |
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Idioma: |
Português |
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Notas: |
Dissertação (Mestrado) - Universidade de São Paulo, São Paulo. |
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Conteúdo: |
Constiteum-se objetivos deste trabalho: verificar, atraves da urinalise, a existencia de lesoes renais ou de alteracoes funcionais do orgao em caprinos submetidos a aplicacao intravenosa de hemolisado; Avaliar as alteracoes do fluxo e da funcao glomerulares atraves da quantificacao dos niveis sericos de ureia e de creatinina; Avaliar, atraves de exames histopatologicos sequenciais, as lesoes renais decorrentes da hemoglobinemia. |
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Palavras-Chave: |
Anemia hemolitica; Haemolytic anaemia; Histopatology. |
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Thesagro: |
Caprino; Creatinina; Doença animal; Hematologia; Hemoglobinúria; Histopatologia; Rim; Ureia; Urina. |
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Thesaurus NAL: |
Creatinine; Goats; hematology; Kidneys; Urea; Urine. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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Marc: |
LEADER 01349nam a2200349 a 4500
001 1515811
005 2019-04-08
008 1987 bl uuuu m 00u1 u #d
100 1 $aPINHEIRO, R. R.
245 $aAlterações renais morfo-funcionais em caprinos (Capra hircus, L.) submetidos a infusão intravenosa de hemolidado.
260 $a1987.$c1987
300 $a87 f.
500 $aDissertação (Mestrado) - Universidade de São Paulo, São Paulo.
520 $aConstiteum-se objetivos deste trabalho: verificar, atraves da urinalise, a existencia de lesoes renais ou de alteracoes funcionais do orgao em caprinos submetidos a aplicacao intravenosa de hemolisado; Avaliar as alteracoes do fluxo e da funcao glomerulares atraves da quantificacao dos niveis sericos de ureia e de creatinina; Avaliar, atraves de exames histopatologicos sequenciais, as lesoes renais decorrentes da hemoglobinemia.
650 $aCreatinine
650 $aGoats
650 $ahematology
650 $aKidneys
650 $aUrea
650 $aUrine
650 $aCaprino
650 $aCreatinina
650 $aDoença animal
650 $aHematologia
650 $aHemoglobinúria
650 $aHistopatologia
650 $aRim
650 $aUreia
650 $aUrina
653 $aAnemia hemolitica
653 $aHaemolytic anaemia
653 $aHistopatology
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Embrapa Caprinos e Ovinos (CNPC) |
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