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Registro Completo |
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Biblioteca(s): |
Embrapa Florestas. |
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Data corrente: |
26/01/2026 |
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Data da última atualização: |
28/01/2026 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
GOGOSZ, A. M.; COSMO, N. L.; BOTOSSO, P. C.; GALVÃO, F. |
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Afiliação: |
ALESSANDRA MARA GOGOSZ, UNIVERSIDADE FEDERAL DO PARANÁ; NELSON LUIZ COSMO, UNIVERSIDADE FEDERAL DO PARANÁ; PAULO CESAR BOTOSSO, CNPF; FRANKLIN GALVÃO, UNIVERSIDADE FEDERAL DO PARANÁ. |
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Título: |
Ecological trends in the xylem anatomy of Tapirira guianensis Aubl. (Anacardiaceae) in mesic and hydromorphic soils in the lowland Atlantic forest. |
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Ano de publicação: |
2026 |
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Fonte/Imprenta: |
Brazilian Journal of Botany, v. 49, n.1, 2026. |
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ISSN: |
1806-9959 |
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DOI: |
https://doi.org/10.1007/s40415-026-01132-8 |
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Idioma: |
Inglês |
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Conteúdo: |
This study investigates whether intraspecific variations in the secondary xylem traits of Tapirira guianensis occur in response to local edaphic conditions, despite a uniform climate and vegetation type. Wood samples from this species were collected from two soil types—Podzol and Histosol—in the lowland Atlantic Forest along Brazil’s southern coastal plain. Histological sections and dissociated material were prepared for qualitative and quantitative anatomical analyses. Principal component analysis and mean comparison tests were used to assess anatomical differences between soil types. The results reveal signifi- cant trait variation, with greater vessel grouping, higher vessel density, smaller vessel diameter, and shorter vessel elements in Podzol, a mesic soil, compared to Histosol, an organic and hydromorphic soil. This suggests an investment strategy in xylem that enhances resistance to cavitation in soils with lower water availability, aligning with interspecific and intraspecific trends observed in other studies. Trees in Histosol exhibited a higher percentage of gelatinous fibers, suggesting these cells may help stabilize stem growth in response to substrate instability and/or mitigate the physiological drought effects from prolonged flooding. Allometric patterns were also detected: vessel diameter was negatively correlated with vessel density, and positively correlated with vessel element length and fiber length. Vessel grouping was positively correlated with ves- sel density. The results indicate that even under homogeneous climatic and vegetational conditions, edaphic gradients can significantly influence xylem anatomy. These findings highlight T. guianensis’s xylem plasticity, which may contribute to its resilience to both flooding and drought stress. MenosThis study investigates whether intraspecific variations in the secondary xylem traits of Tapirira guianensis occur in response to local edaphic conditions, despite a uniform climate and vegetation type. Wood samples from this species were collected from two soil types—Podzol and Histosol—in the lowland Atlantic Forest along Brazil’s southern coastal plain. Histological sections and dissociated material were prepared for qualitative and quantitative anatomical analyses. Principal component analysis and mean comparison tests were used to assess anatomical differences between soil types. The results reveal signifi- cant trait variation, with greater vessel grouping, higher vessel density, smaller vessel diameter, and shorter vessel elements in Podzol, a mesic soil, compared to Histosol, an organic and hydromorphic soil. This suggests an investment strategy in xylem that enhances resistance to cavitation in soils with lower water availability, aligning with interspecific and intraspecific trends observed in other studies. Trees in Histosol exhibited a higher percentage of gelatinous fibers, suggesting these cells may help stabilize stem growth in response to substrate instability and/or mitigate the physiological drought effects from prolonged flooding. Allometric patterns were also detected: vessel diameter was negatively correlated with vessel density, and positively correlated with vessel element length and fiber length. Vessel grouping was positively correlated with ves- se... Mostrar Tudo |
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Palavras-Chave: |
Anatomia da madeira; Atlantic Forest; Floresta ombrófila densa. |
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Thesagro: |
Ecologia; Tapirira Guianensis. |
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Thesaurus Nal: |
Ecology; Wood anatomy. |
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Categoria do assunto: |
K Ciência Florestal e Produtos de Origem Vegetal |
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Marc: |
LEADER 02642naa a2200265 a 4500
001 2183846
005 2026-01-28
008 2026 bl uuuu u00u1 u #d
022 $a1806-9959
024 7 $ahttps://doi.org/10.1007/s40415-026-01132-8$2DOI
100 1 $aGOGOSZ, A. M.
245 $aEcological trends in the xylem anatomy of Tapirira guianensis Aubl. (Anacardiaceae) in mesic and hydromorphic soils in the lowland Atlantic forest.$h[electronic resource]
260 $c2026
520 $aThis study investigates whether intraspecific variations in the secondary xylem traits of Tapirira guianensis occur in response to local edaphic conditions, despite a uniform climate and vegetation type. Wood samples from this species were collected from two soil types—Podzol and Histosol—in the lowland Atlantic Forest along Brazil’s southern coastal plain. Histological sections and dissociated material were prepared for qualitative and quantitative anatomical analyses. Principal component analysis and mean comparison tests were used to assess anatomical differences between soil types. The results reveal signifi- cant trait variation, with greater vessel grouping, higher vessel density, smaller vessel diameter, and shorter vessel elements in Podzol, a mesic soil, compared to Histosol, an organic and hydromorphic soil. This suggests an investment strategy in xylem that enhances resistance to cavitation in soils with lower water availability, aligning with interspecific and intraspecific trends observed in other studies. Trees in Histosol exhibited a higher percentage of gelatinous fibers, suggesting these cells may help stabilize stem growth in response to substrate instability and/or mitigate the physiological drought effects from prolonged flooding. Allometric patterns were also detected: vessel diameter was negatively correlated with vessel density, and positively correlated with vessel element length and fiber length. Vessel grouping was positively correlated with ves- sel density. The results indicate that even under homogeneous climatic and vegetational conditions, edaphic gradients can significantly influence xylem anatomy. These findings highlight T. guianensis’s xylem plasticity, which may contribute to its resilience to both flooding and drought stress.
650 $aEcology
650 $aWood anatomy
650 $aEcologia
650 $aTapirira Guianensis
653 $aAnatomia da madeira
653 $aAtlantic Forest
653 $aFloresta ombrófila densa
700 1 $aCOSMO, N. L.
700 1 $aBOTOSSO, P. C.
700 1 $aGALVÃO, F.
773 $tBrazilian Journal of Botany$gv. 49, n.1, 2026.
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| 1. |  | SOBREIRO, M. B.; VIEIRA, L. D.; NUNES, R.; NOVAES, E.; COISSAC, E.; SILVA JUNIOR, O. B.; GRATTAPAGLIA, D.; COLLEVATTI, R. G. Chloroplast genome assembly of Handroanthus impetiginosus: comparative analysis and molecular evolution in Bignoniaceae. Planta, v. 252, 91, 2020.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
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