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 | Acesso ao texto completo restrito à biblioteca da Embrapa Cerrados. Para informações adicionais entre em contato com cpac.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Cerrados. |
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Data corrente: |
02/01/2018 |
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Data da última atualização: |
02/01/2018 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
LUZ, P. M. C. da; PAULA-MORAES, S. V. de; LÓPEZ, J. M. P.; PUJOL-LUZ, J. R.; PENTEADO-DIAS, A. M.; SPECHT, A.; DINIZ, I. R. |
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Afiliação: |
ALEXANDRE SPECHT, CPAC. |
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Título: |
Parasitoid associated with of Helicoverpa armigera in refuge areas of cotton, in Western Bahia, Brazil. |
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Complemento do título: |
Parasitoides associados com Helicoverpa armigera em áreas de refúgio de algodão, no Oeste da Bahia, Brasil. |
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Ano de publicação: |
2018 |
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Fonte/Imprenta: |
Ciência Rural, v. 48, n. 1, 2018. |
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ISSN: |
1678-4596 |
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Idioma: |
Português |
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Palavras-Chave: |
Inimigos naturais; Manejo integrado de pragas. |
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Thesagro: |
Controle Biológico; Praga de planta. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00739naa a2200241 a 4500
001 2084031
005 2018-01-02
008 2018 bl uuuu u00u1 u #d
022 $a1678-4596
100 1 $aLUZ, P. M. C. da
245 $aParasitoid associated with of Helicoverpa armigera in refuge areas of cotton, in Western Bahia, Brazil.$h[electronic resource]
260 $c2018
650 $aControle Biológico
650 $aPraga de planta
653 $aInimigos naturais
653 $aManejo integrado de pragas
700 1 $aPAULA-MORAES, S. V. de
700 1 $aLÓPEZ, J. M. P.
700 1 $aPUJOL-LUZ, J. R.
700 1 $aPENTEADO-DIAS, A. M.
700 1 $aSPECHT, A.
700 1 $aDINIZ, I. R.
773 $tCiência Rural$gv. 48, n. 1, 2018.
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Embrapa Cerrados (CPAC) |
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Registro Completo
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Biblioteca(s): |
Embrapa Solos. |
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Data corrente: |
15/08/2014 |
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Data da última atualização: |
10/11/2021 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 1 |
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Autoria: |
OLIVEIRA, F. S. de; SCHAEFER, C. E. G. R.; ABRAHÃO, W. A. P.; ALMEIDA, E. de P. C.; SIMAS, F. N. B. |
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Afiliação: |
Fábio Soares de Oliveira, Departamento de Geografia, Instituto de Geociências, Universidade Federal de Minas Gerais, UFMG.; Carlos Ernesto G.R. Schaefer, Departamento de Solos, Universidade Federal de Viçosa, UFV.; Walter Antônio Pereira Abrahão, Departamento de Solos, Universidade Federal de Viçosa, UFV.; ELIANE DE PAULA CLEMENTE ALMEIDA, CNPS; Felipe Nogueira Bello Simas, Departamento de Solos, Universidade Federal de Viçosa, UFV. |
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Título: |
Soil-geomorphology interactions and paleoclimatic implications of an ornithogenic soil toposequence on Rata Island, Fernando de Noronha Archipelago, South Atlantic. |
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Ano de publicação: |
2014 |
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Fonte/Imprenta: |
Journal of South American Earth Sciences, v. 52, p. 119-128, Jul. 2014. |
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DOI: |
https://doi.org/10.1016/j.jsames.2014.02.007 |
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Idioma: |
Inglês |
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Conteúdo: |
The formation of highly phosphatized soils on sites of avian activity is a common feature of oceanic islands. We characterized a toposequence of phosphatic soils on Rata Island, to evaluate the soil genesis based on local topographic variations. For this purpose, four soils ranging from the upper hill down to the lowest landscape position on the island, representing a range of parent materials (basalt and calcareous sands), were analyzed. In the lowest landscape position a shallow Regosol was identified, strongly influenced by birds and marine sprays, developed on 'karstified' Pleistocene calcarenites; the three other soils in the upper part of the toposequence are Ornithogenic Cambisols, ranging from a deep Cambisol profile on Basalt lava to intermediate Cambisols on mixed colluvial sediments of the basalt/ calcareous. The lowermost Regosol is associated with a rugged landscape with strong calcarenite dissolution and karstification. The soil phosphatization is clearly an inherited process of the Late Quaternary age, when climate conditions were different. Initial weathering took place in the last interglacial period, under wetter conditions during which the Tertiary basalts were strongly weathered, leaving corestones in a saprolitic, oxidized mass. In the late Pleistocene, a gentle surface distributed these weathering products along the pediment slopes as colluvial materials, whereas in the coastal areas aeolian processes formed large sand dunes composed of reworked calcareous sands from marine sources during a time of very low sea level. During this time, widespread bird activity accounted for secondary apatite formation on the surface of calcareous oolites. Finally, the Holocene warming was accompanied by increasing sea level, enhanced tropical weathering, Fe and Al mobility and variscite formation superimposed on degraded Ca-phosphates, forming two phase phosphatic aggregates. MenosThe formation of highly phosphatized soils on sites of avian activity is a common feature of oceanic islands. We characterized a toposequence of phosphatic soils on Rata Island, to evaluate the soil genesis based on local topographic variations. For this purpose, four soils ranging from the upper hill down to the lowest landscape position on the island, representing a range of parent materials (basalt and calcareous sands), were analyzed. In the lowest landscape position a shallow Regosol was identified, strongly influenced by birds and marine sprays, developed on 'karstified' Pleistocene calcarenites; the three other soils in the upper part of the toposequence are Ornithogenic Cambisols, ranging from a deep Cambisol profile on Basalt lava to intermediate Cambisols on mixed colluvial sediments of the basalt/ calcareous. The lowermost Regosol is associated with a rugged landscape with strong calcarenite dissolution and karstification. The soil phosphatization is clearly an inherited process of the Late Quaternary age, when climate conditions were different. Initial weathering took place in the last interglacial period, under wetter conditions during which the Tertiary basalts were strongly weathered, leaving corestones in a saprolitic, oxidized mass. In the late Pleistocene, a gentle surface distributed these weathering products along the pediment slopes as colluvial materials, whereas in the coastal areas aeolian processes formed large sand dunes composed of reworked calcare... Mostrar Tudo |
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Palavras-Chave: |
Paleogeograph; Phosphatization; Volcanic islands. |
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Thesaurus NAL: |
ornithogenic soils. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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Marc: |
LEADER 02738naa a2200229 a 4500
001 1992705
005 2021-11-10
008 2014 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1016/j.jsames.2014.02.007$2DOI
100 1 $aOLIVEIRA, F. S. de
245 $aSoil-geomorphology interactions and paleoclimatic implications of an ornithogenic soil toposequence on Rata Island, Fernando de Noronha Archipelago, South Atlantic.$h[electronic resource]
260 $c2014
520 $aThe formation of highly phosphatized soils on sites of avian activity is a common feature of oceanic islands. We characterized a toposequence of phosphatic soils on Rata Island, to evaluate the soil genesis based on local topographic variations. For this purpose, four soils ranging from the upper hill down to the lowest landscape position on the island, representing a range of parent materials (basalt and calcareous sands), were analyzed. In the lowest landscape position a shallow Regosol was identified, strongly influenced by birds and marine sprays, developed on 'karstified' Pleistocene calcarenites; the three other soils in the upper part of the toposequence are Ornithogenic Cambisols, ranging from a deep Cambisol profile on Basalt lava to intermediate Cambisols on mixed colluvial sediments of the basalt/ calcareous. The lowermost Regosol is associated with a rugged landscape with strong calcarenite dissolution and karstification. The soil phosphatization is clearly an inherited process of the Late Quaternary age, when climate conditions were different. Initial weathering took place in the last interglacial period, under wetter conditions during which the Tertiary basalts were strongly weathered, leaving corestones in a saprolitic, oxidized mass. In the late Pleistocene, a gentle surface distributed these weathering products along the pediment slopes as colluvial materials, whereas in the coastal areas aeolian processes formed large sand dunes composed of reworked calcareous sands from marine sources during a time of very low sea level. During this time, widespread bird activity accounted for secondary apatite formation on the surface of calcareous oolites. Finally, the Holocene warming was accompanied by increasing sea level, enhanced tropical weathering, Fe and Al mobility and variscite formation superimposed on degraded Ca-phosphates, forming two phase phosphatic aggregates.
650 $aornithogenic soils
653 $aPaleogeograph
653 $aPhosphatization
653 $aVolcanic islands
700 1 $aSCHAEFER, C. E. G. R.
700 1 $aABRAHÃO, W. A. P.
700 1 $aALMEIDA, E. de P. C.
700 1 $aSIMAS, F. N. B.
773 $tJournal of South American Earth Sciences$gv. 52, p. 119-128, Jul. 2014.
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