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Registro Completo |
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Biblioteca(s): |
Embrapa Solos. |
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Data corrente: |
22/11/2002 |
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Data da última atualização: |
22/11/2002 |
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Autoria: |
SALDARRIAGA, J. G.; UHL, C. |
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Título: |
Recovery of forest vegetation following slash-and-burn agriculture in the Upper Rio Negro |
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Ano de publicação: |
1991 |
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Fonte/Imprenta: |
In: GOMEZ-POMPA, A.; WHITMORE, T.C.; HADLEY, M. Rain forest regeneration and management. Paris: UNESCO/Parthenon Publishing, 1991. (Man and the biophere series, v.6). |
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Páginas: |
p.303-312 |
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Idioma: |
Inglês |
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Conteúdo: |
Changes in species composition, forest structure and biomass have been studied at 24 tropical forest sites along the Upper Rio Negro region of Colombia and Venezuela. Stands were selected from the tierra firme forests (non-flooded) to represent a chronosequence of succession following slash-and-burn agricultural practices. After abandonment, the number of species increases from early successional to mature forests. The speciescomposition of the mature forests depends on a small fraction of primary species that survive from early stages of succession and on the introduction of many primary species at later stages of succession. Small areas disturbed by slash-and-burn agriculture recover their original species composition, but the time required varies, dependingon the intensity and frequency of disturbance in the area. On a large scale, the forest is a mosaic of different aged patches and structural characteristics, with high variability among stands, depending on soils, micro-relief, species composition, and disturbance dynamics. Approximately 140-200 years is required for an abandoned farm to attain the biomass values comparable to those of a mature forest. Recovery is thus five to seven times longer in the Upper Rio Negro than in other tropical areas in South America. |
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Thesagro: |
Conservação; Ecologia; Floresta Tropical; Manejo; Silvicultura. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01964naa a2200205 a 4500
001 1327859
005 2002-11-22
008 1991 bl uuuu u00u1 u #d
100 1 $aSALDARRIAGA, J. G.
245 $aRecovery of forest vegetation following slash-and-burn agriculture in the Upper Rio Negro
260 $c1991
300 $ap.303-312
520 $aChanges in species composition, forest structure and biomass have been studied at 24 tropical forest sites along the Upper Rio Negro region of Colombia and Venezuela. Stands were selected from the tierra firme forests (non-flooded) to represent a chronosequence of succession following slash-and-burn agricultural practices. After abandonment, the number of species increases from early successional to mature forests. The speciescomposition of the mature forests depends on a small fraction of primary species that survive from early stages of succession and on the introduction of many primary species at later stages of succession. Small areas disturbed by slash-and-burn agriculture recover their original species composition, but the time required varies, dependingon the intensity and frequency of disturbance in the area. On a large scale, the forest is a mosaic of different aged patches and structural characteristics, with high variability among stands, depending on soils, micro-relief, species composition, and disturbance dynamics. Approximately 140-200 years is required for an abandoned farm to attain the biomass values comparable to those of a mature forest. Recovery is thus five to seven times longer in the Upper Rio Negro than in other tropical areas in South America.
650 $aConservação
650 $aEcologia
650 $aFloresta Tropical
650 $aManejo
650 $aSilvicultura
700 1 $aUHL, C.
773 $tIn: GOMEZ-POMPA, A.; WHITMORE, T.C.; HADLEY, M. Rain forest regeneration and management. Paris: UNESCO/Parthenon Publishing, 1991. (Man and the biophere series$gv.6).
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Embrapa Solos (CNPS) |
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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: |
26/10/2022 |
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Data da última atualização: |
02/05/2024 |
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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: |
RIBEIRO, S. S.; SCHWARTZ, G.; SILVA, A. R.; CRUZ, D. C. da; BRASIL NETO, A. B.; GAMA, M. A. P.; MARTINS, W. B. R.; BARBOSA, R. de S.; LOPES, J. do C. A. |
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Afiliação: |
SABRINA SANTOS RIBEIRO, UNIVERSIDADE FEDERAL RURAL DA AMAZÔNIA; GUSTAVO SCHWARTZ, CPATU; ARYSTIDES RESENDE SILVA, CPATU; DENIS CONRADO DA CRUZ, UNIVERSIDAD DE ALCALÁ; ALBERTO B. BRASIL NETO, INSTITUTO FEDERAL DE EDUCAÇÃO, CIÊNCIA E TECNOLOGIA; MARCOS ANDRÉ PIEDADE GAMA, UNIVERSIDADE FEDERAL RURAL DA AMAZÔNIA; WALMER BRUNO ROCHA MARTINS, UNIVERSIDADE FEDERAL RURAL DA AMAZÔNIA; RODRIGO DE SOUZA BARBOSA, UNIVERSIDADE FEDERAL RURAL DA AMAZÔNIA; JOSE DO CARMO ALVES LOPES, CPATU. |
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Título: |
Soil properties under different supplementary organic fertilizers in a restoration site after kaolin mining in the Eastern Amazon. |
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Ano de publicação: |
2021 |
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Fonte/Imprenta: |
Ecological Engineering, v. 170, 106352, Nov. 2021. |
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DOI: |
https://doi.org/10.1016/j.ecoleng.2021.106352 |
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Idioma: |
Inglês |
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Conteúdo: |
Mining is one of the economic activities that most degrade ecosystems, and the rehabilitation of such environments in the Brazilian Amazon is still a challenge. The first step is to recover the soil quality for plant reestablishment. In this study was evaluated the effect of different organic fertilizers, supplementary to chemical fertilizers, on the physical and chemical attributes of a minesoil after kaolin mining in the Eastern Amazon, Brazil. Nine trenches measuring 1 m × 40 m and 1 m in depth were opened in a reconstructed area after kaolin mining. They were 6 m apart from each other and filled with topsoil from areas destined for new mine pits. Then 40 cm × 40 cm × 40 cm pits were opened along the trenches. They were 1.5 m apart from each other within each trench, and 400 g pit−1 of simple superphosphate, 130 g pit−1 of urea and 130 g pit−1 of potassium chloride were applied in five treatments: three treatments along the trenches, in the planting rows with; i) addition of topsoil; ii) sawdust; iii) cattle manure, and two treatments between the planting rows; iv) sawdust; and v) without sawdust. Two hundred and fifty seedlings of six heliophilous tree species were planted, being randomly distributed. One hundred and forty-four disturbed (original structure altered) and 144 undisturbed (structure equal to the original soil) samples were collected for evaluation of the physical and chemical attributes of minesoil. Besides soil, other variables were assessed: plants abundance, height, diameter at breast height as well as litter stock. The treatments did not differ significantly in relation to the effects on abundance, height, diameter and litter stock, either in the planting rows or between them. The organic matter was higher in the Manure treatment at depths of 0.0?0.1 and 0.2?0.4 m. The sawdust coverage between trenches increased Ca and base saturation, but decreased N due to the high Carbon/Nitrogen ratio. Planting using trenches, topsoil, chemical and organic fertilization and sawdust coverage resulted in good physical and chemical properties of the soil and enabled greater efficiency in restoring the area mined for kaolin in the Amazon. MenosMining is one of the economic activities that most degrade ecosystems, and the rehabilitation of such environments in the Brazilian Amazon is still a challenge. The first step is to recover the soil quality for plant reestablishment. In this study was evaluated the effect of different organic fertilizers, supplementary to chemical fertilizers, on the physical and chemical attributes of a minesoil after kaolin mining in the Eastern Amazon, Brazil. Nine trenches measuring 1 m × 40 m and 1 m in depth were opened in a reconstructed area after kaolin mining. They were 6 m apart from each other and filled with topsoil from areas destined for new mine pits. Then 40 cm × 40 cm × 40 cm pits were opened along the trenches. They were 1.5 m apart from each other within each trench, and 400 g pit−1 of simple superphosphate, 130 g pit−1 of urea and 130 g pit−1 of potassium chloride were applied in five treatments: three treatments along the trenches, in the planting rows with; i) addition of topsoil; ii) sawdust; iii) cattle manure, and two treatments between the planting rows; iv) sawdust; and v) without sawdust. Two hundred and fifty seedlings of six heliophilous tree species were planted, being randomly distributed. One hundred and forty-four disturbed (original structure altered) and 144 undisturbed (structure equal to the original soil) samples were collected for evaluation of the physical and chemical attributes of minesoil. Besides soil, other variables were asses... Mostrar Tudo |
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Palavras-Chave: |
Restauração florestal. |
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Thesagro: |
Adubo Orgânico; Mineração; Solo. |
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Thesaurus NAL: |
Forest restoration; Mining; Topsoil. |
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Categoria do assunto: |
K Ciência Florestal e Produtos de Origem Vegetal |
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Marc: |
LEADER 03158naa a2200313 a 4500
001 2147799
005 2024-05-02
008 2021 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1016/j.ecoleng.2021.106352$2DOI
100 1 $aRIBEIRO, S. S.
245 $aSoil properties under different supplementary organic fertilizers in a restoration site after kaolin mining in the Eastern Amazon.$h[electronic resource]
260 $c2021
520 $aMining is one of the economic activities that most degrade ecosystems, and the rehabilitation of such environments in the Brazilian Amazon is still a challenge. The first step is to recover the soil quality for plant reestablishment. In this study was evaluated the effect of different organic fertilizers, supplementary to chemical fertilizers, on the physical and chemical attributes of a minesoil after kaolin mining in the Eastern Amazon, Brazil. Nine trenches measuring 1 m × 40 m and 1 m in depth were opened in a reconstructed area after kaolin mining. They were 6 m apart from each other and filled with topsoil from areas destined for new mine pits. Then 40 cm × 40 cm × 40 cm pits were opened along the trenches. They were 1.5 m apart from each other within each trench, and 400 g pit−1 of simple superphosphate, 130 g pit−1 of urea and 130 g pit−1 of potassium chloride were applied in five treatments: three treatments along the trenches, in the planting rows with; i) addition of topsoil; ii) sawdust; iii) cattle manure, and two treatments between the planting rows; iv) sawdust; and v) without sawdust. Two hundred and fifty seedlings of six heliophilous tree species were planted, being randomly distributed. One hundred and forty-four disturbed (original structure altered) and 144 undisturbed (structure equal to the original soil) samples were collected for evaluation of the physical and chemical attributes of minesoil. Besides soil, other variables were assessed: plants abundance, height, diameter at breast height as well as litter stock. The treatments did not differ significantly in relation to the effects on abundance, height, diameter and litter stock, either in the planting rows or between them. The organic matter was higher in the Manure treatment at depths of 0.0?0.1 and 0.2?0.4 m. The sawdust coverage between trenches increased Ca and base saturation, but decreased N due to the high Carbon/Nitrogen ratio. Planting using trenches, topsoil, chemical and organic fertilization and sawdust coverage resulted in good physical and chemical properties of the soil and enabled greater efficiency in restoring the area mined for kaolin in the Amazon.
650 $aForest restoration
650 $aMining
650 $aTopsoil
650 $aAdubo Orgânico
650 $aMineração
650 $aSolo
653 $aRestauração florestal
700 1 $aSCHWARTZ, G.
700 1 $aSILVA, A. R.
700 1 $aCRUZ, D. C. da
700 1 $aBRASIL NETO, A. B.
700 1 $aGAMA, M. A. P.
700 1 $aMARTINS, W. B. R.
700 1 $aBARBOSA, R. de S.
700 1 $aLOPES, J. do C. A.
773 $tEcological Engineering$gv. 170, 106352, Nov. 2021.
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