|
|
Registro Completo |
Biblioteca(s): |
Embrapa Semiárido. |
Data corrente: |
18/02/2021 |
Data da última atualização: |
12/01/2023 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
SILVA, T. G. F. da; QUEIROZ, M. G. de; ZOLNIER, S.; SOUZA, L. S. B. de; SOUZA, C. A. A. de; MOURA, M. S. B. de; ARAUJO, G. G. L. de; STEIDLE NETO, A. J.; SANTOS, T. S. dos; MELO, A. L. de; CRUZ NETO, J. F. da; SILVA, M. J. da; ALVES, H. K. M. N. |
Afiliação: |
Thieres George Freire da Silva; Maria Gabriela de Queiroz; Sérgio Zolnier; Luciana Sandra Bastos de Souza; Carlos André Alves de Souza; MAGNA SOELMA BESERRA DE MOURA, CPATSA; GHERMAN GARCIA LEAL DE ARAUJO, CPATSA; Antonio Jose Steidle Neto; Thalyta Soares dos Santos; Andre Laurênio de Melo; José Francisco da Cruz Neto; Marcelo Jose da Silva; Hygor Kristoph Muniz Nunes Alves. |
Título: |
Soil properties and microclimate of two predominant landscapes in the Brazilian semiarid region: comparison between a seasonally dry tropical forest and a deforested area. |
Ano de publicação: |
2021 |
Fonte/Imprenta: |
Soil and Tillage Research, v. 207, mar. 2021. |
DOI: |
https://doi.org/10.1016/j.still.2020.104852 |
Idioma: |
Inglês |
Conteúdo: |
The Brazilian semiarid region has been subjected to strong man-made actions since the 1970s, which have resulted in landscape transformation. The scientific literature presents several studies on the soil properties or microclimate of different types of landscapes; however, less attention was having been paid to the surface contrast between native vegetation and bare soil. The objective of this research was to evaluate the soil properties and microclimate of two common landscapes in the Brazilian semiarid region, a seasonally dry tropical forest (Caatinga) and a deforested area. Soil and microclimate data were obtained from two sites, both located in the State of Pernambuco, Brazil. Soil samples were collected on six dates and from layers, and microclimate variables were measured for three years. Soil properties and microclimatic data were evaluated using the MannWhitney test, as well as regression and principal component analysis. Successive years of agricultural practices affected the bulk density, promoting an increase in the total porosity of the soil in the deforested area site. In addition, changes were verified in the magnitude of many chemical properties (pH, P, K+, Mg2+, Cu2+, Fe, Mn, Zn2+ and Ca2+), indicating soil degradation. Compared with the Caatinga forest site, the minimum air temperature was 2.3 ◦C, and the maximum vapor pressure deficit was 7% higher in the deforested area site, and it is very likely that Caatinga removal there will lead to a reduction in precipitation. The results suggest that Caatinga vegetation removal followed by agricultural practices and subsequent land abandonment promotes significant changes in soil properties and the microclimate, which can contribute to advances in desertification and affects agricultural activities in the Brazilian semiarid region. MenosThe Brazilian semiarid region has been subjected to strong man-made actions since the 1970s, which have resulted in landscape transformation. The scientific literature presents several studies on the soil properties or microclimate of different types of landscapes; however, less attention was having been paid to the surface contrast between native vegetation and bare soil. The objective of this research was to evaluate the soil properties and microclimate of two common landscapes in the Brazilian semiarid region, a seasonally dry tropical forest (Caatinga) and a deforested area. Soil and microclimate data were obtained from two sites, both located in the State of Pernambuco, Brazil. Soil samples were collected on six dates and from layers, and microclimate variables were measured for three years. Soil properties and microclimatic data were evaluated using the MannWhitney test, as well as regression and principal component analysis. Successive years of agricultural practices affected the bulk density, promoting an increase in the total porosity of the soil in the deforested area site. In addition, changes were verified in the magnitude of many chemical properties (pH, P, K+, Mg2+, Cu2+, Fe, Mn, Zn2+ and Ca2+), indicating soil degradation. Compared with the Caatinga forest site, the minimum air temperature was 2.3 ◦C, and the maximum vapor pressure deficit was 7% higher in the deforested area site, and it is very likely that Caatinga removal there will lead to a reductio... Mostrar Tudo |
Palavras-Chave: |
Degradação do solo; Evasão; Mudanças nos nutrientes do solo; Terras agrícolas. |
Thesagro: |
Caatinga; Clima; Degradação Ambiental; Solo; Uso da Terra. |
Thesaurus Nal: |
Climate. |
Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/221231/1/Soil-properties-and-microclimate-2021.pdf
|
Marc: |
LEADER 03074naa a2200397 a 4500 001 2130062 005 2023-01-12 008 2021 bl uuuu u00u1 u #d 024 7 $ahttps://doi.org/10.1016/j.still.2020.104852$2DOI 100 1 $aSILVA, T. G. F. da 245 $aSoil properties and microclimate of two predominant landscapes in the Brazilian semiarid region$bcomparison between a seasonally dry tropical forest and a deforested area.$h[electronic resource] 260 $c2021 520 $aThe Brazilian semiarid region has been subjected to strong man-made actions since the 1970s, which have resulted in landscape transformation. The scientific literature presents several studies on the soil properties or microclimate of different types of landscapes; however, less attention was having been paid to the surface contrast between native vegetation and bare soil. The objective of this research was to evaluate the soil properties and microclimate of two common landscapes in the Brazilian semiarid region, a seasonally dry tropical forest (Caatinga) and a deforested area. Soil and microclimate data were obtained from two sites, both located in the State of Pernambuco, Brazil. Soil samples were collected on six dates and from layers, and microclimate variables were measured for three years. Soil properties and microclimatic data were evaluated using the MannWhitney test, as well as regression and principal component analysis. Successive years of agricultural practices affected the bulk density, promoting an increase in the total porosity of the soil in the deforested area site. In addition, changes were verified in the magnitude of many chemical properties (pH, P, K+, Mg2+, Cu2+, Fe, Mn, Zn2+ and Ca2+), indicating soil degradation. Compared with the Caatinga forest site, the minimum air temperature was 2.3 ◦C, and the maximum vapor pressure deficit was 7% higher in the deforested area site, and it is very likely that Caatinga removal there will lead to a reduction in precipitation. The results suggest that Caatinga vegetation removal followed by agricultural practices and subsequent land abandonment promotes significant changes in soil properties and the microclimate, which can contribute to advances in desertification and affects agricultural activities in the Brazilian semiarid region. 650 $aClimate 650 $aCaatinga 650 $aClima 650 $aDegradação Ambiental 650 $aSolo 650 $aUso da Terra 653 $aDegradação do solo 653 $aEvasão 653 $aMudanças nos nutrientes do solo 653 $aTerras agrícolas 700 1 $aQUEIROZ, M. G. de 700 1 $aZOLNIER, S. 700 1 $aSOUZA, L. S. B. de 700 1 $aSOUZA, C. A. A. de 700 1 $aMOURA, M. S. B. de 700 1 $aARAUJO, G. G. L. de 700 1 $aSTEIDLE NETO, A. J. 700 1 $aSANTOS, T. S. dos 700 1 $aMELO, A. L. de 700 1 $aCRUZ NETO, J. F. da 700 1 $aSILVA, M. J. da 700 1 $aALVES, H. K. M. N. 773 $tSoil and Tillage Research$gv. 207, mar. 2021.
Download
Esconder MarcMostrar Marc Completo |
Registro original: |
Embrapa Semiárido (CPATSA) |
|
Biblioteca |
ID |
Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
URL |
Voltar
|
|
| Acesso ao texto completo restrito à biblioteca da Embrapa Hortaliças. Para informações adicionais entre em contato com cnph.biblioteca@embrapa.br. |
Registro Completo
Biblioteca(s): |
Embrapa Hortaliças. |
Data corrente: |
06/10/1999 |
Data da última atualização: |
06/10/1999 |
Autoria: |
TORRES, A. C.; BUSO, J. A. |
Afiliação: |
EMBRAPA-CNPH, Brasilia, DF. |
Título: |
Novos desenvolvimentos na biotecnologia vegetal. |
Ano de publicação: |
1999 |
Fonte/Imprenta: |
In: PAGLIANO, D. Calidade genetica y sanitaria: un instrumento para la competitividad de la cadena agroindustrial. Montevideo: IICA / PROCISUR, 1999. |
Páginas: |
p.3-12. |
Idioma: |
Espanhol |
Conteúdo: |
Recuperacao de plantas livres de virus; Micropropagacao e multiplicacao em larga escala; Quebra de barreira de incompatibilidade; Variacao somaclonal; Transformacao gebetica de plantas. |
Palavras-Chave: |
Biotecnology; Genetic trnasformation; Plant; Trnasformacao genetica. |
Thesagro: |
Biotecnologia; Micropropagação; Planta. |
Thesaurus NAL: |
micropropagation. |
Categoria do assunto: |
-- |
Marc: |
LEADER 00907naa a2200241 a 4500 001 1766659 005 1999-10-06 008 1999 bl uuuu u00u1 u #d 100 1 $aTORRES, A. C. 245 $aNovos desenvolvimentos na biotecnologia vegetal. 260 $c1999 300 $ap.3-12. 520 $aRecuperacao de plantas livres de virus; Micropropagacao e multiplicacao em larga escala; Quebra de barreira de incompatibilidade; Variacao somaclonal; Transformacao gebetica de plantas. 650 $amicropropagation 650 $aBiotecnologia 650 $aMicropropagação 650 $aPlanta 653 $aBiotecnology 653 $aGenetic trnasformation 653 $aPlant 653 $aTrnasformacao genetica 700 1 $aBUSO, J. A. 773 $tIn: PAGLIANO, D. Calidade genetica y sanitaria: un instrumento para la competitividad de la cadena agroindustrial. Montevideo: IICA / PROCISUR, 1999.
Download
Esconder MarcMostrar Marc Completo |
Registro original: |
Embrapa Hortaliças (CNPH) |
|
Biblioteca |
ID |
Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
Fechar
|
Nenhum registro encontrado para a expressão de busca informada. |
|
|