|
|
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
|
|
Registro Completo
Biblioteca(s): |
Embrapa Cerrados. |
Data corrente: |
12/12/2018 |
Data da última atualização: |
12/12/2018 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 1 |
Autoria: |
PERIPOLLI, E.; METZGER, J.; LEMOS, M. V. A. de; STAFUZZA, N. B.; KLUSKA, S.; OLIVIERI, B. F.; FEITOSA, F. L. B.; BERTON, M. P.; LOPES, F. B.; MUNARI, D. P.; LOBO, R. B.; MAGNABOSCO, C. de U.; DI CROCE, F.; OSTERSTOCK, J.; DENISE, S.; PEREIRA, A. S. C.; BALDI, F. |
Afiliação: |
ELISA PERIPOLLI, UNESP; JULIA METZGER, University of Veterinary Medicine Hannover; MARCOS VINICIUS ANTUNES DE LEMOS, UNESP; NEDENIA BONVINOSTAFUZZA, UNESP; SABRINA KLUSKA, UNESP; BIANCA FERREIRA OLIVIERI, UNESP; FABIELI LOUISE BRAGA FEITOSA, UNESP; MARIANA PIATTO BERTON, UNESP; FERNANDO BRITO LOPES, UNESP; DANISIO PRADO MUNARI, UNESP; RAYSILDO BARBOSA LOBO, Associação Nacional de Criadores e Pesquisadores; CLAUDIO DE ULHOA MAGNABOSCO, CPAC; FERNANDO DI CROCE, Zoetis; JASON OSTERSTOCK, Zoetis; SUE DENISE, Zoetis; ANGELICA SIMONE CRAVO PEREIRA, USP; FERNANDO BALDI, UNESP. |
Título: |
Autozygosity islands and ROH patterns in Nellore lineages: evidence of selection for functionally important traits. |
Ano de publicação: |
2018 |
Fonte/Imprenta: |
BMC Genomics, v. 19, 680, 2018. |
DOI: |
https://dx.doi.org/10.1186%2Fs12864-018-5060-8 |
Idioma: |
Inglês |
Conteúdo: |
Abstract Background The aim of this study was to assess genome-wide autozygosity in a Nellore cattle population and to characterize ROH patterns and autozygosity islands that may have occurred due to selection within its lineages. It attempts also to compare estimates of inbreeding calculated from ROH (FROH), genomic relationship matrix (FGRM), and pedigree-based coefficient (FPED). Results The average number of ROH per animal was 55.15 ± 13.01 with an average size of 3.24 Mb. The Nellore genome is composed mostly by a high number of shorter segments accounting for 78% of all ROH, although the proportion of the genome covered by them was relatively small. The genome autozygosity proportion indicates moderate to high inbreeding levels for classical standards, with an average value of 7.15% (178.70 Mb). The average of FPED and FROH, and their correlations (− 0.05 to 0.26) were low. Estimates of correlation between FGRM-FPED was zero, while the correlation (− 0.01 to − 0.07) between FGRM-FROH decreased as a function of ROH length, except for FROH > 8Mb (− 0.03). Overall, inbreeding coefficients were not high for the genotyped animals. Autozygosity islands were evident across the genome (n = 62) and their genomic location did not largely differ within lineages. Enriched terms (p < 0.01) associated with defense response to bacteria (GO:0042742), immune complex reaction (GO:0045647), pregnancy-associated glycoproteins genes (GO:0030163), and organism growth (GO:0040014) were described within the autozygotic islands. Conclusions Low FPED-FROH correlation estimates indicate that FPED is not the most suitable method for capturing ancient inbreeding when the pedigree does not extend back many generations and FROH should be used instead. Enriched terms (p < 0.01) suggest a strong selection for immune response. Non-overlapping islands within the lineages greatly explain the mechanism underlying selection for functionally important traits in Nellore cattle. MenosAbstract Background The aim of this study was to assess genome-wide autozygosity in a Nellore cattle population and to characterize ROH patterns and autozygosity islands that may have occurred due to selection within its lineages. It attempts also to compare estimates of inbreeding calculated from ROH (FROH), genomic relationship matrix (FGRM), and pedigree-based coefficient (FPED). Results The average number of ROH per animal was 55.15 ± 13.01 with an average size of 3.24 Mb. The Nellore genome is composed mostly by a high number of shorter segments accounting for 78% of all ROH, although the proportion of the genome covered by them was relatively small. The genome autozygosity proportion indicates moderate to high inbreeding levels for classical standards, with an average value of 7.15% (178.70 Mb). The average of FPED and FROH, and their correlations (− 0.05 to 0.26) were low. Estimates of correlation between FGRM-FPED was zero, while the correlation (− 0.01 to − 0.07) between FGRM-FROH decreased as a function of ROH length, except for FROH > 8Mb (− 0.03). Overall, inbreeding coefficients were not high for the genotyped animals. Autozygosity islands were evident across the genome (n = 62) and their genomic location did not largely differ within lineages. Enriched terms (p < 0.01) associated with defense response to bacteria (GO:0042742), immune complex reaction (GO:0045647), pr... Mostrar Tudo |
Palavras-Chave: |
Padroes ROH. |
Thesagro: |
Endogamia; Gado Nelore; Genética Animal; Genoma. |
Thesaurus NAL: |
Homozygosity. |
Categoria do assunto: |
G Melhoramento Genético |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/188276/1/12864-2018-Article-5060-APAGAR.pdf
|
Marc: |
LEADER 03204naa a2200397 a 4500 001 2101339 005 2018-12-12 008 2018 bl uuuu u00u1 u #d 024 7 $ahttps://dx.doi.org/10.1186%2Fs12864-018-5060-8$2DOI 100 1 $aPERIPOLLI, E. 245 $aAutozygosity islands and ROH patterns in Nellore lineages$bevidence of selection for functionally important traits.$h[electronic resource] 260 $c2018 520 $aAbstract Background The aim of this study was to assess genome-wide autozygosity in a Nellore cattle population and to characterize ROH patterns and autozygosity islands that may have occurred due to selection within its lineages. It attempts also to compare estimates of inbreeding calculated from ROH (FROH), genomic relationship matrix (FGRM), and pedigree-based coefficient (FPED). Results The average number of ROH per animal was 55.15 ± 13.01 with an average size of 3.24 Mb. The Nellore genome is composed mostly by a high number of shorter segments accounting for 78% of all ROH, although the proportion of the genome covered by them was relatively small. The genome autozygosity proportion indicates moderate to high inbreeding levels for classical standards, with an average value of 7.15% (178.70 Mb). The average of FPED and FROH, and their correlations (− 0.05 to 0.26) were low. Estimates of correlation between FGRM-FPED was zero, while the correlation (− 0.01 to − 0.07) between FGRM-FROH decreased as a function of ROH length, except for FROH > 8Mb (− 0.03). Overall, inbreeding coefficients were not high for the genotyped animals. Autozygosity islands were evident across the genome (n = 62) and their genomic location did not largely differ within lineages. Enriched terms (p < 0.01) associated with defense response to bacteria (GO:0042742), immune complex reaction (GO:0045647), pregnancy-associated glycoproteins genes (GO:0030163), and organism growth (GO:0040014) were described within the autozygotic islands. Conclusions Low FPED-FROH correlation estimates indicate that FPED is not the most suitable method for capturing ancient inbreeding when the pedigree does not extend back many generations and FROH should be used instead. Enriched terms (p < 0.01) suggest a strong selection for immune response. Non-overlapping islands within the lineages greatly explain the mechanism underlying selection for functionally important traits in Nellore cattle. 650 $aHomozygosity 650 $aEndogamia 650 $aGado Nelore 650 $aGenética Animal 650 $aGenoma 653 $aPadroes ROH 700 1 $aMETZGER, J. 700 1 $aLEMOS, M. V. A. de 700 1 $aSTAFUZZA, N. B. 700 1 $aKLUSKA, S. 700 1 $aOLIVIERI, B. F. 700 1 $aFEITOSA, F. L. B. 700 1 $aBERTON, M. P. 700 1 $aLOPES, F. B. 700 1 $aMUNARI, D. P. 700 1 $aLOBO, R. B. 700 1 $aMAGNABOSCO, C. de U. 700 1 $aDI CROCE, F. 700 1 $aOSTERSTOCK, J. 700 1 $aDENISE, S. 700 1 $aPEREIRA, A. S. C. 700 1 $aBALDI, F. 773 $tBMC Genomics$gv. 19, 680, 2018.
Download
Esconder MarcMostrar Marc Completo |
Registro original: |
Embrapa Cerrados (CPAC) |
|
Biblioteca |
ID |
Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
Fechar
|
Nenhum registro encontrado para a expressão de busca informada. |
|
|