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Biblioteca(s):  Embrapa Territorial.
Data corrente:  07/03/2023
Data da última atualização:  29/11/2023
Tipo da produção científica:  Artigo em Periódico Indexado
Autoria:  GARCIA, L. G.; SALEMI, L. F.; MINGOTI, R.; CASSIANO, C. C.; FRANSOZI, A. A.; FARIA, V. G. DE; VETTORAZZI, C. A.; LIMA, W. L.; FERRAZ, S. F. DE B.
Afiliação:  LARA GABRIELLE GARCIA, UNIVERSIDADE DE SÃO PAULO - ESALQ; LUIZ FELIPPE SALEMI, UNIVERSIDADE DE BRASÍLIA; RAFAEL MINGOTI, CNPM; CARLA CRISTINA CASSIANO, UNIVERSIDADE DE SÃO PAULO - ESALQ; ALINE APARECIDA FRANSOZI, UNIVERSIDADE DE SÃO PAULO - ESALQ; VINICIUS GUIDOTTI DE FARIA, IMAFLORA; CARLOS ALBERTO VETTORAZZI, UNIVERSIDADE DE SÃO PAULO - ESALQ; WALTER PAULA LIMA, UNIVERSIDADE DE SÃO PAULO - ESALQ; SILVIO FROSINI DE BARROS FERRAZ, UNIVERSIDADE DE SÃO PAULO - ESALQ.
Título:  Hydrological effects of spatial harvest patterns in a small catchment Covered by fast-growing plantations in the neotropics.
Ano de publicação:  2023
Fonte/Imprenta:  Advances in Environmental and Engineering Research, v. 4, n. 1, p. 1-17, 2023.
ISBN:  2766-6190
DOI:  10.21926/aeer.2301022
Idioma:  Português
Conteúdo:  ABSTRACT: Eucalyptus forests are expanding worldwide and concerns exist about their impact on water resources. There is a lack of information about the hydrological effects of spatial harvest patterns in terms of their effects on streamflow. In this paper, we examined harvest amount and hillslope position effects on flow indices (Q70; Q50 and Q10) and water yield in a small catchment covered with a fast-growing Eucalyptus plantation. To do that, we used the Gridded Surface Subsurface Hydrologic Analysis (GSSHA), a physical-based distributed hydrological model, to simulate harvesting scenarios with different harvest amounts(30% and 70% of the forest plantation) at two hillslope positions (downslope and upslope). We also verified the influence of the amount of rainfall on peak flows for all scenarios. The results showed that the increase in water yield is positively related to the harvest amount and that, under the same harvest amount, harvests in downslope areas caused a larger increase in water yield than harvests in upslope areas. Downslope harvests led to a greater increase in peak flow under the 30% harvest. For the 70% harvest, no substantial effects of harvest position on peak flow could be detected. Incorporating harvest amounts and spatial patterns in Eucalyptus plantations management practices may be useful to mitigate their effects on water resources, especially in regions where water availability is generally lower.
Palavras-Chave:  Fast-growing forest plantation; Hydrologic model; Hydrological effect.
Categoria do assunto:  P Recursos Naturais, Ciências Ambientais e da Terra
URL:  https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1152154/1/6102.pdf
Marc:  Mostrar Marc Completo
Registro original:  Embrapa Territorial (CNPM)
Biblioteca ID Origem Tipo/Formato Classificação Cutter Registro Volume Status URL
CNPM6102 - 1UPCAP - DD23/002AP2023.002
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Registro Completo

Biblioteca(s):  Embrapa Unidades Centrais.
Data corrente:  29/11/2016
Data da última atualização:  24/05/2017
Autoria:  OLIVEIRA, W. R. D. de; RAMOS, M. L. G.; CARVALHO, A. M. de; COSER, T. R.; SILVA, A. M. M.; LACERDA, M. M.; SOUZA, K. W. de; MARCHAO, R. L.; VILELA, L.; PULROLNIK, K.
Afiliação:  WILLIAN ROBERSON DUARTE DE OLIVEIRA, CNA; MARIA LUCRECIA GEROSA RAMOS, UNB; ARMINDA MOREIRA DE CARVALHO, CPAC; THAIS RODRIGUES COSER, CPAC; ANTÔNIO MARCOS MIRANDA SILVA, UNB; MANOEL MESSIAS LACERDA, UNB; KLEBERSON WORSLLEY DE SOUZA, CPAC; ROBELIO LEANDRO MARCHAO, CPAC; LOURIVAL VILELA, CPAC; KARINA PULROLNIK, CPAC.
Título:  Dynamics of soil microbiological attributes under integrated production systems, continuous pasture, and native cerrado.
Ano de publicação:  2016
Fonte/Imprenta:  Pesquisa Agropecuária Brasileira, Brasília, DF, v. 51, n. 9, p. 1501-1510, set. 2016.
Idioma:  Inglês
Notas:  Título em português: Dinâmica de atributos microbiológicos do solo em sistemas integrados de produção, pastagem contínua e cerrado nativo.
Conteúdo:  The objective of this work was to evaluate the dynamics of soil microbiological attributes under integrated production systems, continuous pasture, and native cerrado. The study was conducted in a transition area from crop to livestock. Four areas with different land uses were evaluated: an integrated crop-livestockforestry system (ICLFS), cultivated with Eucalyptus urograndis alley cropping, spaced 2x2 m between plants and 22 m between alleys; an integrated crop-livestock system (ICLS); besides two adjacent areas of native cerrado and continuous pasture, used as a reference. For the assessment of microbiological attributes, soil samples were taken in the 0.00?0.10, 0.10?0.20, and 0.20?0.30-m layers, in February 2012 and February 2014 (rainy season), and in July 2012 and September 2013 (dry season). In general, soil under native cerrado had the highest microbial biomass carbon (MBC) levels, while under the ICLFS it had the lowest ones. The ICLS increased MBC and microbial coefficient in the deeper soil layers, after two years of establishment. Basal respiration, microbial biomass nitrogen, and MBC are the soil microbiological attributes better able to differentiate the evaluated systems.
Palavras-Chave:  Biomassa microbiana do solo; Integrated crop-livestock-forestry; Qualidade do solo; Sistema de integração lavoura-pecuária-floresta.
Thesagro:  Manejo do solo.
Thesaurus NAL:  Microbial biomass; Soil management; Soil microorganisms; Soil quality.
Categoria do assunto:  --
URL:  https://ainfo.cnptia.embrapa.br/digital/bitstream/item/150794/1/Dynamics-of-soil-microbiological.pdf
Marc:  Mostrar Marc Completo
Registro original:  Embrapa Unidades Centrais (AI-SEDE)
Biblioteca ID Origem Tipo/Formato Classificação Cutter Registro Volume Status
AI-SEDE60227 - 1UPEAP - PP630.72081P474
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