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Spatial variability of physical atributes of a Spodosol and sugarcane yield
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Souza, Diego H. S. de
; Silva, Ênio F. de F. e
; Paz-González, Antonio
; Siqueira, Glécio M.
; Silva, Jucicléia S. da
; Dantas, Daniel da C.
.
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Revista Brasileira de Engenharia Agrícola e Ambiental
- Métricas do periódico
ABSTRACT Agricultural practices promote alterations in the physical properties of the soil, causing changes in its bulk density, porosity, distribution of pore diameter and water retention, which influences the availability to the plants. Precision agriculture acts as a tool that assists in soil management, favoring agricultural yield. The objective of this study was to evaluate the influence of the spatial variability of the physical attributes of a Spodosol on sugarcane yield. Soil sampling and crop yield evaluations were performed at 90 randomly chosen points in the experimental area. Disturbed and undisturbed samples were collected in the soil layers of 0.00-0.20 and 0.20-0.40 m to analyze the attributes: particle size, bulk density, field capacity, total porosity, macroporosity and microporosity. The highest sugarcane yields were observed in regions with more aerated soil, with lower bulk density and higher total porosity, and with greater water retention capacity in the 0.00-0.20 m layer. It was not possible to detect spatial dependence for the granulometric fractions of the soil with the sampling scheme used, except for the clay in the 0.20-0.40 m layer. The spherical model was the one that best fitted to the set of data of the studied variables.
RESUMO As práticas agrícolas promovem alterações nas propriedades físicas do solo, ocasionando modificações na sua densidade, porosidade, na distribuição do diâmetro dos poros e na retenção de água pelo solo que influencia na disponibilidade às plantas. A agricultura de precisão atua como uma ferramenta que auxilia no manejo do solo favorecendo a produtividade agrícola. Dentro desta lógica, o objetivo do presente estudo foi avaliar a influência da variabilidade espacial dos atributos físicos de um Espodossolo na produtividade da cultura de cana-de-açúcar. As amostragens do solo e da produtividade da cultura foram realizadas em 90 pontos escolhidos aleatoriamente na área experimental. Foram coletadas amostras deformadas e não deformadas nas camadas de solo de 0,00-0,20 e 0,20-0,40 m, a fim de analisar os atributos: textura, densidade do solo, umidade na capacidade de campo, porosidade total, macro e microporosidade. As maiores produtividades de cana-de-açúcar foram observadas em regiões com solo mais aerado, com menor densidade do solo e maior porosidade total, e com maior capacidade de retenção de água na camada de 0,00-0,20 m. Não foi possível detectar dependência espacial para as frações granulométricas do solo com o esquema de amostragem utilizado, exceto para a argila na camada de 0,20-0,40 m. O modelo esférico foi o que melhor se ajustou ao conjunto dos dados das variáveis estudadas.
2.
Spatial dependence of sugarcane yield according to the altitude and soil physical attributes in a transect
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Souza, Diego H. S. de
; Silva, Ênio F. de F.
; Paz-González, Antonio
; Siqueira, Glécio M.
; Dantas, Daniel da C.
.
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ABSTRACT Soil management carried out in areas with sugarcane production causes changes in the soil physical attributes, and geostatistics makes it possible to study the behavior of the spatial distribution of these variations. This study aimed to evaluate the behavior of the spatial distribution of sugarcane yield averages according to the altitude and soil physical attributes along a transect in Goiana, Pernambuco, Brazil. Sugarcane yield averages, altitudes, and soil physical attributes, such as soil bulk density, total porosity, micro and macro porosity, sand (total, coarse, and fine), silt, and clay, in the 0.00-0.20 and 0.20-0.40 m soil layers were determined at 20 m intervals along the transect characterized by a toposequence of Ultisols and Spodosols. Exploratory data analysis was performed with the aid of descriptive statistics. The analysis of spatial dependence was performed using geostatistics. Pairs of semivariances were obtained using the GS+ software. The development and adjustment of the semivariograms were performed using the GEOEAS geostatistical tool. The highest contents of the finest soil particles were found in the lowest sections of the transect, in the 0.20-0.40 m soil layers. The highest amount of macropores was observed in the subsurface soil layer. The areas with the lowest amount of micropores showed the lowest average sugarcane yield, around 32.00 t.ha-1. The geostatistical model that best fitted the data set was the spherical model.
RESUMO O manejo do solo em áreas com produção de cana-deaçúcar ocasiona modificações nos atributos físicos do solo, e a geoestatística permite estudar o comportamento de distribuição espacial destas variações. O objetivo deste estudo foi avaliar o comportamento da distribuição espacial da produtividade média da cana-de-açúcar, da altitude e dos atributos físicos do solo ao longo um transecto, localizado no município de Goiana, estado de Pernambuco, Brasil. A produtividade média da cana-de-açúcar, a altitude e os atributos físicos do solo: densidade do solo, porosidade total, micro e macro porosidade, areia (total, grossa e fina), silte e argila, nas camadas de 0,00-0,20 e 0,20-0,40 m de profundidade, foram quantificados em 145 pontos com intervalos de 20 m entre os pontos ao longo do transecto caracterizado por uma toposequência de Argissolo e Espodossolo. A análise exploratória dos dados foi realizada por meio da estatística descritiva. A análise de dependência espacial foi realizada por meio da geoestatística. Os pares das semivariâncias foram obtidos utilizando o programa GS+. A construção e o ajuste dos semivariogramas foram realizados utilizando a ferramenta geoestatística GEOEAS. Os maiores conteúdo de argila e silte foram verificados nos trechos mais baixos do transecto, na camada de 0,20-0,40 m. O maior conteúdo de macroporos foi observado na camada subsuperficial do solo. Os trechos com menor conteúdo de microporos, apresentaram menor produtividade média da cana-de-açúcar, em torno de 32,00 t.ha-1. O modelo geoestatístico que melhor se ajustou ao conjunto dos dados foi o esférico.
3.
COVID-19 in the Perioperative Period of Cardiovascular Surgery: the Brazilian Experience
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Gomes, Walter J.
; Rocco, Isadora
; Pimentel, Wallace S.
; Pinheiro, Aislan H. B.
; Souza, Paulo M. S.
; Costa, Luiz A. A.
; Teixeira, Marjory M. P.
; Ohashi, Leonardo P.
; Bublitz, Caroline
; Begot, Isis
; Moreira, Rita Simone L
; Hossne Jr, Nelson A.
; Vargas, Guilherme F.
; Branco, João Nelson R.
; Teles, Carlos A.
; Medeiros, Eduardo A. S.
; Sáfadi, Camila
; Rampinelli, Amândio
; Moratelli Neto, Leopoldo
; Rosado, Anderson Rosa
; Mesacasa, Franciele Kuhn
; Capriata, Ismael Escobar
; Segalote, Rodrigo Coelho
; Palmieri, Deborah Louize da Rocha Vianna
; Jardim, Amanda Cristina Mendes
; Vianna, Diego Sarty
; Coutinho, Joaquim Henrique de Souza Aguiar
; Jazbik, João Carlos
; Coutinho, Henrique Madureira da Rocha
; Kikuta, Gustavo
; Almeida, Zely Sant'Anna Marotti de
; Feguri, Gibran Roder
; Lima, Paulo Ruiz Lucio de
; Franco, Anna Carolina
; Borges, Danilo de Cerqueira
; Cruz, Felipe Ramos Honorato De La
; Croti, Ulisses Alexandre
; Borim, Bruna Cury
; Marchi, Carlos Henrique De
; Goraieb, Lilian
; Postigo, Karolyne Barroca Sanches
; Jucá, Fabiano Gonçalves
; Oliveira, Fátima Rosane de Almeida
; Souza, Rafael Bezerra de
; Zilli, Alexandre Cabral
; Mas, Raul Gaston Sanchez
; Bettiati Junior, Luiz Carlos
; Tranchesi, Ricardo
; Bertini Jr, Ayrton
; Franco, Leandro Vieira
; Fernandes, Priscila
; Oliveira, Fabiana
; Moraes Jr, Roberto
; Araújo, Thiago Cavalcanti Vila Nova de
; Braga, Otávio Penna
; Pedrosa Sobrinho, Antônio Cavalcanti
; Teixeira, Roberta Tavares Barreto
; Camboim, Irla Lavor Lucena
; Gomes, Eduardo Nascimento
; Reis, Pedro Horigushi
; Garcia, Luara Piovan
; Scorsioni, Nelson Henrique Goes
; Lago, Roberto
; Guizilini, Solange
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Brazilian Journal of Cardiovascular Surgery
- Métricas do periódico
Abstract Introduction: We investigated the clinical course and outcomes of patients submitted to cardiovascular surgery in Brazil and who had developed symptoms/signs of coronavirus disease 2019 (COVID-19) in the perioperative period. Methods: A retrospective multicenter study including 104 patients who were allocated in three groups according to time of positive real time reverse transcriptase-polymerase chain reaction (RT-PCR) for the SARS-CoV-2 (severe acute respiratory syndrome coronavirus 2): group 1, patients who underwent cardiac surgery > 10 days after positive RT-PCR; group 2, patients with a positive RT-PCR within 10 days before or after surgery; group 3, patients who presented positive RT-PCR > 10 days after surgery. The primary outcome was mortality and secondary outcomes were postoperative complications, intensive care unit (ICU) length of stay, and postoperative days of hospitalization. Results: The three groups were similar with respect to age, the European System of Cardiac Operative Risk Evaluation score, and comorbidities, except hypertension. Postoperative complications and death were significantly higher in groups 2 and 3 than in group 1, and no significant difference between groups 2 and 3 was seen. Group 2 showed a high prevalence of surgery performed as an urgent procedure. Although no significant differences were observed in ICU length of stay, total postoperative hospitalization time was significantly higher in group 3 than in groups 1 and 2. Conclusion: COVID-19 affecting the postoperative period of patients who underwent cardiovascular surgery is associated with a higher rate of morbidity and mortality. Delaying procedures in RT-PCR-positive patients may help reduce risks of perioperative complications and death.
4.
Draft genome sequence of Wickerhamomyces anomalus LBCM1105, isolated from cachaça fermentation
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Cunha, Aureliano C.
; Santos, Renato A. Corrêa dos
; Riaño-Pachon, Diego M.
; Squina, Fábio M.
; Oliveira, Juliana V. C.
; Goldman, Gustavo H.
; Souza, Aline T.
; Gomes, Lorena S.
; Godoy-Santos, Fernanda
; Teixeira, Janaina A.
; Faria-Oliveira, Fábio
; Rosse, Izinara C.
; Castro, Ieso M.
; Lucas, Cândida
; Brandão, Rogelio L.
.
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Abstract Wickerhamomyces anomalus LBCM1105 is a yeast isolated from cachaça distillery fermentation vats, notable for exceptional glycerol consumption ability. We report its draft genome with 20.5x in-depth coverage and around 90% extension and completeness. It harbors the sequences of proteins involved in glycerol transport and metabolism.
https://doi.org/10.1590/1678-4685-gmb-2019-0122
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5.
Content, extraction and export of nutrients in sugarcane under salinity and leaching fraction
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Lira, Raquele M. de
; Silva, Ênio F. de F. e
; Silva, Gerônimo F. da
; Souza, Diego H. S. de
; Pedrosa, Elvira M. R.
; Gordin, Leandro C.
.
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Revista Brasileira de Engenharia Agrícola e Ambiental
- Métricas do periódico
RESUMO Objetivou-se avaliar o teor dos macronutrientes e também o teor de cloro e sódio, na folha diagnóstico, e a extração e a exportação dos macronutrientes, em cana-de-açúcar irrigada com águas salinas e frações de lixiviação. Utilizou-se delineamento inteiramente casualizado em esquema fatorial 5 x 2, com quatro repetições, cinco níveis de salinidades da água (0,5; 2,0; 3,5; 5,0 e 6,5 dS m-1) e duas frações de lixiviação (L1 = 0 e L2 = 0.17). Os tratamentos foram aplicados aos 60 dias após o plantio. Aos 280 dias após o plantio foram coletadas as folhas-diagnóstico para avaliação do estado nutricional e dos teores de Cl e Na. Aos 360 dias após o plantio realizou-se a colheita separando-se colmos e ponteiro + folhas. A salinidade reduziu linearmente os teores de N, P, K e Mg na folha diagnóstico e elevou os teores de Ca, Cl e Na. Este efeito foi minimizado pela aplicação da fração de lixiviação 0,17. A extração de nutrientes seguiu a seguinte ordem: K > Ca > N > Mg > S > P. A salinidade da água de irrigação influenciou negativamente o estado nutricional, a extração e a exportação de nutrientes pela cultura, sendo que a aplicação da fração de 0,17 proporcionou melhores resultados, exceto para o Ca e o S.
ABSTRACT The objective of this study was to evaluate the contents of macronutrients and also chlorine and sodium in the diagnostic leaf, and the extraction and export of macronutrients in sugarcane irrigated with saline water and leaching fractions. The experiment was conducted in a complete randomized design in a 5 x 2 factorial scheme with four replications, corresponding to five levels of water salinity (0.5, 2.0, 3.5, 5.0 and 6.5 dS m-1) and two leaching fractions (L1 = 0 and L2 = 0.17). The treatments were applied 60 days after planting. At 280 days after planting, diagnostic leaves were collected and used to evaluate the nutritional status and the contents of Cl and Na. At 360 days after planting, the sugarcane was harvested and its stalks were separated into tops and leaves. Exposure to water of increasing salinity linearly reduced the N, P, K and Mg contents of the diagnostic leaves and increased their Ca, Cl and Na contents. This effect was minimized by the application of the 0.17 leaching fraction. The extraction of nutrients followed the order K > Ca > N > Mg > S > P. The salinity of the irrigation water had a negative effect on the nutritional status of the plant and on its extraction and export of nutrients; the application of the 0.17 leaching fraction improved the results, except for Ca and S.
https://doi.org/10.1590/1807-1929/agriambi.v23n6p432-438
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6.
Withanolides from Leaves of Nicandra physalodes
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Carrero, Diego A. S.
; Batista, Pedro H. J.
; Souza, Luciana G. S.
; Pinto, Francisco C. L.
; Vasconcelos, Mayron A. de
; Teixeira, Edson H.
; Canuto, Kirley M.
; Santiago, Gilvandete M. P.
; Silveira, Edilberto R.
; Pessoa, Otília D. L.
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Journal of the Brazilian Chemical Society
- Métricas do periódico
Five new withanolides, designated as 15-oxo-nicaphysalin B, 6β,7α-dihydroxynicandrenone 10, 24α,25β-dihydroxy-nicandrenone-2 and a mixture of the epimers 17-(1α/1β-methylpropanone)-nicandrenone, in addition to six known others, were isolated from the leaf acetone extract from Nicandra physalodes. The complete structures of the five new withanolides, particularly their relative stereochemistries, were established by extensive spectroscopic analyses, including 1D and 2D nuclear magnetic resonance (NMR) and high-resolution electrospray ionization mass spectrometry (HRESIMS). The main isolated withanolides were evaluated for their antibacterial, antifungal and larvicidal properties, but, except nicandrenone, which showed marginal larvicidal activity, none of them was active.
https://doi.org/10.21577/0103-5053.20170105
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7.
Twenty minutes of post-exercise hypotension are enough to predict chronic blood pressure reduction induced by resistance training in older women
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Eches, Erick H. P.
; Ribeiro, Alex S.
; Gerage, Aline M.
; Tomeleri, Crisieli M.
; Souza, Mariana F.
; Nascimento, Matheus A.
; Cavalcante, Edilaine F.
; Schiavoni, Durcelina
; Christofaro, Diego G. D.
; Gurjão, André Luiz D.
; Mayhew, Jerry L.
; Cyrino, Edilson S.
.
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Abstract AIM This study investigated the correlation between post-exercise hypotension (PEH) and chronic blood pressure (BP) reduction in older women after a resistance training (RT) program. METHODS Twenty-five older women (≥60 years) performed a RT program for 8 weeks, 3x/week consisting of 3 sets of 8-12 repetitions maximum in 8 exercises. Acute and chronic BP measurements were performed using automatic equipment, in which acute BP was measured before and after 10, 20, 30, 40, 50 and 60 min following the sixth exercise session, while chronic BP was measured pre and post-training. RESULTS Significant decrease for systolic blood pressure (SBP) was observed after the intervention period, however, the diastolic blood pressure (DBP) did not change. To acute changes in BP, SBP decreased at all times after a single RT session, while DBP increased after 40 min. The reduction for SBP after a single RT session at baseline showed positive and significant correlations with the reductions in basal SBP observed after the 8 weeks of RT, the strongest correlations were observed at 20 min. A linear relationship between the magnitude of change in chronic SBP and the 20 min for acute SBP, and 30 min for acute DBP of post-exercise was observed. CONCLUSION The results suggest that acute BP lowering after RT session is a reliable predictor of chronic BP response to exercise training, and 20 min of resting, after RT training, is enough to indicate chronic response of BP as this measure was highly associated with chronic BP lowering in older women.
https://doi.org/10.1590/s1980-6574201800010005
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8.
Isothermal Crystallization Kinetics of Poly(lactic acid) Stereocomplex/Graphene Nanocomposites
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The isothermal crystallization kinetics of PLA stereocomplex (scPLA) and scPLA/graphene oxide nanocomposites was investigated. scPLA was prepared by symmetric blending the two isomers, PLLA and PDLA and the scPLA nanocomposite by polymerization of the respective lactides in presence of commercial graphene oxide nanoplatelets (GNPO+) followed of blending the two composites. The effect of the filler on the crystallization behavior and thermal properties of scPLA was investigated by using differential scanning calorimetry (DSC). Avrami equation was used to describe the isothermal crystallization kinetics and melting behavior. Addition of 0.5 wt% GNPO+ to PLA matrix increases the crystallization rate, lowering the half-time of crystallization t1/2 to around 5.5 min for scPLA nanocomposites, which is about 2.7 min below that found for scPLA when isothermally crystallized at 165ºC. During the isothermal crystallization, homochiral and stereocomplex crystals are formed, depending on the crystallization temperature. As crystallization temperature reaches 160 and 165ºC, the crystallization of homocrystals become prevented and only stereocomplex crystals are formed.
https://doi.org/10.1590/1980-5373-mr-2017-0352
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9.
Growing knowledge: an overview of Seed Plant diversity in Brazil
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Zappi, Daniela C.
; Filardi, Fabiana L. Ranzato
; Leitman, Paula
; Souza, Vinícius C.
; Walter, Bruno M.T.
; Pirani, José R.
; Morim, Marli P.
; Queiroz, Luciano P.
; Cavalcanti, Taciana B.
; Mansano, Vidal F.
; Forzza, Rafaela C.
; Abreu, Maria C.
; Acevedo-Rodríguez, Pedro
; Agra, Maria F.
; Almeida Jr., Eduardo B.
; Almeida, Gracineide S.S.
; Almeida, Rafael F.
; Alves, Flávio M.
; Alves, Marccus
; Alves-Araujo, Anderson
; Amaral, Maria C.E.
; Amorim, André M.
; Amorim, Bruno
; Andrade, Ivanilza M.
; Andreata, Regina H.P.
; Andrino, Caroline O.
; Anunciação, Elisete A.
; Aona, Lidyanne Y.S.
; Aranguren, Yani
; Aranha Filho, João L.M.
; Araújo, Andrea O.
; Araújo, Ariclenes A.M.
; Araújo, Diogo
; Arbo, María M.
; Assis, Leandro
; Assis, Marta C.
; Assunção, Vivian A.
; Athiê-Souza, Sarah M.
; Azevedo, Cecilia O.
; Baitello, João B.
; Barberena, Felipe F.V.A.
; Barbosa, Maria R.V.
; Barros, Fábio
; Barros, Lucas A.V.
; Barros, Michel J.F.
; Baumgratz, José F.A.
; Bernacci, Luis C.
; Berry, Paul E.
; Bigio, Narcísio C.
; Biral, Leonardo
; Bittrich, Volker
; Borges, Rafael A.X.
; Bortoluzzi, Roseli L.C.
; Bove, Cláudia P.
; Bovini, Massimo G.
; Braga, João M.A.
; Braz, Denise M.
; Bringel Jr., João B.A.
; Bruniera, Carla P.
; Buturi, Camila V.
; Cabral, Elza
; Cabral, Fernanda N.
; Caddah, Mayara K.
; Caires, Claudenir S.
; Calazans, Luana S.B.
; Calió, Maria F.
; Camargo, Rodrigo A.
; Campbell, Lisa
; Canto-Dorow, Thais S.
; Carauta, Jorge P.P.
; Cardiel, José M.
; Cardoso, Domingos B.O.S.
; Cardoso, Leandro J.T.
; Carneiro, Camila R.
; Carneiro, Cláudia E.
; Carneiro-Torres, Daniela S.
; Carrijo, Tatiana T.
; Caruzo, Maria B.R.
; Carvalho, Maria L.S.
; Carvalho-Silva, Micheline
; Castello, Ana C.D.
; Cavalheiro, Larissa
; Cervi, Armando C.
; Chacon, Roberta G.
; Chautems, Alain
; Chiavegatto, Berenice
; Chukr, Nádia S.
; Coelho, Alexa A.O.P.
; Coelho, Marcus A.N.
; Coelho, Rubens L.G.
; Cordeiro, Inês
; Cordula, Elizabeth
; Cornejo, Xavier
; Côrtes, Ana L.A.
; Costa, Andrea F.
; Costa, Fabiane N.
; Costa, Jorge A.S.
; Costa, Leila C.
; Costa-e-Silva, Maria B.
; Costa-Lima, James L.
; Cota, Maria R.C.
; Couto, Ricardo S.
; Daly, Douglas C.
; De Stefano, Rodrigo D.
; De Toni, Karen
; Dematteis, Massimiliano
; Dettke, Greta A.
; Di Maio, Fernando R.
; Dórea, Marcos C.
; Duarte, Marília C.
; Dutilh, Julie H.A.
; Dutra, Valquíria F.
; Echternacht, Lívia
; Eggers, Lilian
; Esteves, Gerleni
; Ezcurra, Cecilia
; Falcão Junior, Marcus J.A.
; Feres, Fabíola
; Fernandes, José M.
; Ferreira, D.M.C.
; Ferreira, Fabrício M.
; Ferreira, Gabriel E.
; Ferreira, Priscila P.A.
; Ferreira, Silvana C.
; Ferrucci, Maria S.
; Fiaschi, Pedro
; Filgueiras, Tarciso S.
; Firens, Marcela
; Flores, Andreia S.
; Forero, Enrique
; Forster, Wellington
; Fortuna-Perez, Ana P.
; Fortunato, Reneé H.
; Fraga, Cléudio N.
; França, Flávio
; Francener, Augusto
; Freitas, Joelcio
; Freitas, Maria F.
; Fritsch, Peter W.
; Furtado, Samyra G.
; Gaglioti, André L.
; Garcia, Flávia C.P.
; Germano Filho, Pedro
; Giacomin, Leandro
; Gil, André S.B.
; Giulietti, Ana M.
; A.P.Godoy, Silvana
; Goldenberg, Renato
; Gomes da Costa, Géssica A.
; Gomes, Mário
; Gomes-Klein, Vera L.
; Gonçalves, Eduardo Gomes
; Graham, Shirley
; Groppo, Milton
; Guedes, Juliana S.
; Guimarães, Leonardo R.S.
; Guimarães, Paulo J.F.
; Guimarães, Elsie F.
; Gutierrez, Raul
; Harley, Raymond
; Hassemer, Gustavo
; Hattori, Eric K.O.
; Hefler, Sonia M.
; Heiden, Gustavo
; Henderson, Andrew
; Hensold, Nancy
; Hiepko, Paul
; Holanda, Ana S.S.
; Iganci, João R.V.
; Imig, Daniela C.
; Indriunas, Alexandre
; Jacques, Eliane L.
; Jardim, Jomar G.
; Kamer, Hiltje M.
; Kameyama, Cíntia
; Kinoshita, Luiza S.
; Kirizawa, Mizué
; Klitgaard, Bente B.
; Koch, Ingrid
; Koschnitzke, Cristiana
; Krauss, Nathália P.
; Kriebel, Ricardo
; Kuntz, Juliana
; Larocca, João
; Leal, Eduardo S.
; Lewis, Gwilym P.
; Lima, Carla T.
; Lima, Haroldo C.
; Lima, Itamar B.
; Lima, Laíce F.G.
; Lima, Laura C.P.
; Lima, Leticia R.
; Lima, Luís F.P.
; Lima, Rita B.
; Lírio, Elton J.
; Liro, Renata M.
; Lleras, Eduardo
; Lobão, Adriana
; Loeuille, Benoit
; Lohmann, Lúcia G.
; Loiola, Maria I.B.
; Lombardi, Julio A.
; Longhi-Wagner, Hilda M.
; Lopes, Rosana C.
; Lorencini, Tiago S.
; Louzada, Rafael B.
; Lovo, Juliana
; Lozano, Eduardo D.
; Lucas, Eve
; Ludtke, Raquel
; Luz, Christian L.
; Maas, Paul
; Machado, Anderson F.P.
; Macias, Leila
; Maciel, Jefferson R.
; Magenta, Mara A.G.
; Mamede, Maria C.H.
; Manoel, Evelin A.
; Marchioretto, Maria S.
; Marques, Juliana S.
; Marquete, Nilda
; Marquete, Ronaldo
; Martinelli, Gustavo
; Martins da Silva, Regina C.V.
; Martins, Ângela B.
; Martins, Erika R.
; Martins, Márcio L.L.
; Martins, Milena V.
; Martins, Renata C.
; Matias, Ligia Q.
; Maya-L., Carlos A.
; Mayo, Simon
; Mazine, Fiorella
; Medeiros, Debora
; Medeiros, Erika S.
; Medeiros, Herison
; Medeiros, João D.
; Meireles, José E.
; Mello-Silva, Renato
; Melo, Aline
; Melo, André L.
; Melo, Efigênia
; Melo, José I.M.
; Menezes, Cristine G.
; Menini Neto, Luiz
; Mentz, Lilian A.
; Mezzonato, A.C.
; Michelangeli, Fabián A.
; Milward-de-Azevedo, Michaele A.
; Miotto, Silvia T.S.
; Miranda, Vitor F.O.
; Mondin, Cláudio A.
; Monge, Marcelo
; Monteiro, Daniele
; Monteiro, Raquel F.
; Moraes, Marta D.
; Moraes, Pedro L.R.
; Mori, Scott A.
; Mota, Aline C.
; Mota, Nara F.O.
; Moura, Tania M.
; Mulgura, Maria
; Nakajima, Jimi N.
; Nardy, Camila
; Nascimento Júnior, José E.
; Noblick, Larry
; Nunes, Teonildes S.
; O'Leary, Nataly
; Oliveira, Arline S.
; Oliveira, Caetano T.
; Oliveira, Juliana A.
; Oliveira, Luciana S.D.
; Oliveira, Maria L.A.A.
; Oliveira, Regina C.
; Oliveira, Renata S.
; Oliveira, Reyjane P.
; Paixão-Souza, Bruno
; Parra, Lara R.
; Pasini, Eduardo
; Pastore, José F.B.
; Pastore, Mayara
; Paula-Souza, Juliana
; Pederneiras, Leandro C.
; Peixoto, Ariane L.
; Pelissari, Gisela
; Pellegrini, Marco O.O.
; Pennington, Toby
; Perdiz, Ricardo O.
; Pereira, Anna C.M.
; Pereira, Maria S.
; Pereira, Rodrigo A.S.
; Pessoa, Clenia
; Pessoa, Edlley M.
; Pessoa, Maria C.R.
; Pinto, Luiz J.S.
; Pinto, Rafael B.
; Pontes, Tiago A.
; Prance, Ghillean T.
; Proença, Carolyn
; Profice, Sheila R.
; Pscheidt, Allan C.
; Queiroz, George A.
; Queiroz, Rubens T.
; Quinet, Alexandre
; Rainer, Heimo
; Ramos, Eliana
; Rando, Juliana G.
; Rapini, Alessandro
; Reginato, Marcelo
; Reis, Ilka P.
; Reis, Priscila A.
; Ribeiro, André R.O.
; Ribeiro, José E.L.S.
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; Ritter, Mara R.
; Rivadavia, Fernando
; Rocha, Antônio E.S.
; Rocha, Maria J.R.
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; Rodrigues, Karina F.
; Rodrigues, Rodrigo S.
; Rodrigues, Rodrigo S.
; Rodrigues, Vinícius T.
; Rodrigues, William
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; Romão, Gerson O.
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; Roque, Nádia
; Rosa, Patrícia
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; Scalon, Viviane R.
; Schneider, Ângelo
; Sebastiani, Renata
; Secco, Ricardo S.
; Senna, Luisa
; Senna-Valle, Luci
; Shirasuna, Regina T.
; Silva Filho, Pedro J.S.
; Silva, Anádria S.
; Silva, Christian
; Silva, Genilson A.R.
; Silva, Gisele O.
; Silva, Márcia C.R.
; Silva, Marcos J.
; Silva, Marcos J.
; Silva, Otávio L.M.
; Silva, Rafaela A.P.
; Silva, Saura R.
; Silva, Tania R.S.
; Silva-Gonçalves, Kelly C.
; Silva-Luz, Cíntia L.
; Simão-Bianchini, Rosângela
; Simões, André O.
; Simpson, Beryl
; Siniscalchi, Carolina M.
; Siqueira Filho, José A.
; Siqueira, Carlos E.
; Siqueira, Josafá C.
; Smith, Nathan P.
; Snak, Cristiane
; Soares Neto, Raimundo L.
; Soares, Kelen P.
; Soares, Marcos V.B.
; Soares, Maria L.
; Soares, Polyana N.
; Sobral, Marcos
; Sodré, Rodolfo C.
; Somner, Genise V.
; Sothers, Cynthia A.
; Sousa, Danilo J.L.
; Souza, Elnatan B.
; Souza, Élvia R.
; Souza, Marcelo
; Souza, Maria L.D.R.
; Souza-Buturi, Fátima O.
; Spina, Andréa P.
; Stapf, María N.S.
; Stefano, Marina V.
; Stehmann, João R.
; Steinmann, Victor
; Takeuchi, Cátia
; Taylor, Charlotte M.
; Taylor, Nigel P.
; Teles, Aristônio M.
; Temponi, Lívia G.
; Terra-Araujo, Mário H.
; Thode, Veronica
; Thomas, W.Wayt
; Tissot-Squalli, Mara L.
; Torke, Benjamin M.
; Torres, Roseli B.
; Tozzi, Ana M.G.A.
; Trad, Rafaela J.
; Trevisan, Rafael
; Trovó, Marcelo
; Valls, José F.M.
; Vaz, Angela M.S.F.
; Versieux, Leonardo
; Viana, Pedro L.
; Vianna Filho, Marcelo D.M.
; Vieira, Ana O.S.
; Vieira, Diego D.
; Vignoli-Silva, Márcia
; Vilar, Thaisa
; Vinhos, Franklin
; Wallnöfer, Bruno
; Wanderley, Maria G.L.
; Wasshausen, Dieter
; Watanabe, Maurício T.C.
; Weigend, Maximilian
; Welker, Cassiano A.D.
; Woodgyer, Elizabeth
; Xifreda, Cecilia C.
; Yamamoto, Kikyo
; Zanin, Ana
; Zenni, Rafael D.
; Zickel, Carmem S
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Resumo Um levantamento atualizado das plantas com sementes e análises relevantes acerca desta biodiversidade são apresentados. Este trabalho se iniciou em 2010 com a publicação do Catálogo de Plantas e Fungos e, desde então vem sendo atualizado por mais de 430 especialistas trabalhando online. O Brasil abriga atualmente 32.086 espécies nativas de Angiospermas e 23 espécies nativas de Gimnospermas e estes novos dados mostram um aumento de 3% da riqueza em relação a 2010. A Amazônia é o Domínio Fitogeográfico com o maior número de espécies de Gimnospermas, enquanto que a Floresta Atlântica possui a maior riqueza de Angiospermas. Houve um crescimento considerável no número de espécies e nas taxas de endemismo para a maioria dos Domínios (Caatinga, Cerrado, Floresta Atlântica, Pampa e Pantanal), com exceção da Amazônia que apresentou uma diminuição de 2,5% de endemicidade. Entretanto, a maior parte das plantas com sementes que ocorrem no Brasil (57,4%) é endêmica deste território. A proporção de formas de vida varia de acordo com os diferentes Domínios: árvores são mais expressivas na Amazônia e Floresta Atlântica do que nos outros biomas, ervas são dominantes no Pampa e as lianas apresentam riqueza expressiva na Amazônia, Floresta Atlântica e Pantanal. Este trabalho não só quantifica a biodiversidade brasileira, mas também indica as lacunas de conhecimento e o desafio a ser enfrentado para a conservação desta flora.
Abstract An updated inventory of Brazilian seed plants is presented and offers important insights into the country's biodiversity. This work started in 2010, with the publication of the Plants and Fungi Catalogue, and has been updated since by more than 430 specialists working online. Brazil is home to 32,086 native Angiosperms and 23 native Gymnosperms, showing an increase of 3% in its species richness in relation to 2010. The Amazon Rainforest is the richest Brazilian biome for Gymnosperms, while the Atlantic Rainforest is the richest one for Angiosperms. There was a considerable increment in the number of species and endemism rates for biomes, except for the Amazon that showed a decrease of 2.5% of recorded endemics. However, well over half of Brazillian seed plant species (57.4%) is endemic to this territory. The proportion of life-forms varies among different biomes: trees are more expressive in the Amazon and Atlantic Rainforest biomes while herbs predominate in the Pampa, and lianas are more expressive in the Amazon, Atlantic Rainforest, and Pantanal. This compilation serves not only to quantify Brazilian biodiversity, but also to highlight areas where there information is lacking and to provide a framework for the challenge faced in conserving Brazil's unique and diverse flora.
https://doi.org/10.1590/2175-7860201566411
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