Application of the WUDAPT method in the city of Mendoza-Argentina to define Local Climate Zones

El trabajo aplica el modelo de Zonas Climáticas Locales en el Área Metropolitana de Mendoza -AMM- utilizando el método WUDAPT y realiza un análisis crítico de su factibilidad de implementación en función de las características de la ciudad. Como hipótesis, contar con una zonificación de las estructuras urbanas homologadas de acuerdo a su condición microclimática es el primer paso para efectivizar la implementación de distintas estrategias de mitigación de la isla de calor a escala ciudad. Las limitaciones del método WUDAPT (World Urban Database and Access Portal Tools) en el área de estudio se vinculan a dos factores: la definición de clases para la zonificación y la condición de homogeneidad necesaria para determinar las áreas de entrenamiento. Los resultados muestran, que la clasificación WUDAPT se estructura en clases puras, con imposibilidad de generar subclases. Las clases puras están definidas de acuerdo a la combinación de un conjunto de parámetros que no describen de manera acabada la condición de los perfiles urbanos del AMM en verano, donde el arbolado en alineación actúa como elemento morfológico estructurante. Esto implica la necesidad de generar subclases, afectando la relación entre Factor de Visión de Cielo, relación alto/ancho de canal vial, Factor de Ocupación de Suelo, superficie impermeable y altura promedio. Otra limitación, es el tamaño de las zonas de entrenamiento, que exige áreas homogéneas de 1 Km2, condición difícil de cumplir en el AMM. En este trabajo la herramienta con clases estándar ha sido adaptada para la apropiada caracterización de las zonas climáticas en ciudades con abundante forestación urbana, cuya tipología es creciente en América Latina. Se concluye que, superadas las limitaciones de la herramienta, las zonas climáticas identificadas dentro del área de análisis muestran correlación con el paisaje de los distintos sectores de la ciudad y homogeneidad térmica intraclase.The work applies the Local Climate Zones model in the Mendoza Metropolitan Area (AMM in Spanish), using the WUDAPT method and makes a critical analysis of its implementation feasibility based on the characteristics of the city. As a hypothesis, having a zoning of homologated urban structures according to their microclimatic condition is the first step to make the implementation of different urban heat island mitigation strategies effective on a city scale. The limitations of the WUDAPT method (World Urban Database Access Portal Tools) in the study area are linked to two factors: the definition of classes for zoning and the necessary homogeneity condition to determine training areas. The results show that the WUDAPT classification is structured in pure classes, with the impossibility of generating subclasses. The pure classes are defined according to the combination of a set of parameters that do not fully describe the condition of the urban profiles of the AMM in summer. In this season, the trees in rows act as a morphological structuring element. This implies the need to generate subclasses, affecting the relationship between Sky View Factor, road channel height/width ratio, Land Occupancy Factor, impermeable surface and average height. Another limitation is the size of the training areas, which require homogeneous areas of 1 km2, a difficult condition to fulfill in the AMM. In this work, the tool with standard classes has been adapted for the appropriate characterization of climatic zones in cities with abundant urban forestation, whose typology is growing in Latin America. It is concluded that once limitations of the tool are overcome, the climatic zones identified within the analysis area show correlation with the landscape in different sectors of the city and intra-class thermal homogeneity

Tools for energy and environmentally sustainable planning of urban areas: definition of Local Climate Zones in MMA

El trabajo tiene por objetivo generar una zonificación climática para el Área Metropolitana de Mendoza (AMM) que permita estandarizar el estudio del clima urbano y disponer de una base teórica sólida para la planificación y manejo de la ciudad. El modelo desarrollado es el de Zonas Climáticas Locales (LCZ) propuesto por Stewart y Oke, y para ello se ha utilizado la herramienta WUDAPT (World Urban Database Access Portal Tools).Los resultados muestran que, las zonas climáticas identificadas dentro del área de análisis exponen correlación con el paisaje de los distintos sectores de la ciudad.The work aims to generate a climatic zoning for the Mendoza Metropolitan Area (AMM) that allows to standardize the study of urban climate and to have a solid theoretical basis for planning and management of the city. The model to be developed is the Local Climate Zones (LCZ) proposed by Stewart and Oke and for this purpose it has been used as a WUDAPT (World Urban Database Access Portal Tools) tool. The results show that, overcoming the tool limitations, the climatic zones identified within the analysis area show correlation with the landscape in different city sectors.Fil: Colli, María Florencia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto de Ambiente, Hábitat y Energía; ArgentinaFil: Correa, Erica N.. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto de Ambiente, Hábitat y Energía; ArgentinaFil: Martinez, Claudia. F.. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto de Ambiente, Hábitat y Energía; ArgentinaV Jornadas de Intercambio y Difusión de los Resultados de Investigaciones de los Doctorandos en IngenieríaCiudad Autónoma de Buenos AiresArgentinaUniversidad Tecnológica Naciona

Application of the Wudapt method in the city of Mendoza-Argentina to define local climate zones

El trabajo aplica el modelo de Zonas Climáticas Locales en el Área Metropolitana de Mendoza -AMM- utilizando el método WUDAPT y realiza un análisis crítico de su factibilidad de implementación en función de las características de la ciudad. Como hipótesis, contar con una zonificación de las estructuras urbanas homologadas de acuerdo a su condición microclimática esel primer paso para efectivizar la implementación de distintas estrategias de mitigación de la isla de calor a escala ciudad. Las limitaciones del método WUDAPT (World Urban Database and Access Portal Tools) en el área de estudio se vinculan a dos factores: la definición de clases para la zonificación y la condición de homogeneidad necesaria para determinar las áreas de entrenamiento. Los resultados muestran, que la clasificación WUDAPT se estructura en clases puras, con imposibilidad de generar subclases. Las clases puras están definidas de acuerdo a la combinación de un conjunto de parámetros que no describen de manera acabada la condición de los perfiles urbanos del AMM en verano, donde el arbolado en alineación actúa como elemento morfológico estructurante. Esto implica la necesidad de generar subclases, afectando la relación entre Factor de Visión de Cielo, relación alto/ancho de canal vial, Factor de Ocupación de Suelo, superficie impermeable y altura promedio. Otra limitación, es el tamaño de las zonas de entrenamiento, que exige áreas homogéneas de 1 Km2, condición difícil de cumplir en el AMM. En este trabajo la herramienta con clases estándar ha sido adaptada para la apropiada caracterización de las zonas climáticas en ciudades con abundante forestación urbana, cuya tipología es creciente en América Latina. Se concluye que, superadas las limitaciones de la herramienta, las zonas climáticas identificadas dentro del área de análisis muestran correlación con el paisaje de los distintos sectores de la ciudad y homogeneidad térmica intraclase.The work applies the Local Climate Zones model in the Mendoza Metropolitan Area (AMM in Spanish), using the WUDAPT method and makes a critical analysis of its implementation feasibility based on the characteristics of the city. As a hypothesis, having a zoning of homologated urban structures according to their microclimatic condition is the first step to make the implementation of different urban heat island mitigation strategies effective on a city scale. The limitations of the WUDAPT method (World Urban Database Access Portal Tools) in the study area are linked to two factors: the definition of classes for zoning and the necessary homogeneity condition to determine training areas. The results show that the WUDAPT classification is structured in pure classes, with the impossibility of generating subclasses. The pure classes are defined according to the combination of a set of parameters that do not fully describe the condition of the urban profiles of the AMM in summer. In this season, the trees in rows act as a morphological structuring element. This implies the need to generate subclasses, affecting the relationship between Sky View Factor, road channel height/width ratio, Land Occupancy Factor, impermeable surface and average height. Another limitation is the size of the training areas, which require homogeneous areas of 1 km2, a difficult condition to fulfill in the AMM. In this work, the tool with standard classes has been adapted for the appropriate characterization of climatic zones in cities with abundant urban forestation, whose typology is growing in Latin America. It is concluded that once limitations of the tool are overcome, the climatic zones identified within the analysis area show correlation with the landscape in different sectors of the city and intra-class thermal homogeneity.Fil: Colli, María Florencia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto de Ambiente, Hábitat y Energía; ArgentinaFil: Correa Cantaloube, Erica Norma. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto de Ambiente, Hábitat y Energía; ArgentinaFil: Martinez, Claudia Fernanda. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto de Ambiente, Hábitat y Energía; Argentin

Albedo quantification using remote sensing techniques: Cool roof in the metropolitan area of Mendoza- Argentina

The presence of cities raises the air temperature, because natural energetic balance is modified and CO2 emissions are increased, due to a growth of the sealed surfaces urban and to anthropogenic heat. A strategy to decrease urban temperatures and energy consumption is the extended application of cool materials -high albedo and thermal emittance- in the urban-building envelope. In particular, roofs are the horizontal opaque surfaces most exposed to solar radiation, and therefore, are those that absorb the highest thermal load of a building structure. The scope of this research is to design a procedure that allows discriminating the different albedo level of the surfaces of the urban envelope of Mendoza Metropolitan Area, Argentina, with final goal is to determine the energy saving (at building scale) and thermal comfort (at neighborhood scale) derived from to regulate the albedo values in the urban roofs. The methodology is based on performing a supervised classification of roofing materials using spectral signatures with the QGIS 3.2 ´Bonn´ software. For this purpose, images of the Sentinel 2a platform were used and 3 series of spectral signatures of built-up urban areas were obtained. The results show that the materials used mainly in the roofs of the city of Mendoza are membranes (74%), metal sheets (14%) and traditional tiles (13%). This knowledge is an efficient tool to quantify the energy and environmental effects derived from the regulation of albedo values in urban roofs.Fil: Alchapar, Noelia Liliana. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto de Ambiente, Hábitat y Energía; ArgentinaFil: Colli, María Florencia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto de Ambiente, Hábitat y Energía; ArgentinaFil: Correa Cantaloube, Erica Norma. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto de Ambiente, Hábitat y Energía; ArgentinaConference Sustainable Built Environment TemucoTemucoChileUniversidad Católica de Temuco. Facultad de Arquitectura, Artes y Diseñ

Zoonificación climática local como base para el estudio del clima urbano: caso del área metropolitana de Mendoza

El trabajo tiene por objetivo analizar si el sistema de Zonas Climáticas Locales propuesto por Stewart y Oke es aplicable al Área Metropolitana de Mendoza. Como hipótesis se sostiene que es posible la definición de estas zonas, pero la misma no sería con clases puras.Se describen y evalúan diferentes ejecuciones de la metodología a escala mundial, regional y local, para evidenciar el procedimiento que sigue cada autor en la zonificación. Para la aplicación del sistema en Mendoza se utilizó la herramienta World Urban Database y Access Portal Tools. Los resultados muestran que es posible la aplicación en el área urbana, siendo necesaria la generación de subclases climáticas en verano, que reflejen las particularidades de la ciudad, dadas por la abundante forestación urbana. El arbolado público en Mendoza se presenta como un componente estructural y causante de que las clases no sean puras, ya que el modelo de base con clases estándar se ajusta a países europeos, donde el arbolado urbano es escaso y no afecta las características del clima local.Finalmente se considera fundamental contar en el Área Metropolitana de Mendoza con una zonificación climática cartografiada como instrumento para la planificación urbana sustentable y estratégica.Fil: Colli, María Florencia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto de Ambiente, Hábitat y Energía; ArgentinaFil: Correa Cantaloube, Erica Norma. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto de Ambiente, Hábitat y Energía; ArgentinaFil: Martinez, Claudia Fernanda. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto de Ambiente, Hábitat y Energía; ArgentinaIV Congreso Latinoamericano de Estudios Urbanos: Transformaciones Metropolitanas en América Latina. La investigación frente a nuevos escenariosLos PolvorinesArgentinaUniversidad Nacional de General Sarmient

Cool materials in buildings: Roofs as a measure for urban energy rehabilitation

This chapter explores the implementation of cool roofs in the Metropolitan Area of Mendoza (Argentina). The objective is to evaluate their potential as a mitigating strategy for urban heat stress and energy savings in homes during the cooling season. The research demonstrated the potential of the implementation of cool roofs as a solution towards building energy efficiency without incurring an additional economic cost. This knowledge contributes to design guidelines for urban planning aimed at cushioning electrical energy consumption for cooling, mitigating the urban heat island effect and improving indoor and outdoor comfort conditions in urban areas.This book provides the reader with an understanding of the impact that different morphologies, construction materials and green coverage solutions have on the urban microclimate, thus affecting the comfort conditions of urban inhabitants and the energy needs of buildings in urban areas. The book covers the latest approaches to energy and outdoor comfort measurement and modelling on an urban scale, and describes possible measures and strategies to mitigate the effects of the mutual interaction between urban settlements and local microclimate.Despite its relevance, only limited literature is currently devoted to appraising?from an engineering perspective?the intertwining relationships between urban geometry and fabrics, energy fluxes between buildings and their surroundings, outdoor microclimate conditions and building energy demands in urban areas. This book fills this gap by first discussing the physical processes that govern heat and mass transfer at an urban scale, while emphasizing the role played by different spatial arrangements, manmade materials and green infrastructures on the outdoor microclimate. The first chapters also address the implications of these factors on the outdoor comfort conditions experienced by pedestrians, and on the buildings? energy demand for space heating and cooling.Then, based upon cutting-edge experimental activities and simulation work, this book demonstrates current and forthcoming adaptation and mitigation strategies to improve the urban microclimate and its impact on the built environment, such as cool materials, thermochromic and retroreflective finishing materials, and green infrastructures applied either at a building scale or at the urban scale. The effect of these solutions is demonstrated for different cities worldwide under a range of climate conditions. Finally, the book opens a wider perspective by introducing the basic elements that allow fuel poverty, raw materials consumption, and the principles of circular economy in the definition of a resilient urban settlement.Fil: Alchapar, Noelia Liliana. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto de Ambiente, Hábitat y Energía; ArgentinaFil: Colli, María Florencia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto de Ambiente, Hábitat y Energía; ArgentinaFil: Correa Cantaloube, Erica Norma. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto de Ambiente, Hábitat y Energía; Argentin

Evolución temporal de la isla de frescor de un parque urbano en zona árida: caso Parque Central, Mendoza-Argentina

El enverdecimiento urbano es una estrategia eficiente para la mitigación de la isla de calor. Sin embargo, en ciudades de zonas áridas el uso de la vegetación demanda la utilización de un recurso escaso, el agua. En este sentido, es necesario repensar el diseño de las infraestructuras verdes a fin de garantizar su sustentabilidad en términos de costos y beneficios. El objetivo de este trabajo es examinar el efecto del Parque Central de la Ciudad de Mendoza en su comportamiento térmico y en la magnitud de la isla de frescor que genera sobre su entorno construido en el período 2007-2017. El Parque Central (32°52´37.08"S y 68°50´28.03"O) se ubica en un área residencial de media a alta densidad constructiva y posee valor estratégico para el desarrollo urbano de ese sector. Las especies incorporadas inicialmente (año 2006) no se adaptaron a las condiciones ambientales del sitio y en la actualidad se han consolidado únicamente las más tolerantes a condiciones de restricción hídrica y sequía. Metodológicamente, se llevaron a cabo cuatro campañas de monitoreo durante los veranos 2007-2008; 2010-2011; 2011-2012 y 2016-2017. En cada campaña se instalaron sensores con canales registradores de temperatura y humedad relativa cada 15 minutos. Los resultados indican que durante el verano 2016-2017 la estructura de bosque se encuentra hasta 37% más fresca que en la temporada 2007-2008. Mientras que el prado se encuentra hasta 62% más fresco en la temporada 2016-2017 respecto del verano 2007-2008. Esto significa que tanto prado como bosque evidencian isla de frescor nocturna respecto de los alrededores. Sin embargo, la evolución del parque y la consolidación de sus masas boscosas le han permitido a la estructura de prado comportarse con mayor eficiencia.Urban greening is an efficient strategy for mitigating the urban heat island. However, in arid zones cities theuse of vegetation demands the use of a scarce resource, the water. In this sense, it is necessary to rethink thegreen infrastructures design in order to guarantee their sustainability in terms of costs and benefits. Theobjective of this work is to examine the effect of the Central Park in Mendoza City, on its thermal behaviorand the magnitude of the cool island that it generates on its built environment, in the 2007-2017 period. TheCentral Park (32 ° 52'37.08 "S and 68 ° 50'28.03" W) is located in a residential area of medium to highconstruction density and has a strategic value for the urban development of that sector. The tree-speciesincorporated initially (year 2006), were not adapted to the site environmental conditions and at present onlythe most tolerant to water restriction and drought have been consolidated. Methodologically, four monitoringcampaigns were carried out during the 2007-2008 summers; 2010-2011; 2011-2012 and 2016-2017. In eachcampaign, sensors were installed with temperature and relative humidity recording channels every 15minutes. The results indicate that during the 2016-2017 summer the forest structure is up to 37% cooler thanin the 2007-2008 season. While the meadow is up to 62% cooler in the 2016-2017 season compared to the2007-2008 summer. This means that both meadow and forest evidence nocturnal freshness island withrespect to the surroundings. However, the park evolution and the consolidation of its forest masses haveallowed the meadow structure to behave with greater efficiency.Fil: Ruiz, María Angélica. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto de Ambiente, Hábitat y Energía; ArgentinaFil: Correa, Erica N.. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto de Ambiente, Hábitat y Energía; ArgentinaFil: Martinez, Claudia Fernanda. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto de Ambiente, Hábitat y Energía; ArgentinaFil: Colli, María Florencia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto de Ambiente, Hábitat y Energía; ArgentinaV Encontro Nacional de Conforto no Ambiente Construído; XI Encontro Latino-Americano de Conforto no Ambiente ConstruídoJoão PessoaBrasilAssociação Nacional do Ambiente ConstruídoUniversidade Federal da ParaíbaInstituto de Educação Superior da ParaíbaSciente

Control of an outbreak of post-transplant cutaneous mucormycosis by removing the vehicle: An intervention study of contiguous cohorts

Background: An outbreak of post-kidney transplant cutaneous mucormycosis (PK-CM), a severe and even fatal complication in immunocompromised patients, occurred in our institution. The objective of this study was to compare the usual fixation of sterile wound dressings with non-sterile elastic bandages and fixation with sterile bandages processed at our centralized sterile services department with regard to PK-CM prevention. Methods: We conducted a before-and-after trial in a private tertiary care hospital. The pre-intervention cohort (n = 16) included all patients who had undergone kidney transplant (KT) during the outbreak (June 2010-April 2011), and the post-intervention cohort (n = 49) included all patients who had undergone KT between May 2011 and October 2013. From May 2011, only bandages sterilized by the centralized sterile services department were used to fix wound dressings of KT patients. Results: Differences in age (50.2 years vs 51.3 years), sex (43.8% male vs 59.2% female), weight (63.3 kg vs 69.7 kg), hemodialysis vintage (55.6 months vs 47.8 months), and other risk factors were not observed between the pre- and post-intervention cohorts, respectively. PK-CM incidence dropped from 25% in the pre-intervention cohort (4/16) to 0% in the post-intervention cohort (0/49). Relative risk was 0 (P =.003). Conclusions: With regard to KT patients and sterile wound dressing fixation with non-sterile bandages versus the use of autoclaved bandages, fixation with autoclaved bandages proved to be effective for cutaneous mucormycosis outbreak control and prevention in our institution.Fil: Chaves, Marcelo S.. Sanatorio la Entrerriana; ArgentinaFil: Leonardelli, Florencia. Universidad Nacional del Litoral; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe; ArgentinaFil: Franco, Diego M.. Sanatorio la Entrerriana; ArgentinaFil: Ríos, Pablo G.. Sanatorio la Entrerriana; ArgentinaFil: Colli, Gustavo M.. Sanatorio la Entrerriana; ArgentinaFil: Gutiérrez, Alicia R.. Sanatorio la Entrerriana; ArgentinaFil: Ferri, Melina. Sanatorio la Entrerriana; ArgentinaFil: Elgadban, María C.. Sanatorio la Entrerriana; ArgentinaFil: Basaldúa, María L.. Sanatorio la Entrerriana; ArgentinaFil: Boleas, Mariana. Sanatorio la Entrerriana; ArgentinaFil: Feltes Silva, Patricia. Sanatorio la Entrerriana; ArgentinaFil: Bantar, Carlos. Sanatorio la Entrerriana; ArgentinaFil: Gamarra, Soledad. Universidad Nacional del Litoral; ArgentinaFil: García Effrón, Guillermo. Universidad Nacional del Litoral; Argentin

Evolutionary history of Neotropical savannas geographically concentrates species, phylogenetic and functional diversity of lizards

Aim: Understanding where and why species diversity is geographically concentrated remains a challenge in biogeography and macroevolution. This is true for the Cerrado, the most biodiverse tropical savanna in the world, which has experienced profound biodiversity loss. Previous studies have focused on a single metric (species composition), neglecting the fact that ‘species’ within the biome are often composed of cryptic species. In order to identify biodiversity hotspots more robustly and across multiple dimensions we integrate functional, spatial and new phylogeographic data for the Cerrado lizard fauna by (a) mapping the spatial patterns of species and phylogenetic diversity; and (b) using endemism measures to identify areas of unique diversity. We then quantify the extent to which existing protected areas represent the diversity. Location: Brazilian savanna (Cerrado). Methods: We generated species distribution models using distribution records for all Cerrado lizard species. These, combined with mitochondrial DNA phylogenies and natural history data, allowed us to map species richness, phylogenetic and functional diversity and phylogenetic and weighted endemism. Phylogenetic endemism maps were then cross-referenced against protected areas to calculate the amount of evolutionary history preserved within these areas. Results: The central region of the Cerrado, a vast and climatically stable plateau, stands out as important under all biodiversity metrics. Including evolutionary relationships in biodiversity assessment, we detected four regional hotspots with high concentration of spatially restricted evolutionary diversity. Protected areas cover only 10% of the Cerrado area and hold 11.64% of the summed phylogenetic endemism of all lizards in the biome. Main Conclusions: We highlighted both stable (Chapada dos Veadeiros and Serra do Espinhaço plateaus) and environmentally heterogenous regions (Araguaia and Tocantins valleys) as hotspots of evolutionary diversity. The creation and/or manipulation of areas for conservation are essential for the conservation and survival of the rich and endemic lizard fauna of the Cerrado. © 2020 John Wiley & Sons Lt

Brazilian Flora 2020: Leveraging the power of a collaborative scientific network

International audienceThe shortage of reliable primary taxonomic data limits the description of biological taxa and the understanding of biodiversity patterns and processes, complicating biogeographical, ecological, and evolutionary studies. This deficit creates a significant taxonomic impediment to biodiversity research and conservation planning. The taxonomic impediment and the biodiversity crisis are widely recognized, highlighting the urgent need for reliable taxonomic data. Over the past decade, numerous countries worldwide have devoted considerable effort to Target 1 of the Global Strategy for Plant Conservation (GSPC), which called for the preparation of a working list of all known plant species by 2010 and an online world Flora by 2020. Brazil is a megadiverse country, home to more of the world's known plant species than any other country. Despite that, Flora Brasiliensis, concluded in 1906, was the last comprehensive treatment of the Brazilian flora. The lack of accurate estimates of the number of species of algae, fungi, and plants occurring in Brazil contributes to the prevailing taxonomic impediment and delays progress towards the GSPC targets. Over the past 12 years, a legion of taxonomists motivated to meet Target 1 of the GSPC, worked together to gather and integrate knowledge on the algal, plant, and fungal diversity of Brazil. Overall, a team of about 980 taxonomists joined efforts in a highly collaborative project that used cybertaxonomy to prepare an updated Flora of Brazil, showing the power of scientific collaboration to reach ambitious goals. This paper presents an overview of the Brazilian Flora 2020 and provides taxonomic and spatial updates on the algae, fungi, and plants found in one of the world's most biodiverse countries. We further identify collection gaps and summarize future goals that extend beyond 2020. Our results show that Brazil is home to 46,975 native species of algae, fungi, and plants, of which 19,669 are endemic to the country. The data compiled to date suggests that the Atlantic Rainforest might be the most diverse Brazilian domain for all plant groups except gymnosperms, which are most diverse in the Amazon. However, scientific knowledge of Brazilian diversity is still unequally distributed, with the Atlantic Rainforest and the Cerrado being the most intensively sampled and studied biomes in the country. In times of “scientific reductionism”, with botanical and mycological sciences suffering pervasive depreciation in recent decades, the first online Flora of Brazil 2020 significantly enhanced the quality and quantity of taxonomic data available for algae, fungi, and plants from Brazil. This project also made all the information freely available online, providing a firm foundation for future research and for the management, conservation, and sustainable use of the Brazilian funga and flora