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Facultad de Agronomía, Universidad de la República. 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(2019) Grasslands of Uruguay: classification based on vegetation plots. Phytocoenologia. 49(3): 211–229. https://doi.org/10.1127/phyto/2019/0215","identifier":"https://doi.org/10.1127/phyto/2019/0215","citationProvidedBySource":false},{"text":"Marchesi, E., Mailhos, A., & Bonifacino, J. M. (Eds.) 2026. Flora Uruguaya: Flora Vascular del Uruguay. ISSN 3121-2050, V1.3. [Data set]. Zenodo. https://doi.org/10.5281/zenodo.20547117","identifier":"Zenodo. https://doi.org/10.5281/zenodo.20547117","citationProvidedBySource":false},{"text":"Ellenberg, D. & Mueller-Dombois, D. (1974) Aims and Methods of Vegetation Ecology. Wiley, New York.","citationProvidedBySource":false},{"text":"Dengler, J.; Chytrý, M. & Ewald, J. (2008) Phytosociology. In: Jorgensen, S.E. & Fath, B.D. (Eds.). Encyclopedia of Ecology. pp. 2767–2779. 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proyecto se desarrolló entre 01/2001 - 12/2001. Los relevamientos se concentraron en los departamentos de Paysandú y Tacuarembó.","relatedProjects":[{"title":"Descripción de la heterogeneidad florística y seguimiento de la productividad primaria y secundaria del campo natural","identifier":"INIA FPTA 175","contacts":[{"type":"AUTHOR","primary":false,"userId":[],"firstName":"Felipe","lastName":"Lezama","position":[],"email":[],"phone":[],"homepage":[],"address":[]},{"type":"PRINCIPAL_INVESTIGATOR","primary":false,"userId":[],"firstName":"Alice","lastName":"Altesor","position":[],"email":[],"phone":[],"homepage":[],"address":[]},{"type":"PRINCIPAL_INVESTIGATOR","primary":false,"userId":[],"firstName":"José","lastName":"Paruelo","position":[],"email":[],"phone":[],"homepage":[],"address":[]},{"type":"AUTHOR","primary":false,"userId":[],"firstName":"Walter","lastName":"Ayale","position":[],"email":[],"phone":[],"homepage":[],"address":[]}],"abstract":"El proyecto se llevó a cabo entre el 2007 y el 2010. El componente de relevamiento de campo amplió la base generada en el marco de un proyecto CSIC Iniciación previo, que se centró en la región Basáltica, sumando las regiones Centro Sur, Sierras y región sedimentaria del Noreste. \nFinanciación: INIA"}],"abstract":"En este proyecto se realizó una descripción de la heterogeneidad de la vegetación herbácea y su relación con factores ambientales de una importante porción del territorio uruguayo. Se trató del primer estudio en el Uruguay de esta índole, usando un conjunto de observaciones sistemáticas, de amplia cobertura espacial y empleando métodos numéricos para su análisis."},"samplingDescription":{"studyExtent":"El conjunto de datos abarca observaciones de comunidades de campo natural bajo uso pastoril realizadas entre los años 2001 y 2009 en Uruguay.","sampling":"El muestreo de vegetación se orientó según el “método relevé” (Ellenberg & Mueller-Dombois, 1974), que consiste en seleccionar preferencialmente stands de manera de abarcar todo el rango de variación fisionómica percibido en un área determinada. Posteriormente se localizan cuadrados en áreas centrales de los stands seleccionados y se registraron todas las especies presentes en los mismos (usualmente de 25 m2 en sistemas de pastizal). A cada especie se le asigna un valor de cobertura–abundancia siguiendo la escala de Braun-Blanquet (Dengler et al 2008).","qualityControl":"Se chequearon errores en los nombres científicos, localización geográfica, fechas de muestreo y participantes en los eventos de colecta. Se actualizaron los nombres de las especies en caso de sinonimización, se agregaron datos sobre la autoría de los nombres científicos y se incluyó información sobre los rangos taxonómicos reino, familia, género y epíteto específico. Se incluyó el término ‘taxonRank’ con información sobre el nivel de detalle de cada registro de ocurrencia. Se asignó a cada registro el nivel administrativo de Departamento y se incorporaron datos sobre la localidad.","methodSteps":["El conjunto de datos se acondicionó para mejorar la capacidad de búsqueda, accesibilidad y reutilización de los datos recopilados. Para eso, se adecuaron los formatos de las planillas originales. Se enriqueció la base incorporando algunos campos sugeridos por Darwin Core Biodiversity Data Standard (https://dwc.tdwg.org/). Se organizó la tabla de eventos y registros de presencia (ocurrencias) para contemplar el conjunto de bases de datos originadas en el marco de distintos proyectos de investigación. Específicamente, la variable ‘parentEventID’ denota la base de datos asociada a un proyecto o línea de investigación (\"GrRel\" es la abreviación de Grasslands relevés). La variable ‘eventID’ refiere a un punto de muestreo (stand-cuadrante). En su nombre contiene el ‘parentEventID’ y un ID de la estación de muestreo, que aporta información de la región geomorfológica y un número para cada stand dentro de esa región. Las regiones son las siguientes:  BC: Cuesta basáltica, EH: Sierras del Este, NESB: Cuenca Sedimentaria Noreste, CS: Región Centro Sur.\nLa variable ‘occurrenceID’ refiere a las ocurrencias dentro de cada punto de muestreo. Esta variable se construye con la concatenación de ‘institutionCode’, ‘eventID’ y un número consecutivo creciente empezando en 1. Así, el número máximo del ‘occurrenceID’ dentro de cada ‘eventID’ indica la riqueza de especies.","Para cada punto de muestreo (‘eventID’), a partir de la latitud y longitud, se proporciona el departamento (variable ‘stateProvince’) y la localidad o una referencia local similar (‘locationRemarks’). Estas variables se obtuvieron mediante inspección visual de los puntos en el mapa de Uruguay. Las coordenadas geográficas fueron registradas a campo con GPS en las fechas de muestreo.","Para cada punto de muestreo se proporciona la fecha (día, mes, año). Cuando estos datos no se encontraban digitalizados, se obtuvieron de las planillas de campo originales.","Los datos asociados a los eventos de muestreo (ubicación geográfica y fechas) fueron cotejados con las planillas de campo y corregidos cuando se detectaron errores.","Se verificaron errores ortográficos en los nombres científicos mediante la herramienta 'species matching' de GBIF (https://www.gbif.org/tools/species-lookup) y la base de datos Flora Uruguaya Online (FUO, Marchesi, Mailhos y Bonifacino, 2026). Cuando hubo discrepancias en los nombres se retuvo el de FUO.","Se determinaron los rangos taxonómicos superiores (Reino, Familia y Género) y la autoridad taxonómica para los nombres científicos, así como la resolución en la determinación de las plantas (variable ‘taxonRank’) con la herramienta 'species matching' de GBIF (https://www.gbif.org/tools/species-lookup).","Se incluyeron variables que dan cuenta de las regiones geomorfológicas mediante el uso de extensiones de DarwinCore \"measurementType\" y  \"measurementValue\")."]},"countryCoverage":[],"collections":[],"dataDescriptions":[],"dataLanguage":"spa","pubDate":"2026-08-04T00:00:00.000+00:00","maintenanceUpdateFrequency":"AS_NEEDED","maintenanceDescription":"","license":"http://creativecommons.org/licenses/by-nc/4.0/legalcode","dwca":{"coreType":"http://rs.tdwg.org/dwc/terms/Event","extensions":["http://rs.tdwg.org/dwc/terms/MeasurementOrFact","http://rs.tdwg.org/dwc/terms/Occurrence"],"modified":"2026-08-04T22:23:49.181+00:00"},"approximateCounts":{"occurrenceCount":15379}}