Glyphosate effects on seed bank and vegetation composition of temperate grasslands (Registro nro. 46995)
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| 000 -CABECERA | |
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| campo de control de longitud fija | 08694nab a2200889 a 4500 |
| 001 - NÚMERO DE CONTROL | |
| campo de control | AR-BaUFA000561 |
| 003 - IDENTIFICADOR DEL NÚMERO DE CONTROL | |
| campo de control | AR-BaUFA |
| 005 - FECHA Y HORA DE LA ÚLTIMA TRANSACCIÓN | |
| campo de control | 20190619090750.0 |
| 008 - DATOS DE LONGITUD FIJA--INFORMACIÓN GENERAL | |
| campo de control de longitud fija | 181208t2013 |||||o|||||00||||eng d |
| 022 ## - NÚMERO INTERNACIONAL NORMALIZADO PARA PUBLICACIONES SERIADAS | |
| Número Internacional Normalizado para Publicaciones Seriadas | 1402-2001 |
| 024 ## - IDENTIFICADOR DE OTROS ESTÁNDARES | |
| Número estándar o código | 10.1111/j.1654-109X.2012.01213.x |
| 040 ## - FUENTE DE LA CATALOGACIÓN | |
| Centro catalogador/agencia de origen | AR-BaUFA |
| 100 1# - ENTRADA PRINCIPAL--NOMBRE DE PERSONA | |
| Nombre de persona | Rodríguez, A. M. |
| 245 00 - MENCIÓN DE TÍTULO | |
| Título | Glyphosate effects on seed bank and vegetation composition of temperate grasslands |
| 520 ## - SUMARIO, ETC. | |
| Sumario, etc. | Questions: Intensification of livestock production has led to the increasing input of agrochemicals, mostly herbicides, in natural and semi-natural grasslands. Glyphosate application shifts vegetation composition of grasslands of the Flooding Pampa region. Consequently, we asked two questions: [1] does the application of glyphosate affect the size, composition and diversity of the seed bank of these grasslands; and [2] to what extent does seed bank determine the vegetation composition of grassland communities affected by glyphosate application? Location: Temperate-humid grassland of Flooding Pampa region, Buenos Aires, Argentina. Method: We studied paddocks dominated by native grassland on a commercial livestock farm. Glyphosate is usually applied in late summer to promote winter annual grasses in native grasslands. We chose three paddocks that had never been exposed to any herbicide and three paddocks that had been treated with glyphosate in late summer during the previous 5 years. We extracted soil cores to evaluate seed bank composition from 2007 to 2009 and recorded basal cover of above-ground vegetation from 2008 to 2010 from the upper and the lower position of each paddock. Results: Glyphosate treatment caused a dramatic shift in seed bank composition, so that seed densities of cool-season annual grasses increased while cool and warm-season perennial grasses, sedges, legumes and dicotyledonous herbs decreased. Richness and diversity of the seed bank were lower and dominance was higher under the glyphosate treatment. Similarity between the seed bank and floristic composition was higher in glyphosate-treated paddocks in the upper position. Strong correspondences between the seed densities of cool-season annual grasses and species composition of glyphosate-treated paddocks and between the seed densities of cool- and warm-season perennial grasses and legumes with the species composition of untreated paddocks were found. Conclusions: Because the seed bank changes in response to glyphosate treatment involved the local extinction of several native perennial species, community restoration of these grasslands would depend mainly on propagule dispersal from adjacent areas. Our results raise awareness of the risks of widespread herbicide application for biodiversity conservation in the last semi-natural habitats in the Pampas grasslands. Intensification of livestock production has led to the increasing input of herbicides. Glyphosate application in Flooding Pampa grasslands [Argentina] caused a dramatic shift in seed bank composition, increasing the seed densities of cool season annual grasses, decreasing all other functional groups and reducing richness and diversity. Our results raise awareness about the risks of widespread herbicide application for biodiversity conservation. |
| 653 #0 - TÉRMINO DE INDIZACIÓN--NO CONTROLADO | |
| Término no controlado | CONSERVATION |
| 653 #0 - TÉRMINO DE INDIZACIÓN--NO CONTROLADO | |
| Término no controlado | DISTURBANCE |
| 653 #0 - TÉRMINO DE INDIZACIÓN--NO CONTROLADO | |
| Término no controlado | DIVERSITY |
| 653 #0 - TÉRMINO DE INDIZACIÓN--NO CONTROLADO | |
| Término no controlado | FLOODING PAMPA GRASSLAND |
| 653 #0 - TÉRMINO DE INDIZACIÓN--NO CONTROLADO | |
| Término no controlado | FLORISTIC COMPOSITION |
| 653 #0 - TÉRMINO DE INDIZACIÓN--NO CONTROLADO | |
| Término no controlado | HERBICIDE |
| 653 #0 - TÉRMINO DE INDIZACIÓN--NO CONTROLADO | |
| Término no controlado | CAREX |
| 653 #0 - TÉRMINO DE INDIZACIÓN--NO CONTROLADO | |
| Término no controlado | POACEAE |
| 700 1# - PUNTO DE ACCESO ADICIONAL--NOMBRE DE PERSONA | |
| Nombre de persona | Jacobo, E. J. |
| 773 ## - ENLACE AL DOCUMENTO FUENTE/ENTRADA DE REGISTRO ANFITRIÓN | |
| Título | Applied Vegetation Science |
| Parte(s) relacionada(s) | Vol. 16, no. 1 (2013) 51-62 |
| 856 ## - LOCALIZACIÓN Y ACCESO ELECTRÓNICOS | |
| Identificador Uniforme del Recurso | http://ri.agro.uba.ar/files/intranet/articulo/2013rodriguez.pdf |
| Instrucción | En reservorio |
| Tipo de formato electrónico | application/pdf |
| Nombre electrónico | 2013rodriguez |
| 856 ## - LOCALIZACIÓN Y ACCESO ELECTRÓNICOS | |
| Identificador Uniforme del Recurso | http://www.wiley.com/WileyCDA/ |
| Nota pública | LINK AL EDITOR. |
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| Tipo de ítem Koha | Recurso electrónico |
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