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| Registros recuperados : 23 | |
| 10. |  | Silva, J.A.; Godiño, M. Introducción ln: Jornada de rendimiento y calidad de trigo, 2., [2000], Mercedes, Uruguay [s.l.]: INIA, 2000. [s.p.] Mesa Nacional de Trigo, Uruguay| Biblioteca(s): INIA La Estanzuela. |
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| 12. | | Ernst, O.; Bentancur, O.; Delucchi, I.; Suburu, G.; Godiño, M. Resultados en rendimiento y calidad : relevamiento de trigo zafra 1999/2000 ln: Jornada de rendimiento y calidad de trigo, 2., [2000], Mercedes, Uruguay [s.l.]: INIA, 2000. p. 1-19 Mesa Nacional de Trigo, Uruguay| Biblioteca(s): INIA La Estanzuela. |
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| 13. | | RUSSO, M.; ELICHALT, M.; URRUZOLA, N.; MEDRANO, A.; CADENAZZI, M.; GODIÑO, M.; BATTHYANY, C.; MALACRIDA, L. Caracterización nutricional y en compuestos bioactivos de trigo nacional. Montevideo (UY): INIA, 2021. 38 p. (Serie FPTA-INIA; 92). Proyecto FPTA 323: "Caracterización nutricional y en compuestos bioactivos de trigo en Uruguay. Variabilidad de genotipos y ambientes". Período de ejecución: Junio 2014 -Setiembre 2017. Institución Ejecutora: Universidad de la República,...| Biblioteca(s): INIA Las Brujas. |
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| 14. | | RUSSO, M.; ELICHALI, M.; VÁZQUEZ, D.; SUBURÚ, G.; TIHISTA, H.; GODIÑO, M. Fortification of wheat flour with folic acid and iron in Uruguay; implications for nutrition. [Fortificación de harina de trigo con ácido fólico y hierro en Uruguay; implicancias en la nutrición]. Revista Chilena de Nutrición, 2014, v.41, no.4, p. 399-403. OPEN ACCESS. Este trabajo fue recibido el 19 de Marzo de 2014 y aceptado para ser publicado el 16 de septiembre de 2014| Biblioteca(s): INIA La Estanzuela; INIA Las Brujas. |
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| 15. | | ELICHALT, M.; RUSSO, M.; VÁZQUEZ, D.; SUBURÚ, G.; TIHISTA, H.; GODIÑO, M. Lípidos, sodio y fibra dietética en harina de trigo y pan artesanal en Uruguay: aporte nutricional según recomendaciones para distintos grupos de población. [Lipids, sodium and dietary fiber in wheat flour and artisan bread in Uruguay: nutritional intake according to the recommendations for different population groups.] Revista Chilena de Nutrición, 44(1), p. 71-78., 2017. Este trabajo fue recibido el 25 de Mayo de 2016 y aceptado para ser publicado el 16 de Diciembre de 2016.| Biblioteca(s): INIA Las Brujas. |
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| 16. | | ELICHALT, M.; RUSSO, M.; VÁZQUEZ, D.; SUBURÚ, G.; TIHISTA, H.; GODIÑO, M. Lípidos, sodio y fibra en panes artesanales en el Uruguay : implicancias en la nutrición. In: CONGRESO LATINOAMERICANO DE NUTRICIONISTAS Y DIETISTAS (16., Montevideo,2015); CONGRESO IBEROAMERICANO DE NUTRICIÓN (6., Montevideo.2015). Poster.| Biblioteca(s): INIA La Estanzuela. |
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| 17. | | ERNST, O.; NIN, M.; CADENAZZI, M.; BENTANCUR, O.; GODIÑO, M.; SUBURU, G.; VÁZQUEZ, D. Manejo para rendimiento y calidad industrial de trigo : resultado final del relevamiento de chacras por variedades, de tres años sucesivos. ln: JORNADA DE RENDIMIENTO Y CALIDAD DE TRIGO, 4., 2002. Mercedes, Soriano, Uruguay [s.l.]: [s.n.], 2002. p. 1-23. Mesa de Nacional de Trigo, Uruguay.| Biblioteca(s): INIA La Estanzuela. |
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| 19. | | RUSSO, M.; ELICHALT, M.; VÁZQUEZ, D.; SUBURÚ, G.; SUBURÚ, G.; GILARDI, V.; ALMANDOS, V.; TIHISTA, H.; GODIÑO, M. Composición nutricional de productos elaborados en base a trigo en Uruguay. [Poster]. In: German, S.; Quincke, M.; Vázquez, D.; Castro, M.; Pereyra, S.; Silva, P.; García, A. (Eds.). Seminario Internacional "1914-2014: Un siglo de mejoramiento de trigo en La Estanzuela". Montevideo (UY): INIA, 2018. p. 259. (INIA Serie Técnica; 241).| Biblioteca(s): INIA La Estanzuela. |
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| 20. | | RUSSO, M.; ELICHALT, M.; VÁZQUEZ, D.; SUBURÚ, G.; GIOSCIA, G.; GILARDI, V.; ALMANDOS, V.; TIHISTA, H.; GODIÑO, M. Composición nutricional de productos elaborados en base a trigo en Uruguay. In: SEMINARIO INTERNACIONAL DE TRIGO, 2014, La Estanzuela, Colonia, UY. GERMÁN, S., et al. (Org.). 1914-2014, un siglo de mejoramiento de trigo en La Estanzuela: un valioso legado para el futuro: posters; resúmenes. La Estanzuela, Colonia, UY: INIA, 2014. p. 75.| Biblioteca(s): INIA La Estanzuela. |
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| Registros recuperados : 23 | |
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 | Acceso al texto completo restringido a Biblioteca INIA Treinta y Tres. Por información adicional contacte bibliott@inia.org.uy. |
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Registro completo
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Biblioteca (s) : |
INIA Treinta y Tres. |
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Fecha actual : |
18/04/2022 |
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Actualizado : |
18/04/2022 |
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Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
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Circulación / Nivel : |
Internacional - -- |
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Autor : |
LEZAMA, F.; PARUELO, J. |
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Afiliación : |
FELIPE LEZAMA, Department of Environmental Systems, Faculty of Agronomy, University of República, Montevideo, Uruguay.; JOSÉ PARUELO, Institute of Ecology and Environmental Sciences, Faculty of Sciences, UDELAR, UY. Department of Quantitative Methods and Information Systems, FAGRO, UY. INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay. |
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Título : |
Regional assessment of stocking rate effects on uruguayan rangelands: a ranch-level study. |
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Fecha de publicación : |
2022 |
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Fuente / Imprenta : |
Rangeland Ecology & Management, 2022, volume 82, pages 58-65. Doi: https://doi.org/10.1016/j.rama.2022.02.005 |
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DOI : |
10.1016/j.rama.2022.02.005 |
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Idioma : |
Inglés |
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Notas : |
Article history: Received 27 April 2021 // Revised 9 February 2022 // Accepted 16 February 2022. |
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Contenido : |
We analyzed the variation of plant composition, forage production, and livestock diet across a broad stocking rate gradient on Eastern Hills rangelands of Uruguay. Our approach encompassed five ranches subjected to mixed sheep-cattle grazing and combined field surveys, microhistological fecal analysis, and remote sensing techniques. We hypothesized that selectivity would decrease as stocking rate increased. Vegetation data and fecal samples were obtained in 17 paddocks in 2008. To investigate the role of stocking rate on vegetation, we focused on dominant species and forage type cover. Diet composition was analyzed at forage type level. Annual net primary productivity was estimated for each paddock using the normalized difference vegetation index derived from the MODIS (Moderate Resolution Imaging Spectroradiometer) sensor. We found a clear relationship between the variation in stocking rate and floristic and forage type composition, both suggesting a deterioration of grassland conservation status. Cool season grass cover varied from 25% to 5%, from low to high stocking rates. Dicot cover showed an opposite trend, with values around 15% in the low and moderate stocking levels and reaching 35% on high-stocked paddocks. Diet composition and diet overlap between herbivores also showed clear patterns of response to stocking rate. On the other hand, livestock selectivity interacted with herbivore type. While cattle showed the expected pattern, sheep did not decrease selectivity in winter as stocking rate increased. Contrary to expectations, annual net primary productivity was similar across the different stocking rate levels and the month of maximum productivity was generally March. Our study provides strong evidence of marked rangeland degradation; however, the lack of response in terms of ANPP and the ability of sheep to maintain selectivity under high stocking rates could help to explain the lack of responsiveness in the adoption of generalized stocking adjustments by the ranchers. MenosWe analyzed the variation of plant composition, forage production, and livestock diet across a broad stocking rate gradient on Eastern Hills rangelands of Uruguay. Our approach encompassed five ranches subjected to mixed sheep-cattle grazing and combined field surveys, microhistological fecal analysis, and remote sensing techniques. We hypothesized that selectivity would decrease as stocking rate increased. Vegetation data and fecal samples were obtained in 17 paddocks in 2008. To investigate the role of stocking rate on vegetation, we focused on dominant species and forage type cover. Diet composition was analyzed at forage type level. Annual net primary productivity was estimated for each paddock using the normalized difference vegetation index derived from the MODIS (Moderate Resolution Imaging Spectroradiometer) sensor. We found a clear relationship between the variation in stocking rate and floristic and forage type composition, both suggesting a deterioration of grassland conservation status. Cool season grass cover varied from 25% to 5%, from low to high stocking rates. Dicot cover showed an opposite trend, with values around 15% in the low and moderate stocking levels and reaching 35% on high-stocked paddocks. Diet composition and diet overlap between herbivores also showed clear patterns of response to stocking rate. On the other hand, livestock selectivity interacted with herbivore type. While cattle showed the expected pattern, sheep did not decrease selectivity i... Presentar Todo |
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Palabras claves : |
(NDVI); EASTERN HILLS; FORAGE TYPES; LIVESTOCK DIET; MICROHISTOLOGICAL TECHNIQUE; NORMALIZED DIFFERENCE VEGETATION INDEX; PLANT COMPOSITION. |
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Asunto categoría : |
F40 Ecología vegetal |
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Marc : |
LEADER 02892naa a2200241 a 4500
001 1063033
005 2022-04-18
008 2022 bl uuuu u00u1 u #d
024 7 $a10.1016/j.rama.2022.02.005$2DOI
100 1 $aLEZAMA, F.
245 $aRegional assessment of stocking rate effects on uruguayan rangelands$ba ranch-level study.$h[electronic resource]
260 $c2022
500 $aArticle history: Received 27 April 2021 // Revised 9 February 2022 // Accepted 16 February 2022.
520 $aWe analyzed the variation of plant composition, forage production, and livestock diet across a broad stocking rate gradient on Eastern Hills rangelands of Uruguay. Our approach encompassed five ranches subjected to mixed sheep-cattle grazing and combined field surveys, microhistological fecal analysis, and remote sensing techniques. We hypothesized that selectivity would decrease as stocking rate increased. Vegetation data and fecal samples were obtained in 17 paddocks in 2008. To investigate the role of stocking rate on vegetation, we focused on dominant species and forage type cover. Diet composition was analyzed at forage type level. Annual net primary productivity was estimated for each paddock using the normalized difference vegetation index derived from the MODIS (Moderate Resolution Imaging Spectroradiometer) sensor. We found a clear relationship between the variation in stocking rate and floristic and forage type composition, both suggesting a deterioration of grassland conservation status. Cool season grass cover varied from 25% to 5%, from low to high stocking rates. Dicot cover showed an opposite trend, with values around 15% in the low and moderate stocking levels and reaching 35% on high-stocked paddocks. Diet composition and diet overlap between herbivores also showed clear patterns of response to stocking rate. On the other hand, livestock selectivity interacted with herbivore type. While cattle showed the expected pattern, sheep did not decrease selectivity in winter as stocking rate increased. Contrary to expectations, annual net primary productivity was similar across the different stocking rate levels and the month of maximum productivity was generally March. Our study provides strong evidence of marked rangeland degradation; however, the lack of response in terms of ANPP and the ability of sheep to maintain selectivity under high stocking rates could help to explain the lack of responsiveness in the adoption of generalized stocking adjustments by the ranchers.
653 $a(NDVI)
653 $aEASTERN HILLS
653 $aFORAGE TYPES
653 $aLIVESTOCK DIET
653 $aMICROHISTOLOGICAL TECHNIQUE
653 $aNORMALIZED DIFFERENCE VEGETATION INDEX
653 $aPLANT COMPOSITION
700 1 $aPARUELO, J.
773 $tRangeland Ecology & Management, 2022, volume 82, pages 58-65. Doi: https://doi.org/10.1016/j.rama.2022.02.005
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