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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 : |
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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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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| 2. |  | MENDOZA, Y.; DÍAZ-CETTI, S.; RAMALLO, G.; INVERNIZZI, C. Incidencia de Nosema ceranae durante el invierno en colonias de abejas melíferas retiradas de una forestación de Eucalyptus grandis. Actualidad Apícola, n. 96, mayo 2013, p. 34-40, 2013. Publicado antes en: Veterinaria (Montevideo), v. 48, n. 188, p. 13-19, 2012.| Tipo: Artículos en Revistas Agropecuarias |
| Biblioteca(s): INIA La Estanzuela. |
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| 3. | | BRANCHICCELA, B.; DIAZ CETTI, S.; RAMALLO, G.; MENDOZA, Y. Oxalic acid in cellulose strips: towards an efficient and sustainable approach for the control of Varroa destructor. Apidologie, February 2025, Volume 56, Issue 1, article 21. https://doi.org/10.1007/s13592-025-01149-0 Article history: Received 29 April 2024, Revised 20 December 2024, Accepted 16 January 2025. -- Correspondence: Branchiccela, B.; Sección Apicultura, Instituto Nacional de Investigación Agropecuaria (INIA), Ruta 50, Km 11, Colonia,...| Tipo: Artículos en Revistas Indexadas Internacionales | Circulación / Nivel : Internacional - -- |
| Biblioteca(s): INIA Las Brujas. |
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| 4. | | CARRASCO-LETELIER, L.; MENDOZA, Y.; RAMALLO, G.; DÍAZ-CETTI, S. Pesticides used in agriculture and beekeeping production at [sic] Uruguay. ln: CONGRESO BINACIONAL APÍCOLA, 1., 2013, Sant'Ana do Livramento, BR; Rivera, UY. [Presentaciones orales], 2013.| Tipo: Presentaciones Orales |
| Biblioteca(s): INIA La Estanzuela. |
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| 5. | | MENDOZA, Y.; HARRIET, J.; CAMPÁ, J.; KATZ, H.; RAMALLO, G.; DIAZ-CETTI, S.; INVERNIZZI, C. Control de Nosema ceranae en colonias de abejas (Apis mellifera) en forestaciones de Eucalyptus grandis. Agrociencia Uruguay, 2013, v. 17, n. 1, p. 108-113.| Tipo: Artículos en Revistas Indexadas Nacionales | Circulación / Nivel : B - 2 |
| Biblioteca(s): INIA La Estanzuela. |
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| 7. | | PÉREZ, N.; NIELL, S.; JESÚS, F.; PÉREZ, C.; CARRASCO-LETELIER, L.; MENDOZA, Y.; DÍAZ-CETTI, S. Caracterización acústica de la colmena para la detección temprana de contaminación por agroquímicos: nota técnica. Cangüé, 2. época, n. 35, p. 2-6, 2014.| Tipo: Artículos en Revistas Agropecuarias |
| Biblioteca(s): INIA La Estanzuela. |
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| 11. | | Santos, E.Umpiérrez, M.González, A.Mendoza, Y.Ramallo, G.Díaz Cetti, S.C.Rossini, C. Testeo de potenciales pesticidas botánicos contra Varroa destructor, ectoparásito de Apis Mellifera La Estanzuela, Colonia (Uruguay): INIA, 2009. p. 11-15 (INIA Serie Actividades de Difusión ; 568) INIA La Estanzuela| Biblioteca(s): INIA Las Brujas; INIA Tacuarembó. |
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| 13. | | NIELL, S.; ABBATE, S.; CESIO, V.; DÍAZ, R.; DIAZ-CETTI, S.; CHAMBÓN, C.; CARRASCO-LETELIER, L.; MENDOZA, Y.; HEINZEN, H. Estudio de la colmena como biomonitor de la calidad ambiental del agroecosistema de la soja en el Uruguay. In: ENCUENTRO DE INVESTIGADORES DEL NORTE, 3., 2012, Salto UY. [Posters]. Salto: UdelaR. Regional Norte, 2012.| Biblioteca(s): INIA La Estanzuela. |
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| 14. | | Nielli, S.; Cesio, V.; Díaz, R.; Díaz-Cetti, S.; Chambón, C.; Carrasco-Letelier, L.; Mendoza, Y.; Heinzen, H.; Rauduviniche, L.; Ramallo, G. colmena como monitor de calidad ambiental en Uruguay ln: "Uruguay. Instituto Nacional de Investigación Agropecuaria (INIA). Estación Experimental La Estanzuela ""Alberto Boerger""". Avances sobre el manejo de la colmena. La Estanzuela: INIA, 2012. p. 9 Serie Actividades de Difusión ; 683 : Documentos Online ; 192 También disponible en versión electrónica| Biblioteca(s): INIA Las Brujas. |
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| 15. | | BRANCHICCELA, B.; CASTELLI, L.; CORONA , M.; DIAZ-CETTI, S.; INVERNIZZI, C.; MARTÍNEZ DE LA ESCALERA, G; MENDOZA, Y.; SANTOS, E.; SILVA, C.; ZUNINO, P.; ANTÚNEZ, K. Impact of nutritional stress on the honeybee colony health. Scientific Reports, November 2019, volume 9, issue 1. OPEN ACCESS Article history: Received 28 January 2019/Accepted 20 June 2019/Published 12 July 2019.| Tipo: Artículos en Revistas Indexadas Internacionales | Circulación / Nivel : Internacional - -- |
| Biblioteca(s): INIA La Estanzuela. |
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| Registros recuperados : 15 | |
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