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Registro completo
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Biblioteca (s) : |
INIA Las Brujas. |
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Fecha : |
23/11/2016 |
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Actualizado : |
24/06/2021 |
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Autor : |
GUTIÉRREZ-VÉLEZ, V. H.; URIARTE, M.; DEFRIES, R.; PINEDO-VASQUEZ, M.; FERNANDES, K.; CECCATO, P.; BAETHGEN, W.; PADOCH, CH. |
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Afiliación : |
VICTOR H. GUTIÉRREZ-VÉLEZ, Earth Institute Center for Environmental Sustainability (EICES), Columbia University, USA; Center for International Forestry Research (CIFOR), Indonesia; MARÍA URIARTE, Department of Ecology, Evolution and Environmental Biology, Columbia University, USA; RUTH DEFRIES, Department of Ecology, Evolution and Environmental Biology, Columbia University, USA; MIGUEL PINEDO-VASQUEZ, Earth Institute Center for Environmental Sustainability (EICES), Columbia University, USA; KATIA FERNANDES, International Research Institute for Climate and Society, Columbia University, USA; PIETRO CECCATO, International Research Institute for Climate and Society, Columbia University, USA; WALTER BAETHGEN, International Research Institute for Climate and Society, Columbia University, USA; CHRISTINE PADOCH, Center for International Forestry Research (CIFOR), Indonesia. |
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Título : |
Land cover change interacts with drought severity to change fire regimes in Western Amazonia. |
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Fecha de publicación : |
2014 |
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Fuente / Imprenta : |
Ecological Applications, 2014, v. 24, no. 6, p. 1323?1340. |
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DOI : |
10.1890/13-2101.1 |
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Idioma : |
Inglés |
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Notas : |
Publication History: Issue online 1 September 2014 // Version of record online 1 September 2014 // Manuscript Accepted 18 December 2013 // Manuscript Received 12 November 2013 |
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Contenido : |
ABSTRACT.
Fire is becoming a pervasive driver of environmental change in Amazonia and is expected to intensify, given projected reductions in precipitation and forest cover. Understanding of the influence of post-deforestation land cover change on fires in Amazonia is limited, even though fires in cleared lands constitute a threat for ecosystems, agriculture, and human health. We used MODIS satellite data to map burned areas annually between 2001 and 2010. We then combined these maps with land cover and climate information to understand the influence of land cover change in cleared lands and dry-season severity on fire occurrence and spread in a focus area in the Peruvian Amazon. Fire occurrence, quantified as the probability of burning of individual 232-m spatial resolution MODIS pixels, was modeled as a function of the area of land cover types within each pixel, drought severity, and distance to roads. Fire spread, quantified as the number of pixels burned in 3 × 3 pixel windows around each focal burned pixel, was modeled as a function of land cover configuration and area, dry-season severity, and distance to roads. We found that vegetation regrowth and oil palm expansion are significantly correlated with fire occurrence, but that the magnitude and sign of the correlation depend on drought severity, successional stage of regrowing vegetation, and oil palm age. Burning probability increased with the area of nondegraded pastures, fallow, and young oil palm and decreased with larger extents of degraded pastures, secondary forests, and adult oil palm plantations. Drought severity had the strongest influence on fire occurrence, overriding the effectiveness of secondary forests, but not of adult plantations, to reduce fire occurrence in severely dry years. Overall, irregular and scattered land cover patches reduced fire spread but irregular and dispersed fallows and secondary forests increased fire spread during dry years. Results underscore the importance of land cover management for reducing fire proliferation in this landscape. Incentives for promoting natural regeneration and perennial crops in cleared lands might help to reduce fire risk if those areas are protected against burning in early stages of development and during severely dry years.
@ 2014 by the Ecological Society of America MenosABSTRACT.
Fire is becoming a pervasive driver of environmental change in Amazonia and is expected to intensify, given projected reductions in precipitation and forest cover. Understanding of the influence of post-deforestation land cover change on fires in Amazonia is limited, even though fires in cleared lands constitute a threat for ecosystems, agriculture, and human health. We used MODIS satellite data to map burned areas annually between 2001 and 2010. We then combined these maps with land cover and climate information to understand the influence of land cover change in cleared lands and dry-season severity on fire occurrence and spread in a focus area in the Peruvian Amazon. Fire occurrence, quantified as the probability of burning of individual 232-m spatial resolution MODIS pixels, was modeled as a function of the area of land cover types within each pixel, drought severity, and distance to roads. Fire spread, quantified as the number of pixels burned in 3 × 3 pixel windows around each focal burned pixel, was modeled as a function of land cover configuration and area, dry-season severity, and distance to roads. We found that vegetation regrowth and oil palm expansion are significantly correlated with fire occurrence, but that the magnitude and sign of the correlation depend on drought severity, successional stage of regrowing vegetation, and oil palm age. Burning probability increased with the area of nondegraded pastures, fallow, and young oil palm and decreased wit... Presentar Todo |
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Palabras claves : |
AMAZONIA; BAYESIAN STATISTICAL MODELING; CLIMATE CHANGE; MODIS; REMOTE SENSING BY SATELLITE. |
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Thesagro : |
CAMBIO CLIMÁTICO. |
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Asunto categoría : |
-- |
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Marc : |
LEADER 03378naa a2200301 a 4500
001 1056119
005 2021-06-24
008 2014 bl uuuu u00u1 u #d
024 7 $a10.1890/13-2101.1$2DOI
100 1 $aGUTIÉRREZ-VÉLEZ, V. H.
245 $aLand cover change interacts with drought severity to change fire regimes in Western Amazonia.$h[electronic resource]
260 $c2014
500 $aPublication History: Issue online 1 September 2014 // Version of record online 1 September 2014 // Manuscript Accepted 18 December 2013 // Manuscript Received 12 November 2013
520 $aABSTRACT. Fire is becoming a pervasive driver of environmental change in Amazonia and is expected to intensify, given projected reductions in precipitation and forest cover. Understanding of the influence of post-deforestation land cover change on fires in Amazonia is limited, even though fires in cleared lands constitute a threat for ecosystems, agriculture, and human health. We used MODIS satellite data to map burned areas annually between 2001 and 2010. We then combined these maps with land cover and climate information to understand the influence of land cover change in cleared lands and dry-season severity on fire occurrence and spread in a focus area in the Peruvian Amazon. Fire occurrence, quantified as the probability of burning of individual 232-m spatial resolution MODIS pixels, was modeled as a function of the area of land cover types within each pixel, drought severity, and distance to roads. Fire spread, quantified as the number of pixels burned in 3 × 3 pixel windows around each focal burned pixel, was modeled as a function of land cover configuration and area, dry-season severity, and distance to roads. We found that vegetation regrowth and oil palm expansion are significantly correlated with fire occurrence, but that the magnitude and sign of the correlation depend on drought severity, successional stage of regrowing vegetation, and oil palm age. Burning probability increased with the area of nondegraded pastures, fallow, and young oil palm and decreased with larger extents of degraded pastures, secondary forests, and adult oil palm plantations. Drought severity had the strongest influence on fire occurrence, overriding the effectiveness of secondary forests, but not of adult plantations, to reduce fire occurrence in severely dry years. Overall, irregular and scattered land cover patches reduced fire spread but irregular and dispersed fallows and secondary forests increased fire spread during dry years. Results underscore the importance of land cover management for reducing fire proliferation in this landscape. Incentives for promoting natural regeneration and perennial crops in cleared lands might help to reduce fire risk if those areas are protected against burning in early stages of development and during severely dry years. @ 2014 by the Ecological Society of America
650 $aCAMBIO CLIMÁTICO
653 $aAMAZONIA
653 $aBAYESIAN STATISTICAL MODELING
653 $aCLIMATE CHANGE
653 $aMODIS
653 $aREMOTE SENSING BY SATELLITE
700 1 $aURIARTE, M.
700 1 $aDEFRIES, R.
700 1 $aPINEDO-VASQUEZ, M.
700 1 $aFERNANDES, K.
700 1 $aCECCATO, P.
700 1 $aBAETHGEN, W.
700 1 $aPADOCH, CH.
773 $tEcological Applications, 2014$gv. 24, no. 6, p. 1323?1340.
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INIA Las Brujas (LB) |
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 | Acceso al texto completo restringido a Biblioteca INIA Las Brujas. Por información adicional contacte bibliolb@inia.org.uy. |
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Registro completo
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Biblioteca (s) : |
INIA Las Brujas. |
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Fecha actual : |
21/06/2023 |
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Actualizado : |
21/06/2023 |
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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 : |
CARRA, B.; FRANCESCATTO, P.; RODRIGUEZ, P.; CABRERA, D.; FALERO, M.; DINI, M. |
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Afiliación : |
BRUNO CARRA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; P. FRANCESCATTO, Global Technical Development Specialist, PhD., Valent BioSciences Corporation, 870 Technology Way, Libertyville, IL, 60048, USA.; PABLO ANDRES RODRIGUEZ BRUNO, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; CARLOS DANILO CABRERA BOLOGNA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; MARCELO FABIAN FALERO DELGADO, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; MAXIMILIANO ANTONIO DINI VIÑOLY, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay. |
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Título : |
Crop load management on apples: alternatives to carbaryl and an organic thinning option on the Uruguay conditions. [Conference paper]. |
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Fecha de publicación : |
2023 |
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Fuente / Imprenta : |
Acta Horticulturae. 2023, 1366, pp.111-120. https://doi.org/10.17660/ActaHortic.2023.1366.13 |
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ISSN : |
0567-7572 (print); 2406-6168 (electronic) |
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DOI : |
10.17660/ActaHortic.2023.1366.13 |
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Idioma : |
Inglés |
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Notas : |
Article history: Published 30 April 2023. -- Correspondence: Bruno Carra, email: bcarra@inia.org.uy -- In: Acta Horticulturae (ISHS) 1366: XXXI International Horticultural Congress (IHC2022): International Symposium on Innovative Perennial Crops Management. Editors: S. Serra, P.-E. Lauri. -- Place: Angers, France. |
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Contenido : |
ABSTRACT.- Apple trees set many more fruit than desired, requiring a crop load adjustment to achieve acceptable fruit size in the season and an adequate return bloom, thus avoiding biennial bearing. Thus, the aim of this study was to evaluate the effect of different plant growth regulators as 6-benzyladenine (6-BA) and naphthaleneacetic acid (NAA) sprays and lime sulfur (LS) in apple thinning. Two trials were carried out in Uruguay on 2020/2021 growing season in 'Gala Baigent' and 'Rosy Glow' apples, respectively. Productive and quality parameters were evaluated. LS (3%) sprayed three times near the bloom and the different combination of 6-BA (100 mg L-1) + NAA (10 mg L-1) showed positive results reducing the number of thinned fruit and time of hand thinning compared to control trees in 'Gala Baigent' in 2020/2021 growing season. LS (3%) and the combination of 6-BA + NAA increased fruit weight of 'Gala Baigent' and did not significantly reduce yield on 2020/2021 growing season. For 'Rosy Glow' apples, LS sprayed three times reduced the number of thinned fruit and time of hand thinning compared to control. Fruit weight of 'Rosy Glow' apples was not increased by LS neither NAA at full bloom + 6-BA at petal fall, however, the combination of 6-BA (100 mg L-1) + NAA (10 mg L-1) at petal fall and the multiple sprays of NAA at full bloom plus the combination of 6-BA and NAA at petal fall, plus 6-BA + mineral oil at 15-18 mm increased fruit weight compared to untreated control trees. Collectively, our results are promising and indicate all the thinners used are potential tools on a chemical thinning program for apples to replace carbaryl. Furthermore, LS could be an option for growers in a thinning program, including for organic production. © 2023 International Society for Horticultural Science. All rights reserved. MenosABSTRACT.- Apple trees set many more fruit than desired, requiring a crop load adjustment to achieve acceptable fruit size in the season and an adequate return bloom, thus avoiding biennial bearing. Thus, the aim of this study was to evaluate the effect of different plant growth regulators as 6-benzyladenine (6-BA) and naphthaleneacetic acid (NAA) sprays and lime sulfur (LS) in apple thinning. Two trials were carried out in Uruguay on 2020/2021 growing season in 'Gala Baigent' and 'Rosy Glow' apples, respectively. Productive and quality parameters were evaluated. LS (3%) sprayed three times near the bloom and the different combination of 6-BA (100 mg L-1) + NAA (10 mg L-1) showed positive results reducing the number of thinned fruit and time of hand thinning compared to control trees in 'Gala Baigent' in 2020/2021 growing season. LS (3%) and the combination of 6-BA + NAA increased fruit weight of 'Gala Baigent' and did not significantly reduce yield on 2020/2021 growing season. For 'Rosy Glow' apples, LS sprayed three times reduced the number of thinned fruit and time of hand thinning compared to control. Fruit weight of 'Rosy Glow' apples was not increased by LS neither NAA at full bloom + 6-BA at petal fall, however, the combination of 6-BA (100 mg L-1) + NAA (10 mg L-1) at petal fall and the multiple sprays of NAA at full bloom plus the combination of 6-BA and NAA at petal fall, plus 6-BA + mineral oil at 15-18 mm increased fruit weight compared to untreated control trees... Presentar Todo |
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Palabras claves : |
6-benzyladenine; Fruit set; Lime sulfur; Malus × domestica Borkh; Naphthaleneacetic acid; Plant growth regulators; SISTEMA VEGETAL INTENSIVO - INIA; Yield. |
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Asunto categoría : |
F30 Genética vegetal y fitomejoramiento |
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Marc : |
LEADER 03173naa a2200313 a 4500
001 1064204
005 2023-06-21
008 2023 bl uuuu u00u1 u #d
022 $a0567-7572 (print); 2406-6168 (electronic)
024 7 $a10.17660/ActaHortic.2023.1366.13$2DOI
100 1 $aCARRA, B.
245 $aCrop load management on apples$balternatives to carbaryl and an organic thinning option on the Uruguay conditions. [Conference paper].$h[electronic resource]
260 $c2023
500 $aArticle history: Published 30 April 2023. -- Correspondence: Bruno Carra, email: bcarra@inia.org.uy -- In: Acta Horticulturae (ISHS) 1366: XXXI International Horticultural Congress (IHC2022): International Symposium on Innovative Perennial Crops Management. Editors: S. Serra, P.-E. Lauri. -- Place: Angers, France.
520 $aABSTRACT.- Apple trees set many more fruit than desired, requiring a crop load adjustment to achieve acceptable fruit size in the season and an adequate return bloom, thus avoiding biennial bearing. Thus, the aim of this study was to evaluate the effect of different plant growth regulators as 6-benzyladenine (6-BA) and naphthaleneacetic acid (NAA) sprays and lime sulfur (LS) in apple thinning. Two trials were carried out in Uruguay on 2020/2021 growing season in 'Gala Baigent' and 'Rosy Glow' apples, respectively. Productive and quality parameters were evaluated. LS (3%) sprayed three times near the bloom and the different combination of 6-BA (100 mg L-1) + NAA (10 mg L-1) showed positive results reducing the number of thinned fruit and time of hand thinning compared to control trees in 'Gala Baigent' in 2020/2021 growing season. LS (3%) and the combination of 6-BA + NAA increased fruit weight of 'Gala Baigent' and did not significantly reduce yield on 2020/2021 growing season. For 'Rosy Glow' apples, LS sprayed three times reduced the number of thinned fruit and time of hand thinning compared to control. Fruit weight of 'Rosy Glow' apples was not increased by LS neither NAA at full bloom + 6-BA at petal fall, however, the combination of 6-BA (100 mg L-1) + NAA (10 mg L-1) at petal fall and the multiple sprays of NAA at full bloom plus the combination of 6-BA and NAA at petal fall, plus 6-BA + mineral oil at 15-18 mm increased fruit weight compared to untreated control trees. Collectively, our results are promising and indicate all the thinners used are potential tools on a chemical thinning program for apples to replace carbaryl. Furthermore, LS could be an option for growers in a thinning program, including for organic production. © 2023 International Society for Horticultural Science. All rights reserved.
653 $a6-benzyladenine
653 $aFruit set
653 $aLime sulfur
653 $aMalus × domestica Borkh
653 $aNaphthaleneacetic acid
653 $aPlant growth regulators
653 $aSISTEMA VEGETAL INTENSIVO - INIA
653 $aYield
700 1 $aFRANCESCATTO, P.
700 1 $aRODRIGUEZ, P.
700 1 $aCABRERA, D.
700 1 $aFALERO, M.
700 1 $aDINI, M.
773 $tActa Horticulturae. 2023, 1366, pp.111-120. https://doi.org/10.17660/ActaHortic.2023.1366.13
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