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      THE IMPACT OF HURRICANE BETA ON THE FORESTS OF PROVIDENCIA ISLAND, COLOMBIA, SOUTHWEST CARIBBEAN Translated title: El impacto del huracán Beta en los bosques de la isla Providencia, Colombia, Suroccidente caribeño

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          Abstract

          One of the consequences of global warming in the Caribbean is an increase in the frequency and intensity of hurricanes. Little is known on the impact of this natural phenomenon on forests, particularly for dry tropical forests. Understanding this impact in terms of structure and species richness is important for forest management. Slow moving Hurricane Beta, a category 1, struck Old Providence island, Colombia, in October 29, 2005. Before Beta woody vegetation was characterized by 88 2 x 50 m plots (0.01 ha) established throughout the island following the protocol by Gentry (1982); 59 plots were studied five years earlier and 29 plots four to five months earlier. The impact of hurricane Beta was assessed within 11 plots located in the Dry Tropical Forests of Old Providence, six months after the hurricane. The These plots were measured in species composition, diameter at breast height (DBH), and height were measured within these plots. There was a considerable reduction in the number of individuals, stems, height, basal areas, and there was no significant difference between DBH. Height damage was positively associated with increasing DHB class. Furthermore, based on the results of species richness, even after controlling for the different number of individuals, through rarefaction, there was no major difference before and after Beta.

          Translated abstract

          Una de las consecuencias del calentamiento global en el Caribe es el aumento de la frecuencia e intensidad de los huracanes. Poco se sabe del impacto de este fenómeno natural en los bosques, particularmente para el bosque seco tropical (BsT). Entender este impacto en términos de estructura y riqueza de especies es importante para la gestión del bosque. El huracán Beta, categoría 1 y con lento movimiento, azota a Providencia el 29 de octubre de 2005. Antes de Beta, se contaba con una caracterización de la vegetación leñosa en 88 cuadrantes de 2 x 50 m (0.01 ha) establecidos por toda la isla siguiendo el protocolo de Gentry (1982); 59 cuadrantes estudiados cinco años antes y 29 cuadrantes cuatro o cinco meses antes del paso de Beta. El impacto del huracán es medido en once cuadrantes seis meses más tarde del paso del huracán. Estos cuadrantes se censaron en composición de especies, diámetro a la altura del pecho (DAP) y altura. El estudio revela una reducción considerable en el número de individuos, de fustes, área basal y altura; sin diferencia significativa en DAP. El daño en la altura se encuentra positivamente asociado al incremento en la clase de DAP. Adicionalmente, con base en los resultados de riqueza de especies, aun controlando por el distinto número de individuos, a través de la rarefacción, no hay una diferencia mayor antes y después de Beta.

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          Most cited references34

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          Increasing destructiveness of tropical cyclones over the past 30 years.

          Theory and modelling predict that hurricane intensity should increase with increasing global mean temperatures, but work on the detection of trends in hurricane activity has focused mostly on their frequency and shows no trend. Here I define an index of the potential destructiveness of hurricanes based on the total dissipation of power, integrated over the lifetime of the cyclone, and show that this index has increased markedly since the mid-1970s. This trend is due to both longer storm lifetimes and greater storm intensities. I find that the record of net hurricane power dissipation is highly correlated with tropical sea surface temperature, reflecting well-documented climate signals, including multi-decadal oscillations in the North Atlantic and North Pacific, and global warming. My results suggest that future warming may lead to an upward trend in tropical cyclone destructive potential, and--taking into account an increasing coastal population--a substantial increase in hurricane-related losses in the twenty-first century.
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            • Record: found
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            Hurricane Impacts to Tropical and Temperate Forest Landscapes

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              Patterns in neotropical plant species diversity

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                Author and article information

                Journal
                cal
                Caldasia
                Caldasia
                Instituto de Ciencias Naturales, Facultad de Ciencias-Universidad Nacional de Colombia (Bogotá, Cundinamarca, Colombia )
                0366-5232
                2357-3759
                December 2010
                : 32
                : 2
                : 425-434
                Affiliations
                [02] Bogotá D.C. orgnamePatrimonio Natural Fondo para la Biodiversidad y Áreas Protegidas orgdiv1Programa Incentivos a la Conservación Colombia mfandino@ 123456patrimonionatural.org.co
                [01] Bogotá D.C. orgnameUniversidad Pedagógica y Tecnológica de Colombia (Uptc) orgdiv1Escuela de Ciencias Sociales Colombia jorge.ruiz@ 123456uptc.edu.co
                Article
                S0366-52322010000200013 S0366-5232(10)03200213
                21ba4a26-1881-4305-8bd2-e9a447284269

                This work is licensed under a Creative Commons Attribution 4.0 International License.

                History
                : 08 June 2009
                : 01 November 2009
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 37, Pages: 10
                Product

                SciELO Colombia

                Self URI: Full text available only in PDF format (EN)

                huracanes,Caribbean,Colombia,dry tropical forest,hurricanes,Old Providence,Bosque seco tropical,Caribe,Providencia

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