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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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          Measuring Biological Diversity

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            Patterns of Neotropical Plant Species Diversity

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              Patterns in neotropical plant species diversity

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Journal
                cal
                Caldasia
                Caldasia
                Instituto de Ciencias Naturales, Facultad de Ciencias-Universidad Nacional de Colombia (Bogotá )
                0366-5232
                December 2010
                : 32
                : 2
                : 425-434
                Affiliations
                [1 ] Universidad Pedagógica y Tecnológica de Colombia (Uptc) Colombia
                [2 ] Patrimonio Natural Fondo para la Biodiversidad y Áreas Protegidas Colombia
                Article
                S0366-52322010000200013
                b3c41eae-0360-497f-9731-88003e8e3537

                http://creativecommons.org/licenses/by/4.0/

                History
                Product

                SciELO Colombia

                Self URI (journal page): http://www.scielo.org.co/scielo.php?script=sci_serial&pid=0366-5232&lng=en
                Categories
                BIOLOGY

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

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