Generic diversity of Trichoptera (Insecta) of Paramo Rabanal (Cundinamarca-Boyacá, Colombia)

 

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Detalles Bibliográficos
Autores: Latorre-Beltrán, Ivonne T., Novelo-Gutiérrez, Rodolfo, Avila, Mario E.
Formato: artículo original
Estado:Versión publicada
Fecha de Publicación:2014
Descripción:Trichopterans are considered an important and diverse biotic element in continental aquatic ecosystems. The purpose of this study was to evaluate the assemblages of the order Trichoptera in two subwatersheds with a gradient of disturbance. Four sampling events were conducted in two subwatersheds in the Eastern Mountain Range of the Colombian Andes. For the analysis we used rarefaction curves, Bray-Curtis’ Index and Partitioning Diversity and total richness and Shannon’s diversity as metrics. Although total richness was similar between both subwatersheds, abundance was always highest in streams within the conserved subwatershed. Each subwatershed was dominated by different genera, except Ochrotrichia, which was abundant at all sites. Alpha diversity was similar among streams in the conserved watershed, while a reduction in diversity potentially associated with the disturbance gradient was observed in streams of the disturbed subwatershed. Beta diversity (0Db and 1Db) between subwatersheds and among conserved streams was similar, while in disturbed streams a similar gradient to that of alpha diversity was found. The similitude analysis clustered streams according to their conservation status. Differences found in trichopteran assemblages do confirm that the use of their attributes is adequate to assess the conservation status of stream ecosystems. Rev. Biol. Trop. 62 (Suppl. 2): 97-110. Epub 2014 April 01. 
País:Portal de Revistas UCR
Institución:Universidad de Costa Rica
Repositorio:Portal de Revistas UCR
Lenguaje:Español
OAI Identifier:oai:portal.ucr.ac.cr:article/15781
Acceso en línea:https://revistas.ucr.ac.cr/index.php/rbt/article/view/15781
Palabra clave:diversity
Trichoptera
paramo Rabanal
disturbance
conserved
partitioning diversity.
zonas altoandinas
insectos acuáticos
diversidad verdadera
curvas de rarefacción
conservación.