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      Calidad del bosque de ribera en la cuenca del río Utcubamba, Amazonas, Perú Translated title: Quality of the riparian forest in the Utcubamba river basin, Amazonas, Peru

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          Abstract

          Los bosques de ribera en áreas tropicales poseen una gran diversidad y heterogeneidad, al estar constituidos por árboles con una distribución irregular lo que provoca que las comunidades arbóreas difieran a lo largo del río. En la presente investigación, se estudió la vegetación de ribera existente a lo largo de la cuenca del río Utcubamba, situado en un valle interandino tropical en el departamento de Amazonas, nororiente del Perú. Se realizaron inventarios florísticos en 43 puntos de muestreo a lo largo del cauce principal y principales tributarios del río, desde su nacimiento hasta su desembocadura. Se registraron 230 especies de plantas vasculares pertenecientes a 76 familias. Las formaciones arbóreas más comunes colectadas fueron de Alnus acuminata, Salix humboldtiana y Tessaria integrifolia, mientras que las arbustivas resultaron ser Phragmites australis y Gynerium sagittatum. Asimismo, se evaluó la calidad del bosque de galería en cada punto de muestreo mediante el uso del índice QBR-And, mostrándose en la cuenca una calidad decreciente desde el tramo alto al bajo, y superior en los tributarios, en ambos casos motivado por actividades humanas de origen agropecuario principalmente.

          Translated abstract

          Riparian forests in tropical areas have great diversity and heterogeneity, because they are made up of trees with an irregular distribution which causes that the tree communities differ along the river. In the present investigation, we studied the riparian vegetation existing along the Utcubamba River basin, located in a tropical inter-Andean valley in the department of Amazonas, northeast of Peru. Floristic inventories were conducted at 43 sampling points along the main riverbed and main tributaries of the river from its source to its mouth. 230 species of vascular plants belonging to 76 families were registered. The most common arboreal formations collected were Alnus acuminata, Salix humboldtiana and Tessaria integrifolia, while the shrubs were Phragmites australis and Gynerium sagittatum. Likewise, the quality of the gallery forest at each sampling point was evaluated by using the QBR-And index, showing a decreasing quality in the basin from the high to the low section, and higher values in the tributaries, in both cases motivated by human activities of agricultural origin mainly.

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          Most cited references39

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          A simple field method for assessing the ecological quality of riparian habitat in rivers and streams: QBR index

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            The Role of Riparian Vegetation in Protecting and Improving Chemical Water Quality in Streams1

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              Flow variability and the biophysical vitality of river systems

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
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                Journal
                arnal
                Arnaldoa
                Arnaldoa
                Universidad Privada Antenor Orrego, Museo de Historia Natural (Trujillo, , Peru )
                1815-8242
                2413-3299
                July 2018
                : 25
                : 2
                : 653-678
                Affiliations
                [1] Chachapoyas orgnameUniversidad Nacional Toribio Rodríguez de Mendoza de Amazonas orgdiv1Instituto de Investigación para el Desarrollo Sustentable de Ceja de Selva PERÚ
                [2] Lima orgnameUniversidad Le Cordon Bleu orgdiv1Unidad de Investigación y Extensión Universitaria PERÚ
                Article
                S2413-32992018000200018
                10.22497/arnaldoa.252.25218
                5b6ad6d4-9f30-429d-9871-f42ac4a358a8

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

                History
                : 20 January 2018
                : 28 February 2018
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 44, Pages: 26
                Product

                SciELO Peru

                Categories
                Artículos originales

                bosque ripario,inventario florístico,calidad de ribera,río Utcubamba,Perú,riparian forest,floristic inventory,riparian quality,Utcubamba river,Peru

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