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Ecosistemas
Article . 2016 . Peer-reviewed
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DIGITAL.CSIC
Article . 2024 . Peer-reviewed
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New contributions to the knowledge of birds in Tumbesian region; conservation implications of the Dry Forest Biosphere Reserve, Zapotillo, Ecuador

Nuevos aportes al conocimiento de avifauna en la región tumbesina; implicaciones para la conservación de la Reserva de Biosfera del Bosque Seco, Zapotillo, Ecuador
Authors: Ordóñez-Delgado, Leonardo; Tomás, Gustavo; Armijos-Ojeda, Diego; Jara-Guerrero, Andrea; Cisneros, Rodrigo; Espinosa, Carlos Ivan;

New contributions to the knowledge of birds in Tumbesian region; conservation implications of the Dry Forest Biosphere Reserve, Zapotillo, Ecuador

Abstract

[EN] Tumbesian region is considered one of the most important global areas for both threatened and endemic species. Species richness for birds has been well documented; however, detailed information is still lacking hindering effective conservation actions. This is the case of species local distribution, thus for many locations in the Tumbesian region an adequate systematization and information availability is still lacking. Accordingly researchers, decision makers or the general public can't access to this information. In this paper, we present a compilation on bird richness within canton Zapotillo, located southwest of the province of Loja in southern Ecuador. Zapotillo is part of the recently declared "Dry Forest" Biosphere Reserve. This compilation includes information generated by different studies since 2001, and also incorporates the results of an inventory using mist nets and a collection of audible and visual records performed in 2014-2015 across nine localities in the area. We registered 156 bird species, including 43 endemic to the Tumbesian region, 23 migratory species and five globally threatened species. In addition, we propose expanding geographic distribution for four Ecuadorian bird species. Taken together our results and previous literature, the total number of birds registered for Zapotillo reaches 184 species, of which 49 are endemic to the Tumbesian region, 25 are migratory species, and 11 are globally threatened. Despite the Zapotillo Canton barely represents 2% of dry forest cover in Ecuador it embraces 75% of avian biodiversity and 83% of the endemic birds of the Ecuadorian Tumbesian region.

[ES] La región tumbesina es una de las áreas de endemismo de aves más importante y amenazada a nivel mundial. La riqueza de aves de esta región es bien conocida, sin embargo, aún presenta vacíos de información críticos para promover acciones efectivas de conservación. Un ejemplo es el conocimiento sobre la distribución local de especies, existen territorios en los cuales la información aún es insuficiente, o está dispersa y sin una sistematización adecuada, dificultando que los gestores locales o incluso investigadores, consideren esta información para orientar y planificar sus acciones. En este documento, presentamos información sobre la riqueza de aves del cantón Zapotillo, en la provincia de Loja, sur de Ecuador, el cual es parte de la recientemente declarada Reserva de Biosfera “Bosque Seco”. Este trabajo incluye información de estudios previos (2001-2009); y, resultados de un inventario que realizamos entre el 2014 y 2015, en nueve localidades del cantón, utilizando redes de niebla y recopilación de registros auditivos y visuales. Registramos 156 especies de aves, 43 endémicas tumbesinas, 22 migratorias y cinco amenazadas a nivel global; además, proponemos la ampliación de distribución de cuatro especies para Ecuador. Incorporando la información previa a nuestro estudio, el total de aves para Zapotillo llega a 184 especies, 49 endémicas tumbesinas, 25 migratorias y 11 amenazadas a nivel global. Zapotillo representa el 1.73% de los bosques secos occidentales de Ecuador; sin embargo alberga al 75% de las aves presentes de estos bosques y el 83% del total de aves endémicas de región tumbesina del país.

Este trabajo forma parte de los proyectos: “Parásitos y respuesta de estrés en aves de los bosques secos en relación al tipo de bosque y a su grado de degradación” y “Análisis de la multifuncionalidad de los ecosistemas secos de Ecuador como herramienta para determinar el estado de conservación y los servicios ambientales”, financiados por la Universidad Técnica Particular de Loja (UTPL) y ejecutados por el Departamento de Ciencias Naturales de la UTPL, con permiso de Investigación del Ministerio del Ambiente: MAE-DNB-CM-2015-0016. Agradecemos a todos los colaboradores nacionales e internacionales de los proyectos con quienes se compartieron intensas y gratificantes jornadas de campo. G. Tomás agradece el apoyo brindado por la Secretaría de Educación Superior, Ciencia, Tecnología e Innovación del Ecuador (SENESCYT) a través del Programa Prometeo. D. Armijos, agradece a la Universidad Nacional de Loja por su apoyo para la toma de datos en Cazaderos. A la Fundación Naturaleza y Cultura Internacional, especialmente a Darwin Martínez por el apoyo técnico y acceso a la Reserva Natural La Ceiba, y a Elsa Castillo y Felipe Sánchez por el valioso apoyo logístico en la ejecución del trabajo de campo. Un agradecimiento especial a Gema Escribano-Ávila por su invitación a participar en este monográfico y a los dos revisores anónimos que aportaron valiosos comentarios para mejorar este manuscrito.

Peer reviewed

Country
Spain
Keywords

Diversity, Conservation, Tumbesian Region, Birds, Dry forest, Ecuador, Endemism

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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