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Breeding passerines communities in the Valdes Peninsula (Patagonia, Argentina)

Authors: PRUSCINI, FABIO; MORELLI, FEDERICO DANIEL; SISTI, DAVIDE; P. Perna; A. Catorci; M. Bertellotti; ROCCHI, MARCO BRUNO LUIGI; +1 Authors

Breeding passerines communities in the Valdes Peninsula (Patagonia, Argentina)

Abstract

La Península de Valdes es un area de gran riqueza natural, localizada en la costa Este de la Pa- tagonia Argentina. El propósito de este trabajo fue analizar la comunidad de aves Passeriformes de las areas internas de la región, con el proposito de identificar las especies que caracterizan cada comuni- dad, determinando las principales tipologias ambientales frecuentadas, para poder estudiar las rela- ciones entre la riqueza y abundancia de aves y la estructura del ambiente. Se realizaron 107 puntos de conteo durante la temporada reproductiva de 2011, en donde se detectaron 869 aves pertenecientes a 23 especies de Passeriformes. Para los análisis se usó el método de agrupamiento por el método del Indicator Value. Los resultados evidencian la existencia de dos diferentes comunidades: una asociada exclusivamente a la estepa herbácea y caracterizada por las especies Cachirla uña corta (Anthus furca- tus) y Minero común (Geositta cunicularia); mientras que la otra, asociada a la estepa arbustiva, es car- acterizada por diferentes especies típicas, como el Chingolo (Zonotrichia capensis), que es la especie de mayor distribución. Estos resultados constituyen una actualización al conocimiento de la fauna de la Península de Valdés, los cuales pueden ser útiles para el manejo y conservación de la avifauna de la región.

The Valdes Peninsula is a high-natural value area, located on the east coast of Argentine Patagonia. The aim of the reported research was to analyze the community of breeding passerine birds of the inland areas, with the purpose to identify the species that characterize each community, determining the main environmental typologies frequented, in order to study the relationships between bird richness and abundance, and environmental structure. During the breeding season 2011, 107 point counts were performed. 869 birds belonging to 23 passerine species were contacted and analyzed through a cluster analysis using the Indicator Value method. Results revealed the existence of two different communities: one that essentially refers to the grassy steppe where the characteristic species are Shortbilled Pipit (Anthus furcatus) and Common Miner (Geositta cunicularia), and the other one, which occupies the shrub-steppe consisting of more characteristic species, starting from the Rufous-collared Sparrow (Zonotrichia capensis), the most widespread species. These results update previous results on the community of passerines living in the study area and provide some useful insights for management purposes.

Fil: Bertellotti, Nestor Marcelo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Nacional Patagónico; Argentina

Fil: Catorci, Andrea. Universita Degli Di Camerino. Scuola Di Scienze Ambientale; Italia

Fil: Perna, Paolo. Universita Degli Di Camerino. Scuola Di Scienze Ambientale; Italia

Fil: Rocchi, Marco Bruno Luigi. Università Di Urbino; Italia

Fil: Santolini, Ricardo. Università Di Urbino; Italia

Fil: Morelli, Federico. Università Di Urbino; Italia

Fil: Pruscini, Fabio. Università Di Urbino; Italia

Fil: Sisti, Davide. Università Di Urbino; Italia

Countries
Italy, Argentina, United States, United States
Keywords

https://purl.org/becyt/ford/1.6, Bird Ecology, Passerines, https://purl.org/becyt/ford/1, Peninsula Valdes, Bird Community

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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!
0
Average
Average
Average
Green