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Artículo

Can agroecological management increase functional diversity of birds in rice fields?

Lorenzón, Rodrigo EzequielIcon ; Leon, Evelina JesicaIcon ; Juani, Marcelo Miguel; Beltzer, Adolfo HectorIcon ; Peltzer, PaolaIcon ; Lajmanovich, Rafael CarlosIcon ; Attademo, Andres MaximilianoIcon
Fecha de publicación: 09/2020
Editorial: Revista de Biología Tropical
Revista: Revista de Biología Tropical
ISSN: 0034-7744
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Ecología

Resumen

Introduction: Recognition of the variety of ecosystem services that biodiversity performs in agroecosystems is one of the basic principles of agroecology. Because indices of functional diversity may be directly related with ecosystem services, an assessment of functional diversity can be useful for evaluating ecosystem services provided under agroecological management. Objective: We compared functional diversityof birds found in rice fields under conventional and agroecological management in the rice zone of Santa Fe Province, Argentina. Our objective was to determine whether agroecological management of rice is associated with a higher functional diversity and a different functional composition of birds than conventional management. Methods: We surveyed birds eight times, roughly every 15 days between November 2017 and March 2018, from beginning of sowing to before harvest, in both types of rice fields. Birds were sampled by a combined techniqueof line transects and point counts at four sites in each type of management. We calculated indices of functional diversity and composition based on morphologic and trophic attributes of birds detected in each type of field. Results: Functional richness, divergence and dispersion were higher under agroecological management. Onlydifferences in functional richness between managements reflected differences in species richness. Community-level weighted means of trait values by sample varied between management types. An insectivorous diet, pursuit as a foraging method, and air and shrubs as foraging substrates were traits best represented under agroecologicalmanagement. Conclusions: Our results suggest that agroecological management of rice crops is related with a higher functional diversity of birds than conventional practices, suggesting that agroecological management may enhance the provision of ecosystem services by birds in rice agroecosystem.
Palabras clave: Agroecosystem , Argentina , Conventional management , Ecosystem service , Santa Fe province , Functional trait
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/111290
URL: https://revistas.ucr.ac.cr/index.php/rbt/article/view/39261
Colecciones
Articulos(CCT - SANTA FE)
Articulos de CTRO.CIENTIFICO TECNOL.CONICET - SANTA FE
Citación
Lorenzón, Rodrigo Ezequiel; Leon, Evelina Jesica; Juani, Marcelo Miguel; Beltzer, Adolfo Hector; Peltzer, Paola; et al.; Can agroecological management increase functional diversity of birds in rice fields?; Revista de Biología Tropical; Revista de Biología Tropical; 68; 9-2020; 873-883
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