Temporal variation of bird biodiversity and compositional complexity in a representative semi-Agricultural Natura 2000 area of conservation in Northern Greece

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Title: Temporal variation of bird biodiversity and compositional complexity in a representative semi-Agricultural Natura 2000 area of conservation in Northern Greece
Authors: Soulopoulou, Polyxeni | Marco Molina, Juan Antonio | Padilla, Ascension | Damos, Petros
Research Group/s: Medio, Sociedad y Paisaje (MedSPai)
Center, Department or Service: Universidad de Alicante. Departamento de Análisis Geográfico Regional y Geografía Física | Universidad de Alicante. Centro Iberoamericano de la Biodiversidad
Keywords: Birds | Compositional complexity | Biodiversity indices
Knowledge Area: Geografía Física
Issue Date: 23-Dec-2020
Publisher: Edizioni Danaus
Citation: Biodiversity Journal. 2020, 11(4): 939-950. https://doi.org/10.31396/Biodiv.Jour.2020.11.4.939.950
Abstract: In this work we study the alteration in compositional diversity of bird abundances at the species level from 2012 to 2017 in one of the most important wetland Natura sites in Northern Greece and by using different biodiversity indices. Shannon Entropy was lower during 2012 (DH = 1.509) albeit remained in similar levels from 2013 and afterwards. The highest values of Shannon Entropy were recorded in 2014 (DH = 2.927) and 2016 (DH = 2.888) suggesting that there is a higher diversity compared to the other observation years and especially 2012. The yearly trends of the Simpson dominance index and the Gini-Simpson Index had quite similar patterns. The Berger-Parker index, DD, which represents the maximum proportion of any species estimated in the sample assemblage, had its highest values in 2012 (DD = 0.58) and 2017 (DD = 0.39) and its lowest in 2014 (DD = 0.13) and 2016 (DD = 0.15). A complete characterization of diversity was possible through the projection of Hill numbers and the Rényi entropy, parameterized by the order q in terms of an empirical curve. According to the Hills numbers pooled over the years, the mean species abundance (q = 0) was estimated at 31 species, the mean biodiversity (q = 1) was 13 species and the most dominant species (q = 2) were 8 species. The quantification of bird biodiversity in the particular research area patterns is a fundamental task to evaluate current management actions, improve conservation and design future management strategies.
URI: http://hdl.handle.net/10045/111893
ISSN: 2039-0394 (Print) | 2039-0408 (Online)
DOI: 10.31396/Biodiv.Jour.2020.11.4.939.950
Language: eng
Type: info:eu-repo/semantics/article
Rights: © Biodiversity Journal. The Journal allows readers to read, download, copy, distribute, print, search, or link to the full texts of its articles and allows readers to use them for any other lawful purpose.
Peer Review: si
Publisher version: https://doi.org/10.31396/Biodiv.Jour.2020.11.4.939.950
Appears in Collections:INV - MedSPai - Artículos de Revistas

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