Bird composition and diversity in oak stands under variable coppice management in Northwestern Turkey
Vedat Beskardes (1) , Akif Keten (2), Meric Kumbasli (3), Burak Pekin (4), Ersel Yilmaz (5), Ender Makineci (6), Emrah Ozdemir (5), Hayati Zengin (7)
iForest - Biogeosciences and Forestry, Volume 11, Issue 1, Pages 58-63 (2018)
doi: https://doi.org/10.3832/ifor2489-010
Published: Jan 25, 2018 - Copyright © 2018 SISEF
Research Articles
Abstract
Coppice management results in profound differences in forest structure and composition, which in turn can modify habitat value for bird species. We measured bird species richness and composition at 50 sample plots in pure oak forest stands in northwestern Turkey, which differed in age, cover and height in association with coppice management. We recorded a total of 38 bird species and 699 individuals across all stands. Regression-based multimodel inference showed that structural features of forest stands strongly affect bird diversity and abundance. While canopy cover and tree height affect bird diversity positively, elevation of sampling plots, tree density and tree diameter at breast height (DBH) had a negative effect. In addition, constrained ordination analyses revealed that canopy cover was the most important factor influencing bird species composition. Forest stands that have 42-85% canopy cover, i.e., a few (2009-2580 oak trees) large tall (13.36-15.78 m) trees, were the most preferred habitat by bird species. However, we also found that different bird species favor different stand structural features. Thus, variation in stand structure from maintaining some coppice management across the landscape may be beneficial for rare or endangered species and result in greater landscape level biodiversity.
Keywords
Avian Fauna, Canopy Height, Vegetation Seral Stage, Canopy Cover, Multi-model Inference, Thrace
Authors’ Info
Authors’ address
Istanbul University, Faculty of Forestry, Forest Entomology and Protection Department, Istanbul (Turkey)
Duzce University, Faculty of Forestry, Wildlife Ecology and Management Department, Duzce (Turkey)
Abant Izzet Baysal University, Faculty of Agriculture and Natural Science, Wildlife Ecology and Management Department, Bolu (Turkey)
Istanbul Technical University, Eurasia Institute of Earth Sciences, Istanbul 34469 (Turkey)
Emrah Ozdemir
Istanbul University, Faculty of Forestry, Forest Yield and Biometry Department, Istanbul (Turkey)
Istanbul University, Faculty of Forestry, Soil Science and Ecology Department, Istanbul (Turkey)
Duzce University, Faculty of Forestry, Forest Biometry and Management Department, Duzce (Turkey)
Corresponding author
Paper Info
Citation
Beskardes V, Keten A, Kumbasli M, Pekin B, Yilmaz E, Makineci E, Ozdemir E, Zengin H (2018). Bird composition and diversity in oak stands under variable coppice management in Northwestern Turkey. iForest 11: 58-63. - doi: 10.3832/ifor2489-010
Academic Editor
Massimo Faccoli
Paper history
Received: May 09, 2017
Accepted: Nov 13, 2017
First online: Jan 25, 2018
Publication Date: Feb 28, 2018
Publication Time: 2.43 months
Copyright Information
© SISEF - The Italian Society of Silviculture and Forest Ecology 2018
Open Access
This article is distributed under the terms of the Creative Commons Attribution-Non Commercial 4.0 International (https://creativecommons.org/licenses/by-nc/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
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