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. 2016 Aug 18;23(21):21940–21946. doi: 10.1007/s11356-016-7297-6

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© The Author(s) 2016

Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/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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Fig. 1 — Land covers of 1 km buffers used to quantify degrees of urbanisation around breeding side near sampling points. Land covers are tree and forest cover (dark green), paved surfaces (black), open green area (farmlands, meadows, fallow lands) (light green), illegal settlement and degraded allotment gardens (sand) and buildings or industrial plants (red)