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Gökçeada Salt Lake: a Case Study of Seasonal Dynamics of Wetland Ecological Communities in the Context of Anthropogenic Pressure and Nature Conservation

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Abstract

Gökçeada Salt Lake (GSL) (Gökçeada Island, North Aegean Sea) is an important wetland area situated on established bird migratory routes. The waterbody is subject to significant variability in seasonal water quality and species diversity. Monthly observations indicate that a total of 29 waterbird species were present during 2015–2016. Rainfall was observed to influence waterbird abundance. There was also a strong correlation between waterbird and zooplankton species diversity, with water quality a further influencing factor. The seasonal abundance of 78 other aquatic species was also investigated. Spring and fall seasonal eutrophication, as a consequence of canal construction and suspected warming due to climate change has caused changes in Chlorophyll-a, dissolved oxygen, biological oxygen demand levels and grazing habits of aquatic species. Here, we propose GSL as a coastal lagoon model for a hydrodynamically sensitive habitat undergoing significant change from the combined threats of heavy metal pollution from a waste management facility, pesticide use for tourism and agriculture activity and wider climate impacts. We conclude that our results provide a paradigm for broad-scale monitoring programs encompassing all components of the wetland ecosystem under anthropogenic and climate change pressure, thus providing a tool to support and inform essential management and rehabilitation plans.

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Acknowledgements

The Authors would like to thank Experimental Research Application and Research Center (COBILTUM), Çanakkale Onsekiz Mart University, Çanakkale, Turkey and Technology Research and Development Centre (TUTAGEM), Trakya University, Edirne, Turkey for making available facilities for ion/element, heavy metal and pesticide analyses in sediments. This research has been financially supported by The Scientific and Technological Research Council of Turkey-TUBITAK (Project No: 115Y457) and ÇOMÜ-BAP (Project No: 115Y457). We would like to thanks Dr. Cevdet Merih Erek. for providing mapping we used.

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Authors and Affiliations

  1. Department of Biology, Faculty of Arts and Sciences, Çanakkale Onsekiz Mart University, 17100, Canakkale, Turkey

    Herdem Aslan & Yusuf Kurt

  2. Department of Biology, Faculty of Sciences, Trakya University, 22030, Edirne, Turkey

    Belgin Elipek

  3. Faculty of Aquatic Sciences, Istanbul University, 34100, Istanbul, Turkey

    Onur Gönülal

  4. Department of Biology, Faculty of Arts and Sciences, Ondokuz Mayıs University, 55132, Samsun, Turkey

    Özgür Baytut

  5. Institute of Marine Sciences, Middle East Technical University, 33731, Mersin, Turkey

    Özgür E. İnanmaz

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  1. Herdem Aslan
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  2. Belgin Elipek
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  4. Özgür Baytut
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  5. Yusuf Kurt
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  6. Özgür E. İnanmaz
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Correspondence to Herdem Aslan.

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Aslan, H., Elipek, B., Gönülal, O. et al. Gökçeada Salt Lake: a Case Study of Seasonal Dynamics of Wetland Ecological Communities in the Context of Anthropogenic Pressure and Nature Conservation. Wetlands 41, 23 (2021). https://doi.org/10.1007/s13157-021-01401-0

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