Distribution, threats and protection of selected karst groundwater-dependent ecosystems in the Mediterranean region

Karst groundwater-dependent ecosystems (KGDEs) in the Mediterranean region are important in terms of ecosystem services and biodiversity but are increasingly under anthropogenic pressures and climate-change constraints. For this study, the ecohydrological characteristics, threats, and protection sta...

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Bibliographic Details
Published in:	Hydrogeology journal Vol. 31; no. 8; pp. 2231 - 2249
Main Authors:	Siegel, Lena, Goldscheider, Nico, Petitta, Marco, Xanke, Julian, Andreo, Bartolomé, Bakalowicz, Michel, Barberá, Juan Antonio, Bouhlila, Rachida, Burg, Avihu, Doummar, Joanna, Ezzine, Ines, Fernández-Ortega, Jaime, Ghanmi, Mohamed, Jourde, Hervé, Marín, Ana Isabel, Mhimdi, Amal, Pipan, Tanja, Ravbar, Nataša, Stevanović, Aleksandra Maran, Stevanović, Zoran
Format:	Journal Article
Language:	English
Published:	Berlin/Heidelberg Springer Berlin Heidelberg 01-12-2023 Springer Nature B.V
Subjects:	Anthropogenic factors Aquatic Pollution Aquifers Arid climates Biocenoses Biodiversity Caves Climate change Conflicts of interest Conservation Distribution Earth and Environmental Science Earth Sciences Ecohydrology Ecosystem services Ecosystems Environmental awareness Geology Geophysics/Geodesy Groundwater Human impact Hydrogeology Hydrology/Water Resources Interdisciplinary research Interdisciplinary studies Karst Local population Mass tourism Overdraft Overfishing Rivers Tourism Waste Water Technology Water Management Water monitoring Water Pollution Control Water quality Water quality management Water quality monitoring Water Quality/Water Pollution Water shortages Water springs Wetlands Ecology Karst Mediterranean region Springs Groundwater-dependent ecosystem
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Summary:	Karst groundwater-dependent ecosystems (KGDEs) in the Mediterranean region are important in terms of ecosystem services and biodiversity but are increasingly under anthropogenic pressures and climate-change constraints. For this study, the ecohydrological characteristics, threats, and protection status of 112 selected KGDEs around the Mediterranean Sea, including caves, springs, rivers and wetlands, were evaluated, based on local expert knowledge and scientific literature. Results demonstrate that KGDEs contribute considerably to regional biodiversity. The diversity of karst landscapes, combined with the groundwater emergence at springs, leads to exceptional habitat diversity, particularly in arid climates, where KGDEs serve as a refuge for species that could not thrive in the surrounding environment. The most common threats identified among the selected sites are direct human disturbances, such as mass tourism or overfishing, water-quality deterioration and water shortage from aquifer overdraft and/or climate change. Although most of the selected sites are under protection, conservation measures are frequently insufficient. Such shortcomings are often caused by poor data availability, little knowledge on conservation needs of invertebrate species, and conflicts of interest with the local population. For this purpose, it is necessary to raise environmental awareness and promote interdisciplinary research, in order to monitor water quality and quantity in addition to the status of the biocenoses.
ISSN:	1431-2174 1435-0157
DOI:	10.1007/s10040-023-02711-9