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Article

Assessing the Ecological Water Level: The Case of Four Mediterranean Lakes

1
Institute of Marine Biological Resources and Inland Waters (IMBRIW), Hellenic Centre for Marine Research (HCMR), Elliniko, 16604 Argyroupoli, Attiki, Greece
2
The Goulandris Natural History Museum, Greek Biotope/Wetland Centre, 14th km Thessaloniki-Mihaniona, 57001 Thermi, Greece
3
Soil and Water Resources Institute, Hellenic Agricultural Organization-DG Research, 57400 Sindos, Greece
4
Laboratory of Ichthyology, Department of Zoology, School of Biology, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
*
Author to whom correspondence should be addressed.
Water 2020, 12(11), 2977; https://doi.org/10.3390/w12112977
Received: 24 September 2020 / Revised: 15 October 2020 / Accepted: 19 October 2020 / Published: 23 October 2020
The ecological water regime in lake water bodies refers to the water levels that enable the fulfillment of the ecosystem’s multiple functions. Therefore, assessing the ecological water regime necessitates the consideration of hydrological, economic, social, and ecological factors. The present research is focused on the assessment of the ecological water level of four Mediterranean natural lake ecosystems, considering their morphological and biological features. Initially, suggestions on the ecological water regime of the studied lakes were made based on an analysis of the lakes’ morphometry. Further, the ecological and biological requirements of the present fish fauna and aquatic macrophytic vegetation were considered. For the latter, mapping was conducted by extensive sampling according to international standards, in order to assess macrophyte composition, abundance, and chorology, as well as species sensitivity to water level fluctuations. The above guided the proposals on the optimal water level regime that should be met by each lake regarding the macrophytic and fish communities’ sustainability, also taking into account the unique hydromorphological features of each lake. The differences in the outcoming results revealed that hydromorphological and biological approaches should be combined for assessing lakes’ ecological water regimes. View Full-Text
Keywords: hydromorphological analysis; macrophytes; fish; sensitive taxa; traits; Greece hydromorphological analysis; macrophytes; fish; sensitive taxa; traits; Greece
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MDPI and ACS Style

Petriki, O.; Zervas, D.; Doulgeris, C.; Bobori, D. Assessing the Ecological Water Level: The Case of Four Mediterranean Lakes. Water 2020, 12, 2977. https://doi.org/10.3390/w12112977

AMA Style

Petriki O, Zervas D, Doulgeris C, Bobori D. Assessing the Ecological Water Level: The Case of Four Mediterranean Lakes. Water. 2020; 12(11):2977. https://doi.org/10.3390/w12112977

Chicago/Turabian Style

Petriki, Olga; Zervas, Dimitrios; Doulgeris, Charalampos; Bobori, Dimitra. 2020. "Assessing the Ecological Water Level: The Case of Four Mediterranean Lakes" Water 12, no. 11: 2977. https://doi.org/10.3390/w12112977

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