Stepping Stone Wetlands, Last Sanctuaries for European Mudminnow: How Can the Human Impact, Climate Change, and Non-Native Species Drive a Fish to the Edge of Extinction?

Doru Bănăduc (), Saša Marić, Kevin Cianfaglione, Sergey Afanasyev, Dóra Somogyi (), Krisztián Nyeste, László Antal, Ján Koščo, Marko Ćaleta, Josef Wanzenböck and Angela Curtean-Bănăduc
Additional contact information
Doru Bănăduc: Applied Ecology Research Center, Faculty of Sciences, Lucian Blaga University of Sibiu, I. Raţiu Street 5–7, 550012 Sibiu, Romania
Saša Marić: Faculty of Biology, University of Belgrade, Studentski trg 16, 11000 Belgrade, Serbia
Kevin Cianfaglione: UMR UL/AgroParis Tech/INRAE 1434 Silva, Facculté des Sciences et Techniques, Université de Lorraine, 54506 Vandoeuvre-lés-Nancy, France
Sergey Afanasyev: Ichthyology and River Systems Hydrobiology Department, Institute of Hydrobiology NAS of Ukraine, Geroiv Stalingrada Ave. 12, 04210 Kyiv, Ukraine
Dóra Somogyi: Department of Hydrobiology, Faculty of Science and Technology, University of Debrecen, Egyetem Square 1, 4032 Debrecen, Hungary
Krisztián Nyeste: Department of Hydrobiology, Faculty of Science and Technology, University of Debrecen, Egyetem Square 1, 4032 Debrecen, Hungary
László Antal: Department of Hydrobiology, Faculty of Science and Technology, University of Debrecen, Egyetem Square 1, 4032 Debrecen, Hungary
Ján Koščo: Department of Ecology, Faculty of Humanities and Natural Sciences, University of Prešov, Ul. 17 Novembra 1, 081 16 Prešov, Slovakia
Marko Ćaleta: Faculty of Teacher Education, University of Zagreb, Savaska Cesta 77, 1000 Zagreb, Croatia
Josef Wanzenböck: Research Department for Limnology Mondsee, University of Innsbruck, Mondseestrasse 9, 5310 Innsbruck, Austria
Angela Curtean-Bănăduc: Applied Ecology Research Center, Faculty of Sciences, Lucian Blaga University of Sibiu, I. Raţiu Street 5–7, 550012 Sibiu, Romania

Sustainability, 2022, vol. 14, issue 20, 1-39

Abstract: Throughout their history humans “tamed” not only the Danube River basin land, but also the river and its associated wetlands, drastically influencing their characteristic habitats, associations, communities, and species. One of these flagship endemic fish species in this respect is the European mudminnow ( Umbra krameri Walbaum, 1792), influenced by Danube Basin geography, history, politics, and ecology. A study about this European community concern species in the context of long term human impact on its specific habitats, with potential synergic negative effects of climate change, was treated as highly needed, in an international researchers group initiative to support the efforts to provide hope for preserving this fish species and its ecosystems, and brought it back from the brink of extinction. All the characteristic inventoried wetlands which were or some of them still are natural, semi-natural, or accidental anthropogenic habitats, reveal an accentuated diminishing trend of this species areal continuity; fragmentation being the force which skewed it drastically untill now, and inducing diminishing the specific habitats quantitative and qualitative characteristics in the Danube Basin where these fish fight for survival. The main categories of human activities which impacted the climate changes in the context of this species’ habitats are: water regulation, pollution, dredging, draining, and introduction of non-native species. Overall, the diverse human impact in a climate changes in the context of this species’ habitats, Umbra krameri wetlands, creates serious perspectives on negatively influencing this at a very high scale and level. All the inventoried wetlands where Umbra krameri still survive can be considered an ecologically managed as a refuge and stepping stone wetlands, especially in the increasing climate change trend situation. Supplementary inventory studies in the field should be done for the identification of some may be unknown Umbra krameri habitats and populations.

Keywords: drought; habitat degradation; refugees; endemic fish; isolation; risk management (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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