<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Buško Blato Reservoir, the third largest hydro accumulation in Europe, is situated in the south-eastern part of the karstic Livanjsko Polje Valley. This aquatic ecosystem is distinguished by a very rich ichthyofauna and the presence of four endemic fish species. Numerous studies focus on ichthyological researches of Buško Blato Reservoir. Its ichthyofauna has been exposed to changes in ecological factors, which in turn reflected on the structure and composition of fish populations. The main objective of this paper was to assess the current state and predict future trends in the ichthyofauna structure and dynamics based on the field data and comprehensive analyses of literature data. The results of the research indicated the presence of 11 fish species from four families, which is the largest number of fish species ever recorded in this ecosystem. <italic>Sander lucioperca</italic>, <italic>Lepomis gibbosus</italic>, <italic>Pseudorasbora parva</italic> and <italic>Tinca tinca</italic> were recorded for the first time in this ecosystem, while some previously recorded species were not found. The results of the analyses clearly indicate the presence of natural interspecific competition and significant level of threats to the endemic fish species caused by human activities.</p></abstract>

Buško Blato Reservoir, the third largest hydro accumulation in Europe, is situated in the south-eastern part of the karstic Livanjsko Polje Valley. This aquatic ecosystem is distinguished by a very rich ichthyofauna and the presence of four endemic fish species. Numerous studies focus on ichthyological researches of Buško Blato Reservoir. Its ichthyofauna has been exposed to changes in ecological factors, which in turn reflected on the structure and composition of fish populations. The main objective of this paper was to assess the current state and predict future trends in the ichthyofauna structure and dynamics based on the field data and comprehensive analyses of literature data. The results of the research indicated the presence of 11 fish species from four families, which is the largest number of fish species ever recorded in this ecosystem. Sander lucioperca, Lepomis gibbosus, Pseudorasbora parva and Tinca tinca were recorded for the first time in this ecosystem, while some previously recorded species were not found. The results of the analyses clearly indicate the presence of natural interspecific competition and significant level of threats to the endemic fish species caused by human activities.

Long-Term Trends in the Structure and Dynamics of the Fish Communities in Buško Blato Reservoir

University of Sarajevo-Institute for Genetic Engineering and Biotechnology

Croatian Journal of Fisheries

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Buško Blato Reservoir, the third largest hydro accumulation in Europe, is situated in the south-eastern part of the karstic Livanjsko Polje Valley. This...

Long-Term Trends in the Structure and Dynamics of the Fish Communities in Buško Blato Reservoir

Publié en ligne: 12 juin 2020

Pages: 69 - 78

Reçu: 31 déc. 2019

Accepté: 04 mars 2020

DOI: https://doi.org/10.2478/cjf-2020-0007

Mots clés
Endemic species, Ichthyofauna, Interspecific competition, Invasive species

© 2020 Aldijana Mušović et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Long-Term Trends in the Structure and Dynamics of the Fish Communities in Buško Blato Reservoir

Publié en ligne: 12 juin 2020

Pages: 69 - 78

Reçu: 31 déc. 2019

Accepté: 04 mars 2020

DOI: https://doi.org/10.2478/cjf-2020-0007

Mots clésEndemic species, Ichthyofauna, Interspecific competition, Invasive species

© 2020 Aldijana Mušović et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Mots clés
Endemic species, Ichthyofauna, Interspecific competition, Invasive species