| Autor: |
Apostolos Apostolou, Luchezar Pehlivanov, Michael Schabuss, Horst Zornig, Georg Wolfram |
| Jazyk: |
angličtina |
| Rok vydání: |
2023 |
| Předmět: |
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| Zdroj: |
Fishes, Vol 8, Iss 2, p 91 (2023) |
| Druh dokumentu: |
article |
| ISSN: |
2410-3888 |
| DOI: |
10.3390/fishes8020091 |
| Popis: |
Fish are important elements of aquatic ecosystems. Their communities naturally follow the river continuum and have been well described in the western European freshwater watersheds. In regions of higher endemism, such as the Balkan Peninsula, the widely accepted fish zonation of Illies is doubtfully relevant. In this study, a more suitable categorization of lotic and lentic freshwater ecosystems in Bulgaria is proposed, based on 389 multimethodological and multihabitat fish sampling occasions. Referent-type communities have been determined for 33 types of recognized water bodies. Adapted zonation of Illies is a rough estimation of the real distribution of fish assemblances in the country; moreover, sensitive and/or endemic species are generally of restricted distribution and abundance. In view of the lentic ecosystems, they can be divided into salmonid and cyprinid, at approximately 1500 m above sea level. |
| Databáze: |
Directory of Open Access Journals |
| Externí odkaz: |
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