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https://open.uns.ac.rs/handle/123456789/8720
Назив: | Past and present of and perspectives for the Danube huchen, Hucho hucho (L.), in the Danube basin | Аутори: | Witkowski A. Bajić, Aleksandra Treer T. Hegediš A. Marić, Slobodan Šprem N. Piria M. Kapusta A. |
Датум издавања: | 1-сеп-2013 | Часопис: | Archives of Polish Fisheries | Сажетак: | Huchen, Hucho hucho (L.), also known as Danube salmon, is an iconic, endemic species inhabiting the Danube basin of Central Europe. Historically, the Danube huchen inhabited a significant portion of the Danube drainage basin stretching to the Iron Gate and the majority of large and medium-sized tributaries. Larger populations in the natural zoogeographical distribution of Danube huchen were once found in Austria, Bavaria, the former Yugoslavia, Slovakia, and western Ukraine. Currently, the species is severely fragmented within the Danube drainage, where most populations exclusively depend on stocking and natural reproduction is very limited due to habitat alterations and flow regime changes. In the Czech Republic and Poland, Danube huchen occurrence is the result of introducing the species to several rivers in the Baltic Sea and North Sea drainage basins. Danube huchen is a threatened species throughout is range of occurrence, and, according to IUCN criteria, it is classified as endangered (EN). Habitat degradation is the most serious negative factor impacting huchen populations. Dam construction, pollution, and river regulation have led to loss and degradation of spawning sites. Detailed research on population abundance and structure is greatly needed to help identify the populations which are most threatened and to help to develop the best protection systems. © Inland Fisheries Institute in Olsztyn, Poland. | URI: | https://open.uns.ac.rs/handle/123456789/8720 | ISSN: | 12306428 | DOI: | 10.2478/aopf-2013-0010 |
Налази се у колекцијама: | FINS Publikacije/Publications |
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