Management strategies in protection and restoration of sturgeon biodiversity in Bulgaria
2009
Hubenova, T., Institute of Fisheries and Aquaculture, Plovdiv (Bulgaria) | Uzunova, E., University Sofia (Bulgaria). Faculty of Biology, Department of General and Applied Hydrobiology, | Zaikov, A., Institute of Fisheries and Aquaculture, Plovdiv (Bulgaria)
The aim of this study is to outline the current status of the wild sturgeon populations in the Bulgarian part of the Danube River and the Black Sea and the management practices applied in Bulgaria with the aim of protection and restoration of the sturgeon populations. In conclusions the analysis done has shown the necessity of adequate measures directed towards: increasing the control upon sturgeon species protection on behalf of the authorized bodies of fishery control of IARA and the National Forestry Management, with the purpose of terminating poacher catches; increasing the quantities of restocking material, mainly from Beluga, accompanied by its tagging and tracing of its survivability up to reaching a different age; the growth of the sturgeon aquaculture and the increase of the production capacity and efficiency; development of programs for support for the fish farms in the country, producing stocking material, for example financial support by the Government, low-interest credits, structural funds financial support by the EC; рrotection of the regions, where spawn sites of sturgeon can be found; investigations concerning sturgeon populations status (age-and size structure), identification of the different species on the basis of gen markers, with the purpose of termination the poacher trade, etc. The strengthening and harmonization of the national legislation and the implementation of the Action Plan for Conservation of Sturgeons in the Danube River Basin should be directed towards achievement of the main purpose of АР – sustainable management and restoration of the natural habitats and migratory movements of the sturgeons. Together with the already existing national and international instruments, the AP might provide important instruments and mechanisms to avoid the complete extinction of the sturgeons in the Danube River and the Black Sea.
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