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5,000 Sterlets released into Danube
Belene, 18 November 2014. WWF has released some 5,000 sterlets into the Danube River today as part of a 50,000-strong sturgeon restocking programme. This is the first restocking of endangered sturgeons performed by a non-government organization in Bulgaria, after years of scientific research, climatic and biological challenges.
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Recommendations: BAT for Agriculture (36.46 KB)
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National Practices concerning the Monitoring of Waste Water Discharges (189.42 KB)
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TNMN Yearbook 2001 Annex (812.5 KB)
Water Quality Yearbook 2001 - Data available from 100 sampling points -
TNMN Yearbook 2001 - Annex Data (1.53 MB)
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TNMN Yearbook 2001 - Chapter 8 (high resolution) (3.92 MB)
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TNMN Yearbook 2001 - Chapter 7 (high resolution) (3.13 MB)
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TNMN Yearbook 2001 (2.05 MB)
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JDS Summary Report 2002 - German (1.91 MB)
Gesetzlicher Rahmen, Vorbereitung der Donau-Untersuchung, Untersuchungsergebnisse, Der oeِkologische Zustand der Donau und ihrer Nebenflüsse, Der chemische Zustand der Donau und ihrer Nebenflüsse... -
JDS Summary Report 2002 (2.27 MB)
Institutional Background, Preparing the Joint Danube Survey, Findings of the Survey, Ecological Status of the Danube and its Major Tributaries, Chemical Status of the Danube and its Major Tributaries...