enwama meeting in budapest 27.-30. 9. 2009 corvinus university
DESCRIPTION
ENWAMA meeting in Budapest 27.-30. 9. 2009 Corvinus University. Černý potok stream, June 2009. http://www.ustinadlabem.ochranaprirody.cz/index.php?cmd=page&id=5075. August 2009, web AOPK ÚL (Agency for Nature Conservation and Landscape Protection of the CR). - PowerPoint PPT PresentationTRANSCRIPT
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ENWAMA meeting in Budapest 27.-30. 9. 2009Corvinus University
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Černý potok stream, June Černý potok stream, June 20092009
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http://www.ustinadlabem.ochranaprirody.cz/index.php?http://www.ustinadlabem.ochranaprirody.cz/index.php?cmd=page&id=5075cmd=page&id=5075
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August 2009, web AOPK ÚL (Agency for August 2009, web AOPK ÚL (Agency for Nature Conservation and Landscape Nature Conservation and Landscape
Protection of the CR)Protection of the CR)
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River Cai, Nha Tranh, River Cai, Nha Tranh, Vietnam, eroded bankVietnam, eroded bank
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River Cai, Nha Tranh, River Cai, Nha Tranh, Vietnam, sediments Vietnam, sediments
deposits in the other bankdeposits in the other bank
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We have to hold water in We have to hold water in the catchment areathe catchment area
PoolsPools
WetlandsWetlands(www.etf.cuni.cz)
(www.hostivice.cz)
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Blind stream Blind stream branchesbranches
Planting of vegetationPlanting of vegetation
(www.elateridae.com)(www.dotace.natura.cz)
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SkerneSkerne
River length: 40 kmRiver length: 40 km
Basin area: 250 kmBasin area: 250 km22
1995 – 1998 1995 – 1998
rehabilitation of 2 km rehabilitation of 2 km
riverriver
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Obnova peřejíObnova peřejí
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Two stage channel designTwo stage channel design
Left trapezoidal channel, right rehabilitated two stage channel. Source: Promoting Naturalized Drainage Channel Design, Ohio, USA, 2003
Two stage channel design, Part 654 Stream Restoration Design, National Engineering Handbook, US department of Agriculture, Natural Resources Conservation Service, Chapetr 10, 2007
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Advantages Advantages
FinanceFinance Better ecosystemBetter ecosystem Better in low runoffsBetter in low runoffs Flood protectionFlood protection Good in sedimentation Good in sedimentation
transporttransport Farming basins with small Farming basins with small
slopeslope Farming land from both Farming land from both
sidessides
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Chabařovice lake – juvenile fish Chabařovice lake – juvenile fish catching with netcatching with net
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Eutrophication lake – small Eutrophication lake – small fish catchingfish catching
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Upper small lake above Upper small lake above Chabařovice lakeChabařovice lake
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Chabařovice lakeChabařovice lake
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Eutrophication small lake above Eutrophication small lake above Chabařovice lakeChabařovice lake
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„„MostMost““ artificial lake – artificial lake – flooding of closed lignite flooding of closed lignite
minemine
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Lake near town MostLake near town Most
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Small lake above lake Most Small lake above lake Most – juvenile fish catching – juvenile fish catching
placeplace
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Experiments Experiments
Juvenile fish catching with small net – successfull
Plankton samples taking – successfull (depends on level of flooding and place of taking sample)
Cooperation with Academy of Science – Hydrobiological Institute in České Budějovice town
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References References
Manual of River Restoration TechniquesManual of River Restoration Techniques, 2002,, 2002,
River Restoration Centre, Silsoe, UK,River Restoration Centre, Silsoe, UK,
<<http://www.therrc.co.uk/rrc_manual_pdf.php>>
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