streams as “green energy” source for biodiversity and purification in changing climate...
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Streams as “Green energy” source for Biodiversity and Streams as “Green energy” source for Biodiversity and Purification in Changing Climate Conditions. Purification in Changing Climate Conditions. Developing Initiative “Place a Stone in the Stream”Developing Initiative “Place a Stone in the Stream”
Andris Urtāns Andris Urtāns Nature Conservation Agency, August 22, 2012.Nature Conservation Agency, August 22, 2012.
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“Man and Biosphere”
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Biosphere reserves are areas of innovation aimed to achieve balance in Nature Conservation and social and economical development
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Energy consumption. Europe at night
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Basics about water
1. Water is:
• Universal solvent,
• Transmitter of energy and matter,
• Media for physical, chemical and biochemical reactions,
• Living space.
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Energy transform matter and ends in the Baltic www.bnsc.gov.uk/.../Pollution/8073.aspx
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General information
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General Information
• Area of Latvia 64 00 sq.km, Population about 2 mln,
• 12.4 thousand watercourses and 2000 lakes
• Water (lakes &rivers) covers about 2,4% of Latvia
• Total length of rivers about • 37 500km• 777 streams longer than 10 km• About 30% of total stream
length are meliorated (Deepened, straigthened etc)
• 17 rivers longer than 100 km• 2 rivers longer than 300 km• Beavers 100.000
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Visualisation of Non-intervention approach in rivers. Eutrophication, Sedimentation,Tunnelling, Beaver
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River as an open System. Differencies of historically extensive management and Non-intervention approach
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Climate Change; Mean Summer Climate Change; Mean Summer temperature (VI-VIII) 2000., 2050., 2100. temperature (VI-VIII) 2000., 2050., 2100.
Temperature increase in 2100. Temperature increase in 2100. comparing with 2000.comparing with 2000.
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Latvian rivers becomes silent.
Listen :Living river feature – You can hear it !!!
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Initiative “Place a Stone in the Stream””
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The Aim of the Initiative :
• Support and increase Biodiversity in rivers,
• Improve river functionality and selfpurification capacities,
• Improve functionality of river Coastal zone and shape river landscape,
• Adapt possible Climate Change impacts on to the river ecosystem,
• Raise citizen awareness and motivation through practical involvement.
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Stone Phenomenon
• Stones as a diverse microhabitats
• Stone surface covered with “biofilm” acting as wastewater treatment unit
• Stones as an mechanical aeration units (especially during summer periods with low natural oxygen saturation)
• Possible innovative Climate Change adaptation tool.
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5 – 10 kv.m riffle area transforms wastes generated by one person
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Stone surface
• If covered by erosional sediment, stone surfaces becomes inactive,
Foto: L.Engele
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Misused possible Ecosystem services
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Giving back river functionalty
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Giving back river functionality
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Community involvement
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Sun, good company and visible result seen by physicists, Estonian environmentalists, NGOs, Head of Municipality
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Vidzeme Planning Region Administration and representatives from Mass media in River Vaive 2011
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Leaflet produced on processes in rivers and how to install stones
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Education and Voluntary River Quality Assessment scheme promoting involvement in practical activities
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Many enjoy visibility of result. Initiative is supported by the UNESCO Latvian National Commission
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Results
• Reopening of silted stones and their clusters or installation of new stones provides multi level impacts on water chemistry, biological diversity and general quality.
• According to literature 5 – 10 sq.m riffle area transforms organic matter generated by one person, i.e. acts as local wastewater treatment unit.
• More diverse riverside landscape.• Innovative low cost and locally viable Climate
Change adaptation tool.
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Conclusion
• Equipped with knowledge and right motivation we can use energy of our rivers improving their selfpurification capacity and saving biodiversity in changing Climate conditions.
• And we are not small screws in big World. There is sense in what we are doing . We are needed here and now.