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Ecomindmap Markermeer

Ecomindmap is a tool which we are developing in the programme Building with Nature. This is an example of the filled framework for the Markermeer (Lake in the Netherlands)

Tessa van der Wijngaart

on 9 November 2012

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Transcript of Ecomindmap Markermeer

Ecosystem Structures Substances Species Hydrology Maintenance System conditions Markermeer Ecosystem services Governance
Society Ecomindmap Temperate climate, climate change
Wind is important weather characteristic dikes prevent water to reach lake shores
hard shore substrate
change in time from clay substrate to fine silty substrate (water bed)
700 km2 surface area decline in algea in time
submerged plants (charales and potamogeton) present in shallow areas, decline
feeding (fish and plants) and nesting habitat for (migratory) birds
decline zebra mussels and european smelt in time change from salt water to fresh water
high silt concentrations
low light level in water
decline in nutrients because of construction Houtribdijk water level in summer is higher than in winter
minor fluctuations in water level water level management
mowing of plants on shores provisioningservices regulating services supporting services cultural services fish
water for agriculture, drinking water and cooling water
transportation connection
energy (wind)
sand climate regulation
purification of water flood protection
ground water recharge
nutrient cycling various forms of water recreation, eg. sailing, fishing, surfing, motor boats
nature viewing
aesthetics Stakeholders Decision makers Legislators national government of the Netherlands
local governments: provinces and municipalities
water boards and Rijkswaterstaat (RWS)
EU people living nearby
nature organizations
interest groups
companies national: important in 'wet axis' and Delta program (water safety)
EU: natura 2000 and Water Framework Directive - + - - decline in fish stock wind water plants not wanted
for recreation use of water asks for water level management climate change causes more flooding risks water boards and RWS perform maintenance legislation asks for measures
to improve nature quality and
minimizing flood risks - before
development of infrastructure
and building of houses recreationists cause
disturbance to species - - high turbidity
main issue for
improving nature
Full transcript