5/7/2015 Sea-based measures to mitigate eutrophication - - PowerPoint PPT Presentation

▶

Oct 04, 2022 258 likes •378 views

5/7/2015 Sea-based measures to mitigate eutrophication Philip Axe 1 Presentations Governance background Science Background Four larger scale projects Five smaller scale projects

SLIDE 1

5/7/2015 Sea-based measures to mitigate eutrophication Philip Axe 1

SLIDE 2

Presentations

Governance background
Science Background
Four larger scale projects
Five smaller scale projects
Panel discussion

5/7/2015 Sea-based measures to mitigate eutrophication Philip Axe 2

SLIDE 3

Science background

5/7/2015 Sea-based measures to mitigate eutrophication Philip Axe 3

SLIDE 4

Large-scale projects: Aluminium precipitation

5/7/2015 Sea-based measures to mitigate eutrophication Philip Axe 4

SLIDE 5

Pumping / Oxygenation

5/7/2015 Sea-based measures to mitigate eutrophication Philip Axe 5

SLIDE 6

Sediment removal

5/7/2015 Sea-based measures to mitigate eutrophication Philip Axe 6

SLIDE 7

Treated marl

5/7/2015 Sea-based measures to mitigate eutrophication Philip Axe 7

SLIDE 8

Smaller scale projects

Crop irrigation with eutrophic water
Production wetlands: eutrophication to biogas
Large scale mussel farming
(Problems with) artificial oxygenation
Biomanipulation (planktivore removal)

5/7/2015 Sea-based measures to mitigate eutrophication Philip Axe 8

SLIDE 9

Panel discussion

Maria Laamanen (Finnish Ministry of

Environment)

Mikhail Durkin (Eco Balt)
Sif Johansson (Mistra EviEM)
Pauli Merriman (WWF)
Karl-Johan Lehtinen (NEFCO)

5/7/2015 Sea-based measures to mitigate eutrophication Philip Axe 9

SLIDE 10

Wrap-up

Lena Viktorsson (Baltic Sea Centre, SU)
3 strategies for reducing eutrophication
Societal / behavioural
Discharges
In-situ
Must reduce loads, but none of these activities exclude the others.

5/7/2015 Sea-based measures to mitigate eutrophication Philip Axe 10