Παρουσίαση του powerpoint · h / e) average accumulation of beach stranded litter pl....
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dystopian future
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Marine litter can be found throughout the entire marine environment; from
coastal areas to mid-oceans and from the sea surface to the seabed.
A Plastic Bag Was Found at The Deepest Point on Earth
(JAMSTEC)
Plastic pollution lying on remote frozen ice floes in the middle of the Arctic Ocean. Photograph: Conor McDonnell
A. Jamieson, 2017
Marine plastic debris has impacted over 600 marineSpecies.Convention on Biological Diversity, 67 (2012)
Plastic trash will be found in 99.8% of seabirds in 2050.Wilcox et al (2015) Proceedings of the National Academy of Sciences - PNAS
40 billions $
Colonization and encrustation on plastic debrisIoakeimidis et al., 2016Aegean Sea
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Saronic Gulf: 100 – 3400 items/km2Patras Gulf: 72 – 437 items/km2
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Hydrodynamic POM Model (~3Km), operational within the POSEIDON forecast
system
Transport of floating litter particles
Politikos et al., 2017
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Which is the impact
of the
awareness/info
campaigns in the
“real” environment?
Petrou, 2011
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Innovative monitoring actions
0
20000
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100000
120000
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160000
0
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BEA
CH
LIT
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(NO
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IC B
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S)A
CC
UM
ULA
TIO
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PLA
STIC
BA
G A
CC
UM
ULA
TIO
N R
ATE
(ITE
MS/
MO
NTH
/HEC
TAR
E)Average accumulation of beach stranded litter
Pl. bagsRest of litter… >70%
reduction in beach litter
accumulation in 2.5 years
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Bathymetric
depressions
Bathymetric
depressions
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1000 hectares
72 km tracklines
3675 Benthic litter (8.5% plastic bags)
60% reduction in plastic bags’ and 44% in all benthic litter
densities on the seafloor
Temporal variations of beach stranded and
benthic litter
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Actions
Monitoring of
marine
environment
New approaches
New materials
Legislative framework*
Environmental
Behavior
Awareness campaigns
* Single use plastics