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MICROPLASTICS ALONG THE COAST OF ZANZIBAR
Screening of surface waters around the coast of Unguja, Zanzibar – January 2019
Preliminary resultsElisabeth Lundsør, Sara Rydbeck, Maneno Ibrahim Hamis, Shaib Silima Mnemba, Halima
Mohammed Othman, Alli Nassor
Decreased emissions in the transport
sector
Increased food safety
Improved healthcare
299 million tonnes per year
Plastic is fantastic
• Northpole• Southpole • Bottom of the sea • Isolated mountain lakes • Rivers• Open ocean• In animals, in sediment, in plankton…
Sea of Plastic
4
www.indiegogo.com
Microplastics
• When plastic items break down into smaller pieces
• Syntetic textiles• Marine coating• Tyres• Roadmarking• Plastic pellets• Personal care products
IUCN 2017
Danger by entanglement
Danger by ingestion
Prevous work in Zanzibar
Results from microplastic sampling close to Stonetown in 2016.
Chemical monitoring of marine pollution
Marine litter survey along a 100 m stretch of a beach a few km north of Stone Town.
Staer et al 2018
This study – January 2019
From the field
From the lab
From the microscope
Type and amount of particles
Type and amount of particles found
0
20
40
60
80
100
120
140
Chum01 Chum02 Chum03 Fumb01 Fumb02 Fumb03 Fumb04 Jamb01 Jamb02 Jamb03 Matw01 Matw02 Matw03 Town01 Town02 Town03 Town04
Nu
mb
ero
fp
arti
cles
per
tra
wls
amp
le
film fragment thread
Size fractions of particles found
0
10
20
30
40
50
60
70
80
Chum01 Chum02 Chum03 Fumb01 Fumb02 Fumb03 Fumb04 Jamb01 Jamb02 Jamb03 Matw01 Matw02 Matw03 Town01 Town02 Town03 Town04
Nu
mb
ero
fp
arti
cles
per
tra
wls
amp
le
0.3mm
1mm
5mm
Prevention
Recycle
Clean up
Design and production Usage and
consumption
Collection and waste
managementMaterial
and energyrecycling
Clean up
Solutions?
What can we do in Zanzibar?
• AWARENESS
• Local engagement
• Solid waste management
• Public education
• Private sector involvement
• Cooperation between government, private sector and public society
• Mr Rune Hashim
• Mwambao
• One Ocean dive center
• Safari Blue
• Chumbe Island Coral park
• Marine cultures
• Institute of Marine Research (Norway)
Ahsante sana:
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