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Influx of Portuguese Man O War and By-the-Wind-Sailors into UK
waters 2003-2017Dr Victoria Hobson
Photo: Lloyd Jones @KrakenDiving@vjhobson
Dr Peter Richardson, Dr Matt Witt, Dr Stephen Pikesley
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Data Source:
www.mcsuk.org/sightings
Register with observer details
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Data Source: www.mcsuk.org/sightings
Location
Species and how many
Where were you and where was the animal?
How far away was the animal?
Where and when was the sighting?
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Data In 2017
1696 jellyfish sightings
466 were PMoW
72 were BTWS
Photo: Dr Peter Richardson, MCSUK
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Sightings
0
10
20
30
40
50
60
2003 2005 2007 2009 2011 2013 2015 2017
Perc
enta
ge
Year
Portuguese Man-o-WarBy-the-wind-sailors
2013-2017 2017
850+ PMoW 466 PMoW
450+ BTWS 72 BTWS
Photo: Delia Webb
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Seasonal
0
5
10
15
20
25
30
35
40
45
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Perc
enta
ge
Month
Portuguese Man o WarBy-the-wind-sailors
Photo: Delia Webb
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2003-2017 Portuguese Man-o-War By-the-wind-sailors
Photo courtesy of MCSPhoto: Delia Webb
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2017Portuguese Man-o-War By-the-wind-sailors
Photo courtesy of MCSPhoto: Delia Webb
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JanMarAprJunJul
SeptOctNovDec
Portuguese Man-o-War By-the-wind-sailors2017
AugOctNovDec
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Where do they come from?
Wind?
Ocean currents?
Can we predict?
Ferrer et al. 2017
http://markteri.blogspot.co.uk
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With thanks
Dr Victoria Hobson@vjhobson
Please continue to report:www.mcsuk.org/sightings