“Perhaps” 5,000,000 tons of debris How much and what ......“Perhaps” 5,000,000 tons of...
Transcript of “Perhaps” 5,000,000 tons of debris How much and what ......“Perhaps” 5,000,000 tons of...
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JTMD Task Force Meeting - 14 Nov 2013
How much and what biological risk?
John Chapman Dept. Fisheries & Wildlife, HMSC
Oregon State University [email protected]
Acknowledgements: Amy Chapman, Jessica Miller, Jim Carlton, Toshio Furota,
Ralph Breitenstein, Gayle Hansen, Terry Thompson, Leslie Harris, Michio Otani, Masanori Taru
and many, many others
“Perhaps” 5,000,000 tons of debris washed into the Pacific, and perhaps 30% floated away.
NOAA Marine Debris Workshop 1 February 2014
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5 June 2012 – 451 days later: widespread notice of . . . “the float” that we call
Misawa 1
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BIOFOULING SPECIES On Tsunami-Generated Debris from the Japanese Earthquake and Tsunami
Native gooseneck barnacles Length from <1” to >24”
NOT an invasive species & common on marine debris
Examples of organisms not typically on marine debris that could be non-native and invasive
Examples of debris with potentially invasive species
Japanese Kelp Undaria
pinnatifida
Japanese Barnacle Megabalanus rosa
Mussel Mytilus Japanese Oyster
Crassostrea gigas
Newly settled Lepas
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> 120 pilgrims on Misawa 1 Oct 2013 count > 165 species
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Misawa 1 sides were cleaned and buried or burned on 7 June
2012
About 60% got away
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General circulation in northern Pacific
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Ryou-Un Maru Sunk in Gulf of Alaska on 6 April 2012, 392 days after the
Japanese tsunami
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http://www.katu.com/news/local/Hoax-or-real-Could-this-be-more-tsunami-debris-162620346.html
Misawa 2: Hawaii 17 Sept 2012 (18 months, 556 days)
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9/17/12 30 miles off Maui
9/19/12 15 miles off Molokai
9/21/12 location?
~ 42 km-d
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4 concrete floats of the Misawa Fishing Port were carried away
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4 concrete floats of the Misawa Fishing Port were carried away
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Misawa 3 – 644 days later
~ 60 Asian species > 90%
lost
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Misawa 1, Pacific City, OR ~ day 537, June 2012
Additional species are discovered on new debris . . . Which continues to arrive.
Clatsop Beach, 9 Oct 2013 . . . 943 Days
Long Beach,
WA . . . 733
Days
North Pacific around 600 days
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Buoyancy is assumed to be an important determinant of drift rate
Low High
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Direct North Pacific JTMD transits are probably rare. Predicted debris dispersal (image courtesy of NOAA)
http://blogs.oregonstate.edu/breakingwaves/?cat=1702
See the real world:
See the actual wind patterns? : http://earth.nullschool.net/#current/wind/surface/level/overlay=temp/orthographic=179.52,33.92,405
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Types of JTMD Species Species
NotKnowntoOccuronEastPacificCoast
SpeciesAlreadyKnowntoOccur
onthePacificCoast
SpeciesPelagic NotYetIdentified
TotalEstimatedNumberof
AnimalSpecies
Asof
October2012
27(37.5%)
22(30.5%)
3(4%)
20(28%)
72
Atleast11
knowninvasivespecies
Acrocirrussp.
Amphitritesp.Anomiachinensis
Arcanavicularis
CaprellacristibrachiumChrysopetalidaespecies
Dynoidessp.Hemigrapsussanguineus
Hydroidesezoensis
Lepidonotussp.Lottiasp.
Megabalanusrosa
MitrellamoleculinaMopaliaseta
Musculuscupreus
Nereiphyllasp.Nipponacmaehabei
Polydorasp.
SertularellamutsuensisSyllisspp.(n=5)
Temnotremasculptum
Terebellasp.Trypanosylliszebra?
Ampithoe"valida"
Arabellasemimaculata?Asteriasamurensis
Caprellamutica
CibicideslobatulusCrassostreagigas
CryptosulapallasianaEulaliaquadrioculata
Gromia"oviformis"
HalosydnabrevisetosaHarmothoeimbricata
Hiatellaarctica
JassamarmorataMytilusgalloprovincialis
Nereispelagica
OedignathusinermisParastenheliaspinosaSemibalanuscariosus
Syllis"elongata"-complexTricellariasp.
Watersiporasubtorquata
Zeuxonormani
Pteropoda
LepasantiferaConchodermaauritum
Dr. James Carlton, Williams College
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http://www.hawaii.edu/hsrc/home/aqphoto.htm
Telmatogeton?
0
5
10
15
20
25
30
35
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
Cohort 1 Cohort 2
Cohort 3 All
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{
JTMD is the
experimental invasion
Ocean Sprawl Increases Substrate for Polyps
-Duarte et al. (2012) Front. Ecol. Envir.
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WA-OR debris (from 1.5 m JTMD tonnes) One object ~ 100 m * ~ 430 miles * Average wt ~ 80 kg (S. D. + 90 kg)
= ~ 1,000 tonnes WA - OR fraction 1.5 mt JTMD ~ 0.07% ~ 1 / 1,400 th
Measuring JTMD biodiversity, dimensions, density, turnover should be part of the emergency cleanup and response!
JTMD is more than marine debris Little of the floating JTMD has arrived . . . . . YET
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Drs Toshio Furota, myself and Hiroaki Toshuji
Thanks! ありがとう
Who you gonna call?
NOAA MDCH OSU Jessica Miller (Report Form) Oregon Marine Debris Team Sheanna Steingass Blog