Table 1 List of sampling sites, locality, sampling date, and collected samples in the present study
Site | Locality | Sampling dates | Surveyed environment | Collected samples | |||
|---|---|---|---|---|---|---|---|
Gastropoda | Bivalvia | Other invertebrates | Substrates | ||||
Outside of Tokyo Bay | |||||||
 A | Kominato | Aug 2013, Oct 2016, Jul 2017 | Rocky shore | Cellana nigrolineata, Patelloida saccharina lanx, Lottia dorsuosa, Haliotis diversicolor aquatilis, Haliotis gigantea, Haliotis discus discus, Omphalius pfeifferi pfeifferi, Monodonta confusa, Turbo sazae, Lunella coreensis, Lyncina vitellus, Thais clavigera | Pinctada martensii | Ishnochitonidae sp., Liolophura japonica, Cryptoplax japonica, Hymeniacidon sinapium, Demospongiae sp. |  |
 B | Chikura | Jul 2012, Mar 2013, Jul 2016 | Fishery habor | Batillaria attramentaria | Crassostrea gigas, Saccostrea kegaki | Liolophura japonica, Hymeniacidon sinapium |  |
 C | Okinoshima | Jul 2013 | Rocky shore | Patelloida saccharina lanx, Omphalius pfeifferi pfeifferi, Trochus sacellus rota, Monoplex parthenopeus, Thais clavigera | Crassostrea gigas, Saccostrea kegaki | Liolophura japonica |  |
 D | Tomiura | Aug 2013, Apr 2016 | Fishery habor | Cellana nigrolineata, Patelloida saccharina lanx, Omphalius pfeifferi pfeifferi, Trochus sacellus rota, Turbo stenogyrus, Monoplex parthenopeus, Thais clavigera | Hyotissa inermis, Crassostrea gigas, Crossostrea nippona, Saccostrea kegaki |  |  |
 E | Takeoka | Jun 2014 | Rocky shore, Fishery habor | Chlorostoma lischkei, Omphalius rusticus, Calliostoma unicum, Monoplex parthenopeus, Monodonta confusa, Thais clavigera | Crassostrea gigas, Saccostrea kegaki | Liolophura japonica |  |
 F | Kannonzaki | Jul 2013 | Rocky shore | Patelloida saccharina lanx, Chlorostoma lischkei, Omphalius rusticus, Monodonta confusa, Thais clavigera | Anomia chinensis, Crassostrea gigas, Saccostrea kegaki | Liolophura japonica |  |
 G | Ena | Aug 2013, Jun 2016 | Tidal flat |  | Crassostrea gigas |  | Bottom sediment |
 H | Bishamon | May 2014 | Tidal flat |  |  |  | Bottom sediment |
 I | Jyogashima | Aug 2012, Aug 2013, Aug 2014 | Rocky shore, Fishery habor | Haliotis diversicolor aquatilis, Haliotis gigantea, Haliotis discus discus, Chlorostoma lischkei, Omphalius rusticus, Omphalius pfeifferi pfeifferi, Turbo sazae, Turbo stenogyrus, Lunella coreensis, Thais clavigera | Ostrea circumpicta (Dead shell), Crassostrea gigas, Crossostrea nippona, Saccostrea kegaki |  |  |
Inside of Tokyo Bay | |||||||
 J | Shiomi | Apr 2014 | Tidal flat |  |  |  | Bottom sediment |
 K | Obitsu | Sep, Nov 2012, Jul, Sep 2014, Apr 2016 | Tidal flat | Batillaria attramentaria, Laguncula pulchella | Crassostrea gigas, Mactra quadrangularis, Ruditapes philippinarum, Meretrix lusoria |  | Bottom sediment |
 L | Kisarazu | Oct 2013, Oct 2014 | Tidal flat, Subtidal |  | Ruditapes philippinarum, Mya arenaria oonogai |  | Bottom sediment (SM grab) |
 M | Mitate | Nov 2014 | Fishery habor |  | Perna viridis, Crassostrea gigas |  |  |
 N | Yoro | May 2013 | Tidal flat | Thais clavigera | Crassostrea gigas, Mactra quadrangularis, Mercenaria mercenaria, Dosinia japonica, Ruditapes philippinarum, Meretrix lusoria, Mya arenaria oonogai |  | Bottom sediment |
 O | Chiba | Apr 2016 | Fishery habor |  | Crassostrea gigas |  |  |
 P | Inage | Apr 2013 | Brackishwater pond |  |  |  | Rock |
 Q | Funabashi | Jun 2013, Nov 2014 | Tidal flat |  | Perna viridis, Crassostrea gigas, Macoma incongrua, Mercenaria mercenaria, Ruditapes philippinarum |  | Bottom sediment |
 R | Sanbanze | Aug 2012, Apr 2013, Jun 2016 | Tidal flat |  | Crassostrea gigas, Mactra quadrangularis, Solen strictus, Dosinia japonica, Ruditapes philippinarum |  | Bottom sediment |
 S | Kasai | Jul 2013, Jul 2014 | Tidal flat |  | Crassostrea gigas, Mercenaria mercenaria, Dosinia japonica, Ruditapes philippinarum, Meretrix lusoria |  | Bottom sediment |
 T | Wakasu | Oct 2012, Jul 2013 | Fishery habor | Littorina brevicula | Mytilus galloprovincialis, Perna viridis, Xenostrobus securis, Crassostrea gigas |  |  |
 U | Odaiba | Sep–Dec 2012, May 2016 | Subtidal | Littorina brevicula | Xenostrobus securis, Crassostrea gigas, Mercenaria mercenaria, Ruditapes philippinarum, Meretrix lusoria | Molgula manhattensis | Bottom sediment (SCUBA) |
 V | Tama | May 2013 | Tidal flat |  | Crassostrea gigas |  |  |
 W | Kanazawa | Jul 2012 | Tidal flat | Glossaulax didyma, Thais clavigera | Crassostrea gigas, Saccostrea kegaki, Ruditapes philippinarum | Liolophura japonica, Acanthochitona achates | Bottom sediment |
 X | Nojima | Jul 2012, Apr 2014 | Tidal flat | Littorina brevicula | Crassostrea gigas | Liolophura japonica | Bottom sediment |