Scientific Reports (Research Reports)

Supplemental information

Title: Biological proliferation of cesium 137 through the detrital food chain in a forest ecosystem in Japan

Masashi Murakami, Nobuhito Ohte, Takahiro Suzuki, Nobuyoshi Ishii, Yoshiaki Igarashi and Keitaro Tanoi

Table S1. List of specimen examined in the present study. For 137Cs values, ± standard deviations of the measurements were shown. BDL shows the below detection limit at the 137Cs measurements (ca. < 5.0 Bq/kg).

Compartment / Class / Order / species / notes / Functional groups / Sampling date / 137Cs (Bq/kg) / ± sd (Bq/kg) / d15N (‰)
Fish / Actinopterygii / Cypriniformes / Rhodeus ocellatus ocellatus / Aquatic consumer / 2012.6.28 / 1.73E+03 / 4.25E+01 / 7.45
Misgurnus anguillicaudatus / Aquatic predator / 2012.6.28 / 2.23E+03 / 4.28E+01 / 6.98
2 / 2012.5.17 / 4.42E+03 / 1.03E+02 / 8.93
Amphibian / Amphibia / Caudata / Cynops pyrrhogaster / 2012.6.27 / 9.62E+02 / 2.85E+01 / 4.48
2 / 2012.5.17 / 6.02E+03 / 1.65E+02 / 4.59
Anura / Hyla japonica / Aquatic predator / 2012.6.28 / 5.63E+03 / 1.14E+02 / 4.01
2 / 2012.6.29 / 1.05E+04 / 3.35E+02 / -2.42
3 / 2012.5.17 / 1.63E+04 / 4.68E+02 / 0.97
4 / 2012.5.17 / 4.50E+03 / 1.20E+02 / 2.48
Hyla sp. 1 / larvae / Aquatic consumer / 2012.6.27 / 4.28E+03 / 1.30E+02 / 5.26
2 / larvae / 2012.6.28 / 3.61E+03 / 1.20E+02 / 5.06
Rana rugosa / Aquatic predator / 2012.6.29 / 1.53E+03 / 1.17E+02 / 7.78
2 / 2012.5.17 / 1.23E+03 / 6.76E+01 / 5.25
Rana porosa / Aquatic predator / 2012.6.29 / 1.72E+03 / 1.69E+01 / 4.08
2 / 2012.6.29 / 4.07E+03 / 3.21E+01 / -3.20
Reptile / Reptilia / Squamata / Elaphe climacophora / Terrestrial predator / 2012.6.27 / 8.57E+03 / 7.49E+01 / 5.08
Takydromus tachydromoides / Terrestrial predator / 2012.6.27 / 3.89E+04 / 4.73E+02 / 1.34
2 / 2012.6.28 / 9.59E+03 / 2.92E+02 / 5.65
Arthropod / Arachnida / Araneae / spp. / orb web spider / Terrestrial predator / 2012.5.17 / 2.77E+03 / 5.45E+02 / 1.70
sp.1 / ground dwelling spider / Terrestrial predator / 2012.6.29 / 2.23E+03 / 1.72E+02 / 5.41
sp.2 / Terrestrial predator / 2012.6.28 / 5.76E+02 / 4.96E+01 / 3.18
Insecta / Lepidoptera / Arctia caja / larvae / Herbivore / 2012.7.26 / BDL / - / 0.06
sp.1 / larvae / Herbivore / 2012.6.28 / 6.43E+02 / 7.34E+01 / 3.77
sp.2 / larvae / Herbivore / 2012.6.28 / 2.20E+02 / 2.49E+01 / 2.34
sp.3 / larvae / Herbivore / 2012.6.28 / BDL / - / 3.08
Trichoptera / sp. / larvae / Aquatic consumer / 2012.5.17 / 1.14E+03 / 2.23E+02 / -2.46
Ephemeroptera / Ephemera strigata / larvae / Aquatic consumer / 2012.5.17 / 6.48E+03 / 2.76E+02 / 2.21
Odonata / Sympetrum frequens / Terrestrial predator / 2012.5.17 / 7.51E+02 / 2.08E+02 / 7.16
Ischnura asiatica / Terrestrial predator / 2012.6.28 / 3.60E+02 / 8.16E+01 / 6.53
Anax parthenope julius / Terrestrial predator / 2012.7.26 / 2.47E+02 / 5.69E+01 / 8.48
spp. / larvae / Aquatic predator / 2012.6.27 / 1.72E+03 / 8.80E+01 / 3.60
spp. / larvae / Aquatic predator / 2012.5.17 / BDL / - / -0.95
spp. / larvae / Aquatic predator / 2012.5.17 / 3.67E+03 / 1.63E+02 / 5.85
Diptera / Bibionidae sp.1 / larvae / Terrestrial detritivore / 2012.11.5 / 2.88E+04 / 3.74E+02 / 7.88
2 / larvae / 2012.11.5 / 3.20E+04 / 4.16E+02 / 7.28
Orthoptera / sp. 1 / Herbivore / 2012.6.28 / 4.51E+02 / 3.53E+01 / 1.92
sp. 2 / Herbivore / 2012.6.28 / 2.02E+02 / 2.48E+01 / -1.53
Mantodea / Tenodera aridifolia / Terrestrial predator / 2012.5.25 / BDL / - / 1.93
Hemiptera / Appasus japonicus / Aquatic predator / 2012.5.17 / BDL / - / 2.42
Coleoptera / sp. 1 / Terrestrial detritivore / 2012.6.28 / 5.97E+02 / 3.74E+01 / 3.00
Cybister japonicus / Aquatic predator / 2012.6.29 / BDL / - / 3.14
Hydrophilus acuminatus / Aquatic detritus / 2012.5.17 / BDL / - / 5.68
2 / Aquatic detritus / 2012.5.17 / BDL / - / 3.63
Malacostraca / Isopoda / Asellus hilgendorfi / Aquatic detritus / 2012.5.17 / 1.81E+03 / 2.89E+02 / -0.06
Oligochaeta / Oligochaeta / Haplotaxida / sp. 1 / Terrestrial detritivore / 2012.6.28 / 3.73E+04 / 3.95E+02 / 2.34
Molluscus / Gastropoda / Architaenioglossa / Pomacea canaliculata / Aquatic consumer / 2012.6.29 / 6.39E+02 / 1.80E+01 / 7.61
2 / 2012.5.17 / 1.18E+03 / 4.40E+01 / 11.85
Plant / Equisetopsida / Equisetales / Equisetum arvense / leaf / Plant / 2012.6.28 / 1.35E+03 / 4.14E+01 / 8.73
2 / leaf / 2012.6.28 / 9.75E+02 / 4.99E+01 / 1.77
Magnoliopsida / Polygonales / Fallopia japonica / leaf / Plant / 2012.6.28 / 1.34E+02 / 1.02E+01 / 5.33
Magnoliopsida / Fabales / Pueraria lobata / leaf / Plant / 2012.6.28 / 3.97E+02 / 4.58E+01 / 3.02
2 / leaf / 2012.6.28 / 8.61E+01 / 2.61E+01 / -0.48
Magnoliopsida / Magnoliales / Magnolia salicifolia / leaf / Plant / 2012.5.17 / 2.54E+03 / 1.50E+02 / -2.87
Magnoliopsida / Asterales / Petasites japonicus / leaf / Plant / 2012.6.28 / 1.10E+03 / 3.34E+01 / -0.89
2 / leaf / 2012.6.28 / 9.50E+02 / 3.36E+01 / 0.63
Magnoliopsida / Rosales / Potentilla hebiichigo / leaf / Plant / 2012.6.28 / 1.45E+04 / 1.68E+02 / -2.18
2 / leaf / 2012.6.28 / 5.94E+03 / 1.00E+02 / 0.45
Pteridopsida / Polypodiales / Dryopteris crassirhizoma / leaf / Plant / 2012.6.28 / 2.16E+04 / 2.66E+02 / 0.31
2 / leaf / 2012.6.28 / 1.11E+03 / 4.28E+01 / 0.00
Bacillariophyceae / Pennales / spp. / algae / Algae / 2012.6.29 / 1.22E+04 / 1.43E+02 / -1.38
spp. / algae / Algae / 2012.6.27 / 1.36E+04 / 1.61E+02 / 4.86
spp. / algae / Algae / 2012.2.27 / 8.84E+03 / 1.38E+02 / 0.29
spp. / algae / Algae / 2012.6.28 / 1.12E+04 / 1.74E+02 / 2.62
spp. / algae / Algae / 2012.2.27 / 8.35E+03 / 2.00E+02 / 0.80
Fungi / Hymenomycetes / Agaricales / Lentinula edodes / fungi / Fungi / 2012.5.17 / 7.68E+03 / 9.28E+01 / -2.21
sp.1 / fungi / Fungi / 2012.5.17 / 2.66E+03 / 1.58E+02 / 6.83
sp.2 / fungi / Fungi / 2012.5.17 / 1.54E+04 / 2.87E+02 / 3.89
Detritus / detritus at bottom of pool / Aquatic detritus / 2012.6.29 / 2.44E+03 / 2.08E+01 / 2.59
detritus at bottom of pool / Aquatic detritus / 2012.5.17 / 8.67E+02 / 1.80E+01 / 3.56
leaf litter at forest floor / Leaf litter / 2012.6.29 / 6.87E+04 / 2.65E+02 / -4.51
leaf litter at forest floor / Leaf litter / 2012.6.29 / 1.03E+05 / 5.47E+02 / -3.66
leaf litter at forest floor / Leaf litter / 2012.2.27 / 1.12E+04 / 1.74E+02 / 0.63
leaf litter at forest floor / Leaf litter / 2012.6.29 / 3.19E+05 / 6.97E+02 / -2.49
leaf litter in stream / Aquatic detritus / 2012.5.17 / 3.90E+03 / 1.07E+02 / 5.28