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Unnamed: 0 | Unnamed: 1 | Unnamed: 2 | Unnamed: 3
 | Table S1. Brief history of marine biological activities in Japan.
 | Year | Item | Reference
 | 1709 | [NAME] (Japan): Published as a [NAME] (concerning Japanese fauna and flora) | http://www.ndl.go.jp/nature/varie/varie_2.html
 | 1741 | [NAME] (Japan): Published as [NAME], the first marine animal monographs in Japan | http://www.ndl.go.jp/nature/varie/varie_2.html
 | 1833-1850 | Wilhem De Haan (Nederland): Published as Fauna Japonica ([NAME]), 8 [NAME], from [NAME]
 | 1842-1850 | [NAME] and [NAME] (Nederland): Published as Fauna Japonica (Pisces), 16 [NAME], from [NAME]
 | 1871 | Establishment of a Museum in Yushima Seido as part of the observational facilities of the Ministry of Education Museum Division (Present NMNS1)
 | 1873-1876 | [NAME] (German): Professor of natural history in Tokyo Medical School. Faunal study of Marine organisms
 | 1875 | Oceanographic investigation by the HMS Challenger around Japan
 | 1877-1879 | [NAME] (USA): Professor of the University of Tokyo. Establishment of the first Marine Laboratory in Enoshima Island, Kanagawa in 1877 | National Museum of Nature and Science (2007) A book series from the National Museum of Nature and Science No. 6 [NAME]. Hadano: Tokai University Press. 212 p. (Japanese).
 | 1879-1881 | [NAME]. [NAME] (German): Professor of natural history in The University of Tokyo Faculty of Medicine. Faunal study of Sagami Bay | National Museum of Nature and Science (2007) A book series from the National Museum of Nature and Science No. 6 [NAME]. Hadano: Tokai University Press. 212 p. (Japanese).
 | 1886 | Establishment of Misaki Marine Biological Station, The University of Tokyo, in Misaki, [NAME]
 | 1888 | Establishment of the Fisheries Training School (Present TUMSAT2)
 | 1904-1905 | [NAME] (German): Deep-sea biological investigation in Sagami Bay | National Museum of Nature and Science (2007) A book series from the National Museum of Nature and Science No. 6 [NAME]. Hadano: Tokai University Press. 212 p. (Japanese).
 | 1922 | Establishment of a Marine Biological Research Station of the Faculty of Science, Kyoto Imperial University (Present Seto Marine Biological Laboratory, Field Science Education and Research Center, Kyoto University)
 | 1922-1930 | Fishery investigation in continental shelf around Japan by the Imperial Fisheries Institute
 | 1925 | Establishment of a Biological Laboratory, Imperial Household. Twelve marine organism monographs in Sagami Bay
 | 1925 | Start of investigations using Research Vessel Soyo-Maru by the Imperial Fisheries Institute
 | 1929 | Start of investigations (mainly fisheries science) using human-occupied vehicle Nishimura-shiki [NAME]-tei ichi-go，maximum depth 200 m
 | 1929 | The Fisheries Experimental Station of the Ministry of Agriculture and Forestry was established in Tokyo（Present NRIFS3)
 | 1932 | Establishment of the Japanese Society of Fisheries Science
 | 1941 | Establishment of the Oceanographic Society of Japan
 | 1951-1958 | Start of investigations using human-occupied vehicle Kuroshio-go，maximum depth 200 m. "Marine Snow" termed during this human-occupied vehicle investigation
 | 1962 | Establishment of the ORI4, The University of Tokyo
 | 1963 | Research Vessel Tansei-maru was completed by ORI4, The University of Tokyo
 | 1967 | Research Vessel [NAME]-maru was completed by ORI4, The University of Tokyo
 | 1971 | Establishment of the Japan Marine Science and Technology Center (JAMSTEC5, present Japan Agency for Marine-Earth Science and Technology)
 | 1973- | The National Survey on the Natural Environment by the Ministry of the Environment
 | 1981 | Human-occupied vehicle Shinkai 2000 was completed by [NAME]
 | 1984 | Discovery of deep-sea chemosynthesis-based community in Sagami Bay. This was the first discovery of chemosynthesis-based community around Japan
 | 1986- | Investigation of endangered species in Japan by the Ministry of the Environment
 | 1989 | Human-occupied vehicle Shinkai 6500 was completed by [NAME]
 | 1993 | Conclusion of Convention on Biological Diversity
 | 2001 | Establishment of Global Biodiversity Information Facility Japan
 | 2002 | Japanese Biota Species Number Survey by Union of Japanese Societies for Systematic Biology
 | 2007 | Establishment of the law "Basic Act on Ocean Policy"
 | 1, 2, 3, 4, 5 Each abbreviation is shown in Table 2.