Dataset

Image collection in the Coral Reef Network WEB System: A snapshot of the fauna and flora around the coral reefs of the Ryukyu Islands from 2002 to 2013

OBIS Japan Open in mapper Explore occurrences

The Global Oceanographic Data Center (GODAC) collected pictures of marine organisms around the coral reefs in the Ryukyu Islands from citizen divers during 2002 to 2013. GODAC also collected videos through GODAC’s research activities using a small remotely-operated vehicle “Niraikanai 150”. These image collection of the pictures and videos had been published on the website of Coral Reef Network WEB System (http://www.godac.jp/coral/). The image collection can become a valuable snapshot to know a past fauna or flora in the Ryukyu Island. We generated biological occurrence records from the image collection and their metadata including locality information and vernacular name of the organisms. Latitude and longitude in a biological occurrence record was determined using locality information from the image metadata and gazetteers (Marine Regions and Google Maps). When detailed location information was available, geometries were generated in Well-known text format. Scientific names of the organisms were determined by referring with the vernacular name (Japanese name) in the metadata of the image and BISMaL (http://www.godac.jamstec.go.jp/bismal/). If specific literature was used for identification, its bibliographic title was added to each record.

Citation: Japan Agency for Marine-Earth Science and Technology (2018) Image collection in the Coral Reef Network WEB System: A snapshot of the fauna and flora around the coral reefs of the Ryukyu Islands from 2002 to 2013. https://doi.org/10.48518/00027. Accessed on yyyy-mm-dd.

Published: October 15, 2025 at 01:30

License: This work is licensed under a Creative Commons Attribution Non Commercial (CC-BY-NC) 4.0 License

URL: https://www.godac.jamstec.go.jp/ipt/resource?r=jamstec_godac_coralreef_web

Contacts:

Data Research and Development Group
Japan Agency for Marine-Earth Science and Technology, Global Oceanographic Data Center

Akira Sonoda
Japan Agency for Marine-Earth Science and Technology, Global Oceanographic Data Center

1,153
occurrence records
499
taxa
347
species

Taxa

Missing and invalid fields

Field Missing Invalid
coordinateUncertaintyInMeters 1,037
89.9%
maximumDepthInMeters 581
50.4%
minimumDepthInMeters 581
50.4%
scientificNameID 5 9
1.2%

Quality flags

The OBIS data quality flags are documented at https://github.com/iobis/obis-qc.

Flag Dropped Records
NO_DEPTH 581
50.4%
ON_LAND 117
10.1%
DEPTH_EXCEEDS_BATH 21
1.8%
NO_MATCH 2
0.2%
SCIENTIFICNAMEID_EXTERNAL 2
0.2%
NO_ACCEPTED_NAME 1
0.1%
WORMS_ANNOTATION_REJECT_AMBIGUOUS 1
0.1%

Measurement types

DNA derived data