Dataset

Amplicon sequencing of Tara Oceans DNA samples corresponding to size fractions for protists.

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Analysis of 18S DNA in Tara Oceans Protists size fractions through amplicon sequencing: Seawater was filtered from different depths to retain small and large cell sizes. The DNA was extracted and amplified by PCR.

Published: September 20, 2022 at 12:42

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

URL: https://hosted-datasets.gbif.org/mgnify/MGYS00002392.zip

Contacts:

The French National Sequencing Center (Genoscope)
The French National Sequencing Center (Genoscope)

746,253
occurrence records
3,230
taxa
831
species

Taxa

Missing and invalid fields

Field Missing Invalid
coordinateUncertaintyInMeters 746,253
100.0%
eventDate 15,585
2.1%
maximumDepthInMeters 4,461
0.6%
minimumDepthInMeters 4,461
0.6%
occurrenceStatus 746,253
100.0%
scientificNameID 746,253
100.0%

Quality flags

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

Flag Dropped Records
NO_MATCH 139,921
18.7%
MARINE_UNSURE 40,651
5.4%
NO_ACCEPTED_NAME 9,283
1.2%
NO_DEPTH 4,461
0.6%
DEPTH_OUT_OF_RANGE 2,137
0.3%
WORMS_ANNOTATION_UNRESOLVABLE 1,162
0.2%
WORMS_ANNOTATION_REJECT_AMBIGUOUS 1,016
0.1%
NOT_MARINE 876
0.1%
DEPTH_EXCEEDS_BATH 864
0.1%
ON_LAND 864
0.1%
WORMS_ANNOTATION_RESOLVABLE 401
0.1%

Measurement types

DNA derived data