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Impact of Plan-S on European Research in 10 scientific disciplines

A few weeks ago I posted already the troubling current situation for Chemistry, where out of 553 journals listed in Journal Citation Reportsonly 48 journals[1] are included in the Directory of Open Access Journals (DOAJ), and only 11 were known to me (i.e. 2.0%).

Today I add the same analysis for nine more fields in scientific research (Bio, CompSci, Engin, Math, MatSci, Med, Phys, Psych, Social)[2][3], with similar results. Out of the total of 4773 journals listed in JCR for these disciplines, only 399 are listed in DOAJ (8.4%).

Within the field of Chemistry, the majority of the 48 JCR/DOAJ journals were not known to me, and often included local/national journals. Assuming that the same holds for the other disciplines, and using a conservative estimate for this proportion of unknown journals (at least half), one comes to the conclusion that for the ten fields of science listed below, only ca. 2-4% of scientific journals is currently compliant with Plan S.

FieldNr. in JCRNr. in DOAJBio…

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Impact of Plan S on Chemistry research in Europe