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The impact factor (IF) or journal impact factor (JIF) of an academic journal is a scientometric index calculated by Clarivate that reflects the yearly mean number of citations of articles published in the last two years in a given journal, as indexed by Clarivate's Web of Science.
The impact factor (IF) or journal impact factor (JIF) of an academic journal is a scientometric index calculated by Clarivate that reflects the yearly mean number of citations of articles published in the last two years in a given journal, as indexed by Clarivate's Web of Science.
A journal's SJR indicator is a numeric value representing the average number of weighted citations received during a selected year per document published in that journal during the previous three years, as indexed by Scopus. Higher SJR indicator values are meant to indicate greater journal prestige.
The simplest journal-level metric is the journal impact factor, the average number of citations that articles published by a journal in the previous two years have received in the current year, as calculated by Clarivate. Other companies report similar metrics, such as the CiteScore, based on Scopus.
In any given year, the CiteScore of a journal is the number of citations, received in that year and in previous three years, for documents published in the journal during the total period (four years), divided by the total number of published documents (articles, reviews, conference papers, book chapters, and data papers) in the journal during the same four-year period: [3]
Journal ranking is widely used in academic circles in the evaluation of an academic journal's impact and quality. Journal rankings are intended to reflect the place of a journal within its field, the relative difficulty of being published in that journal, and the prestige associated with it.
FEMS Microbiology Reviews is a peer-reviewed scientific journal publishing invited review articles in the field of microbiology. The journal was established in 1985, and is published by Oxford University Press on behalf of the Federation of European Microbiological Societies. The editors-in-chief are Karin Sauer, David Blackbourn, and Bart Thomma.
In addition to impact rankings by Journal Impact Factor (JIF) Journal Citation Reports, Vanclay analyzed the ranking of 180 forestry journals by several additional metrics, including the h-index. [5] He reported that for the period from 2000 to 2007, the Journal of Forestry ranked number 8 of 180 using the h-index.