Biodiversity time series are available in BioTIME's free, open-access global database for research and education.

biotime.st-andrews.ac.uk
BioTime homepage screenshot

About BioTime

BioTIME is a global database of biodiversity time series, meaning records of assemblages sampled repeatedly over time. It is intended for quantifying and understanding biodiversity change. The database is hosted and based at the University of St Andrews in the United Kingdom.

The database is open access and free to anyone, anywhere in the world, for education, research, and conservation. The homepage links to pages for downloading data, using data, and contributing a dataset, and it provides a recommended citation for the BioTIME 2.0 paper. The site also asks visitors to consider donating to support the database. The source does not state pricing beyond the free access described.

Key features

  • Global database of biodiversity assemblage time series
  • Free download of data for education, research, and conservation
  • Option to contribute new datasets to the database
  • Recommended citation for the BioTIME 2.0 paper
  • Downloadable citation for the database
Best for: Researchers, educators, and conservation practitioners who need long-term biodiversity time series data for studying change over time.
Good for
  • Free and open access for education, research, and conservation
  • Hosted and based at the University of St Andrews
  • Provides a recommended citation and a downloadable citation

BioTime at a glance

Official website
biotime.st-andrews.ac.uk
Type
Dataset
Platforms
Web
Language
English
Country
GB
Last checked
Oct 6, 2026 · Online when checked
Listed
Oct 5, 2026

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BioTime FAQ

Who can use the BioTIME data?
The database is free to anyone, anywhere in the world, to use for education, research, and conservation.
Can I contribute a dataset to BioTIME?
The homepage includes a "Contribute a dataset" link. The homepage does not describe the contribution process.
How should I cite BioTIME?
The homepage gives the citation for BioTIME 2.0: Expanding and Improving a Database of Biodiversity Time Series, published in Global Ecology and Biogeography in 2025, with a link to a download citation option.
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