You may freely download and use any data, code, or instructional guides created for the Ocean Health Index project. In exchange, please credit our work as described below.

General references to the Ocean Health Index

For general references to the Ocean Health Index (OHI) framework, please cite the original publication: Halpern BS, Longo C, Hardy D, McLeod KL, Samhouri JF, Katona SK, et al. (2012) An index to assess the health and benefits of the global ocean. Nature. 2012;488: 615–620. doi:10.1038/nature11397

Other citations may also be relevant due to updates in goal models and data sources since the original publication. See Publications for other references.

If you are conducting an OHI+ assessment, please cite:

  • Primary OHI publications See above

  • Github repository: ohicore The R package used to generate the scores: Ocean Health Index. Year. ohicore version: core Ocean Health Index functions, [date downloaded]. National Center for Ecological Analysis and Synthesis, University of California, Santa Barbara. Available at: https://github.com/OHI-Science/ohicore/releases

    • OHI manual This resource describes how to conduct an assessment: Ocean Health Index. 2015. Ocean Health Index Toolbox Manual [date]. National Center for Ecological Analysis and Synthesis, University of California, Santa Barbara. Available at: http://ohi-science.org/manual

    If you are diving deeper and using the most recent global datasets or methods, please cite:

    • Github repository: ohi-global The results from the most recent global assessment, as well as the underlying data and models (i.e., code), are available from Github. If these data are used, please cite: Ocean Health Index. Year. ohi-global version: Global scenarios data for Ocean Health Index, [date downloaded]. National Center for Ecological Analysis and Synthesis, University of California, Santa Barbara. Available at: https://github.com/OHI-Science/ohi-global/releases

    • Github repository: ohiprep Information about the original data and the methods (i.e., code) used to prepare data for the global assessment are available from Github. If this resource is used, please cite: Ocean Health Index. Year. ohiprep version: Preparation of data for global scenarios of the Ocean Health Index, [date downloaded]. National Center for Ecological Analysis and Synthesis, University of California, Santa Barbara. Available at: https://github.com/OHI-Science/ohiprep/releases