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Open Access

‘Gold’ and ‘Green’ Open Access



  • 'Gold' Open Access = article published by publisher with free availability to all users; available from IR as Open Access (or formerly Free Access).
  • 'Green' Open Access = Author self-archiving in an Open-Access repository or on their personal or institutional website, in parallel to publication by the publisher.
  • AAM (Author Accepted Manuscript) = the author-generated version of the manuscript accepted for publication and sent to the publisher for production (i.e. includes the corrections made during peer review, but excludes corrections and enhancements made by the publisher's sub-editors, copy-editors, graphic designers, and web-services).
  • Preprint = the manuscript version initially submitted to the journal for review (before peer-review).
  • VoR (Version of Record) = final professionally typeset article published by the publisher.



Open Access articles attract far more attention than non-Open Access articles—in some cases more than 10-fold. Open Access articles are immediately available to a much broader audience, including the general public. This potentially results in a wider and greater impact and faster citation growth.


The Academic community promotes Open Access as the desired publication model for disseminating research results and in many situations today publication with Open Access is mandatory.


Inter-Research (IR) supports both the 'Gold' and 'Green' models of Open Access as follows:



‘Gold’ Open Access


IR offers Gold Open Access under the Creative Commons by Attribution License (CC-BY).


Article Processing Charges (APCs) for Open Access depend on article type and date of article submission, and range from € 650 to € 2500 for articles submitted on or after 1 November 2022, and from € 500 to € 2000 for articles submitted before 1 November 2022.


Feature Articles are published with Open Access at no cost to authors. Fee discounts or waivers are available for particular categories of hardship (for more information, refer to the individual journal links).


Full details of pricing for each journal are given in the following links:


'Hybrid' journals (Subscriber access with optional purchase of Open Access; articles not published with Open Access will become freely accessible to all users 5 years after publication). These journals are transforming to fully Open Access journals. See Transformative Journals

Marine Ecology Progress Series

Aquatic Microbial Ecology

Diseases of Aquatic Organisms

Climate Research


Fully Open Access journals (purchasing Open Access is mandatory; at the present time ESEP is free of charge)

Aquatic Biology

Aquaculture Environment Interactions

Endangered Species Research

Ethics in Science and Environmental Politics


Read and Publish Agreements

The following institutions have Read and Publish Agreements with Inter-Research. The institution’s subscription pays for Open Access publication of articles authored by its members as well as for reader access to subscriber-locked material. Articles with the Corresponding Author affiliated to any of these institutions are published with Open Access in any of the Inter-Research journals without paying the Article Processing Charge (APC).


Norwegian Institute for Nature Research / Norsk Institutt for Naturforsking – NINA (Norway, 2022–2023)



Author self-archiving ('Green' Open Access)


‘Gold’ Open Access articles:


No restrictions. Authors are free to post the Preprint, Author Accepted Manuscript (AAM), and publisher’s Version of Record (VoR) of their ‘Gold’ Open Access article under a CC-BY License on any website or in any online repository.


‘Subscriber Access' articles:


Authors may self-archive 'Subscriber Access' articles as follows:


Authors may post the Preprint of their Subscriber Access article on a website or on e.g. a Preprint Server at any time. Preprints may be assigned a CC-BY or equivalent license, with the original copyright holders retaining their copyright in the Preprint. Authors should take care that the distribution, sharing and/ repackaging of Preprints prior to submission of the article to an Inter-Research journal does not occur in a way that compromises the 'not previously published' requirement of manuscripts submitted to Inter-Research.


Author Accepted Manuscript (AAM)
Authors may post the AAM of their Subscriber Access article on a website or deposit it into an online Open Access or other repository any time after the manuscript is accepted for publication by Inter-Research. AAMs may be assigned a CC-BY or equivalent license, with the original copyright holders retaining their copyright in the AAM.


Version of Record (VoR)
Authors may post the VoR (final published PDF) of their Subscriber Access article on a website or deposit it into an online repository once the article becomes freely accessible from the IR website, 5 years after publication. At this time the VoR can be made openly accessible to all users from these platforms, but a CC-BY or equivalent License allowing free re-publication cannot be retrospectively applied to it.


The Author self-archiving policy relating to the Author Accepted Manuscript (AAM) for both Open Access and Subscriber Access articles complies with the Plan S Rights Retention Strategy, the funded research open access requirements of UKRI, Wellcome, and NIHR. Authors retain the right to distribute their Author Accepted Manuscript (AAM), such as via an institutional and/or subject repository (e.g. Europe PMC), under a Creative Commons Attribution 4.0 International (CC BY 4.0) licence.


For AAMs and VoRs, the article on a website or in the repository must have a link to its abstract page on the Inter-Research website, and cite the Inter-Research-assigned article doi.


Summary of permitted self-archiving


Artcile Version VoR published with Open Access VoR published with Subscriber Access
When Publication License Copyright holders When Publication License Copyright holders
(Version before journal peer review)
Any time CC-BY Original holders Any time CC-BY Original holders
(Author Accepted Manuscript)
Any time after acceptance by the journal
(Version of Record, published PDF)
Any time after publication by the journal Original holders. See copyright notice in article 5 years after publication Standard copyright law Inter-Research and/or non-transferable original holders. See copyright notice in article