Working Paper Article Version 2 This version is not peer-reviewed

Multinational Coordination Required for Conservation of at least 90% of Marine Species

Version 1 : Received: 21 August 2020 / Approved: 24 August 2020 / Online: 24 August 2020 (10:01:05 CEST)
Version 2 : Received: 19 May 2021 / Approved: 20 May 2021 / Online: 20 May 2021 (10:14:11 CEST)

How to cite: Roberson, L.; O'Hara, C.; Watson, J.; Halpern, B.; Klein, C.; Dunn, D.; Frazier, M.; Beyer, H.; Keumpel, C.; Williams, B.; Grantham, H.; Montgomery, J.; Kark, S.; Runting, R. Multinational Coordination Required for Conservation of at least 90% of Marine Species. Preprints 2020, 2020080525 Roberson, L.; O'Hara, C.; Watson, J.; Halpern, B.; Klein, C.; Dunn, D.; Frazier, M.; Beyer, H.; Keumpel, C.; Williams, B.; Grantham, H.; Montgomery, J.; Kark, S.; Runting, R. Multinational Coordination Required for Conservation of at least 90% of Marine Species. Preprints 2020, 2020080525

Abstract

Marine species are declining at an unprecedented rate, catalyzing many nations to adopt conservation and management targets within their jurisdictions. However, marine species and the biophysical processes that sustain them are naive to international borders. An understanding of the prevalence of cross-border species distributions is important for informing high-level conservation strategies, such as bilateral or regional agreements. Here, we examined 28,252 distribution maps to determine the number and locations of transboundary marine plants and animals. Over 90% of species have ranges spanning at least two jurisdictions, with 58% covering more than ten jurisdictions. All jurisdictions have at least one transboundary species, with the highest concentrations of transboundary species in the USA, Australia, Indonesia, and the Areas Beyond National Jurisdiction. Distributions of mapped biodiversity indicate that overcoming the challenges of multinational governance is critical for a much wider suite of species than migratory megavertebrates and commercially exploited fish stocks—the groups that have received the vast majority of multinational management attention. To effectively protect marine biodiversity, international governance mechanisms (particularly those related to the Convention on Biological Diversity, the Convention on Migratory Species, and Regional Seas Organizations) must be expanded to promote multinational conservation planning, and complimented by a holistic governance framework for biodiversity beyond national jurisdiction.

Subject Areas

Transboundary management; biodiversity; species distributions; Exclusive Economic Zones; marine conservation; collaboration

Comments (1)

Comment 1
Received: 20 May 2021
Commenter: Leslie Roberson
Commenter's Conflict of Interests: Author
Comment: In response to reviewer comments, we made various edits and changes to text, additional references, additional figures in main text and supplementary info. We have resubmitted the revised manuscript to Global Change Biology
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