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National-scale marine bioregions for the Southwest Pacific

Beger, M, Wendt, H, Sullivan, J, Mason, C, LeGrand, J, Davey, K, Jupiter, S, Ceccarelli, DM, Dampsey, A, Edgar, G ORCID: 0000-0003-0833-9001, Feary, DA, Fenner, D, Gauna, M, Grice, H, Kirmani, SN, Mangubhai, S, Purkis, S, Richards, ZT, Rotjan, R, Stuart-Smith, R ORCID: 0000-0002-8874-0083, Sykes, H, Yakub, N, Bauman, AG, Hughes, A, Raubani, J, Lewis, A and Fernandes, L 2019 , 'National-scale marine bioregions for the Southwest Pacific' , Marine Pollution Bulletin, vol. 150 , pp. 1-13 , doi: 10.1016/j.marpolbul.2019.110710.

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Existing marine bioregions covering the Pacific Ocean are conceptualised at spatial scales that are too broad for national marine spatial planning. Here, we developed the first combined oceanic and coastal marine bioregionalisation at national scales, delineating 262 deep-water and 103 reef-associated bioregions across the southwest Pacific. The deep-water bioregions were informed by thirty biophysical environmental variables. For reef-associated environments, records for 806 taxa at 7369 sites were used to predict the probability of observing taxa based on environmental variables. Both deep-water and reef-associated bioregions were defined with cluster analysis applied to the environmental variables and predicted species observation probabilities, respectively to classify areas with high taxonomic similarity. Local experts further refined the delineation of the bioregions at national scales for four countries. This work provides marine bioregions that enable the design of ecologically representative national systems of marine protected areas within offshore and inshore environments in the Pacific.

Item Type: Article
Authors/Creators:Beger, M and Wendt, H and Sullivan, J and Mason, C and LeGrand, J and Davey, K and Jupiter, S and Ceccarelli, DM and Dampsey, A and Edgar, G and Feary, DA and Fenner, D and Gauna, M and Grice, H and Kirmani, SN and Mangubhai, S and Purkis, S and Richards, ZT and Rotjan, R and Stuart-Smith, R and Sykes, H and Yakub, N and Bauman, AG and Hughes, A and Raubani, J and Lewis, A and Fernandes, L
Keywords: Reef Life Survey, citizen science, MPAs, reef fish, bioregionalisation, conservation planning data, species distribution modelling, hierarchical cluster analysis, pelagic environment, coral reef biodiversity
Journal or Publication Title: Marine Pollution Bulletin
Publisher: Pergamon-Elsevier Science Ltd
ISSN: 0025-326X
DOI / ID Number: 10.1016/j.marpolbul.2019.110710
Copyright Information:

© 2019 Published by Elsevier Ltd.

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