Ocean sprawl facilitates dispersal and connectivity of protected species

Lea-anne Henry, Claudia G. Mayorga-adame, Alan D. Fox, Jeff A. Polton, Joseph S. Ferris, Faron Mclellan, Chris Mccabe, Tina Kutti, J. Murray Roberts

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Abstract

Highly connected networks generally improve resilience in complex systems. We present a novel application of this paradigm and investigated the potential for anthropogenic structures in the ocean to enhance connectivity of a protected species threatened by human pressures and climate change. Biophysical dispersal models of a protected coral species simulated potential connectivity between oil and gas installations across the North Sea but also metapopulation outcomes for naturally occurring corals downstream. Network analyses illustrated how just a single generation of virtual larvae released from these installations could create a highly connected anthropogenic system, with larvae becoming competent to settle over a range of natural deep-sea, shelf and fjord coral ecosystems including a marine protected area. These results provide the first study showing that a system of anthropogenic structures can have international conservation significance by creating ecologically connected networks and by acting as stepping stones for cross-border interconnection to natural populations.
Original languageEnglish
Article number11346
Number of pages11
JournalScientific Reports
Volume8
Issue number1
Early online date16 Aug 2018
DOIs
Publication statusPublished - 1 Dec 2018

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    Henry, L., Mayorga-adame, C. G., Fox, A. D., Polton, J. A., Ferris, J. S., Mclellan, F., Mccabe, C., Kutti, T., & Roberts, J. M. (2018). Ocean sprawl facilitates dispersal and connectivity of protected species. Scientific Reports, 8(1), [11346]. https://doi.org/10.1038/s41598-018-29575-4