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People and ecosystems

Understanding of the links between coral reef ecosystems, the goods and services they provide to people, and the wellbeing of human societies.

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Ecosystem dynamics: past, present and future

Examining the multi-scale dynamics of reefs, from population dynamics to macroevolution

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Responding to a changing world

Advancing the fundamental understanding of the key processes underpinning reef resilience.

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Coral Reef Studies

ARC Centre of Excellence for Coral Reef Studies
James Cook University Townsville
Queensland 4811 Australia

Phone: 61 7 4781 4000
Email: info@coralcoe.org.au

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Event

The value of marine reserves for fish and fisheries

When

Thursday August 19th 04:00 pm (AEST)

location
https://jcu.zoom.us/j/84556821182 Password: 544118
Presenter
Hugo Harrison
Hugo Harrison

Abstract: No-take marine reserves are a cornerstone of marine ecosystem management in Australia, though they are rarely considered as an effective fisheries management strategy. Yet, by accumulating more and larger exploited species within their boundaries, they generate important larval subsidies to support nearby fisheries. However, given the stochanistic nature of larval dispersal, any larval subsidies from reserves may be highly variable in time and space, and reliable. Thus the value of no-take marine reserves to fish and fisheries depends on the strength and stability of their contribution. In this presentation I discuss how stability can arise from volatity and show that a network of reserves in the Keppel Islands complement each other to provide a reliable source of juvenile coral trout (Plectropomus maculatus). By protecting healthy spawning stocks, no-take marine reserves are no longer just a conservation tool. They mitigate the uncertainty in larval supply to support the productivity of local fisheries.

Biography: Hugo is a Senior Research Fellow in the Centre of Excellence for Coral Reef Studies at James Cook University, co-appointed with the Australian Institute of Marine Science in Townsville, Australia. His research intersects disciplines by combining large-scale field studies with novel genetic approaches to address critical questions regarding the effective management and conservation of coral reef ecosystems.

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Coral Reef Studies

ARC Centre of Excellence for Coral Reef Studies
James Cook University Townsville
Queensland 4811 Australia

Phone: 61 7 4781 4000
Email: info@coralcoe.org.au