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Published (Version of record)CC BY-NC-ND V4.0, Open Access
Published (Version of record)CC BY-NC-ND V4.0, Open
Journal article
Increased connectivity and depth improve the effectiveness of marine reserves
Global change biology, Vol.27(15), pp.3432-3447
08/2021
PMID: 34015863
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Abstract
Marine reserves are a key tool for the conservation of marine biodiversity, yet only similar to 2.5% of the world's oceans are protected. The integration of marine reserves into connected networks representing all habitats has been encouraged by international agreements, yet the benefits of this design has not been tested empirically. Australia has one of the largest systems of marine reserves, providing a rare opportunity to assess how connectivity influences conservation success. An Australia-wide dataset was collected using baited remote underwater video systems deployed across a depth range from 0 to 100 m to assess the effectiveness of marine reserves for protecting teleosts subject to commercial and recreational fishing. A meta-analytical comparison of 73 fished species within 91 marine reserves found that, on average, marine reserves had 28% greater abundance and 53% greater biomass of fished species compared to adjacent areas open to fishing. However, benefits of protection were not observed across all reserves (heterogeneity), so full subsets generalized additive modelling was used to consider factors that influence marine reserve effectiveness, including distance-based and ecological metrics of connectivity among reserves. Our results suggest that increased connectivity and depth improve the aforementioned marine reserve benefits and that these factors should be considered to optimize such benefits over time. We provide important guidance on factors to consider when implementing marine reserves for the purpose of increasing the abundance and size of fished species, given the expected increase in coverage globally. We show that marine reserves that are highly protected (no-take) and designed to optimize connectivity, size and depth range can provide an effective conservation strategy for fished species in temperate and tropical waters within an overarching marine biodiversity conservation framework.
Details
- Title
- Increased connectivity and depth improve the effectiveness of marine reserves
- Creators
- Jordan S. Goetze - Curtin UniversityShaun Wilson - Australian Institute of Marine ScienceBen Radford - Australian Institute of Marine ScienceRebecca Fisher - Australian Institute of Marine ScienceTim J. Langlois - University of Western AustraliaJacquomo Monk - University of TasmaniaNathan A. Knott - New South Wales Department of Primary Industries (Coffs Harbour)Hamish Malcolm - New South Wales Department of Primary IndustriesLeanne M. Currey-Randall - Australian Institute of Marine ScienceDaniel Ierodiaconou - Deakin UniversityDavid Harasti - New South Wales Department of Primary IndustriesNeville Barrett - University of TasmaniaRussell C. Babcock - CSIRO Oceans and AtmosphereNestor E. Bosch - The University of Western AustraliaDanny Brock - CSIRO Oceans & Atmosphere (Australia, Hobart)Joachim Claudet - Université Paris Sciences et LettresJock Clough - Australian Institute of Marine ScienceDavid V. Fairclough - Government of Western AustraliaMichelle R. Heupel - Australian Institute of Marine ScienceThomas H. Holmes - Department of Biodiversity, Conservation and AttractionsCharlie Huveneers - Flinders UniversityAlan R. Jordan - University of TasmaniaDianne McLean - Australian Institute of Marine ScienceMark Meekan - Australian Institute of Marine ScienceDavid Miller - Department for Environment and Water SA, Adelaide, SA, Australia.Stephen J. Newman - Government of Western AustraliaMatthew J. Rees - NSW Department of Primary IndustriesKelsey E. Roberts - Stony Brook UniversityBenjamin J. Saunders - Curtin Univ, Sch Mol & Life Sci, Perth, WA, AustraliaConrad W. Speed - Australian Institute of Marine ScienceMichael J. Travers - Government of Western AustraliaEric Treml - Deakin UniversitySasha K. Whitmarsh - Flinders UniversityCorey B. Wakefield - Government of Western AustraliaEuan S. Harvey - Curtin University
- Publication Details
- Global change biology, Vol.27(15), pp.3432-3447
- Publisher
- Wiley
- Number of pages
- 16
- Grant note
- Australian Institute of Marine Science ARDC's Marine Research Data Cloud project ARDC's Australian Data Partnerships project Global FinPrint Project - Paul G Allen Philanthropies Australian Research Data Commons (ARDC) Marine Biodiversity Hub from the Australian Government's National Environmental Science Program Curtin University
- Identifiers
- 991013127409902368
- Copyright
- © 2021 The Authors. Global Change Biology published by John Wiley & Sons Ltd This is an open access article under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, (https://creativecommons.org/licenses/by-nc-nd/4.0/).
- Academic Unit
- Faculty of Science and Engineering
- Language
- English
- Resource Type
- Journal article