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Clubley CH, Knights AM, Allen J, Bilton DT, Foggo A, Hanley ME, Murphy J, Wood LE, Firth LB. Scaling up eco-engineering: The role of topographic complexity and spatial variability in shaping biodiversity on coastal structures. THE SCIENCE OF THE TOTAL ENVIRONMENT 2025; 985:179738. [PMID: 40424899 DOI: 10.1016/j.scitotenv.2025.179738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2024] [Revised: 05/19/2025] [Accepted: 05/21/2025] [Indexed: 05/29/2025]
Abstract
In response to the depauperate biodiversity often associated with the largely homogenous surfaces of artificial structures, ecological (eco-) engineering has emerged as a tool to introduce topographic complexity to coastal development. Although relatively small-scale studies using topographically complex panels and artificial rockpools are commonplace, determining how the configuration of these interventions works over greater and more realistic spatial scales has received comparatively little attention. Given the importance of spatial variability in habitat complexity for shaping community composition and, therefore, regional diversity, filling this knowledge gap is key to enhancing the 'design catalogue' for future eco-engineering installations. Here, we manipulated topographic complexity using individual concrete panels placed into larger arrays to generate two different spatial configurations, and in doing so explore the potentially interactive roles of small-scale panel complexity and larger-scale variability on biodiversity. More topographically complex panels supported greater taxon richness and abundance than low complexity panels, whilst the complexity of the panels in interaction with their spatial arrangement within larger arrays influenced community composition between treatment groups. Our results corroborate studies showing how small-scale variation in surface topography benefits biodiversity, but we also demonstrate that spatial variability in how this complexity is deployed over larger areas impacts community composition. These effects were especially evident for the invasive non-native species that frequently colonise and dominate newly engineered coastal structures, often at the expense of natives. Given the ongoing expansion of coastal infrastructure, studies such as this that explore means of 'scaling up' eco-engineering to better represent the inherent spatial variability of natural habitats are essential to achieving biodiversity comparable to, and potentially greater than, these habitats.
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Affiliation(s)
- Charlotte H Clubley
- School of Biological and Marine Sciences, University of Plymouth, Plymouth PL4 8AA, United Kingdom; Aarhus University, Department of Ecoscience, Frederiksborgvej 399, 4000 Roskilde, Denmark.
| | - Antony M Knights
- School of Biological and Marine Sciences, University of Plymouth, Plymouth PL4 8AA, United Kingdom; School of Biological, Earth and Environmental Sciences, University College Cork, North Mall, Cork, Ireland
| | - Jessica Allen
- School of Biological and Marine Sciences, University of Plymouth, Plymouth PL4 8AA, United Kingdom
| | - David T Bilton
- School of Biological and Marine Sciences, University of Plymouth, Plymouth PL4 8AA, United Kingdom; Department of Zoology, University of Johannesburg, PO Box 524, Auckland Park, Johannesburg 2006, South Africa
| | - Andy Foggo
- School of Biological and Marine Sciences, University of Plymouth, Plymouth PL4 8AA, United Kingdom
| | - Mick E Hanley
- School of Biological and Marine Sciences, University of Plymouth, Plymouth PL4 8AA, United Kingdom
| | - James Murphy
- ARC Marine, Office 1, 3-4 Vaughan Parade, TQ2 5EG Torquay, United Kingdom
| | - Louisa E Wood
- Centre for Blue Governance, Department of Economics and Finance, University of Portsmouth, Portsmouth, Hampshire PO1 3DE, United Kingdom; Department of Biology, University of Fribourg, Chemin du Musée 15, CH-1700 Fribourg, Switzerland
| | - Louise B Firth
- School of Biological and Marine Sciences, University of Plymouth, Plymouth PL4 8AA, United Kingdom; School of Biological, Earth and Environmental Sciences, University College Cork, North Mall, Cork, Ireland
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Mrowicki R, Uhl R, Marine Biological Association Genome Acquisition Lab, Darwin Tree of Life Barcoding collective, Wellcome Sanger Institute Tree of Life Management, Samples and Laboratory team, Wellcome Sanger Institute Scientific Operations: Sequencing Operations, Wellcome Sanger Institute Tree of Life Core Informatics team, Tree of Life Core Informatics collective, Darwin Tree of Life Consortium. The genome sequence of the Pacific oyster, Magallana gigas (Thunberg, 1793). Wellcome Open Res 2025; 9:284. [PMID: 39050697 PMCID: PMC11267148 DOI: 10.12688/wellcomeopenres.22255.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/14/2025] [Indexed: 07/27/2024] Open
Abstract
We present a genome assembly from an individual Magallana gigas (the Pacific oyster; Mollusca; Bivalvia; Ostreida; Ostreidae). The genome sequence is 564.0 megabases in span. Most of the assembly is scaffolded into 10 chromosomal pseudomolecules. The mitochondrial genome has also been assembled and is 18.23 kilobases in length. Gene annotation of this assembly on Ensembl identified 19,775 protein-coding genes.
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Affiliation(s)
- Rob Mrowicki
- The Marine Biological Association, Plymouth, England, UK
| | - Rebekka Uhl
- The Marine Biological Association, Plymouth, England, UK
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Clubley CH, Silva TAM, Wood LE, Firth LB, Bilton DT, O'Dea E, Knights AM. Multi-generational dispersal and dynamic patch occupancy reveals spatial and temporal stability of seascapes. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 952:175762. [PMID: 39197777 DOI: 10.1016/j.scitotenv.2024.175762] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2024] [Revised: 07/30/2024] [Accepted: 08/22/2024] [Indexed: 09/01/2024]
Abstract
The success of non-native species (NNS) invasions depends on patterns of dispersal and connectivity, which underpin genetic diversity, population establishment and growth. In the marine environment, both global environmental change and increasing anthropogenic activity can alter hydrodynamic patterns, leading to significant inter-annual variability in dispersal pathways. Despite this, multi-generational dispersal is rarely explicitly considered in attempts to understand NNS spread or in the design of management interventions. Here, we present a novel approach to quantifying species spread that considers range expansion and network formation across time using the non-native Pacific oyster, Magallana gigas (Thunberg 1793), as a model. We combined biophysical modelling, dynamic patch occupancy models, consideration of environmental factors, and graph network theory to model multi-generational dispersal in northwest Europe over 13 generations. Results revealed that M. gigas has a capacity for rapid range expansion through the creation of an ecological network of dispersal pathways that remains stable through time. Maximum network size was achieved in four generations, after which connectivity patterns remained temporally stable. Multi-generational connectivity could therefore be divided into two periods: network growth (2000-2003) and network stability (2004-2012). Our study is the first to examine how dispersal trajectories affect the temporal stability of ecological networks across biogeographic scales, and provides an approach for the assignment of site-based prioritisation of non-native species management at different stages of the invasion timeline. More broadly, the framework we present can be applied to other fields (e.g. Marine Protected Area design, management of threatened species and species range expansion due to climate change) as a means of characterising and defining ecological network structure, functioning and stability.
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Affiliation(s)
- Charlotte H Clubley
- School of Biological and Marine Sciences, University of Plymouth, Plymouth PL4 8AA, United Kingdom; Aarhus University, Department of Ecoscience, Frederiksborgvej 399, PO Box 358, 4000 Roskilde, Denmark.
| | - Tiago A M Silva
- Lowestoft Laboratory, Centre for Environment, Fisheries and Aquaculture Science, NR33 0HT Lowestoft, United Kingdom
| | - Louisa E Wood
- Centre for Blue Governance, Department of Economics and Finance, University of Portsmouth, Portsmouth, Hampshire PO1 3DE, United Kingdom; Department of Biology, University of Fribourg, Chemin du Musée 15, CH-1700 Fribourg, Switzerland
| | - Louise B Firth
- School of Biological and Marine Sciences, University of Plymouth, Plymouth PL4 8AA, United Kingdom; School of Biological, Earth and Environmental Sciences, University College Cork, North Mall, Cork, Ireland
| | - David T Bilton
- School of Biological and Marine Sciences, University of Plymouth, Plymouth PL4 8AA, United Kingdom; Department of Zoology, University of Johannesburg, PO Box 524, Auckland Park, Johannesburg 2006, South Africa
| | - Enda O'Dea
- Met Éireann, 65/67 Glasnevin Hill, Dublin 9 D09 Y921, Ireland; Met Office, FitzRoy Road, Exeter, Devon EX1 3PB, United Kingdom
| | - Antony M Knights
- School of Biological and Marine Sciences, University of Plymouth, Plymouth PL4 8AA, United Kingdom; School of Biological, Earth and Environmental Sciences, University College Cork, North Mall, Cork, Ireland
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Clubley CH, Firth LB, Wood LE, Bilton DT, Silva TAM, Knights AM. Science paper or big data? Assessing invasion dynamics using observational data. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 877:162754. [PMID: 36921858 DOI: 10.1016/j.scitotenv.2023.162754] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 02/16/2023] [Accepted: 03/05/2023] [Indexed: 05/06/2023]
Abstract
Non-native species are spreading at an unprecedented rate over large spatial scales, with global environmental change and growth in commerce providing novel opportunities for range expansion. Assessing the pattern and rate of spread is key to the development of strategies for safeguarding against future invasions and efficiently managing existing ones. Such assessments often depend on spatial distribution data from online repositories, which can be spatially biased, imprecise, and lacking in quantity. Here, the influence of disparities between occurrence records from online data repositories and what is known of the invasion history from peer-reviewed published literature on non-native species range expansion was evaluated using 6693 records of the Pacific oyster, Magallana gigas (Thunberg, 1793), spanning 56 years of its invasion in Europe. Two measures of spread were calculated: maximum rate of spread (distance from introduction site over time) and accumulated area (spatial expansion). Results suggest that despite discrepancies between online and peer-reviewed data sources, including a paucity of records from the early invasion history in online repositories, the use of either source does not result in significantly different estimates of spread. Our study significantly improves our understanding of the European distribution of M. gigas and suggests that a combination of short- and long-range dispersal drives range expansions. More widely, our approach provides a framework for comparison of online occurrence records and invasion histories as documented in the peer-reviewed literature, allowing critical evaluation of both data sources and improving our understanding of invasion dynamics significantly.
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Affiliation(s)
- Charlotte H Clubley
- School of Biological and Marine Sciences, University of Plymouth, Plymouth PL4 8AA, United Kingdom.
| | - Louise B Firth
- School of Biological and Marine Sciences, University of Plymouth, Plymouth PL4 8AA, United Kingdom
| | - Louisa E Wood
- Centre for Blue Governance, Department of Economics and Finance, University of Portsmouth, Portsmouth, Hampshire PO1 3DE, United Kingdom
| | - David T Bilton
- School of Biological and Marine Sciences, University of Plymouth, Plymouth PL4 8AA, United Kingdom; Department of Zoology, University of Johannesburg, PO Box 524, Auckland Park, Johannesburg 2006, South Africa
| | - Tiago A M Silva
- Lowestoft Laboratory, Centre for Environment, Fisheries and Aquaculture Science, NR33 0HT Lowestoft, United Kingdom
| | - Antony M Knights
- School of Biological and Marine Sciences, University of Plymouth, Plymouth PL4 8AA, United Kingdom
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Des M, Gómez-Gesteira JL, deCastro M, Iglesias D, Sousa MC, ElSerafy G, Gómez-Gesteira M. Historical and future naturalization of Magallana gigas in the Galician coast in a context of climate change. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 838:156437. [PMID: 35660616 DOI: 10.1016/j.scitotenv.2022.156437] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 05/30/2022] [Accepted: 05/30/2022] [Indexed: 06/15/2023]
Abstract
Magallana gigas is a naturalized species on the north coast of Galicia (Rías Altas, Northwest Iberian Peninsula), where it was unintentionally introduced. In recent decades, a greater abundance of M. gigas has been observed on the Galician coast, expanding towards the south, reaching the Artabro Gulf (Rías Centrales, NW Galician coast), probably due to ocean warming. Although this species has been cultivated in the Rías Baixas since the early 1990s and spawning has been reported, recruitment was never observed, which is likely due to the cold water upwelled during the spawning months. The future rise in seawater temperature may favor the naturalization of the non-indigenous species M. gigas southwards, in the Rías Baixas. Thermally, the Ría de Arousa seems to be the most favorable estuary for the future settlement of M. gigas, which may occur in the next decades. The extent of thermally favorable zones within estuaries is projected to increase rapidly by mid-century, and reaching 100 % of the estuarine area by the end of the century. As has already happened in other areas of the world, the expansion and naturalization of the Pacific oyster on the Galician coast will likely affect the native communities and economic activities, making it necessary to implement monitoring and management strategies to mitigate its effect.
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Affiliation(s)
- M Des
- Centro de Investigación Mariña, Universidade de Vigo, Environmental Physics Laboratory (EPhysLab), Campus As Lagoas s/n, 32004 Ourense, Spain; Stitching Deltares, Boussinesqweg 1, 2629 HV Delft, the Netherlands.
| | - J L Gómez-Gesteira
- Centro de Investigación Mariña, Universidade de Vigo, Environmental Physics Laboratory (EPhysLab), Campus As Lagoas s/n, 32004 Ourense, Spain; Centro Tecnológico del Mar- Fundación CETMAR, c/ Eduardo Cabello s/n, 36208 Vigo, Spain
| | - M deCastro
- Centro de Investigación Mariña, Universidade de Vigo, Environmental Physics Laboratory (EPhysLab), Campus As Lagoas s/n, 32004 Ourense, Spain
| | - D Iglesias
- Centro de Investigacións Mariñas (CIMA), Consellería do Mar, Xunta de Galicia, 36620 Vilanova de Arousa, Spain
| | - M C Sousa
- CESAM, Physics Department, University of Aveiro, Aveiro 3810-193, Portugal
| | - G ElSerafy
- Stitching Deltares, Boussinesqweg 1, 2629 HV Delft, the Netherlands; Delft Institute of Applied Mathematics, Delft University of Technology, Mekelweg 5, 2628 CD Delft, the Netherlands
| | - M Gómez-Gesteira
- Centro de Investigación Mariña, Universidade de Vigo, Environmental Physics Laboratory (EPhysLab), Campus As Lagoas s/n, 32004 Ourense, Spain
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Dodd JA, Copp GH, Tidbury HJ, Leuven RSEW, Feunteun E, Olsson KH, Gollasch S, Jelmert A, O'Shaughnessy KA, Reeves D, Brenner J, Verreycken H. Invasiveness risks of naked goby, Gobiosoma bosc, to North Sea transitional waters. MARINE POLLUTION BULLETIN 2022; 181:113763. [PMID: 35752508 DOI: 10.1016/j.marpolbul.2022.113763] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Revised: 05/11/2022] [Accepted: 05/13/2022] [Indexed: 06/15/2023]
Abstract
In recent decades, gobies have dispersed or introduced from the Ponto-Caspian region of eastern Europe in a westerly direction to North American and western European waters. By contrast, the naked goby, Gobiosoma bosc, is the only known gobiid species to have been introduced in an easterly direction from North American to western Europe. The potential invasiveness of G. bosc was assessed using the Aquatic Species Invasiveness Screening Kit (AS-ISK) for rivers and transitional waters for the western and eastern sides of the North Sea. Using globally-derived thresholds, G. bosc was assessed as low-medium invasiveness risk for both sides of the North Sea under current climate conditions. Under future climate conditions, potential invasiveness will increase for both risk assessment areas. Environmental suitability assessment indicated an increase in environmental suitability for G. bosc on the eastern coastline of the North Sea under climate change scenarios and suitability remained unchanged on the western coastline, reflecting the authors' expectations of invasiveness risk.
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Affiliation(s)
- Jennifer A Dodd
- Centre for Conservation and Restoration Science, School of Applied Sciences, Edinburgh Napier University, Edinburgh EH11 4BN, UK.
| | - Gordon H Copp
- Centre for Environment, Fisheries and Aquaculture Science, Pakefield Road, Lowestoft NR33 0HT, UK; Centre for Ecology, Environment and Sustainability, Bournemouth University, Poole, Dorset, UK; Faculty of Biology and Environmental Protection, University of Łódź, Poland; Environmental & Life Sciences Graduate Programme, Trent University, Peterborough, Ontario, Canada
| | - Hannah J Tidbury
- Centre for Environment, Fisheries and Aquaculture Science, Barrack Road, Weymouth DT4 8UB, UK
| | - Rob S E W Leuven
- Department of Animal Ecology and Physiology, Radboud Institute for Biological and Environmental Sciences (RIBES), Radboud University, P.O. Box 9010, 6500, GL, Nijmegen, the Netherlands; Netherlands Centre of Expertise on Exotic Species (NEC-E), P.O. Box 9010, 6500, GL, Nijmegen, the Netherlands
| | - Eric Feunteun
- Muséum National d'Histoire Naturelle, UMR Biologie des Organismes et Ecosystèmes Aquatiques BOREA (MNHN, CNRS, SU, UCN, IRD, UGA), Station marine de Dinard (CRESCO), 38 rue du Port Blanc, 35800 Dinard, France
| | - Karin H Olsson
- Department of Zoology, Tel Aviv University and Inter-University Institute for Marine Sciences, Eilat, Israel
| | | | - Anders Jelmert
- Institute of Marine Research, Flødevigen Research Station, NO-4817 His, Norway
| | - Kathryn A O'Shaughnessy
- Texas Parks and Wildlife Department, Coastal Fisheries, Austin, TX, USA; APEM Ltd., Riverview, A17 Embankment Business Park, Heaton Mersey, Stockport SK4 3NG, UK
| | - David Reeves
- National Fish and Wildlife Foundation, Washington, DC, United States
| | - Jorge Brenner
- Gulf of Mexico Coastal Ocean Observing System (GCOOS), Houston, TX, USA
| | - Hugo Verreycken
- Research Institute for Nature and Forest (INBO), Havenlaan 88 bus 73, B-1000 Brussels, Belgium
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Teixeira Alves M, Taylor NGH, Tidbury HJ. Understanding drivers of wild oyster population persistence. Sci Rep 2021; 11:7837. [PMID: 33837248 PMCID: PMC8035361 DOI: 10.1038/s41598-021-87418-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Accepted: 03/26/2021] [Indexed: 02/02/2023] Open
Abstract
Persistence of wild Pacific oyster, Magallana gigas, also known as Crassostrea gigas, has been increasingly reported across Northern European waters in recent years. While reproduction is inhibited by cold waters, recent warm summer temperature has increased the frequency of spawning events. Although correlation between the increasing abundance of Pacific oyster reefs in Northern European waters and climate change is documented, persistence of wild populations may also be influenced by external recruitment from farmed populations and other wild oyster populations, as well as on competition for resources with aquaculture sites. Our understanding of the combined impact of the spawning frequency, external recruitment, and competition on wild population persistence is limited. This study applied an age-structured model, based on ordinary differential equations, to describe an oyster population under discrete temperature-related dynamics. The impact of more frequent spawning events, external recruitment, and changes in carrying capacity on Pacific oyster density were simulated and compared under theoretical scenarios and two case studies in Southern England. Results indicate that long term persistence of wild oyster populations towards carrying capacity requires a high frequency of spawning events but that in the absence of spawning, external recruitment from farmed populations and other wild oyster populations may act to prevent extinction and increase population density. However, external recruitment sources may be in competition with the wild population so that external recruitment is associated with a reduction in wild population density. The implications of model results are discussed in the context of wild oyster population management.
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Affiliation(s)
- Mickael Teixeira Alves
- grid.14332.370000 0001 0746 0155Centre for Environment, Fisheries and Aquaculture Science, International Centre of Excellence for Aquatic Animal Health, Weymouth, DT4 8UB UK
| | - Nick G. H. Taylor
- grid.14332.370000 0001 0746 0155Centre for Environment, Fisheries and Aquaculture Science, International Centre of Excellence for Aquatic Animal Health, Weymouth, DT4 8UB UK
| | - Hannah J. Tidbury
- grid.14332.370000 0001 0746 0155Centre for Environment, Fisheries and Aquaculture Science, International Centre of Excellence for Aquatic Animal Health, Weymouth, DT4 8UB UK
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