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Hilliam K, Floerl O, Treml EA. Priorities for improving predictions of vessel-mediated marine invasions. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 921:171162. [PMID: 38401736 DOI: 10.1016/j.scitotenv.2024.171162] [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: 10/10/2023] [Revised: 01/22/2024] [Accepted: 02/19/2024] [Indexed: 02/26/2024]
Abstract
Nonindigenous marine species are impacting the integrity of marine ecosystems worldwide. The invasion rate is increasing, and vessel traffic, the most significant human-assisted transport pathway for marine organisms, is predicted to double by 2050. The ability to predict the transfer of marine species by international and domestic maritime traffic is needed to develop cost-effective proactive and reactive interventions that minimise introduction, establishment and spread of invasive species. However, despite several decades of research into vessel-mediated species transfers, some important knowledge gaps remain, leading to significant uncertainty in model predictions, often limiting their use in decision making and management planning. In this review, we discuss the sequential ecological process underlying human-assisted biological invasions and adapt it in a marine context. This process includes five successive stages: entrainment, transport, introduction, establishment, and the subsequent spread. We describe the factors that influence an organism's progression through these stages in the context of maritime vessel movements and identify key knowledge gaps that limit our ability to quantify the rate at which organisms successfully pass through these stages. We then highlight research priorities that will address these knowledge gaps and improve our capability to manage biosecurity risks at local, national and international scales. We identified four major data and knowledge gaps: (1) quantitative rates of entrainment of organisms by vessels; (2) the movement patterns of vessel types lacking maritime location devices; (3) quantifying the release (introduction) of organisms as a function of vessel behaviour (e.g. time spent at port); and (4) the influence of a species' life history on establishment success, for a given magnitude of propagule pressure. We discuss these four research priorities and how they can be addressed in collaboration with industry partners and stakeholders to improve our ability to predict and manage vessel-mediated biosecurity risks over the coming decades.
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Affiliation(s)
- Kyle Hilliam
- School of Life and Environmental Sciences, Centre for Marine Science, Deakin University, Geelong, Victoria 3220, Australia; Cawthron Institute, 98 Halifax Street East, Nelson 7010, New Zealand.
| | - O Floerl
- Cawthron Institute, 98 Halifax Street East, Nelson 7010, New Zealand; LWP Ltd, 212 Antigua Street, Christchurch 8011, New Zealand
| | - E A Treml
- School of Life and Environmental Sciences, Centre for Marine Science, Deakin University, Geelong, Victoria 3220, Australia; Australian Institute of Marine Science (AIMS) and UWA Oceans Institute, The University of Western Australia, MO96, 35 Stirling Highway, Crawley, WA 6009, Australia
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Lovett B, Cahill P, Fletcher L, Cunningham S, Davidson I. Anthropogenic Vector Ecology and Management to Combat Disease Spread in Aquaculture. ENVIRONMENTAL MANAGEMENT 2024:10.1007/s00267-023-01932-8. [PMID: 38252133 DOI: 10.1007/s00267-023-01932-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Accepted: 12/21/2023] [Indexed: 01/23/2024]
Abstract
Anthropogenic vectors (transfer mechanisms) can facilitate the introduction and spread of aquatic disease in marine farming regions. Preventing or interrupting pathogen transfers associated with movements of these vectors is key to ensuring productivity and profitability of aquaculture operations. However, practical methods to identify and manage vector risks are lacking. We developed a risk analysis framework to identify disease risks and management gaps associated with anthropogenic vector movements in New Zealand's main aquaculture sectors - Chinook salmon (Oncorhynchus tshawytscha), green-lipped mussels (Perna canaliculus), and Pacific oysters (Crassostrea gigas). Vectors within each sector were identified and assigned categorical risk scores for (i) movement characteristics (size, frequency, likelihood of return to sea), (ii) biological association with pathogens (entrainment potential, contribution to previous aquaculture disease outbreaks) and (iii) available best practice biosecurity methods and tools, to inform unmitigated and mitigated risk rankings. Thirty-one vectors were identified to operate within the national network and association with livestock was found to be a primary driver of vector risk rankings. Movements of live growing stock and culture substrates (e.g., mussel ropes) in shellfish farming had high-risk vector profiles that are logistically challenging to address, while vessel vectors were identified as the salmon farming sector's priority. The framework and rankings can be used to inform both research and management priorities in aquaculture and other primary production systems, including risk validation, vector roles in disease epidemiology, compliance with permit conditions, policy development, and treatment options.
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Affiliation(s)
- Bailey Lovett
- Biosecurity Group, Cawthron Institute, 98 Halifax Street East, Nelson, 7010, New Zealand.
| | - Patrick Cahill
- Biosecurity Group, Cawthron Institute, 98 Halifax Street East, Nelson, 7010, New Zealand
| | - Lauren Fletcher
- Biosecurity Group, Cawthron Institute, 98 Halifax Street East, Nelson, 7010, New Zealand
| | - Shaun Cunningham
- Biosecurity Group, Cawthron Institute, 98 Halifax Street East, Nelson, 7010, New Zealand
- Department of Natural History Sciences, Graduate School of Science, Hokkaido University, Sapporo, 060-0810, Japan
| | - Ian Davidson
- Biosecurity Group, Cawthron Institute, 98 Halifax Street East, Nelson, 7010, New Zealand
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Carvalho S, Shchepanik H, Aylagas E, Berumen ML, Costa FO, Costello MJ, Duarte S, Ferrario J, Floerl O, Heinle M, Katsanevakis S, Marchini A, Olenin S, Pearman JK, Peixoto RS, Rabaoui LJ, Ruiz G, Srėbalienė G, Therriault TW, Vieira PE, Zaiko A. Hurdles and opportunities in implementing marine biosecurity systems in data-poor regions. Bioscience 2023; 73:494-512. [PMID: 37560322 PMCID: PMC10408360 DOI: 10.1093/biosci/biad056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 05/26/2023] [Accepted: 06/06/2023] [Indexed: 08/11/2023] Open
Abstract
Managing marine nonindigenous species (mNIS) is challenging, because marine environments are highly connected, allowing the dispersal of species across large spatial scales, including geopolitical borders. Cross-border inconsistencies in biosecurity management can promote the spread of mNIS across geopolitical borders, and incursions often go unnoticed or unreported. Collaborative surveillance programs can enhance the early detection of mNIS, when response may still be possible, and can foster capacity building around a common threat. Regional or international databases curated for mNIS can inform local monitoring programs and can foster real-time information exchange on mNIS of concern. When combined, local species reference libraries, publicly available mNIS databases, and predictive modeling can facilitate the development of biosecurity programs in regions lacking baseline data. Biosecurity programs should be practical, feasible, cost-effective, mainly focused on prevention and early detection, and be built on the collaboration and coordination of government, nongovernment organizations, stakeholders, and local citizens for a rapid response.
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Affiliation(s)
- Susana Carvalho
- King Abdullah University of Science and Technology, Red Sea Research Center, 23955-6900 Thuwal, Saudi Arabia
| | - Hailey Shchepanik
- King Abdullah University of Science and Technology, Red Sea Research Center, 23955-6900 Thuwal, Saudi Arabia
| | - Eva Aylagas
- King Abdullah University of Science and Technology, Red Sea Research Center, 23955-6900 Thuwal, Saudi Arabia
- Red Sea Global, Riyadh 12382-6726, Saudi Arabia
| | - Michael L Berumen
- King Abdullah University of Science and Technology, Red Sea Research Center, 23955-6900 Thuwal, Saudi Arabia
| | - Filipe O Costa
- Centre of Molecular and Environmental Biology (CBMA) and Institute of Science and Innovation for Bio-Sustainability (IB-S), University of Minho, Campus de Gualtar, 4710-057, Braga, Portugal
| | | | - Sofia Duarte
- Centre of Molecular and Environmental Biology (CBMA) and Institute of Science and Innovation for Bio-Sustainability (IB-S), University of Minho, Campus de Gualtar, 4710-057, Braga, Portugal
| | - Jasmine Ferrario
- Department of Earth and Environmental Sciences, University of Pavia, Pavia, Italy
| | | | - Moritz Heinle
- Applied Research Center for Environment & Marine Studies, King Fahd University of Petroleum & Minerals, Dhahran, Saudi Arabia
- International Centre for Water Resources and Global Change, Federal Institute of Hydrology, Koblenz, Germany
| | | | - Agnese Marchini
- Department of Earth and Environmental Sciences, University of Pavia, Pavia, Italy
| | - Sergej Olenin
- Marine Research Institute, Klaipeda University, Lithuania
| | | | - Raquel S Peixoto
- King Abdullah University of Science and Technology, Red Sea Research Center, 23955-6900 Thuwal, Saudi Arabia
| | - Lotfi J Rabaoui
- Applied Research Center for Environment & Marine Studies, King Fahd University of Petroleum & Minerals, Dhahran, Saudi Arabia
- National Center for Wildlife, Riyadh, Saudi Arabia
| | - Greg Ruiz
- Smithsonian Environmental Research Center, Edgewater, Maryland
| | | | | | - Pedro E Vieira
- Centre of Molecular and Environmental Biology (CBMA) and Institute of Science and Innovation for Bio-Sustainability (IB-S), University of Minho, Campus de Gualtar, 4710-057, Braga, Portugal
| | - Anastasija Zaiko
- Cawthron Institute, Nelson, New Zealand
- Institute of Marine Science, University of Auckland, Auckland, New Zealand
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García-Lafuente J, Nadal I, Sammartino S, Korbee N, Figueroa FL. Could secondary flows have made possible the cross-strait transport and explosive invasion of Rugulopteryx okamurae algae in the Strait of Gibraltar? PLoS One 2023; 18:e0285470. [PMID: 37220121 DOI: 10.1371/journal.pone.0285470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Accepted: 04/25/2023] [Indexed: 05/25/2023] Open
Abstract
Presently, the Strait of Gibraltar is undergoing an unprecedented invasion of the alien alga Rugulopteryx okamurae of North Pacific origin. According to the scarce literature, the algae first settled in the south shore, probably following commercial exchanges with French ports where it was accidentally introduced together with Japanese oysters imported for mariculture. There is no certainty, however, that the algae first colonized the south shore of the Strait and, from there, spread to the north. It could well have been the opposite. Whatever the case, it spread all over the Strait and surrounding areas with amazing rapidity. Human-mediated vectors (algae attached to ship hulls or fishing nets, for example) can be behind the spread from the shore initially settled to the algae-free shore on the opposite side. But it could also have happened by means of hydrodynamic processes without direct human intervention. This possibility is assessed in this paper by revisiting historical current meter profiles collected in the Strait of Gibraltar searching for secondary cross-strait flows. All the stations present an intermediate layer of northward cross-strait velocity near the interface of the mean baroclinic exchange along with a surface layer above of southward velocity, whose lower part also overlaps the interface zone. The first one would back the south-to-north transport of algal fragments, the second one, the north-to south. In both cases, algae must reach the depth of the interface. The vertical velocity field in the area, which far exceeds the small sedimentation velocity of the algae, allows their vertical displacements throughout the water column. Its endurance to survive under the weak or no light conditions that will prevail during the cross-strait transport and its capability of reactivating the metabolism after this unfavorable period, offers chances for colonizing the opposite shore. Therefore, the propagation of the algae by hydrodynamic processes, without human intervention, cannot be ruled out.
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Affiliation(s)
- Jesús García-Lafuente
- Physical Oceanography Group, Instituto de Biotecnología y Desarrollo Azul (IBYDA), Universidad de Málaga, Málaga, Spain
| | - Irene Nadal
- Physical Oceanography Group, Instituto de Biotecnología y Desarrollo Azul (IBYDA), Universidad de Málaga, Málaga, Spain
| | - Simone Sammartino
- Physical Oceanography Group, Instituto de Ingeniería Oceánica (IIO), Universidad de Málaga, Málaga, Spain
| | - Nathalie Korbee
- Department of Ecology and Geology, Instituto de Biotecnología y Desarrollo Azul (IBYDA), Universidad de Málaga, Málaga, Spain
| | - Félix L Figueroa
- Department of Ecology and Geology, Instituto de Biotecnología y Desarrollo Azul (IBYDA), Universidad de Málaga, Málaga, Spain
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Song WH, Li JJ. The effects of intraspecific variation on forecasts of species range shifts under climate change. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 857:159513. [PMID: 36257416 DOI: 10.1016/j.scitotenv.2022.159513] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2022] [Revised: 10/12/2022] [Accepted: 10/13/2022] [Indexed: 06/16/2023]
Abstract
As global climate change is altering the distribution range of macroalgae across the globe, it is critical to assess its impact on species range shifts to inform the biodiversity conservation of macroalgae. Latitude/environmental gradients could cause intraspecific variability, which may result in distinct responses to climate change. It remains unclear whether geographical variation occurs in the response of species' populations to climate change. We tested this assumption using the brown alga Sargassum thunbergii, a habitat-forming macroalgae encompassing multiple divergent lineages along the Northwest Pacific. Previous studies revealed a distinct lineage of S. thunbergii in rear-edge populations. Given the phylogeographic structure and temperature gradients, we divided these populations into the southern and northern groups. We assessed the physiological responses of the two groups to temperature changes and estimated their niche differences using n-dimensional hypervolumes. A higher photosynthetic rate and antioxidative abilities were detected in the southern group of S. thunbergii than in the northern group. In addition, significant niche differentiation was detected between the two groups, suggesting the possibility for local adaptation. Given these results, we inferred that the southern group (rear-edge populations) may be more resilient to climate change. To examine climate-driven range shifts of S. thunbergii, we constructed species- and lineage-level species distribution models (SDMs). Predictions of both levels showed considerable distribution contracts along the Chinese coasts in the future. For the southern group, the lineage-level model predicted less habitat loss than the species-level model. Our results highlight the importance of considering intraspecific variation in climate change vulnerability assessments for coastal species.
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Affiliation(s)
- Wang-Hui Song
- Jiangsu Province Engineering Research Center for Marine Bio-resources Sustainable Utilization, College of Oceanography, Hohai University, Nanjing 210024, China
| | - Jing-Jing Li
- Jiangsu Province Engineering Research Center for Marine Bio-resources Sustainable Utilization, College of Oceanography, Hohai University, Nanjing 210024, China.
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Transmission of stony coral tissue loss disease (SCTLD) in simulated ballast water confirms the potential for ship-born spread. Sci Rep 2022; 12:19248. [PMID: 36357458 PMCID: PMC9649619 DOI: 10.1038/s41598-022-21868-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Accepted: 10/04/2022] [Indexed: 11/12/2022] Open
Abstract
Stony coral tissue loss disease (SCTLD) remains an unprecedented epizootic disease, representing a substantial threat to the persistence and health of coral reef ecosystems in the Tropical Western Atlantic since its first observation near Miami, Florida in 2014. In addition to transport between adjacent reefs indicative of waterborne pathogen(s) dispersing on ocean currents, it has spread throughout the Caribbean to geographically- and oceanographically-isolated reefs, in a manner suggestive of ship and ballast water transmission. Here we evaluate the potential for waterborne transmission of SCTLD including via simulated ballast water, and test the efficacy of commonly-used UV radiation treatment of ballast water. Two species of reef-building corals (Orbicella faveolata and Pseudodiploria strigosa) were subjected to (1) disease-exposed or UV-treated disease-exposed water, and (2) a ballast hold time series of disease-exposed water in two carefully-controlled experiments to evaluate transmission. Our experiments demonstrated transmission of SCTLD through water, rather than direct contact between diseased and healthy corals. While UV treatment of disease-exposed water led to a 50% reduction in the number of corals exhibiting disease signs in both species, the statistical risk of transmission and volume of water needed to elicit SCTLD lesions remained similar to untreated disease-exposed water. The ballast hold time (24 h vs. 120 h) did not have a significant effect on the onset of visible disease signs for either species, though there appeared to be some evidence of a concentration effect for P. strigosa as lesions were only observed after the 120 h ballast hold time. Results from both experiments suggest that the SCTLD pathogens can persist in both untreated and UV-treated ballast water and remain pathogenic. Ballast water may indeed pose a threat to the continued spread and persistence of SCTLD, warranting further investigation of additional ballast water treatments and pathogen detection methods.
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Castro N, Gestoso I, Marques CS, Ramalhosa P, Monteiro JG, Costa JL, Canning-Clode J. Anthropogenic pressure leads to more introductions: Marine traffic and artificial structures in offshore islands increases non-indigenous species. MARINE POLLUTION BULLETIN 2022; 181:113898. [PMID: 35843167 DOI: 10.1016/j.marpolbul.2022.113898] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Revised: 06/23/2022] [Accepted: 06/25/2022] [Indexed: 06/15/2023]
Abstract
Anthropogenic pressures such as the introduction of non-indigenous species (NIS) have impacted global biodiversity and ecosystems. Most marine species spreading outside their natural biogeographical limits are promoted and facilitated by maritime traffic through ballast water and hull biofouling. Propagule pressure plays a primary role in invasion success mixed with environmental conditions of the arrival port. Moreover, with the current ocean sprawl, new substrates are offered for potential NIS recruits. Here, differences in the fouling assemblages thriving inside three different ports/marinas facilities in Madeira Island were assessed for comparison. The locations showed significant differences concerning assemblage structure. Most NIS were detected in plastic floating pontoons. Funchal harbour receives most of the marine traffic in Madeira, acting as the main hub for primary NIS introductions, being recreational boating involved in NIS secondary transfers. Our results highlight the need for future management actions in island ecosystems, particularly monitoring and sampling of recreational boating.
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Affiliation(s)
- Nuno Castro
- MARE - Marine and Environmental Sciences Centre/ARNET - Aquatic Research Network, Agência Regional para o Desenvolvimento da Investigação Tecnologia e Inovação (ARDITI), Funchal, Madeira, Portugal; MARE - Marine and Environmental Sciences Centre/ARNET - Aquatic Research Network, Faculdade de Ciências, Universidade de Lisboa, Lisbon, Portugal.
| | - Ignacio Gestoso
- MARE - Marine and Environmental Sciences Centre/ARNET - Aquatic Research Network, Agência Regional para o Desenvolvimento da Investigação Tecnologia e Inovação (ARDITI), Funchal, Madeira, Portugal; Department of Biology, Faculty of Marine and Environmental Sciences of University of Cádiz, Puerto Real, Spain; Smithsonian Environmental Research Center, Edgewater, MD, USA
| | - Carolina S Marques
- Centro de Estatística e Aplicações, Faculdade de Ciências, Universidade de Lisboa, Lisbon, Portugal
| | - Patrício Ramalhosa
- MARE - Marine and Environmental Sciences Centre/ARNET - Aquatic Research Network, Agência Regional para o Desenvolvimento da Investigação Tecnologia e Inovação (ARDITI), Funchal, Madeira, Portugal; OOM - Oceanic Observatory of Madeira, Agência Regional para o Desenvolvimento da Investigação Tecnologia e Inovação (ARDITI), Funchal, Madeira, Portugal
| | - João G Monteiro
- MARE - Marine and Environmental Sciences Centre/ARNET - Aquatic Research Network, Agência Regional para o Desenvolvimento da Investigação Tecnologia e Inovação (ARDITI), Funchal, Madeira, Portugal
| | - José L Costa
- MARE - Marine and Environmental Sciences Centre/ARNET - Aquatic Research Network, Faculdade de Ciências, Universidade de Lisboa, Lisbon, Portugal; Departamento de Biologia Animal, Faculdade de Ciências da Universidade de Lisboa, Lisboa, Portugal
| | - João Canning-Clode
- MARE - Marine and Environmental Sciences Centre/ARNET - Aquatic Research Network, Agência Regional para o Desenvolvimento da Investigação Tecnologia e Inovação (ARDITI), Funchal, Madeira, Portugal; Smithsonian Environmental Research Center, Edgewater, MD, USA
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