Harnessing universal chemical markers to trace the provenance of marine animals

Doubleday, Zoë A.; Martino, Jasmin C.; Trueman, Clive N.

doi:10.1016/j.ecolind.2022.109481

Cited by 9 publications

(8 citation statements)

References 30 publications

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“…Some, such as Militz et al ( 37 ), also now suggest reviving a sustainable certification system. Certification will require solving traceability and fidelity issues ( 38 ), active governance (e.g., an internationally focused management organization), evidence-based management for those at-risk species highlighted here, industry buy-in, consumer education, and the incentivization of sustainable practices [see ( 21 ) for possible approaches]. Nevertheless, unlike many other blue-food coral fisheries ( 5 ), we have shown that the MAT’s global value provides considerable fiscal leverage for protecting those communities already most at risk from a business-as-usual future.…”

Section: Discussionmentioning

confidence: 99%

“…For those LMEs containing coral reefs, the Sulu-Celebes (37) and Indonesian (38) seas are placed in the Very High exploitation level, while Fiji (147), the Seychelles (96), New Caledonia (149), The Mascerne Islands (98), and The Eastern Galapagos (173) are the five Very High exploitation level ecoregions. Figure 3 also shows (for LMEs only) that higher exploitation levels generally align with higher integrated local threat index (ILTI) threat scores (e.g., within the coral triangle), supported by a positive, though not statistically significant, correlation between total number of organisms traded per km 2 and ILTI scores (R = 0.292, P = 0.2).…”

Section: Identifying Priority Species and Regionsmentioning

confidence: 99%

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Can the global marine aquarium trade (MAT) be a model for sustainable coral reef fisheries?

Watson,

Kohler,

Collins

et al. 2023

Sci. Adv.

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Globally, 6 million coral reef fishers provide ~25% of emergent countries’ catch, but species have low value. The marine aquarium trade (MAT) targets high-value biodiversity, but missing data amplify draconian governance and demand for international prohibition. To stimulate sustainability and reef conservation investment, we generate a fiscal baseline using the first global analysis of numbers, diversity, and biomass of MAT-traded organisms. Each year, ~55 million organisms worth US$2.15 billion at retail are traded comparable with major fisheries, e.g., tuna. A sustainable MAT also requires overexploitation assessments. We identify 25 species/genera with “Extremely High” risk ratios and place the Indonesian and Sulu-Celebes Seas in the highest exploitation category. Despite predicted hobbyist number increases, unabated reef degradation and low governance will transform the MAT into an aquaculture-dominated industry decoupled from communities (i.e., culture located in importing countries). A “MAT-positive” future requires evidence-based management/governance, consumer education, and sustainable practice incentivization but can address the biodiversity and social and economic inequality crises.

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Section: Discussionmentioning

confidence: 99%

Section: Identifying Priority Species and Regionsmentioning

confidence: 99%

Can the global marine aquarium trade (MAT) be a model for sustainable coral reef fisheries?

Watson,

Kohler,

Collins

et al. 2023

Sci. Adv.

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show abstract

“…Biomineralised tissues are particularly useful for tracing the geographic origins of seafood as they are metabolically inert and the chemical information is permanently locked in the carbonate matrix. Individual isotope tracers such as δ 18 O or 87 Sr/ 86 Sr (the latter useful in freshwater organisms only) are incorporated with little or no physiological constraints and can be applied universally; further, multi-elemental tracers can be readily optimised for individual species across different spatial resolutions (Doubleday et al 2022 ; Reis-Santos et al 2022 ). This contrasts with chemical markers bound within soft tissue, such as muscle, which are subject to tissue turnover (i.e.…”

Section: Global: Test and Validatementioning

confidence: 99%

Innovation to limit seafood fraud post-COVID-19

Lindley

Sousa²,

Doubleday

et al. 2022

Rev Fish Biol Fisheries

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Seafood is an important source of protein and micronutrients, but fishery stocks are increasingly under pressure from both legitimate and illegitimate fishing practices. Sustainable management of our oceans is a global responsibility, aligning with United Nations Sustainable Development Goal 14, Life Below Water . In a post-COVID-19 world, there is an opportunity to build back better, where locally sourced food via transparent supply chains are ever-more important. This article summarises emerging research of two innovative case studies in detecting and validating seafood provenance; and using alternative supply chains to minimise the opportunity for seafood fraud in a post-COVID-19 world.

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“…To date, most seafood provenance studies have focused on developing isotopic and trace element profiles within soft tissues, or trace element profiles within calcium carbonate tissues [ 6 ]. However, isotopic profiles within calcium carbonate structures, such as shells, also show powerful potential for identifying region of origin as they can precisely record environmental information, such as water composition, salinity and temperature [ 7 , 8 ]. For example, stable isotope values of oxygen ( δ 18 O) in seawater, which are mediated by salinity, are primarily incorporated in equilibrium into carbonate structures with a temperature-related offset [ 9 ].…”

Section: Introductionmentioning

confidence: 99%

Using isotopic fingerprints in gastropod shells to validate commercial production pathway and geographic provenance

Boultby,

Martino,

Baring

et al. 2024

R. Soc. Open Sci.

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Growing demand for high-value seafood is fuelling provenance fraud, which threatens the sustainability of wild fisheries while posing biosecurity and human health risks. Here, we investigated carbon ( δ 13 C) and oxygen ( δ 18 O) isotopes in abalone shells ( Haliotis sp.) to determine the production method and geographical provenance. Using X-ray diffraction and isotope ratio mass spectrometry, we found that shell mineralogy did not influence isotope values. Isotope values between wild and farmed sectors were statistically different, with 64% of individuals correctly classified as farmed or wild. Subsequently, we successfully distinguished the provenance of abalone collected from farms (with 83% of individuals correctly classified), as well as wild-caught abalone collected from four state jurisdictions (with 88% correctly classified). Carbon isotopes were strongly correlated to longitude, with both isotopes correlated to latitude. Overall, this study demonstrates the potential of isotopic fingerprints in gastropod shells to track the provenance of commercially valuable species.

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Harnessing universal chemical markers to trace the provenance of marine animals

Cited by 9 publications

References 30 publications

Can the global marine aquarium trade (MAT) be a model for sustainable coral reef fisheries?

Can the global marine aquarium trade (MAT) be a model for sustainable coral reef fisheries?

Innovation to limit seafood fraud post-COVID-19

Using isotopic fingerprints in gastropod shells to validate commercial production pathway and geographic provenance

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