Adding value to ragworms (Hediste diversicolor) through the bioremediation of a super-intensive marine fish farm

Marques, Bruna; Lillebø, Ana I.; Ricardo, Fernando; Nunes, Cláudia; Coimbra, Manuel A.; Calado, Ricardo

doi:10.3354/aei00255

Cited by 34 publications

(42 citation statements)

References 31 publications

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“…A recent study confirmed the potential of this species for the bioremediation of intensive marine fish farm effluents and highlighted its ability to retain high-value nutrients (e.g. HUFA in general and EPA in particular, and to a lesser extent DHA) from fish feeds that would otherwise be lost from the production environment (Marques et al 2018). Fowler (1999) should be taken into consideration.…”

Section: Introductionmentioning

confidence: 80%

“…HUFA in general and EPA in particular, and to a lesser extent DHA) from fish feeds that would otherwise be lost from the production environment (Marques et al . ).…”

Section: Polychaete's Potential For Aquaculturementioning

confidence: 97%

“…Marques et al . () showed that H. diversicolor enables the recovery of HUFAs (e.g. EPA, DHA and AA) and palmitic acid into the tissues of these polychaetes.…”

Section: Polychaete's Potential For Aquaculturementioning

confidence: 99%

“…Oleic (C 18:1 n9), eicosapentaenoic (C 20:5 n3), docosahexaenoic (C 22:6 n3) and stearic (C 18:0) acids were also higher in H. diversicolor fed with experimental diets. Marques et al (2018) showed that H. diversicolor enables the recovery of HUFAs (e.g. EPA, DHA and AA) and palmitic acid into the tissues of these polychaetes.…”

Section: New Potential Candidatesmentioning

confidence: 99%

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Insight into aquaculture's potential of marine annelid worms and ecological concerns: a review

Pombo

Baptista

Granada

et al. 2018

Reviews in Aquaculture

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Polychaetes are marine annelid worms that can contribute to aquaculture diversification. Its culture has been viable, and commercially attempted, but intensive production has progressed only in few countries around the world. In the countries with no production, marine polychaetes are imported or harvested. A strong and sustained research investment provided to a better understanding of the nutritional requirements and reproduction of some species. Recent studies showed new technical improvements, which can lead to an important progress in productivity and give a new impetus to the polychaete production. Some marine worm species were identified as good candidates for integrated multitrophic aquaculture. The development of cost‐effective aquaculture techniques for marine annelid worms is essential to ensure a balance between commercial interests and the preservation of ecosystems. The influence of polychaete aquaculture on the environment and vice versa raise important concerns related to ecological security and sustainability of this activity. This review focus on the main technical improvements and advances that have been made in areas as diverse as: aquaculture potential of polychaetes, reared species, main species used worldwide, and highlights biological and ecological concerns, important challenges and recommendations.

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Section: Introductionmentioning

confidence: 80%

“…HUFA in general and EPA in particular, and to a lesser extent DHA) from fish feeds that would otherwise be lost from the production environment (Marques et al . ).…”

Section: Polychaete's Potential For Aquaculturementioning

confidence: 97%

“…Marques et al . () showed that H. diversicolor enables the recovery of HUFAs (e.g. EPA, DHA and AA) and palmitic acid into the tissues of these polychaetes.…”

Section: Polychaete's Potential For Aquaculturementioning

confidence: 99%

Section: New Potential Candidatesmentioning

confidence: 99%

See 2 more Smart Citations

Insight into aquaculture's potential of marine annelid worms and ecological concerns: a review

Pombo

Baptista

Granada

et al. 2018

Reviews in Aquaculture

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show abstract

“…Moreover, they can incorporate the valuable nutraceutical compounds from wasted aquafeeds, such as EPA and DHA fatty acids, adding value to the production (Marques et al . ).…”

Section: Aquaculture Can Deliver Key Ecosystem Servicesmentioning

confidence: 97%

Valuation of Ecosystem Services to promote sustainable aquaculture practices

Custódio

Villasante

Calado

et al. 2019

Reviews in Aquaculture

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Conceptual frameworks to assess and valuate Ecosystem Services (ES) are rapidly becoming important tools for ecosystem‐based management, as they support transdisciplinary approaches to ecological economics and expand current asset boundaries to include natural and social capital. An important area where such ES assessment frameworks could become relevant management tools is aquaculture. Aquaculture activities are an interconnected part of the ecosystem in which they exist and, under certain circumstances, can support many of the same fundamental ES provided by nature. But, in most cases, aquaculture typically increases provisioning services at the expense of the other services (regulation & maintenance and cultural services). To understand the capacity of ES valuation methods to expose existing ES trade‐offs in areas under aquaculture development, this study provides a literature review of publications that assessed and valuated ES delivered and/or impacted by aquaculture. In general, it seems that certain types of aquaculture do negatively impact overall ES delivery (e.g. intensive mangrove shrimp farming in Asia), yet certain modes of production (e.g. integrated multi‐trophic aquaculture) and cultured species (e.g. algae and certain bivalves) can have a positive impact on ES, not only improving provisioning services but also regulation and maintenance services and, potentially, cultural services. ES valuation methods provide important data that facilitate discussion among stakeholders and policymakers and should be included in marine and coastal management planning processes to foster a more sustainable aquaculture.

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Trophic upgrading of long-chain polyunsaturated fatty acids by polychaetes: a stable isotope approach using Alitta virens

et al. 2021

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Polychaete worms are rich sources of polyunsaturated fatty acids (PUFA) and are increasingly incorporated into aquaculture broodstock diets. Conventionally, the build-up of PUFA in polychaetes was considered passive, with direct accumulation along the food web, originating with microalgae and other primary producers. However, it has been argued that polychaetes (and other multicellular eukaryotes) are capable of PUFA biosynthesis through the elongation and desaturation of precursor lipids. We further test this hypothesis in the ecologically and economically important nereid polychaete Alitta virens by adopting a stable isotope labelling approach. Worms were fed a 13C-1-palmitic acid (C16:0) enriched diet with the resulting isotopically enriched lipid products identified over a 7-day period. The data showed strong evidence of lipid elongation and desaturation, but with a high rate of PUFA turnover. A putative biosynthetic pathway is proposed, terminating with docosahexaenoic acid (DHA) via arachidonic (AA) and eicosapentaenoic acids (EPA) and involving a Δ8 desaturase.

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Adding value to ragworms (Hediste diversicolor) through the bioremediation of a super-intensive marine fish farm

Cited by 34 publications

References 31 publications

Insight into aquaculture's potential of marine annelid worms and ecological concerns: a review

Insight into aquaculture's potential of marine annelid worms and ecological concerns: a review

Valuation of Ecosystem Services to promote sustainable aquaculture practices

Trophic upgrading of long-chain polyunsaturated fatty acids by polychaetes: a stable isotope approach using Alitta virens

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