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Natalia Díaz Arce

Natalia Díaz Arce
AZTI · Marine Research Division

PhD

About

9
Publications
2,516
Reads
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145
Citations
Citations since 2016
9 Research Items
142 Citations
2016201720182019202020212022010203040
2016201720182019202020212022010203040
2016201720182019202020212022010203040
2016201720182019202020212022010203040

Publications

Publications (9)
Article
Seafood traceability represents a major goal for regulators and fishing industries worldwide who seek to prevent commercial fraud, protect marine resources and ensure consumer safety. Genetic approaches can be used to trace the provenance of seafood based on the ability of DNA markers to assign samples back to their population of origin. Here, we h...
Preprint
Full-text available
In a recent study, Blanco-Fernandez et al. applied molecular tools to authenticate fish products and conclude evidence of 'worrying international fraud'. They revealed mislabeling in recognizable and unrecognizable fish products labeled as anchovy, hake and tuna commercialized by European companies. Their analyses consisted on extracting DNA from t...
Article
Full-text available
Understanding population connectivity within a species as well as potential interactions with its close relatives is crucial to define management units and to derive efficient management actions. However, although genetics can reveal mismatches between biological and management units and other relevant but hidden information such as species misiden...
Preprint
Full-text available
Genetics analyses can reveal mismatches between biological and management units and thus prevent derived ineffective management actions that could lead to serious consequences for fisheries management. Additionally, genetics could reveal other relevant but hidden information such as species misidentification or hybridization. Here, we have assessed...
Article
Full-text available
The southern king crab Lithodes santolla experiences low temperatures and unpredictable food conditions, and is under variable fishing pressure. To compare the reproductive investment of females, crabs were captured from three sites (Beagle Channel 55°S, Tierra del Fuego Atlantic coast 52-54°S and San Jorge Gulf 45-47°S). Fecundity, water and lipid...
Article
Effective sustainable management of marine fisheries requires that assessed management units (that is, fish stocks) correspond to biological populations. This issue has long been discussed in the context of Atlantic bluefin tuna (ABFT, Thunnus thynnus) management, which currently considers two unmixed stocks but does not take into account how indiv...
Article
Full-text available
Restriction site-associated DNA sequencing (RAD-seq) has become a powerful and widely used tool in molecular ecology studies as it allows to cost-effectively recover thousands of polymorphic sites across individuals of non-model organisms. However, its successful implementation in population genetics relies on correct data processing that would min...
Article
Full-text available
Although species from the genus Thunnus include some of the most commercially important and most severely overexploited fishes, the phylogeny of this genus is still unresolved, hampering evolutionary and traceability studies that could help improve conservation and management strategies for these species. Previous attempts based on mitochondrial an...

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