Synergistic use of facebook, online questionnaires and local ecological knowledge to detect and reconstruct the bioinvasion of the Iberian Peninsula by Callinectes sapidus Rathbun, 1896

Izquierdo-Gómez, David

doi:10.1007/s10530-021-02696-0

Cited by 8 publications

(1 citation statement)

References 48 publications

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“…In reference to the miscellaneous gear category, several records are attributable to recreational fishing, mainly using spearguns. Lastly, the numerous visual records mapped in the Mediterranean area, with high concentrations in the Adriatic and Aegean Seas, Sicily, and Spain, are related to great research effort, also including participative methods of data collection [41][42][43][44][45]. These results suggest that artisanal fishers and citizens are the best actors to be involved in surveillance and early detection activities aimed at detecting C. sapidus, as was successfully experienced in the case of the invasion of the blue swimming crab Portunus segnis in the Pelagie Islands [24,46].…”

Section: Discussionmentioning

confidence: 99%

When Nature Requires a Resource to Be Used—The Case of Callinectes sapidus: Distribution, Aggregation Patterns, and Spatial Structure in Northwest Europe, the Mediterranean Sea, and Adjacent Waters

Castriota,

Falautano,

Perzia

2024

Biology

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The Atlantic blue crab Callinectes sapidus, which is native to the western Atlantic coast and listed among the 100 most invasive alien species in the Mediterranean Sea, is attracting a great deal of interest because of its rapid colonisation of new areas, the significant increase in its population, and the impacts it may have on ecosystems and ecosystem services. Outside its natural distribution range, the species was first found on European Atlantic coasts in the early 1900s and was introduced into the Mediterranean Sea a few decades later, probably through ballast water. Currently, it is found in almost the entire Mediterranean Basin and is also expanding into the Black Sea and along the north African and Iberian Atlantic coasts. Based on a systematic review of C. sapidus occurrences, this study describes its distribution, aggregation patterns, and spatial structure in Northwest Europe, the Mediterranean Sea, and adjacent waters through a series of ecological indicators elaborated using GIS spatial–temporal statistics. The main results highlight that the species is expanding in the Mediterranean and adjacent waters, while in northern Europe, the population remains confined in some areas. Furthermore, the main species detection methods are analysed, finding that traps and nets are the most frequently used methods, and management suggestions are provided.

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Section: Discussionmentioning

confidence: 99%

When Nature Requires a Resource to Be Used—The Case of Callinectes sapidus: Distribution, Aggregation Patterns, and Spatial Structure in Northwest Europe, the Mediterranean Sea, and Adjacent Waters

Castriota,

Falautano,

Perzia

2024

Biology

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Tracking abandoned, lost or discarded fishing gears of anglers by analyzing magnet fishers’ catch

Neményi,

Nagy,

Hagyó

et al. 2024

Hydrobiologia

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Abandoned, lost, or discarded fishing gears (ALDFG) are major pollutants in water ecosystems, however, there is a serious lack of estimates on the loss of recreational fishing gears worldwide. To fill this gap, some recreationists like magnet fishers, who use neodymium magnets to retrieve metal items from water, can provide additional information. As they often remove ALDFG, we aimed to carry out the first social media analysis of their online content by searching ALDFG in their posts. During our work, we analyzed Hungarian magnet fishers’ posts, covering a total of 6 years from their initial activities on social media. In total, 2,889 posts were scanned of which 1,039 photos and 84 videos were analyzed. Magnet fishers caught 2,018 fishing gears while a total of 31 types of fishing gear were identified. Significant differences were found between flowing (n = 1,959, mean ± SD = 12.89 ± 16.51) and standing waters (n = 889, mean ± SD = 24.69 ± 31.39) in the numbers of fishing gears. Based on the results, we can conclude that ALDFG is a common freshwater pollutant in the country, and social media activities of magnet fishers can be used in detecting freshwater ALDFG containing metal.

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Coastal Countercurrents Increase Propagule Pressure of an Aquatic Invasive Species to an Area Where Previous Introductions Failed

Encarnação

Krug

Teodósio

et al. 2022

Estuaries and Coasts

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Synergistic use of facebook, online questionnaires and local ecological knowledge to detect and reconstruct the bioinvasion of the Iberian Peninsula by Callinectes sapidus Rathbun, 1896

Cited by 8 publications

References 48 publications

When Nature Requires a Resource to Be Used—The Case of Callinectes sapidus: Distribution, Aggregation Patterns, and Spatial Structure in Northwest Europe, the Mediterranean Sea, and Adjacent Waters

When Nature Requires a Resource to Be Used—The Case of Callinectes sapidus: Distribution, Aggregation Patterns, and Spatial Structure in Northwest Europe, the Mediterranean Sea, and Adjacent Waters

Tracking abandoned, lost or discarded fishing gears of anglers by analyzing magnet fishers’ catch

Coastal Countercurrents Increase Propagule Pressure of an Aquatic Invasive Species to an Area Where Previous Introductions Failed

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