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MEDITS-based information on the deep-water red shrimps Aristaeomorpha foliacea and Aristeus antennatus (Crustacea: Decapoda: Aristeidae) Cau, A.; Carbonell, A.; Follesa, M.C.; Mannini, A.; Norrito, G.; Orsi Relini, L.; Politou, C.-Y.; Ragonese, S.; Rinelli, P. (2002). MEDITS-based information on the deep-water red shrimps Aristaeomorpha foliacea and Aristeus antennatus (Crustacea: Decapoda: Aristeidae). Sci. Mar. (Barc.) 66(S2): 103-124. https://dx.doi.org/10.3989/scimar.2002.66s2103 In: Scientia Marina (Barcelona). Consejo Superior de Investigaciones Científicas. Institut de Ciènces del Mar: Barcelona. ISSN 0214-8358; e-ISSN 1886-8134, meer Ook verschenen in: Abelló, P.; Bertrand, J.A.; Gil de Sola, L.; Papaconstantinou, C.; Relini, G.; Souplet, A. (2002). Mediterranean marine demersal resources: the MEDITS international trawl survey (1994-1999). Scientia Marina (Barcelona), 66(S2). Institut de Ciències del Mar: Barcelona. 280 pp. https://dx.doi.org/10.3989/scimar.2002.66s2, meer

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Beschikbaar in	Auteurs
VLIZ: Open access 358024 [ download pdf ]

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Trefwoorden

Biology Distribution Fauna > Aquatic organisms > Aquatic animals > Shellfish > Marine organisms > Marine crustaceans Nets > Fishing gear > Fishing nets > Trawl nets > Bottom trawls Water > Deep water Aristaeomorpha foliacea (Risso, 1827) [WoRMS]; Aristeus antennatus (Risso, 1816) [WoRMS]; Crustacea [WoRMS]; Decapoda [WoRMS] Mediterranean [Marine Regions]; MED, Mediterranean [Marine Regions] Marien/Kust

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Auteurs		Top
Cau, A. Carbonell, A. Follesa, M.C.	Mannini, A. Norrito, G. Orsi Relini, L.	Politou, C.-Y. Ragonese, S. Rinelli, P.

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Abstract

The application of statistical models on a time series of data arising from the MEDITS International Trawl Survey, an experimental demersal resources survey carried out during six years (1994-1999) in the same season of the year (late spring - early summer) using the same fishing gear in a large part of the Mediterranean, has allowed for a study to compare, for the first time, the space-time distribution, abundance, and size structure of the two Aristeids Aristaeomorpha foliacea and Aristeus antennatus throughout most of the Mediterranean Sea. This research has shown a large variability among the six reference areas, that were arbitrarily defined within the basin. In particular the two shrimps do not seem to present any correlation or yield continuity in the years. The same lack of homogeneity was also observed in the time trend of the abundances and frequencies of each of the two species. These data seem to confirm the intrinsic variability of the species, the cause of which is still unknown and undocumented. Nevertheless, a longitudinal gradient of catches has been observed where A. antennatus is more abundant in the west and A. foliacea in the east of the basin.

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