Trawling fishery of the western Mediterranean Sea: Métiers identification, effort characteristics, landings and income profiles

Abstract

were identified, using multivariate techniques, in the fishery: Red mullet, European hake, Norway lobster 58 and Red shrimp. The mean catch composition within the same métier was similar between ports, although 59 the relative importance of species differed slightly from one port to another. Variation in fishing effort 60 exerted was observed between métiers reflecting differences in the importance and usage of each métier 61 by port. Temporal variations were found among different métiers at seasonal and annual scales. These 62 temporal variations showed that métiers Red mullet and European hake were alternated. Positive 63 significant correlations were observed between landings and different fishing effort variables with an 64 exception of the relation between landings and engine power in the Norway lobster métier with negative 65 significant correlations. Significant differences in total vessel length, gross tonnage, total CPUE and total 66 income were detected among the four métiers depending on each port with few exceptions. These 67 findings are considered a keystone for more practical implications and to assist fisheries' managers in the 68 decision-making process. As demonstrated in the current paper, the management of multi-specific 69 fisheries should start off considering the characteristics of each métier separately. In the sound of métier-70 based management, the patterns observed in the effort temporal distribution between métiers can indicate 71 the most suitable time to reduce effort on specific target species. 72 73

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“…In European Mediterranean fisheries, 85% of the assessed stocks are overfished compared to a maximum sustainable yield (MSY) reference value; this proportion reaches 100% in FAO/GFCM geographical subarea GSA6 (Colloca et al, 2013), where Catalonia is located. Mediterranean fisheries, especially European ones, have been chronically overexploited due to a combination of poor selectivity and high fishing effort and capacity (Lleonart and Maynou, 2003;Samy-Kamal et al, 2014;Vasilakopoulos et al, 2014).…”

Short-term effect of selectivity change in a trawling fishery in the Western Mediterranean

“…As a Mediterranean fishery, this fleet is normally engaged in various métiers: red mullet Mullus spp. (Linnaeus, 1758) fishing at depths between 50 and 99 m; European hake Merluccius merluccius (L., 1758) between 100 and 199 m; Norway lobster Nephrops norvegicus (L., 1758) between 200 and 399 m; and red shrimp Aristeus antennatus (Risso, 1816) between 400 and 800 m (Guijarro and Massutí, ; Ordines et al., ; Samy‐Kamal et al, ).…”

Remuneration systems used in the fishing sector and their consequences on crew wages and labor rent creation

“…However, sometimes fishermen's remuneration include items of several of these groups; for example: (i) in the small-scale purse seiners in Vietnam crew can be paid with a fixed wage (case 1) and a small bonus based on a share of the revenues (case 2) (Thuy et al 2013); (ii) in the trawler fleet in Mediterranean Spain the main remuneration system is a share of the revenues minus operational costs (case 3), but crew also receive a small part of the landings (morralla, composed of species with low value 2 ) (case 2) (Lleonart et al 1999(Lleonart et al , 2003Alemany and Álvarez 2003;Maynou et al 2006;Samy-Kamal et al 2014).…”