An introduction to Mediterranean deep-sea biology

Sardà, Francisco; Calafat, Antoni; Canals, Miquel; Espino, Manuel; Tursi, Angelo

doi:10.3989/scimar.2004.68s37

Cited by 115 publications

(107 citation statements)

References 172 publications

(168 reference statements)

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“…This is, for example, the case of the middle slope horizon of the western Mediterranean, whose assemblage is characterised by meadows of the gorgonian Isidella elongata and by the shrimps Aristeus antennatus and Aristeomorpha foliacea. This assemblage, described at the beginning of the twentieth century (Issel 1930) has been heavily exploited and the gorgonian has now almost completely disappeared from the trawled bottoms of most of the Mediterranean areas (Sardà et al 2004). Coral assemblages characterised by A. subpinnata are found on hard substrata, the type of bottom that is not trawled by commercial fisherman; therefore, direct damage by trawling activities is minimal.…”

Section: Discussionmentioning

confidence: 99%

Antipathella subpinnata (Antipatharia, Myriopathidae) in Italian seas

Tazioli

Spanò

et al. 2008

Italian Journal of Zoology

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The distribution of Antipathella subpinnata in Italian seas is herein given and discussed. A. subpinnata is a large, white, branched antipatharian with an Atlanto-Mediterranean distribution. It is probably the most commonly observed black coral in this basin and it is possible to find large populations of this species at diving depths. Personal records of the occurrence of the species in the Strait of Messina, together with a wide census involving diving centres along all the Italian coasts, have been used to create a distribution data set. A description of the species, including in vivo measurements of the polyps, is given. Information concerning the habitat, the population density, the substrate, the epibionts and the environmental conditions of the sites where the species was found are also included. This study confirms the importance of A. subpinnata as a common component of the lower fringe of the circalittoral twilight environment, below 50 m depth, in localities where hard substrata are available.

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Section: Discussionmentioning

confidence: 99%

Antipathella subpinnata (Antipatharia, Myriopathidae) in Italian seas

Tazioli

Spanò

et al. 2008

Italian Journal of Zoology

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“…Nevertheless, as the fleet rapidly increased and concentrated in localized profitable areas of the southeastern coast, a major concern has arisen regarding uncertain impacts on undimensioned but highly susceptible to fishing mortality deep-water stocks and respective habitats (Hastie, 1995;Roberts, 2002;Large et al, 2003;Sardà et al, 2004b;Politou et al, 2004). In that sense, precautionary recommendations have been addressed to fishing authorities priorizing (a) an immediate interruption of the entry of new vessels in the fishery and (b) a rotating harvest strategy, in order to obligate effort to be spread along the Brazilian EEZ.…”

Section: Discussionmentioning

confidence: 99%

Deep-sea shrimps (Decapoda: Aristeidae): new targets of the deep-water trawling fishery in Brazil

2006

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A B S T R A C TFollowing the recent expansion of the Brazilian fishery to slope fishing grounds, a new directed trawl fishery for aristeid shrimps emerged since mid 2002. Aristaeopsis edwardsiana has been the main component of the catches attaining 88.4% of total shrimp production. Aristaeomorpha foliacea and Aristeus antillensis have composed significantly smaller fractions of the landings (9.8 % and 1.8 % respectively). Two main grounds were located in the southeastern region (ca. R E S U M OSeguindo a recente expansão da pesca brasileira para o talude continental, uma nova pescaria de camarões da família Aristeidae tem se desenvolvido desde meados de 2002. O camarão "carabineiro", Aristaeopsis edwardsiana, é o principal componente das capturas, alcançando 88,4 % da produção total de camarões. Os camarões "moruno", Aristaeomorpha foliacea e "alistado", Aristeus antillensis, compõem frações menores das descargas (9,8 % e 1,8 % respectivamente). Duas áreas principais de pesca foram descobertas na região Sudeste do Brasil (19º -25ºS) e uma no limite setentrional da ZEE do país (4º -5ºN). As capturas estiveram concentradas entre as isóbatas de 700 e 750 m. As taxas médias de captura de A. edwardsiana flutuaram entre 6,5 e 9,7 kg.h -1 . As outras espécies foram capturadas em taxas consideravelmente menores (0,1 -0,6 kg.h -1 e 0,1 -1,3 kg.h -1 , respectivamente). Sugere-se uma sazonalidade nas capturas de A. edwardsiana, com valores máximos entre julho e dezembro. Apesar do direcionamento aos camarões, capturas incidentais do caranguejo-real (Chaceon ramosae) alcançaram uma média de 22 % das descargas totais.

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“…Fish abundance is enhanced in canyons (Stefanescu et al, 1994;Vetter & Dayton, 1999;Brodeur, 2001;Vetter et al, 2010), which are therefore regularly targeted by commercial and recreational fishermen exploiting bottom fish and invertebrates (Vetter et al, 2010). Some of the deep-water shrimp fishing grounds are located on the margin of submarine canyons (Sardá et al, 2004). Canyons may also focus the deposition of nekton carcasses, concentrating scavengers (Vetter, 1995) and thus be hotspots of scavenger-based ecosystem services and enhanced fishery yields (Vetter et al, 2010).…”

Section: Submarine Canyons On the Continental Slope (Eunis A681)mentioning

confidence: 99%

Assessment of goods and services, vulnerability, and conservation status of European seabed biotopes: a stepping stone towards ecosystem-based marine spatial management

et al. 2012

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The goal of ecosystem-based marine spatial management is to maintain marine ecosystems in a healthy, productive and resilient condition; hence, they can sustainably provide the needed goods and services for human welfare. However, the increasing pressures upon the marine realm threaten marine ecosystems, especially seabed biotopes, and thus a well-planned approach of managing use of marine space is essential to achieve sustainability. The relative value of seabed biotopes, evaluated on the basis of goods and services, is an important starting point for the spatial management of marine areas. Herein, 56 types of European seabed biotopes and their related goods, services, sensitivity issues, and conservation status were compiled, the latter referring to management and protection tools which currently apply for these biotopes at European or international level. Fishing activities, especially by benthic trawls, and marine pollution are the main threats to European seabed biotopes. Increased seawater turbidity, dredged sediment disposal, coastal constructions, biological invasions, mining, extraction of raw materials, shipping-related activities, tourism, hydrocarbon exploration, and even some practices of scientific research, also exert substantial pressure. Although some first steps have been taken to protect the European sea beds through international agreements and European and national legislation, a finer scale of classification and assessment of marine biotopes is considered crucial in shaping sound priorities and management guidelines towards the effective conservation and sustainability of European marine resources.

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An introduction to Mediterranean deep-sea biology

Cited by 115 publications

References 172 publications

Antipathella subpinnata (Antipatharia, Myriopathidae) in Italian seas

Antipathella subpinnata (Antipatharia, Myriopathidae) in Italian seas

Deep-sea shrimps (Decapoda: Aristeidae): new targets of the deep-water trawling fishery in Brazil

Assessment of goods and services, vulnerability, and conservation status of European seabed biotopes: a stepping stone towards ecosystem-based marine spatial management

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