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  • 1
    Type of Medium: Book
    Pages: 254 S , zahlr. Ill
    ISBN: 929900031X
    Series Statement: CIESM atlas of exotic species in the Mediterranean 1
    Language: English
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  • 2
    Type of Medium: Book
    Series Statement: Informes tecnicos / Instituto Espanol de Oceanografia 96
    Language: Undetermined
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  • 3
    Type of Medium: Book
    Pages: 365 Seiten , Illustrationen, Karten
    Edition: 2nd edition
    ISBN: 9789299000359
    Language: English
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  • 4
    Publication Date: 2023-11-25
    Description: This file contains data on numerical abundance of micronekton organisms, mostly decapods, cephalopods, and cnidarians collected in winter (December 2009) and summer (July 2010) in the Balearic Islands region. A relatively small area was repeatedly sampled throughout the day. Samples were obtained by means of a double-warp modified commercial mid-water trawl, with standard pelagic trawl doors (otter boards) and graded-mesh netting to the cod-end (10 mm). Hauls were horizontal and lasted between 30 min and 1 hour, and the depth of the net was controlled by a SCANMAR system. Samples were identified on board or frozen for a later identification in the laboratory. These data were obtained within the project: "Estructura y dinámica del ecosistema bentopelágico de talud en dos zonas oligotróficas del Mediterráneo: una aproximación multidisciplinar y a distintas escalas temporales en las Islas Baleares", financed by the Spanish Ministerio de Ciencia e Innovación CTM2007-65844-C03.
    Keywords: Balearic Islands, western Mediterranean Sea; Biodiversity; Code; Counting, visual; Date/Time of event; Date/Time of event 2; Depth, bathymetric; DEPTH, water; distribution; Estructura y dinámica del ecosistema bentopelágico de talud en dos zonas oligotróficas del Mediterráneo: una aproximación multidisciplinar y a distintas escalas temporales en las Islas Baleares; Event label; Haul; IDEADOS; IDEADOS_0710; IDEADOS_1209; IDEADOS_2009_01-1; IDEADOS_2009_02-1; IDEADOS_2009_03-1; IDEADOS_2009_04-1; IDEADOS_2009_05-1; IDEADOS_2009_06-1; IDEADOS_2009_07-1; IDEADOS_2009_08-1; IDEADOS_2009_09-1; IDEADOS_2009_10-1; IDEADOS_2009_11-1; IDEADOS_2009_12-1; IDEADOS_2009_13-1; IDEADOS_2009_14-1; IDEADOS_2009_15-1; IDEADOS_2010_01-1; IDEADOS_2010_02-1; IDEADOS_2010_04-1; IDEADOS_2010_05-1; IDEADOS_2010_07-1; IDEADOS_2010_11-1; IDEADOS_2010_12-1; IDEADOS_2010_13-1; IDEADOS_2010_14-1; IDEADOS_2010_15-1; IDEADOS_2010_16-1; IDEADOS_2010_17-1; IDEADOS_2010_18-1; IDEADOS_2010_19-1; IDEADOS_2010_20-1; IDEADOS_2010_21-1; IDEADOS_2010_22-1; IDEADOS_2010_23-1; IDEADOS_2010_24-1; IDEADOS_2010_25-1; IDEADOS 09; IDEADOS-10; Latitude of event; Latitude of event 2; Life stage; Light mode; Longitude of event; Longitude of event 2; micronekton; Midwater trawl, Pelagica 112 m²; Midwater trawl, Pelagica 280 m²; Net, mouth area, effective; Number of individuals; Pelagica 112; Pelagica 280; Phylum; Sarmiento de Gamboa; SUMMER; Sustainable Management of Mesopelagic Resources; Taxon/taxa; Towing speed; vertical migration; VID; Visual identification
    Type: Dataset
    Format: text/tab-separated-values, 4363 data points
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  • 5
    Publication Date: 2023-11-25
    Description: This file contains data on numerical abundance of mesopelagic fishes collected in winter (December 2009) and summer (July 2010) in the Balearic Islands region. A relatively small area was repeatedly sampled throughout the day. Samples were obtained by means of a double-warp modified commercial mid-water trawl, with standard pelagic trawl doors (otter boards) and graded-mesh netting to the cod-end (10 mm). Hauls were horizontal and lasted between 30 min and 1 hour, and the depth of the net was controlled by a SCANMAR system. Samples were identified on board or frozen for a later identification in the laboratory. These data were obtained within the project: "Estructura y dinámica del ecosistema bentopelágico de talud en dos zonas oligotróficas del Mediterráneo: una aproximación multidisciplinar y a distintas escalas temporales en las Islas Baleares", financed by the Spanish Ministerio de Ciencia e Innovación CTM2007-65844-C03.
    Keywords: Balearic Islands, western Mediterranean Sea; Biodiversity; Code; Counting, visual; Date/Time of event; Date/Time of event 2; Depth, bathymetric; DEPTH, water; distribution; Estructura y dinámica del ecosistema bentopelágico de talud en dos zonas oligotróficas del Mediterráneo: una aproximación multidisciplinar y a distintas escalas temporales en las Islas Baleares; Event label; Family; Haul; IDEADOS; IDEADOS_0710; IDEADOS_1209; IDEADOS_2009_01-1; IDEADOS_2009_02-1; IDEADOS_2009_03-1; IDEADOS_2009_04-1; IDEADOS_2009_05-1; IDEADOS_2009_06-1; IDEADOS_2009_07-1; IDEADOS_2009_08-1; IDEADOS_2009_09-1; IDEADOS_2009_10-1; IDEADOS_2009_11-1; IDEADOS_2009_12-1; IDEADOS_2009_13-1; IDEADOS_2009_14-1; IDEADOS_2009_15-1; IDEADOS_2010_02-1; IDEADOS_2010_04-1; IDEADOS_2010_05-1; IDEADOS_2010_07-1; IDEADOS_2010_11-1; IDEADOS_2010_12-1; IDEADOS_2010_14-1; IDEADOS_2010_15-1; IDEADOS_2010_17-1; IDEADOS_2010_18-1; IDEADOS_2010_19-1; IDEADOS_2010_22-1; IDEADOS_2010_23-1; IDEADOS_2010_24-1; IDEADOS_2010_25-1; IDEADOS 09; IDEADOS-10; Latitude of event; Latitude of event 2; Life stage; Light mode; Longitude of event; Longitude of event 2; mesopelagic fish; Midwater trawl, Pelagica 112 m²; Midwater trawl, Pelagica 280 m²; Net, mouth area, effective; Number of individuals; Order; Pelagica 112; Pelagica 280; Sarmiento de Gamboa; SUMMER; Sustainable Management of Mesopelagic Resources; Taxon/taxa; Towing speed; vertical migration; VID; Visual identification
    Type: Dataset
    Format: text/tab-separated-values, 3699 data points
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  • 6
    Publication Date: 2017-05-02
    Description: Resolving drivers of spatial synchrony in marine species is fundamental for the management and conservation of deep-sea ecosystems. Here we examine an 11-year data set of monthly catches per unit of effort (CPUE) of the red-shrimp Aristeus antennatus. These data comprise 16 locations of two population subunits in the Western Mediterranean, the Catalan coast and the Balearic archipelago. The analysis of their seasonal covariation and its space-time structure showed small-scale geographical segregation of locations linked with the seasonal fluctuations of CPUE. Results further revealed that seasonal synchrony dominates at short spatial scales (ca. 50 km), while asynchrony prevails are broader spatial scales (ca. 200-300 km). This spatial pattern, however, varied over the period examined, although it was specific for each population subunit suggesting contrasting drivers of seasonal synchrony. The Balearic Islands, a patchier population subunit, displayed a seasonal synchrony pattern mainly dependent on biological and oceanographic processes at local scales. By contrast, in the Catalan coast, the pattern appeared related with regional-scale climate, which triggers spatial differences in the phenology of primary producers and the timing of food advection to the seabed. These cascading processes depicted by our investigation shed light on underlying mechanisms shaping the temporal synchrony of broadly distributed deep-sea populations.
    Type: Article , PeerReviewed
    Format: text
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  • 7
    Publication Date: 2012-03-01
    Description: We assessed the elasmobranch communities exploited by the bottom trawl fishery off the Balearic Islands (northwestern Mediterranean) by analysing two time series containing information with different levels of detail: 1) a long-term series containing the abundance indices of the whole elasmobranch community landed from 1965 to 2009; and 2) a shorter time series from 2000 to 2009 from two different data sources (daily sales records: 2000-2009; bottom trawl surveys: 2001-2009), with information that allowed the shelf and slope to be analysed separately and different community parameters and abundance indices to be studied. Temporal trends of all these variables were used as ecological status indicators and tested with generalized additive models and analysis of variance. They were finally summarised using the Traffic Light methodology. The long-term series showed two marked trends, an inter-annual decreasing trend that would be a consequence of the large increase in fishing effort, and an intra-annual trend with a clear peak in May in accordance with the seasonal biological cycle of these species. However, data from the last ten years revealed differences between the shelf and slope, as some parameters increased significantly over time on the shelf but did not follow any trend on the slope. The Traffic Light methodology captured these differences well, demonstrating its usefulness for interpreting ecological transitions at a glance.
    Print ISSN: 0214-8358
    Electronic ISSN: 1886-8134
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
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  • 8
    Publication Date: 2012-03-01
    Description: The stock concept plays a pivotal role in fisheries assessment and management. Stocks are defined according to biological, geographical, economic or socio-political factors. The General Fisheries Commission for the Mediterranean (GFCM) has established thirty management geographical sub-areas (GSAs) based on political and statistical considerations rather than biological or economic factors. Here, we present our view on the main biological and ecological aspects that should be considered for delineating different management units in the Mediterranean. We focus on the Balearic Islands (GSA05) as a case study highlighting its specificities compared to the adjacent coast of the Iberian Peninsula (GSA06), but the approach could be generalized to the problem of identifying stock boundaries in other areas. The work is based on published information from different marine disciplines such as geomorphology, ecology and fisheries, combined with the analysis of new data coming from official fishery statistics and scientific surveys. This approach avoids the important drawbacks (inconclusive results, high costs) of other time-consuming techniques used in stock identification, such as genetics. According to the information presented, we conclude that GSA05 should be maintained as an individualized area for assessment and management purposes in the western Mediterranean.
    Print ISSN: 0214-8358
    Electronic ISSN: 1886-8134
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
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