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From 1 - 10 / 1278
  • Spatial distribution along the southatlantic spanish coast of the habitat: Sublittoral and infralittoral Seagrass beds. Study of the spatial distribution of the species by marine demarcations attending the area covered by the species within the Marine Strategy Framework Directive. The cartographic representation of the species is interpreted as one of the indicators proposed by the Commission for the study of the biodiversity of species, habitats and ecosystems. This information is from the Spanish Marine Strategy, belongs to the good environmental condition and initial evaluation of the Marine Southatlantic Demarcation.

  • 2015 annual stock assessment of the The Wash intertidal mussel communities, conducted by the Eastern Inshore Fisheries Conservation Authority. Following a period of stablisation, data showed the mussel stocks have been consistently low since 2009, however stocks are slowly improving and were slightly higher than the previous year (2014).

  • The description and mapping of marine habitat types according to Annex I of Directive 92/43/EOK (EEC, 1992) and / or the European Nature Information System (EUNIS) in 66 of approximately 300 Greek NATURA 2000 network sites, were the subject of Research Work for the Ministry of Environment Planning and Public Works of Greece. This research project, under the name "Identification and description of habitat types at sites of interest for conservation", lasted from 1999 to 2002 and was carried out by the National Centre for Marine Research (NCMR, renamed as Hellenic Centre for Marine Research - HCMR since 2003) in association with the Institute of Marine Biology of Crete (IBCM, joined to HCMR since 2003), the Aristotle University of Thessaloniki and the Fisheries Research Institute (FRI). The recognition and imprinting of marine habitat types was based on the combined use of aerial photos of scale 1:5000 acquired during the second half of 1999 for the needs of the project, data from the scientific echo sounder Sea-Bed discrimination system "RoxAnn", phytobenthos samples and in situ observations by scuba diving and underwater cameras. Regarding the sampling, hard bottom samplings were carried out using SCUBA diving. The samples were collected on hard substrates mainly in the upper infralittoral zone (30 to 50 cm below the lowest sea level). For the study of the soft bottom habitats, oceanographic cruses were carried out with the IMBC R/V “Filia”, using a Smith McIntyre sediment sampler.

  • 2017 annual stock assessment of the The Wash intertidal mussel communities, conducted by the Eastern Inshore Fisheries Conservation Authority. Following a period of stablisation, data showed the mussel stocks have been consistently low since 2009. The 2017 assessment showed a slight decrease in adult recruitment compared to the 2016 assessment, but was still higher than the previous years (2010-2015). Juvenile recruitment continued to improve.

  • Marine communities of the coast of Almeria .

  • The research work had the aim to obtain a first quantitative information for the characterization of the macrobenthic communities living in the submarine archaeological park, including necto-benthic fishes, and to perform a bionomic map by GIS methods.

  • Categories    

    DATRAS Web Services offer a possibility to search and retrieve data from DATRAS database by granting direct access to the data. DATRAS (getHLdata) service returns length-based information such as measured length, individual counts, and subfactors of sampled species for the given survey, year, and quarter.

  • Region: The county Hordaland Number of field observations: 637 Field sampling year: 2007, 2009 Prevalence: 34% Presence / absences: 215/422 Method: BRT run with the R-package Dismo. Number of predictor variables: 10 Information about the predictor variables: DEM (25 m resolution), slope, aspect, curvature at detailed, medium and coarse resolution (i.e. applying a 125, 525 and 1025 m moving calculating window respectively, based on the 25 m resolution DEM); wave exposure, latitude, longitude, and optimal radiation index, all with 25 m spatial resolution. AUC independent data: 0.96

  • The objective of this production is the cartographic characterization of the marine habitats of the Natura 2000 sites coming under the European Habitats-Fauna-Flora (66 Natura 2000 all-marine sites) and four marine natural parks and parks projects. marine life.

  • The East Coast Regional Environmental Characterisation (REC) Programme is a multidisciplinary investigation that has employed “state of the art” techniques to develop a broad understanding of the habitats and areas of archaeological interest over an extensive area of approximately 3,300 km2 of the seabed off East Anglia. The study was conducted over a three-year period and has been funded by the Marine Aggregate Levy Sustainability Fund.This dataset identifies specific areas of Sabellaria spinulosa Annex I biogenic reef within the Haisborough, Hammond & Winterton SAC.