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biota

655 record(s)
 
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  • The dataset includes age- and length-based catch per unit effort data for commercial fish species collected by the French trawl survey EVHOE.

  • Stocks (abundance and biomass) of the slipper limpet Crepidula fornicata Linnaeus, 1758 in the Pertuis Charentais shallows were estimated in 2011 and mapped (Sauriau et al., 2011). The influence of the estimate includes the Pertuis Breton, the eastern part Pertuis Antioch Fouras peninsula and the Bay of Marennes-Oléron where the latter earlier estimates are available. Contours and surface areas of the crepidula were previously determined by acoustic imaging performed aboard the VO/Haliotis in 2008 and 2009, interpreted and validated by spot sampling in 2009 (Curti, 2009). Sampling stocks of 2011 is based on a stratified random sample of 40 banks with a proportional distribution of sampling of 200 stations between banks. The listing for each crepidula bank stocks (abundance in millions, biomass in tonnes) both living and dead, these shells may provide support to potential new colonization.

  • ICES database of trawl surveys

  • Occurrence data of strandings of marine mammals collected by the correspondents of the National Stranding Network (date, position, species) in metropolitan France in 2016-2020.

  • Location distribution per grid cell of 8 young harbor seals (Phoca vitulina), followed by Argos tags (between 2005 and 2008) along the English Channel coast following rehabilitation at the care center CHENE.

  • The repository of location in the Fisheries Information System is divided into 3 categories: places on land, areas at sea and regulatory areas at sea. Each of these is organised hierarchically. There are 93 levels of places in Harmonie: a metadata sheet exists for each of them with, when it exists, a geographical layer.

  • Occurrence data for marine mammals, birds and other marine megafauna collected by Megascope on fishing and oceanographic surveys (date, position, species).

  • Eunis-classified physical habitats physiques resulting from the combination of three physical variables meshed at a resolution of 250 metres: nature of the substrates, biological area, shearing tension on the sea floor. Coasts of mainland France. Ifremer report "Hamdi Anouar, Vasquez Mickael, Populus Jacques (2010). Cartographie des habitats physiques Eunis - Côtes de France. Ifremer/AAMP agreement n° 09/12177764/FY. http://archimer.ifremer.fr/ doc/00026/13751/ "

  • Species distribution models (GAM, Maxent and Random Forest ensemble) predicting the distribution of Solitary Scleractinian fields assemblage in the Celtic Sea. This community is considered ecologically coherent according to the cluster analysis conducted by Parry et al. (2015) on image sample. Modelling its distribution complements existing work on their definition and offers a representation of the extent of the areas of the north-east Atlantic where they can occur based on the best available knowledge. This work was performed at the University of Plymouth in 2021.

  • A metier in the Fisheries Information System is a fishing practice defined by a fishing gear and a target species. They are used for statistical purposes to evaluate fishing strategies and efforts.