11 datasets found

Organisations: St Helena Data Portal Tags: marine

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  • Underwater Fish Surveys Report

    The underwater fish survey report was issued in 2013. It describes the results from the analyses of data collected during underwater surveys (between 2002 and 2007) of common,...
  • Underwater dive surveys taken place at various locations showing abundance an...

    Biannual underwater dive surveys carried out in summer (April) and winter (October) at 13 sites the Leeward side of the Island covering a range of habitats and depths. Longterm...
  • MonthlyWaterQualitySampling_2021

    A baseline study carried out by the Blue Belt programme at nine sites in April 2019 indicated that West Rocks Outfall and James Bay Outfall are at higher risk of contamination...
  • Marine Species Database

    The database contains marine species list and their possible locations (if recorded). The database was compiled from historical references (references included) as well as new...
  • Marine Fish & Invertebrate Surveys

    Underwater dive surveys were carried out in summer and winter all around the island of St Helena. The surveys started in April 2013 to gather information about abundance and...
  • Fish Monitoring Sites

    Approximate location of routinely monitored fish sites as conducted by ANRD. Used by grouper and other fish monitoring databases.
  • Common Endemic Target Fish 2002-2011

    Underwater dive surveys were carried out in summer and winter along eighteen sights on the leeward side (north) of St Helena. The surveys started in October 2002 to gather...
  • Cetaceans Land Encounters 2003-2012

    Cetacean monitoring from a fixed point on land (Ladder hill) was undertaken twice a month starting approximately at 9am to 12 pm. Species name and approximate group size number...
  • Cetaceans Land Effort 2003-2012

    Cetacean monitoring from a fixed point on land (Ladder hill) was undertaken twice a month starting approximately at 9am to 12 pm. The following environmental data waere recorded...
  • Cetaceans Boat Encounters 2003-2010

    Ceteceans encounters during boat survey carried out from 2003 to 2010. The GPS position, species name and approximate group size number of each encountered species was taken....
  • Cetaceans Boat Effort 2003-2010

    Cetacean monitoring from the boat was undertaken twice a month starting approximately at 9am with two slightly different survey routes: one on the leeward side (north) of St...