OSPAR Common Indicator BH3 – Extent of Physical Damage to Predominant and Species Habitat (D6-C2): Disturbance

Published by: Marine Institute
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BH3 is currently limited to pressure caused by abrasion on the seafloor from mobile bottom contacting fishing gear (trawling). Pressure from other activities is in development. The scale of disturbance on the seafloor is a product of the habitats sensitivity and exposure to a defined pressure. These sources of information are combined to calculate the potential damage to a given seafloor habitat, and the trends across the six-year period to produce the impact matrix. The matrix is comprised of 10 categories characterising the physical disturbance and provides an estimate of the relative impact to the seafloor. The BH3 Assessment results in a spatial dataset displaying levels of disturbance as categories from 0-9 ( 0= no disturbance to 9 = high disturbance) on Ireland’s sea bed.

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Marine Institute home page
INFOMAR home page
Geological Survey Ireland home page
Marine Institute home page
Department of Communications, Climate Action and the Environment home page
Theme Environment
Date dataset released 2021-10-07
Date dataset updated 2021-10-07
Dataset conforms to these standards See the referenced specification
Rights notes {"Consult license for use limitations",otherRestrictions,otherRestrictions}
Update frequency Other
Language English
Geographic coverage in GeoJSON format {"type":"Polygon","coordinates":[[[-25.000816176, 46.83333347],[-25.000816176, 57.366661531], [-5.27233311, 57.366661531], [-5.27233311, 46.83333347], [-25.000816176, 46.83333347]]]}
Spatial Reference Systems (SRS) WGS 84 (EPSG:3857)
Provenance information Data supplied by Marine Institute.
Period of time covered (begin) 2021-10-06
Period of time covered (end) 2021-10-06

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