Trawl swept area as a percentage of IMCRA bioregions as an indicator of intensity within footprints :
Source: R Pitcher, CSIRO Australia unpublished data. Fishery data sources: Australian Fisheries Management Authority; Queensland Department of Agriculture and Fisheries; NSW Department of Primary Industries; Victorian Department of Environment and Primary Industries; Tasmanian Department of Primary Industries, Parks, Water and Environment; South Australian Department of Primary Industries and Regions; Western Australian Department of Fisheries; Northern Territory Department of Primary Industry and Resources
Map prepared by the Department of Environment and Energy in order to produce Figure MAR12 (b) in the Marine theme of the 2016 State of the Environment Report, available at http://www.soe.environment.gov.au
The map service can be viewed at http://soe.terria.io/#share=s-rAoNoccX4DU9MKW0jtnrgoYfXDN
Downloadable spatial data also available below.