First assessment of anthropogenic impacts in submarine canyon systems off southwestern Australia

Marco Taviani, Federica Foglini, Giorgio Castellan, Paolo Montagna, Malcom T. McCulloch, Julie A. Trotter

Research output: Contribution to journalArticlepeer-review

4 Citations (Web of Science)

Abstract

We assessed the anthropogenic impacts on southwestern Australian submarine canyons by quantifying macro-litter discovered during Remotely Operated Vehicle surveys. The study area encompasses the Bremer canyon systems and Perth Canyon. The categories of macro-litter identified by our study are plastic, metal, aluminium, glass, fabric, mixed, derelict fishing gear, and unclassified. The anthropogenic impacts in the canyons explored is minimal, espe-cially in the Bremer canyon systems, whereas Perth Canyon has comparatively more macro-litter, presumably due to intense maritime traffic and nearby urban development. On a global scale, however, the environmental status of southwestern Australian canyons is relatively pristine. This analysis provides a baseline for the monitoring and endur-ing stewardship of these habitats where lush and diverse biota, including deep-sea corals, thrive.

Original languageEnglish
Article number159243
Number of pages12
JournalScience of the Total Environment
Volume857
DOIs
Publication statusPublished - 20 Jan 2023

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