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    • 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

    The Science of The Total Environment（2022）

    Ist Sci Marine ISMAR | Ist Sci Polari ISP | Univ Western Australia

    Cited 3|Views35
    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, especially 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 enduring stewardship of these habitats where lush and diverse biota, including deep-sea corals, thrive.
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    Key words
    Macro-litter,Bremer Marine Park,Perth Canyon,Remotely operated vehicle,Anthropogenic impacts
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    【要点】：本研究首次评估了西南澳大利亚海底峡谷系统中的人类影响，发现人类活动导致的宏观垃圾对环境的影响较小，为监测和保护这些生态系统提供了基准。
    

    【方法】：通过遥控操作车辆（Remotely Operated Vehicle, ROV）调查，对西南澳大利亚海底峡谷中的宏观垃圾进行量化分类。
    

    【实验】：研究在Bremer峡谷系统和Perth Canyon进行，使用ROV收集数据，发现Perth Canyon的宏观垃圾较多，可能是由于繁忙的海洋交通和附近的城市发展，而Bremer Canyon系统的人类影响则相对较小。研究未提及具体使用的数据集名称，但提供了对两个峡谷系统的人类影响评估结果。