The relationship between depth,substrate and ecology: A drop video study from the southeastern Australian coast |
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| Institution: | 1. Department of Ophthalmology III, CHNO des Quinze-Vingts, IHU FOReSIGHT, 28 rue de Charenton, F-75012, Paris, France;2. Sorbonne Université, INSERM, CNRS, Institut de la Vision, IHU FOReSIGHT, 17 rue Moreau, F-75012, Paris, France;3. Departement of Internal Medecine, Lariboisière Hospital, 2 rue Ambroise Paré, F-75010, Paris, France;1. Department of Otolaryngology, State University of New York Downstate Medical Center, 450 Clarkson Ave Box 126, Brooklyn, NY 11203, USA;2. School of Medicine, State University of New York Downstate Medical Center, USA;1. Government Relations and Public Policy, Wells Fargo & Company, USA;2. Economics and Management School, Mailbox 3-47, Wuhan University, Luojiashan, Wuhan, Hubei, 430072, China;3. Department of Public Administration and Policy, School of Public Affairs, American University, 4400 Massachusetts Ave., NW, Washington, DC, 20016, USA;1. California Department of Fish and Wildlife, Marine Region, 4665 Lampson Avenue, Los Alamitos, CA 90720, USA;2. California Department of Fish and Wildlife, Marine Region, 1123 Industrial Road Suite 300, San Carlos, CA 94070, USA;3. California Department of Fish and Wildlife, Marine Region, 619 2nd Street, Eureka, CA 95501, USA;1. Swire Institute of Marine Science and Area of Ecology and Biodiversity, School of Biological Sciences, The University of Hong Kong, Hong Kong, China;2. Institute for Climate and Carbon Neutrality, The University of Hong Kong, Hong Kong, China;3. Hatfield Consultants LLP, North Vancouver, BC, Canada;4. The Dove Marine Laboratory, School of Natural and Environmental Sciences, Newcastle University, Newcastle-upon-Tyne, UK |
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| Abstract: | The relationship between hard substrate type, depth and ecology has not been widely investigated in Bass Strait, which separates mainland Australia from Tasmania. As this water body is important to the State, a study along the Victorian coastline using an inexpensive Along Track Video (ATV) system, along with equipment to record depths and locations, was implemented. A better understanding of the correlation between hard substrate, depth and ecology was thought to be valuable to enable researchers to determine to what extent the benthic biological communities depend on physical factors. This understanding should improve procedures to predict the seafloor ecology on the basis of geological and oceanographic data. The dominant species assemblages and geomorphology, among other characteristics, were observed and recorded for each transect. In the sites investigated, depth appears to have a greater influence on dominant assemblages than does the type of hard substrate. The study also served to show that inexpensive ATV systems can be successfully used to study macro-sessile marine resources. |
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