Hydro-acoustic remote sensing of benthic biological communities on the shallow South East Australian continental shelf

Rattray, Alex, Ierodiaconou, Daniel, Laurenson, Laurie, Burq, Shoaib and Reston, Marcus 2009, Hydro-acoustic remote sensing of benthic biological communities on the shallow South East Australian continental shelf, Estuarine coastal and shelf science, vol. 84, no. 2, pp. 237-245.

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Title Hydro-acoustic remote sensing of benthic biological communities on the shallow South East Australian continental shelf
Author(s) Rattray, Alex
Ierodiaconou, Daniel
Laurenson, Laurie
Burq, Shoaib
Reston, Marcus
Journal name Estuarine coastal and shelf science
Volume number 84
Issue number 2
Start page 237
End page 245
Total pages 9
Publisher Academic Press
Place of publication New York, N.Y.
Publication date 2009-09-10
ISSN 0272-7714
1096-0015
Keyword(s) habitat mapping
decision tree classification
backscatter
bathymetry
Summary Information regarding the composition and extent of benthic habitats on the South East Australian continental shelf is limited. In this habitat mapping study, multibeam echosounder (MBES) data are integrated with precisely geo-referenced video ground-truth data to quantify benthic biotic communities at Cape Nelson, Victoria, Australia. Using an automated decision tree classification approach, 5 representative biotic groups defined from video analysis were related to hydro-acoustically derived variables in the Cape Nelson survey area. Using a combination of multibeam bathymetry, backscatter and derivative products produced highest overall accuracy (87%) and kappa statistic (0.83). This study demonstrates that decision tree classifiers are capable of integrating variable data types for mapping distributions of benthic biological assemblages, which are important in maintaining biodiversity and other system services in the marine environment.
Language eng
Field of Research 060205 Marine and Estuarine Ecology (incl Marine Ichthyology)
Socio Economic Objective 960507 Ecosystem Assessment and Management of Marine Environments
HERDC Research category C1 Refereed article in a scholarly journal
HERDC collection year 2009
Copyright notice ©2009, Published by Elsevier Ltd.
Persistent URL http://hdl.handle.net/10536/DRO/DU:30020635

Document type: Journal Article
Collection: School of Life and Environmental Sciences
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