Title of article :
Hydro-acoustic remote sensing of benthic biological communities on the shallow South East Australian continental shelf
Author/Authors :
Rattray، نويسنده , , Alex and Ierodiaconou، نويسنده , , Daniel and Laurenson، نويسنده , , Laurie and Burq، نويسنده , , Shoaib and Reston، نويسنده , , Marcus، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2009
Abstract :
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.
Keywords :
Habitat mapping , decision tree classification , Bathymetry , backscatter
Journal title :
Estuarine, Coastal and Shelf Science
Journal title :
Estuarine, Coastal and Shelf Science