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- W2221727825 abstract "We present examples from the Cook Strait and the Kermadec Arc, New Zealand, where multibeam echo-sounder data are augmented by extensive geological data and seafloor photos, thus providing opportunities to ground-truth and quantify the use of multibeam bathymetry and backscatter signals. The backscatter data relates to grain-size and small-scale topography, and may provide information on substrate composition and roughness. The data demonstrate the potential of quantitative backscatter signal analysis by emphasising topographic and geological features otherwise not recognised with conventional surveying. Object-oriented image segmentation is used to identify homogeneous regions in the backscatter images. The results provide an improved understanding of the utility of different marine biophysical variables as surrogates for benthic habitats, and promotes the use of spatial uncertainty techniques to assess the application of these methods for biodiversity assessment. Finally, we apply a habitat heterogeneity biodiversity relationship to develop a map of biodiversity on the flanks of a submarine volcano." @default.
- W2221727825 created "2016-06-24" @default.
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- W2221727825 date "2010-01-01" @default.
- W2221727825 modified "2023-09-27" @default.
- W2221727825 title "Submarine substrate and biodiversity mapping using multiscale analysis of bathymetric and backscatter data: examples from Cook Strait and the Kermadic Arc, New Zealand" @default.
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