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http://dx.doi.org/10.7780/kjrs.2021.37.5.1.12

A Study on the Habitat Mapping of Meretrix lyrata Using Remote Sensing at Ben-tre Tidal Flat, Vietnam  

Hwang, Deuk Jae (Department of Oceanography, University of Science and Technology)
Woo, Han Jun (Korean Seas Geosystem Research Unit, Korea Institute of Ocean Science and Technology)
Koo, Bon Joo (East Sea Environment Research Center, Korea Institute of Ocean Science and Technology)
Choi, Jong-Kuk (Korea Ocean Satellite Center, Korea Institute of Ocean Science and Technology)
Publication Information
Korean Journal of Remote Sensing / v.37, no.5_1, 2021 , pp. 975-987 More about this Journal
Abstract
Potential habitat mapping of Meretrix lyrata which is found in large parts of South East Asian tidal flat was carried out to find out causes of collective death. Frequency Ratio (FR) method, one of geospatialstatistical method, was employed with some benthic environmental factors; Digital elevation model (DEM) made from Landsat imagery, slope, tidal channel distance, tidal channel density, sedimentary facesfrom WorldView-02 image. Field survey was carried out to measure elevation of each station and to collect surface sediment and benthos samples. Potential habitat maps of the all clams and the juvenile clams were made and accuracy of each map showed a good performance, 76.82 % and 69.51 %. Both adult and juvenile clams prefer sand dominant tidal flat. But suitable elevation of adult clams is ranged from -0.2 to 0.2 m, and that of juvenile clams is ranged from 0 to 0.3 m. Tidal channel didn't affect the habitat of juvenile clams, but it affected the adult clams. In the furtherstudy, comparison with case of Korean tidal flat will be carried out to improve a performance of the potential habitat map. Change in the benthic echo-system caused by climate change will be predictable through potential habitat mapping of macro benthos.
Keywords
Habitat mapping; Remote sensing; Landsat; WorldView-02; Meretrix lyrata; Frequency ratio;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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