Detecting and Managing Coastal Fisheries and Aquaculture Gear Using Satellite Radar Imagery

Authors: Szuster, Brian¹; Steckler, Carrie²; Kullavanijaya, Bundit³

Source: Coastal Management, Volume 36, Number 3, May 2008 , pp. 318-329(12)

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Abstract:

Fishing and shellfish aquaculture are important sources of income for coastal communities in Thailand and other parts of tropical Asia, but environmental impacts associated with these small-scale activities can effect water quality, nearshore habitats, and fish populations. The management of coastal fisheries and aquaculture has, therefore, become a major concern for government fisheries officials who are searching for cost effective measures to improve the regulation of these sectors. Synthetic aperture radar (SAR) images from the RADARSAT-1 satellite were acquired to determine if stationary fishing and aquaculture gears within a coastal study site in the Upper Gulf of Thailand could be identified, and if automatic signature separation of gear types was possible. The use of SAR imagery for a coastal monitoring application was also evaluated and the potential of this technology to improve resource management outcomes considered.

Keywords: aquaculture; fisheries; RADARSAT; remote sensing; Thailand

Document Type: Research article

DOI: http://dx.doi.org/10.1080/08920750801968330

Affiliations: 1: Department of Geography, University of Hawai'i at Manoa, Honolulu, Hawaii, USA 2: Department of Geography, University of Victoria, Victoria, B.C., Canada 3: Environmental Science Program, Faculty of Science, Burapha University, Bang Saen, Chonburi, Thailand

Publication date: 2008-05-01

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