Hallmarks of Aquaculture Intensification

Authors: Meyru Bhanti*, Clark Univeristy
Topics: Remote Sensing, Asia, Coastal and Marine
Keywords: Aquaculture, Remote sensing, Intensification, methodology
Session Type: Guided Poster
Day: 4/4/2019
Start / End Time: 3:05 PM / 4:45 PM
Room: Roosevelt 3.5, Marriott, Exhibition Level
Presentation File: No File Uploaded

Aquaculture is considered one of the most prominent resource efficient ways of providing protein to a growing global population. Aquaculture boomed throughout south east Asia through the last 50 years causing dramatic conversion of wetland and coastal ecosystems. Although many studies have analyzed the land use change from wetland to aquaculture ponds and the environmental and social consequences from this conversion few have analyzed the trends of conversion within types of aquaculture ponds. For example, with advancements in technology and a globalized market there is reason to believe that there have been a shift in the intensification of existing aquaculture ponds. Intensification occurs as ponds have higher stocking densities. This requires the use of aerators, holding ponds and other changes in management practices. There are three district stages of aquaculture pond intensification; the extensive stage when ponds are large and contain few inputs, semi intensive stage when aerators and antibacterial inputs are introduced and finally intensive stage, which requires maximum inputs and management practices. This study will analyze the feasibility to use remote sensing to detect this intensification of aquaculture ponds. The aim will of this study is to capture the spectral hallmarks of the intensification process. To create a flexible methodology three study areas were analyzed using multispectral Landsat data. Once this intensification process was understood through multifaceted investigation classification methodologies were recommended. Understanding the distribution of intensity within aquaculture ponds can help development agencies and governments address the bio-ecological impact of aquaculture ponds today and in the future.

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