A Remote-Sensing Application in Extended Fisheries Reserach

Abstract

Debabrata Das

As known that satellite captures most spectral signatures of any certain dimension oriented water-bodies and may useful in fisheries resource management. Satellite imagery can tell the value of Total Dissolved Solids (TDS) which is among important water quality parameters and can be detected digitally. This digital value is a prime aquatic parameter and may be termed as a principal component parameter to determine species existences in most geographic and breeding habitat of aquatic organisms. A scientific study found that Marine aquatic species may breed naturally within the TDS value, below 250 ppm. Never to forget that most aquatic species may breed during the rainy season and rain water has got a TDS value in a range of 5-50 ppm. On the other side a study found that most sweat water inland aquatic species may breed naturally within below the TDS of 150 ppm. This value of TDS measure act to insert osmotic pressure to the individual aquatic species and also to the reproductive cells. Study found that every species has got a very specific tolerance of osmotic pressure and may be uniquely sensitized by individual species. Today computer and electronics like a mere TDS meter digitally can identify such aquatic requirements of species. However satellite imagery in a large extent may identify the habitat distributions and identification of breeding zones of every individual species either in inland or marine environments to keep aquatic species safer.

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