Hydrobiologia

, 612:269 | Cite as

Satellite observations of main oceanographic processes to identify ecological associations in the Northern Arabian Sea for fishery resources exploration

  • Himmatsinh U. Solanki
  • Pradip C. Mankodi
  • Rashmin M. Dwivedi
  • Shailesh R. Nayak
FISH HABITAT MAPPING

Abstract

Ecological associations are the inter-relationship between the species and their environment. Oceanographic processes like upwelling events and formation of eddies, rings, and fronts have been monitored using National Oceanic and Atmospheric Administration Advanced Very High Resolution (NOAA AVHRR) and Indian Remote Sensing Satellite-P4-Ocean Colour Monitor (IRS-OCM) data. Sea Surface Temperature (SST) and chlorophyll concentration (CC) images were derived from AVHRR and OCM, respectively. Upwelling event was monitored using AVHRR-SST by detecting the differences in surface water temperature. The formation of eddies, rings, cyclonic eddies, and anti-cyclonic eddies and their biological responses were studied using CC. Eddies and rings were found with high phytoplankton production in the form of bloom, which provide grazing ground for fishes. The anti-cyclonic eddies were found with very low CC, indicating the biological deserts in the ocean. The impacts of these processes on fish catch were studied using fishing operations data procured from Fishery Survey of India. In this paper, the occurrence of different oceanographic processes, their persistence, and relevance with catch statistics of fishery resources in the study area are discussed. The study explains the potentials of satellite remote sensing to establish the habitat linkage between oceanographic processes and fishery resources.

Keywords

Oceanographic processes Satellite Remote sensing Fisheries 

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Copyright information

© Springer Science+Business Media B.V. 2008

Authors and Affiliations

  • Himmatsinh U. Solanki
    • 1
  • Pradip C. Mankodi
    • 2
  • Rashmin M. Dwivedi
    • 1
  • Shailesh R. Nayak
    • 1
  1. 1.Marine Water Resources GroupSpace Applications Centre (ISRO)AhmedabadIndia
  2. 2.Faculty of ScienceMaharaja Sayajirao University of BarodaVadodaraIndia

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