Research Article: Relationship between shrimp catches per unit effort (CPUE) and satellite-based environmental parameters in Persian Gulf, Bushehr provincial waters

In the present study relationship between shrimp catch per unit effort (CPUE) and satellite-based environmental parameters, chlorophyll-a (Chl-a) and sea surface temperature (SST), was investigated in ۲۷ stations in Bushehr provincial waters in the geographical position from E ۵۰˚ ۴۴´ and N ۲۸˚ ۵۹´ to E ۵۱˚ ۴۰´ and N ۲۷˚ ۳۳´, in July ۲۰۱۷ and July ۲۰۱۸. SST and Chl-a data were extracted from +ETM Landsat ۷ sensor and Modis Aqua (EOS PM) satellites images. Four research surveys were conducted using a traditional vessel to record local physico-chemical parameters of water and estimate shrimp catch per unit effort (CPUE) in studied stations. The results of linear regression analysis and correlation coefficient showed a negative and strong relationship between SST- Chl-a overlap value and shrimp CPUE in waters of Bushehr province (r = -۰.۸۴), while weak negative and positive relationships were observed between SST and chlorophyll-a with shrimp CPUE with r = -۰.۳۴ and ۰.۰۳, respectively.

Keywords:

Shrimp , Catch per unit effort , Environmental parameters , Satellite data , Bushehr , Persian Gulf