Investigating the trend of climate parameters and its impact on green tiger shrimp, penaeus semisulcatus de haan, 1844, in Bushehr Province Water

Abstract

Introduction: Penaeus Semisulcatus is one of the most important species of the Penaeidae family and the dominant species of Bushehr province, which is considered one of the main and most important foods of the people in the south of the country. Materials & Methods: In this study, changes in environmental parameters (air temperature, water temperature, evaporation, relative humidity, wind speed and rainfall) and its effect on green tiger shrimp for fishing unit (CPUE) in Bushehr province during the period of 2003-2021 Evaluated. Meteorological parameters were prepared from 2004 to 2021, based on the database of the Meteorological Office and the amount of green tiger shrimp from Bushehr Province. According to the information obtained, the total average of temperature was 24/80±1/01 °C, relative humidity was 45/36±3/10, evaporation was 5/49±0.37, rainfall was 15/24±1/70, water temperature was 24/80±1/01, wind speed was 6/13±0.58 and the fishing rate per unit effort was 38.28 kg per day during the years 2004 to 1400. The CCA test was used to examine the environmental parameters and the amount of green tiger shrimp per unit effort. Result: The results of this study showed that the caught and frequency of green examination shrimp was correlated with the parameters of rainfall, water temperature, evaporation and wind speed. Conclusion: The results of this study could helpful for prediction and estimation of shrimp catch based on the environmental variables.