A study on length frequency, length-weight relationship, distribution and biomass of shrimp (Palaemon adspersus) in the south east Caspian Sea, Golestan Province
Assessment of length frequency, length-weight relationship, distribution and biomass of the shrimp P. adspersus was done four times in the summer of the year 2002 in the Gorgan Bay and south east of the Caspian Sea. Results indicated that the mean carapace length (CL) was 13.55±1.79mm, and minimum and maximum CL was 8.7 and 18.7mm respectively. We determined the length weight 123 relationship as W=0.0035CL^2.3123 In the south east region of the sampling area the mean carapace length was 12.67±2.23mm and minimum and maximum CL was 5.2 and 17.5mm Respectively. For this region, we found the length weight relationship as W=0.0072CL^2.0956 P. adspersus were found in all depths. Parallel with the air temperature increase, the shrimp density showed an increase at the depth of 2-10m. The estimated biomass of this species in the Gorgan Bay was 1999kg and in the south east region was 1160kg.
Main Authors: | Mohammadkhani, H., Poursoufi, T. |
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Format: | article biblioteca |
Language: | Persian |
Published: |
2007
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Subjects: | Biology, Fisheries, Palaemon adspersus, Gorgan Bay, Golestan Province, Caspian Sea, Iran, |
Online Access: | http://hdl.handle.net/1834/39168 |
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