Ecology, Environment and Conservation Paper

Vol.10, Issue 02, 2004; Page No.(213-217)

STUDIES ON PENAEID SEED AVAILABILITY IN RELATION TO CERTAIN ENVIRONMENTAL II AMMETERS AT THE SHIRGAON CREEK OFF RATNAGIRI

J.M. Koli, B.T. Sawant, M.T. Sharangdher, S.T. Sharangdher and A.M. Ramade

Abstract

The aim of the present investigations was to find out the relationship between environmental charactristics such as temperature, salinity, pH and dissoveld oxygen and penaeid prawn seed avaialibility at the creek near Ratnagiri. Fortnightly collections were made at three localities, namely the Shirgaon. The Kasarveli and the Zadgaon studies were carried out for eight months covering the period from August 2000 to March 2001. During the period under study, it was found that the average temperature was 32.44°C. The average salinity was 25.73 ppt. The average pH was 7.7 and the average dissolved oxygen content were 6.12 mg/lit.Three prawn species were recorded namely Pheneropenopsis merguiensis,Metapenaeus monoerous and Metopenaeus dobsoni. Among three species P. merguiensis was found to be the dominant species, next to which was M. monoceros and the last was M. dobsoni.

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