An experiment was designed and conducted to assess the feasibility for culture of Penaeus monodon in 6 m dia HDPE circular floating cage, installed at 10-12 m depth off Visakhapatnam in the Bay of Bengal. The cage was fixed with three cylindrical nets; inner net of 2 mm mesh (6 m dia×5.5 m height) to rear post-larvae from stock to 80 th day; middle net of 10 mm mesh (6 m×5.5 m) to rear juveniles from day 81 onwards and an outer net of 40 mm mesh (8 m dia×4.5 m height) to prevent entry of predators. Post-larvae (PL 23 ) of P. monodon (mean total length 16.1±3.8 mm), were stocked in the cage at a density of 1179 PL m -3 ). Bottom water parameters viz., salinity, temperature, dissolved oxygen, pH and ammonia (NH 3 -N) recorded in the cage site during the culture period were 34-35 ppt, 26-32°C, 3.9-4.6 ml l
The spatial and temporal changes in the demographic and socio-economic indicators of coastal fishing community of India were studied using data collected during the national level census on marine fishermen population in 2005 and 2010, covering 11 maritime states and union territories of the country. Information on population growth, sex ratio, literacy level and educational status, poverty level, sectoral dependency and occupational categories of the coastal fisherfolk were analysed and compared with analogous figures of national averages on these socio-economic indicators. The marine fishermen of India, who depend on fisheries for their subsistence, were significantly below the national averages in many of key demographic indicators. The results of correspondence analysis carried out for visual description of the association of economic status with the key indicators showed that, the below poverty class among fishermen were more associated with low family size compared to large sized families, which implicates to labour supply in a labour demanding socio-economy of marine fisheries. Different dependency ratios were computed as a simple summary measure for comparison of age structure of fisherfolks.
Fisheries is an important sector contributing to the Indian economy. This study of fisherwomen from a village in Andhra Pradesh provides data collected from 1,180 respondents. It presents facts of the women’s home and work lives and the areas where there is room for their betterment.
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