1992

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Browsing 1992 by Subject "Exploited Fishery Resources,Vembanad Lake, Fishery Based , Pokkali Fields ,Polders"

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    Exploited Fishery Resources of the Vembanad Lake: Fishery Based on Pokkali Fields and Polders
    (Society of Fisheries Technologists (India) Cochin, 1992) Kurup, B. Madhusoodana; Sebastian, M.J; Sankaran, T.M; Rabindranath, P
    About 2164 ha of Pokkali fields adjacent to Vembanad lake are utilized for the practloe of prawn filtration. 'The total annual production ls 1613.0 t. The seasonal production in these fields varied from 170-18(1) kg/ha and the average yield is computed as 745.4 kg/ha. 'lhecatches from Pokkali fieldscomprisedofpenaeids suchas Metapenaeus dobsoni (66.59%), Penaeus indicus (19.%), Mmonocems (523%) and fishes (8.28%).Six polders namely, Mathikayal, Marthandom, Ranimangalam, C.Block, H.Block and Chlthlra with an approximate area of 3875 ha are utilized for trapping and holding of fishes in the lower Kuttanad region. The total production is computed at 65.1 t. The catches from the polders comprised of freshwater fishes (93.5%) and palaemonid prawns (6.5%).