ചെമ്മീന്‍ കൃഷി (Prawn farming)

Abstract

The traditional practice of prawn filtration prevalent in the low-lying brackishwater impoundments including the 'pokkali' fields adjoining the Vembanad Lake in Kerala has spread to other areas along the northern and southern regions of the State in recent years. Filtration is the method of trapping and holding the juveniles of prawns ascending along with the high tide in brackishwater impoundments and harvesting thern at periodical intervals. As per the 1991 statistics this traditional practice is prevalent in about 12,500 ha spread over the coastal areas of Kannur, Thriasur, Ernakulam, Alleppey, Kottayam and Kollam districts of Kerala state.