Improper sewage treatment and contigent valuation for its improvement of a fishery unit in Burdwan district, West Bengal.

摘要

Sewage fed fishery is often considered to have some cost advantage over application of fertilizer and artificial feed for the growth of fishery resources. It is supposed to promote growth of phytoplankton and zooplankton, which are the natural feed of fish resources. However, application of untreated and improperly treated sewage may instead of proving beneficial, vitiate the water quality in terms of reduced DO or even fluctuant hardness of pond water. Fishermen's joint willingness to pay and initiative to contribute to installation of better sewage treatment facility may cater to the prospects and sustainability of fishery resource.