Well-established relational contracts between shrimp farmers and wholesalers collapsed because the yield losses
were widespread and farmers were unable to fulfil their supply contracts. Switching to more disease-resistant
aquaculture species comes at the expense of lower profits and may provide only temporary relief from the
water pollution problem. Considering the large number of poor households that depend on the Lagoon for a living, it
is essential that levels of water pollution be reduced and managed.