5 Mitigating the Impacts of Paralytic Shellfish Poisoning During Harmful. . .
61
Fig. 5.8 Number of PSP cases (bar graph) and areas with toxic algal blooms (line graph) in the
Philippines, from 1983 to 2010
Fig. 5.9 Five-year production estimates in US dollar of five commercially important shellfish
species (bar graphs) and the occurrence of Pbc cells (line graph) in Sorsogon Bay. Total ban on
harvest of all kinds of shellfish resulted in almost zero production in 2007 and 2008. Production of
carpet shell became possible after introduction of selective banning since 2009 (Source: Sorsogon
Provincial Agriculture Office)
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