Table 1. The average size of ponds per household (ha/household).
Households Min Max Mean Std No. of Obs
Trang Cat 1 50 12.81 14.09 34
Bang La 0.07 1.08 0.24 0.23 36
Source: Survey, August 2011
Shrimp pond area was one of the main driving factors leading to the loss and degradation of
mangroves in the study area. Local people in Trang Cat mad their own shrimp ponds. Shrimp and sea
crab ponds were located outside the dykes system and close to the sea or river mouths where mangrove
found. Mangrove areas were converted to shrimp aquaculture by local people. In contrast, the tiny shrimp
ponds in Bang La were converted mainly from salt ponds. According to interviews with headmen of the