The Bangpoo mangrove forest has fertility in the past, but now coast was destroyed more and more that make the Bangpoo mangrove forest has area only 700 rai. The issues of mangrove forest caused by wave blow toward the coast In the portrait scene. Due to the impact from digging deep groove from Chao Phraya estuary to Chonburi province since 2530 for economic reasons so plants in mangrove forest need to have quality to hold the soil as well and Avicennia alba is the best tree. We will see it a lot of in mangrove forest.