COMMUNITY-BASED MANGROVE MANAGEMENT IN BANG LA, DAI HOP COMMUNES, AND TIEN LANG DISTRICT IN HAI PHONG, VIETNAM

Conservation, Forestry, GIS and Remote Sensing

Mangrove is a type of coastal swamps forest found in the tropics and sub-tropics typically between latitude 25 degrees N and -25 degrees S with fines and salty sediments that flooded by tides and abounded by salt-tolerant trees or shrubs. Intact and healthy mangrove forests have the potential for sustainable revenue-generating initiatives including eco-tourism, sport, fishing, and other recreational activities in recent years, a big conversion occurred due to the phenomenal growth of aquaculture. Shrimp farming is one of the major sectors in Vietnam. Meanwhile, mangrove forests have extreme socio-economic importance where a big community depends on the local resources for livelihood as well as mangrove ecosystem diversity and physical importance considering climatic and environmental circumstances. In this study, Landsat and Sentinel-2 data were used to evaluate the spatiotemporal changes in mangroves' cover status and focused on 1994, 2001 2010, 2015, and 2018, and decadal changes. Results revealed that the biggest expansion of mangroves occurred during 1994-2001 due to the support of the mangrove plantation project ‘Planting mangroves, preventing disasters’. Bang La and Dai Hop communes were found to be well-managed by local communities, while Tien Lang area was found to be vulnerable to natural disasters and human activities, due to its management and extensive practices of aquacultures. At the initial stage, the officials in Tien Lang did not cooperate with us to the mangrove area due to the security issues, despite this social-survey have been carried out to answer this question, how the mangrove management system being held by local communities in the study area.

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