Coastal Forest Structure Survey and Associated Land Crab Population in Suao Dakenggu Community, Yilan, Taiwan

Coastal forests can increase the resilience of seaside communities against natural disasters. These also provide other benefits, including food and an avenue for economic growth. The Dakenggu community in Suao, Yilan (Taiwan), is adjacent to a coastal forest with area nearly 114,000 m2. Artificial plantation has been performed locally this since 1977 prevent loss beaches. was estimated through drone aerial photography combined geographic information system. We found that Pandanus tectorius (11.5%), Casuarina equisetifolia (30.8%), Cerbera manghas (4.07%), Hibiscus tiliaceus (5.2%), grass (23.52%) are dominant species plant Dakenngu forest, which together accounted 75.1% total land area. covered by different examined as well. height diameter at breast (DBH) main tree five transects were surveyed, we some significant differences among correspond cohorts planted times Forestry Bureau. survey crabs same over months infer any crab transects. transect dominated H. had larger population than others. revealed mudflat Chiromantes haematocheir prefers live under tiliaceus. Finally, propose recommendations improving biodiversity so it become sustainable resource its residents.