Impact details: breakage and uprooting

impact chain for tropical coastal areas / storms (click nodes to view details):
selected case study results:
Case study reference
Spatial context
Impact description (case study)
Case study recommendations
Cahoon, D. R., Hensel, P., Rybczyk, J., McKee, K. L., Proffitt, C. E., & Perez, B. C. (2003). Mass tree mortality leads to mangrove peat collapse at Bay Islands, Honduras after Hurricane Mitch. Journal of ecology, 91(6), 1093-1105. Central America / Caribbean: Honduras Following Hurricane Mitch in 1998, the trunks of adult red mangroves were broken, while adult black mangrove trunks were uprooted on the islands of Guanaja and Roatan. Continued severe impact in Mangrove Bight was indicated by a complete lack of recovery (i.e. no regrowth) within the high impact area in 2001, 27 months after the storm. Few trees survived and recovery of high impact mangrove forests will thus depend primarily on seedling recruitment. -

Kovacs, J. M., Malczewski, J., & Flores-Verdugo, F. (2004). Examining local ecological knowledge of hurricane impacts in a mangrove forest using an analytical hierarchy process (AHP) approach. Journal of Coastal Research, 792-800. Central America / Caribbean: Mexico Fishermen observations regarding the impact of hurricanes on the mangrove forests of the Mexican Pacific indicated that mangrove survival is related to three attributes: main stem condition, diameter of main stem and species. The results suggest a high degree of consistency amongst the villages and with the observations of a previous investigation, and with a few exceptions, the fishermen indicated that large diameter trees were the most susceptible to hurricanes. Conversely, that black mangrove (Avicennia germinans) and an intact main stem condition would indicate a better likelihood of surviving such an event. -

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