The frequency and intensity of Atlantic hurricanes and their influence on the structure of south Florida mangrove communities

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Abstract

Hurricanes are formidable forces that wreak havoc on society and nature alike. Mangrove ecosystems are especially vulnerable because they thrive in the intertidal zone of tropical regions where hurricanes originate and are most frequent. Because mangroves are found at the land-sea interface where hurricanes are often most intense, these coastal forests are subject to damage from both high wind and surge. Mangroves are also an important habitat for many colonial and migratory birds and other wildlife, along with being nursery grounds for our fisheries. The fate of mangrove habitat as influenced by hurricanes may be threatened in the future under a global warming environment that might yield more intense storms than have been previously observed. Simulation models of hurricane abiotics and mangrove community dynamics have been developed to evaluate the effects of hurricanes on mangrove habitat across the South Florida landscape. Model applications show that hurricane frequency and intensity have varied spatially across Florida’s lower peninsula over the last century of record. Hindcast simulations of actual hurricane tracks and conditions seem to account for the structural composition of modernday mangrove forests across South Florida. A recurrence interval of major storms every 30 years over the last century is the major factor controlling mangrove ecosystem dynamics in South Florida. Some climate change models predict an increase in hurricane intensity over the next century that may further alter the structure and composition of our mangrove ecosystems. Model results of climate change scenarios indicate that future mangrove forests are likely to be diminished in stature and perhaps include a higher proportion of red mangroves. This modeling approach offers the ability to assess decadal and longer time scale changes in hurricane behavior and its effects on community structure and distribution of important plant associations such as the fate of mangrove habitat.

Study Area

Publication type Book chapter
Publication Subtype Book Chapter
Title The frequency and intensity of Atlantic hurricanes and their influence on the structure of south Florida mangrove communities
ISBN 9783540620785
DOI 10.1007/978-3-642-60672-4_6
Year Published 1997
Language English
Publisher Springer
Contributing office(s) National Wetlands Research Center, Wetland and Aquatic Research Center
Description 12 p.
Larger Work Type Book
Larger Work Subtype Monograph
Larger Work Title Hurricanes: Climate and socioeconomic impacts
First page 109
Last page 120
Country United States
State Florida
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