Protective capacity of mangroves during tropical storms: a case study from 'Wilma' and 'Gamma' in Belize

Granek, Elise F. and Ruttenberg, Benjamin I. (2007) Protective capacity of mangroves during tropical storms: a case study from 'Wilma' and 'Gamma' in Belize. Marine Ecology Progress Series (MPES). ISSN 0171-8630

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    Abstract

    Globally threatened mangrove forest habitat is often considered an important buffer protecting coastlines from wave and storm impacts and coastal erosion. However, there is little empirical data quantifying the protective effects of mangroves during storms, primarily because of the difficulty of predicting where and when a storm will intersect the shoreline, to facilitate data collection before and after storm events. In 2005, opportunistic results from an ongoing study quantifying differences between intact and cleared mangrove areas on Turneffe Atoll, Belize, provided such pre- and post-storm data from tropical storms ‘Wilma’ (later a Category 5 Hurricane) and ‘Gamma’. We compared differences in equipment retention rates of 3 types of experimental devices previously installed in adjacent intact and cleared mangrove areas. Retention rates were greater in intact mangrove areas, empirically demonstrating the protective capacity of mangroves during moderate magnitude storm events. The results support the assumption that removal of mangroves diminishes coastal protection not only during catastrophic storm events such as hurricanes or tsunamis, but also during less energetic but more frequent events, such as tropical storms. This highlights the importance of improved coastal zone management, as storm events may increase in frequency and intensity with changing climate, and coastal mangrove forest habitats continue to decline in size and number.

    Item Type: Peer-reviewed Journal Article
    Related URLs:
      Unique ID or DOI: 10.3354/mep0741
      Publisher: Inter Research
      Keywords: Climate change, Coastal buffer, Deforestation, Ecosystem service, Hurricane, Tsunami
      Subjects: (A) Biodiversity > (AC) Fish > (ACB) Marine
      (C) Ecosystems > (CB) Marine > (CBA) Coral Reefs
      (C) Ecosystems > (CB) Marine > (CBE) Mangroves
      Publication Sources: (3) Other Source > (3C) Other Universities
      Date Deposited: 25 Jul 2014 10:25
      Last Modified: 25 Jul 2014 10:25
      URI: http://eprints.uberibz.org/id/eprint/1450

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