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Using expert knowledge and modeling to define mangrove composition, functioning, and threats and estimate time frame
Nibedita Mukherjee1, William J Sutherland2, Md Nabiul I Khan3
1Laboratory of Systems Ecology and Resource Management, Université Libre de Bruxelles CP 169, Avenue F.D. Roosevelt 50, B-1050, Brussels, Belgium ; Laboratory of Plant Biology and Nature Management, Vrije Universiteit Brussel Pleinlaan 2, B-1050, Brussels, Belgium.
Ecology and Evolution
|November 1, 2014
Summary
Global experts defined mangrove ecosystems and their functions. Coastal development poses the greatest threat to mangroves, requiring significant restoration time.
Area of Science:
- Ecology
- Environmental Science
- Marine Biology
Background:
- Mangroves are vital coastal ecosystems facing global threats.
- Loss of mangroves impacts ecosystem functioning and services.
- Understanding mangrove constituents, functions, and restoration is crucial.
Purpose of the Study:
- To establish a consensus definition of mangrove ecosystems.
- To identify and rank key ecological functions and threats.
- To assess the maintenance of mangrove constituents and functions in degraded areas.
Main Methods:
- Global Delphi technique survey with 106 mangrove experts.
- Consensus building on mangrove definition, species, functions, and impacts.
- Modeling approach to simulate recovery timeframes for degraded mangroves.
Main Results:
- A consensus definition of mangrove ecosystems was established.
- Coastal development identified as the most significant threat to mangroves globally.
- Ranking of ecological functions, faunal groups, and impacts provided.
Conclusions:
- Mangroves are ecologically unique, even if vegetation-poor.
- Consensus species list and function rankings aid restoration and management.
- Mitigating coastal development impacts is critical for mangrove conservation.
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