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Updated: Jun 7, 2025

A Low-Cost Method of Measuring the In Situ Primary Productivity of Periphyton Communities of Lentic Waters
Published on: December 16, 2022
Past, present and future global mangrove primary productivity
Mark Chatting1, Ibrahim Al-Maslamani2, Mark Walton3
1School of Civil Engineering, University College Dublin, Dublin, Ireland.
Mangrove Net Primary Productivity (NPP) shows a slight global decline but significant regional shifts. These changes impact carbon sequestration and coastal ecosystems worldwide.
Area of Science:
- Ecology
- Climate Change Research
- Marine Biology
Background:
- Mangrove productivity is vital for the global carbon cycle.
- Previous research lacked global/regional temporal trend analysis of mangrove Net Primary Productivity (NPP).
Purpose of the Study:
- To model global and regional mangrove NPP trends from 1980 to 2094.
- To identify significant regional shifts in mangrove productivity.
Main Methods:
- Utilized existing mangrove leaf litter data.
- Modeled NPP on a monthly timescale using the Marine Ecoregions of the World framework.
Main Results:
- Projected a slight global NPP decrease of ~1.4% by 2094.
- Identified substantial NPP increases in the Southwest Australian Shelf and parts of the Pacific.
- Observed NPP decreases in Southeast Asian regions like Java Transitional.
Conclusions:
- Mangrove productivity exhibits significant regional variability, challenging static global assumptions.
- These shifts have critical implications for carbon sequestration and inter-ecosystem organic matter transfer.
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