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A Global Dataset on Nutrient Removal Capacity by Marine Macroalgae.
Peiling Xie1, Weidong Feng1, Junyu He2
1Key Laboratory of Water Pollution Control and Environmental Security Technology, Zhejiang Province, College of Environmental Resource Sciences, Zhejiang University, Hangzhou, 310058, China.
Scientific Data
|February 18, 2026
Summary
Macroalgal aquaculture effectively removes excess nutrients, mitigating marine eutrophication. This study synthesizes global data on macroalgae nutrient removal capacity, supporting ecosystem restoration and aquaculture planning.
Area of Science:
- Marine Biology
- Ecology
- Environmental Science
Background:
- Eutrophication from nutrient pollution threatens marine ecosystems globally.
- Macroalgal aquaculture is a nature-based solution for nutrient mitigation.
- A global synthesis of macroalgal nutrient removal capacity is lacking.
Purpose of the Study:
- To create the first comprehensive, open-access global dataset on marine macroalgae nutrient removal capacity.
- To synthesize existing data on macroalgal nutrient removal under diverse environmental conditions.
- To support evidence-based planning for macroalgal aquaculture and eutrophication management.
Main Methods:
- Compiled 2,011 records from 149 publications (1995-2024).
- Included data from 113 macroalgae species across 234 sites in 23 countries.
- Organized data by species, location, environmental parameters, and nutrient removal metrics (rates, efficiencies, amounts).
Main Results:
- The dataset represents the most extensive synthesis of macroalgal nutrient uptake to date.
- Includes detailed information on nutrient removal performance across various species and conditions.
- Provides structured data subsets for specific analyses, including in situ experiments.
Conclusions:
- This dataset is a vital resource for understanding macroalgal nutrient removal capacity.
- Facilitates informed decisions for macroalgal aquaculture development.
- Supports targeted eutrophication management and marine ecosystem restoration efforts.
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