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Global mapping reve...
Global mapping reveals increase in lacustrine algal blooms over the past decade
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- Hou, Xuejiao (author)
- Southern University of Science and Technology
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- Feng, Lian (author)
- Southern University of Science and Technology
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- Dai, Yanhui (author)
- Southern University of Science and Technology
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- Hu, Chuanmin (author)
- University of South Florida
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- Gibson, Luke (author)
- Southern University of Science and Technology
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- Tang, Jing (author)
- Lund University,Lunds universitet,MERGE: ModElling the Regional and Global Earth system,Centrum för miljö- och klimatvetenskap (CEC),Naturvetenskapliga fakulteten,Institutionen för naturgeografi och ekosystemvetenskap,Centre for Environmental and Climate Science (CEC),Faculty of Science,Dept of Physical Geography and Ecosystem Science,University of Copenhagen
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- Lee, Zhongping (author)
- University of Massachusetts
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- Wang, Ying (author)
- Southern University of Science and Technology
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- Cai, Xiaobin (author)
- Chinese Academy of Sciences
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- Liu, Junguo (author)
- Southern University of Science and Technology
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- Zheng, Yi (author)
- Southern University of Science and Technology
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- Zheng, Chunmiao (author)
- Southern University of Science and Technology
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(creator_code:org_t)
- 2022-02-03
- 2022
- English 5 s.
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In: Nature Geoscience. - : Springer Science and Business Media LLC. - 1752-0894 .- 1752-0908. ; 15:2, s. 130-134
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Abstract
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- Algal blooms constitute an emerging threat to global inland water quality, yet their spatial and temporal distribution at the global scale remains largely unknown. Here we establish a global bloom database, using 2.91 million Landsat satellite images from 1982 to 2019 to characterize algal blooms in 248,243 freshwater lakes, representing 57.1% of the global lake area. We show that 21,878 lakes (8.8%) spread across six continents have experienced algal blooms. The median bloom occurrence of affected lakes was 4.6%, but this frequency is increasing; we found increased bloom risks in the 2010s, globally (except for Oceania). The most pronounced increases were found in Asia and Africa, mostly in developing countries that remain reliant on agricultural fertilizer. As algal blooms continue to expand in scale and magnitude, this baseline census will be vital towards future risk assessments and mitigation efforts.
Subject headings
- NATURVETENSKAP -- Biologi -- Ekologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Ecology (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Oceanografi, hydrologi och vattenresurser (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Oceanography, Hydrology and Water Resources (hsv//eng)
Publication and Content Type
- art (subject category)
- ref (subject category)
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- By the author/editor
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Hou, Xuejiao
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Feng, Lian
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Dai, Yanhui
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Hu, Chuanmin
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Gibson, Luke
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Tang, Jing
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show more...
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Lee, Zhongping
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Wang, Ying
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Cai, Xiaobin
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Liu, Junguo
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Zheng, Yi
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Zheng, Chunmiao
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Biological Scien ...
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and Ecology
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Earth and Relate ...
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and Oceanography Hyd ...
- Articles in the publication
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Nature Geoscienc ...
- By the university
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Lund University