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Related Concept Videos

What is Climate?01:16

What is Climate?

Climate refers to the prevailing weather conditions in a specific area over an extended period. As the saying goes, “Climate is what you expect. Weather is what you get.” Climate is influenced by geographic factors, such as latitude, terrain, and proximity to bodies of water.
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Updated: Jul 16, 2026

Investigating the Relationship between Sea Surface Chlorophyll and Major Features of the South China Sea with Satellite Information
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Published on: June 13, 2020

Assessing Climate Change Impacts on the Distribution and Ecological Risks of Cryptophyta in the China Seas Using

Ru Lan1,2, Jing Li3,4, Rongchang Chen1

  • 1Environmental Protection & Energy-Saving Technique Research Center, China Waterborne Transport Research Institute, Beijing 100088, China.

Biology
|July 15, 2026
PubMed
Summary

Climate change impacts microalgae habitats in China's seas. Future projections show altered suitability, emphasizing the need for climate-informed surveillance of Cryptophyta in ballast water.

Keywords:
Biomod2Cryptophytaballast watercoastal surveillanceenvironmental drivershabitat suitability

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Area of Science:

  • Marine Ecology
  • Algal Ecology
  • Climate Change Biology

Background:

  • Cryptophyta are vital microalgae in marine and brackish ecosystems.
  • Understanding their future habitat suitability under climate change is crucial for effective management.
  • Ballast water transport poses a risk for invasive species, including microalgae.

Purpose of the Study:

  • To predict the current and future potential distribution of Cryptophyta in China's coastal waters.
  • To identify key environmental variables influencing Cryptophyta habitat suitability.
  • To inform ballast-water-associated surveillance priorities under climate change scenarios.

Main Methods:

  • Utilized 136 georeferenced occurrence records of Cryptophyta.
  • Applied the Biomod2 ensemble modeling framework with 24 marine environmental variables.
  • Projected potential distribution under various climate change scenarios.

Main Results:

  • The ensemble model demonstrated high predictive performance (Kappa = 0.94, TSS = 0.94, AUC = 0.997).
  • Annual mean temperature and maximum salinity were dominant environmental constraints.
  • Suitable habitats are projected to remain extensive but may decline or reorganize under high-emission scenarios.

Conclusions:

  • Climate change will alter the spatial patterns of Cryptophyta habitat suitability.
  • Persistent or newly suitable habitats near ports and aquaculture areas are key surveillance priorities.
  • Findings support climate-informed monitoring and adaptive management of coastal microalgae.