Top 10Updated 2026年4月20日
Top 10 Marine Algal Ecosystems Contributing Most to Global Carbon Sink
Based on 2026 oceanographic monitoring, this list evaluates major marine algal ecosystems by their photosynthetic carbon sequestration and burial rates. The ranking considers geographical coverage, sequestration flux, and long-term storage capacity, highlighting the essential role these ecosystems play in mitigating global climate change.
Current #1
Southern Ocean
Interesting Facts & Summary
Why Algae Outperform Forests?
While terrestrial forests are widely recognized, marine algae (especially macroalgae and phytoplankton) possess 'Blue Carbon' sequestration rates that often exceed those of land-based ecosystems.
- Key Fact: Phytoplankton in the Southern Ocean, despite their microscopic size, contribute significantly to carbon storage due to their vast coverage and efficient biological pump.
- Dynamic Shifts: Rising ocean temperatures are challenging these 'carbon pump' mechanisms, making the preservation of these ecosystems more urgent than ever.
| Rank | Ecosystem Name | Annual Carbon Sequestration (Mt C) | Dominant Algal Type |
|---|---|---|---|
Southern Ocean | 150.5 | Diatoms | |
North Atlantic Drift | 112.3 | Coccolithophores | |
Sargasso Sea | 85 | Sargassum | |
| 4 | Pacific Equatorial Upwelling | 78.4 | Picophytoplankton |
| 5 | Great Barrier Reef System | 62.1 | Macroalgae & Crustose Coralline Algae |
| 6 | Arctic Marginal Seas | 55.8 | Ice Algae |
| 7 | South American Pacific Kelp Forests | 48.2 | Giant Kelp |
| 8 | Arabian Sea Upwelling | 42.6 | Dinoflagellates |
| 9 | Western Australian Kelp Beds | 39.5 | Brown Algae |
| 10 | Kuroshio Current Region | 35 | Diatoms & Coccolithophores |
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