Science

Islands harbor nearly 20% of Earth's biodiversity, yet remain overlooked in conservation strategies

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Based on a feed excerpt; full article content has not been acquired. Source evidence retrieved 28/10/2026, 17:10:24 UTC.

Briefings

Islands cover only 7% of Earth's land but host nearly 20% of global biodiversity. Despite facing pressures like sea-level rise and biological invasions, these ecosystems remain underrepresented in international conservation strategies.

Key points

• Islands cover 7% of Earth's land surface but harbor 20% of the world's biodiversity.
• Islands face multiple pressures including sea-level rise and biological invasions.

Context

Island ecosystems are disproportionately rich in biodiversity relative to their land area, yet they remain underrepresented in global conservation strategies despite facing significant pressures from global change.

Limitations

Evidence is limited to a single sentence stating the biodiversity statistic and current pressures. Specific locations, species counts, or conservation strategy details are not provided.

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