conservation

Marine Protected Areas: Why They Matter for Ocean Conservation

Ocean Action HubNovember 30, 20247 min read
Thriving marine life in protected area

Thriving marine life in protected area

Marine Protected Areas: Sanctuaries of the Sea

MPAs are among our most effective tools for ocean conservation.

Why MPAs Work

Proven Benefits

  • Fish populations 446% higher in fully protected zones
  • More species diversity
  • Larger individual fish
  • Spillover effect benefits surrounding areas

Global Progress

  • 8.2% of oceans in MPAs (2024)
  • Target: 30% by 2030
  • Only 3% fully protected

Notable MPAs

MPASizeLocation
Ross Sea2.06M km²Antarctica
Papahānaumokuākea1.5M km²Hawaii
Great Barrier Reef344,400 km²Australia

Success Stories

Cabo Pulmo, Mexico

  • No-fishing zone since 1995
  • Fish biomass increased 463% in 10 years
  • Community-led conservation

How You Can Help

  1. Support MPA-friendly tourism
  2. Advocate for 30x30 goals
  3. Report illegal fishing

Frequently Asked Questions

What is a marine protected area?

A designated section of ocean where human activities are regulated to protect marine ecosystems.

Do MPAs really work?

Yes, studies show fish populations can be 446% higher in fully protected zones.

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