The seafloor is more than just the ground beneath the sea. Two-thirds of Earth's surface is covered by oceans, which have an average depth of almost 4 kilometers (2.5 miles). For a long time, the seafloor's remoteness protected it from widespread human disturbance. But that is changing: Bottom trawling now reaches depths of around 4,000 meters (13,100 feet) and already disturbs up to 2% of the global seafloor each year.
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The Importance of a Healthy Seafloor for Global Ecosystems
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September 23, 2026
1 min read
📰 Phys.org
📋 Key Takeaway
The article discusses the increasing human disturbance of the seafloor due to bottom trawling, which affects up to 2% of the global seafloor annually. This issue is relevant to global environmental health and could have implications for countries like Iran that rely on marine resources. The seafloor's health is crucial for maintaining the Earth's ecosystem.
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