Which feedback to nutrient upwelling results when benthic bioturbation decreases?

💡 Explanation

Decreased bioturbation reduces nutrient transport from sediments into the water column because it impairs the process of mixing, therefore primary productivity drops, rather than enhanced sediments reducing light penetration for photosynthesis in upper waters.

• Which topographic outcome occurs when permafrost thawing triggers widespread solifluction on a hillside?
• Which phenomenon most directly causes the formation of deep-sea trenches along subduction zones?
• Which outcome can cause decreased upwelling when surface winds decline along a coastline?
• Which atmospheric effect increases when trade wind strength diminishes?
• Which risk increases along subduction zones following prolonged tectonic quiet?
• Which outcome occurs when increased rainfall accelerates chemical weathering?