Primary productivity in the oceans is lower in tropical latitudes than in temperate latitudes,primarily due to a permanent thermocline in tropical latitudes.

Question

Quizplus · Accepted Answer

The permanent thermocline in tropical latitudes limits the mixing of nutrient-rich deep waters with the surface waters, which can lead to lower primary productivity. Therefore, primary productivity is generally lower in tropical latitudes compared to temperate latitudes.

Primary Productivity in the Oceans Is Lower in Tropical Latitudes