In which aquatic zone are ecosystems with the world's highest net primary productivities per unit area found?

Question

Quizplus · Accepted Answer

The coastal zone, which includes estuaries, salt marshes, and mangrove forests, has high levels of sunlight and nutrient inputs from both marine and terrestrial sources, leading to high primary productivity. This productivity supports a wide variety of organisms, including fish, shellfish, and marine mammals, making it a critical area for commercial and recreational fishing.

In Which Aquatic Zone Are Ecosystems with the World's Highest