Which factors govern the rate of primary productivity in freshwater and marine ecosystems?
A) availability of water
B) availability of sunlight and nutrients only
C) depth of the water only
D) depth of the water and availability of sunlight and nutrients
E) availability of oxygen

Question

Quizplus · Accepted Answer

The rate of primary productivity in freshwater and marine ecosystems is primarily governed by the depth of the water, which affects sunlight penetration, and the availability of nutrients, which are essential for photosynthesis and growth of primary producers like phytoplankton.

Which Factors Govern the Rate of Primary Productivity in Freshwater