Question

What is a possible cause for a decrease in ecosystem productivity

Answer 1

a decrease of the biodiversity of an ecosystem

Step-by-step explanation:

Answer 2

The answer is decrease in biodiversity.

Ecosystem productivity is the growth rate of the organisms of that ecosystem. The biodiversity is an important determinant of ecosystem productivity. The decrease in biodiversity will affect the food chains, for example, and will lessen the productivity. Or, it can decrease diversity of abiotic factors, which will consequently decrease productivity.