Grass and herbs in an old-field community produce 500 grams of organic matter per square meter per year that is available for other organisms in the community to consume. This amount is known as the:

Question

Quizplus · Accepted Answer

Net primary production (NPP) is the rate at which all the plants in an ecosystem produce net useful chemical energy; in other words, it is the amount of organic matter produced by plants that is available for consumption by other organisms in the ecosystem. The 500 grams of organic matter per square meter per year produced by grass and herbs in an old-field community represents the net primary production.

Grass and Herbs in an Old-Field Community Produce 500 Grams