APES unit one primary productivity

Primary productivity

The rate producers convert solar energy into chemical energy in the form of organic compounds

GPP

The total rate of photosynthesis in an ecosystem.

NPP

The energy remaining after producers use some of the GPP for their own respiration

High productive biomes

tropical rainforests, freshwater wetlands, swamps, and estuaries.

Low productive biomes

The open ocean and dessert

Food web

Producers, primary consumers, secondary consumers, tertiary consumers, decomposers