Productivity

How much photosynthesis does an area do? That's a measure that biologists call Net Primary Productivity.

Here's a sample table that compares biomes, in grams of fixed carbon (i.e., sugar) per square meter per year.

Tropical Rainforest 1400
Temperate Forest 950
Savanna or Grassland 540
Desert 150
Tundra 80
Croplands 530

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