Biology — Energy at Trophic Levels

{
  "$schema": "https://vega.github.io/schema/vega-lite/v5.json",
  "description": "Energy at each trophic level",
  "data": {"values": [
    {"level":"Producers","energy":10000},
    {"level":"Primary consumers","energy":1000},
    {"level":"Secondary consumers","energy":100},
    {"level":"Tertiary consumers","energy":10}
  ]},
  "mark": "bar",
  "encoding": {
    "y": {"field":"level","type":"nominal","sort":null,"title":"Trophic level"},
    "x": {"field":"energy","type":"quantitative","title":"energy (kJ per m2 per yr)"},
    "color": {"field":"level","type":"nominal","legend":null}
  }
}