d LIGHT DAISY AREA
ð
Þ =dt ¼ LIGHT DAISY AREA Ã NO DAISY AREA
à LIGHT DAISY GROWTH
ð44:3Þ
d DARK DAISY AREA
ð
Þ =dt ¼ DARK DAISY AREA Ã NO DAISY AREA
à DARK DAISY GROWTH
ð44:4Þ
where NO DAISY AREA is the fraction of fertile planet surface area not populated
by daisies:
NO DAISY AREA ¼ FERTILE AREA À LIGHT DAISY AREA
À DARK DAISY AREA
ð44:5Þ
Fig. 44.1
44.1 Daisyworld Model
413