Structure and evaporative capacity of major Australian plant formations (which may be regarded as climatic climax formations) Foliage Evaporative Mean Monthly Major Projective coefficient Moisture Formation Upper Stratum Cover (% (k) Indext Closed -forest Trees 100-800.120-0.096 1.00 (1) Many genera Tall open-forest Trees(Eucalyptus) 80-700.096-0.085 1.00-0.86 Open- forest Trees(Eucalyptus 70-500.0850.0620.86-0.58 Tall woodland Trees(Eucalyptus) 50-400.062-0.0520.58-0.45 Woodland Trees 40-300.052-0.040 0.45-0.30 (1)Eucaly (2 )Casuarina Tall shrubland ruts (Acacia 30-200.040-0.0300.30-0.17 Shrubs (acacia 20-100.030-0.0200.17-0.05 Dpen-shrubland Shrubs(Acacia <10 <0.020 <0.05 Hummock grassland Hummock grasses <25 <0.035 <0.23 (Triodia) The magnitude of the coefficient k indicates the evaporative capacity of Australian evergreen perennial plant communities(Specht 1972a) t Moisture Index= Ratio of Actual evapotranspiration(Ea)to Pan evaporation(Eo)Structure and evaporative capacity of major Australian plant formations (which may be regarded as climatic climax formations)