ECOLOGY OF RAINFOREST AND SCLEROPHYLLOUS COMMUNITIES 
75 
Environmental Community type 
factor 
A1 
A2 
B1 
B2 
Cl 
C2 
Edaphic factors: 
pH 
6.03 
(4.8-6.7) 
5.87 
(4.2-7.4) 
5.98 
(4.8-6.3) 
5.31 
(4.3-6.4) 
5.83 
(4.8-7.1) 
5.41 
(4.7-6.8) 
Acid extractable 
phosphorus (ppm) 
49.4 
(9.1-169.2) 
32.8 
(4.5-88.7) 
31.5 
(12.1-83.3) 
46.3 
(14.3-71.3) 
21.5 
(6.2-47.2) 
24.0 
(7.1-70.1) 
Exchangeable 
calcium (ppm) 
1180 
(408-2101) 
865 
(322-1230) 
1008 
(475-1240) 
587 
(296-1138) 
712 
(420-1210) 
602 
(312-870) 
Site insolation 
(kJ/cm 2 /yr) 
359.0 
(250-660) 
594.6 
(388-750) 
572.8 
(390-670) 
556.1 
(410-685) 
666.5 
(452-760) 
685.3 
(510-775) 
Table 3. Average values of environmental factors for community types. Figures in parentheses represent the 
range of values. 
Environmental Community types Total No. 
factors 
A1 
(27 sites) 
A2 
(30 sites) 
B1 
(28 sites) 
B2 
(29 sites) 
Cl 
(61 sites) 
C2 
(85 sites) 
sites for 
each factor 
Soil pH 
p < 0.05* 
p < 0.9 
p < 0.05* 
p < 0.5 
p < 0.05* 
p < 0.01* 
(4.0-4.9) 
1.00 
1.16 
0.20 
1.60 
0.27 
1.37 
47 
(5.0-5.9) 
0.63 
0.94 
0.93 
0.88 
1.11 
1.16 
152 
(6.0-7.0) 
2.00 
1.00 
1.71 
0.86 
1.26 
0.30 
61 
Soil texture 
p < 0.05* 
p < 0.01* 
p < 0.9 
p < 0.7 
p < 0.05* 
p < 0.5 
(sand-loamy sand) 
2.00 
2.33 
1.0 
0.80 
0.45 
0.68 
48 
(sandy loam) 
0.77 
0.66 
0.94 
0.94 
1.26 
1.11 
167 
(s.clay loam-silty 
clay) 
0.80 
0.66 
1.2 
1.40 
0.73 
0.93 
45 
Acid extractable 
phosphorus 
p < 0.01* 
p < 0.2 
p < 0.1 
p < 0.001* 
p < 0.001* 
p < 0.1 
(0—25 ppm) 
0.60 
0.75 
0.73 
0.56 
1.47 
1.13 
141 
(25—50 ppm) 
0.86 
1.25 
1.38 
0.88 
0.69 
1.13 
71 
(> 50 ppm) 
2.40 
1.16 
1.80 
2.60 
0.00 
0.50 
48 
Exchangeable 
calcium 
p < 0.05* 
p < 0.2 
p < 0.01* 
p < 0.8 
p < 0.7 
p < 0.001* 
(0-499 ppm) 
0.20 
0.50 
0.20 
0.80 
1.00 
1.73 
46 
(500-1000 ppm) 
0.94 
1.05 
0.89 
1.11 
0.92 
1.09 
163 
(> 1000 ppm) 
2.00 
1.60 
2.20 
0.83 
1.25 
0.00 
48 
Site insolation 
p < 0.001* 
p < 0.2 
p < 0.01* 
p < 0.5 
p < 0.01* 
p < 0.01* 
« 550 kJ/yr) 
4.00 
1.17 
1.60 
1.40 
0.09 
0.33 
48 
(550-650 kJ/yr) 
0.36 
1.33 
1.50 
0.83 
1.15 
0.89 
109 
(> 650 kJ/yr) 
0.27 
0.58 
0.18 
0.91 
1.25 
1.41 
103 
p — probability that the deviation is due to chance 
^denotes statistically significant deviation from expected values at or above the 95% level. 
Table 4. Chi-square analysis of environmental factors within each vegetation group and the ratios of observed 
value/expected value for the selected ranges of each factor. 
