agar
rence $
Table 5: COMPARISON OF GROUND AND PHOTO HEIGHT MEASUREMENTS
IN TROPICAL MIXED FORESTS OF BASTAR
Technique No. of Mean height| Standard t 2 SE
Observation (m) deviation (m)
(m)
Ground measured 294 16.2 4.1 0.47
Photo measured 294 16.3 5.2 0.59
Photo estimated 294 15.4 5.5 0.62
Ground height -
photo measured 294 70.1 5.4 0.62
Ground height -
photo estimated 294 70.7 4.6 0.53
Photo measured -
photo estimated 294 0.8 5.9 0.68
Source: F.5.0./G.0.1., P.1.S9S. of F.R., central zone,
1966-68