Summary: Existing studies show that it is possible to identify most of the macropatterns of both natural and manmade forests with conventional aerial photographs at a scale of 1 20 000 or less A member of a Brazilian survey team prepares to climb and measure a tree in the Amazon In the past 20 years about 100 tropical forest surveys have been made most of them by FAO The world s
Image Dimensions: 463 x 530
Image originally found here.