0 1.2 Transect length (m)

Live 18 g Dead 87 g Total 105 g

GPR index 2013

Live 82 g Dead 30 g Total 112 g

GPR index 1910

FIGURE 30.3 Two locations (A and B) were scanned in an area of high reflectivity at Sanderson, Florida, and destructively sampled with a 15 cm diameter soil core. Core A had low root density and a large mass of dead material, the opposite ratio was observed in core B. Ground-penetrating radar (GPR) could not discriminate between roots and dead organic material.

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