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Fig 2 | Annals of Forest Science

Fig 2

From: Assessment of ground-based skidding impacts on the horizontally rate and extent of soil disturbance along the margin of the skid trail

Fig 2

a Mean ± Std.Error of bulk density in skid trails for different slope gradient classes with different distance zones from wheel rut into the forest following 20 skidding passes. Different letters indicate statistically significant differences among different zones for each slope gradient class. b Mean ± Std.Error of bulk density in skid trails for different slope gradient classes with different distance zones from wheel rut into the forest following 40 skidding passes. Different letters indicate statistically significant differences among different zones for each slop gradient class separately

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Annals of Forest Science

ISSN: 1297-966X