Impact of Intensive Forest Management Practices on the Bulk Density of Lower Coastal Plain and Piedmont Soils

Gent, J. A.; Ballard, R.

doi:10.1093/sjaf/9.1.44

Cited by 9 publications

(8 citation statements)

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“…After the soil compacted, soil infiltrability and permeability decrease. Similarly, if the compaction is accomplished with a proper moisture control, the movement of capillary water is minimized (Gent and Ballard, 1985).…”

Section: Resultsmentioning

confidence: 99%

“…Then soil compaction reduces soil infiltrability and permeability (Froehlich and McNabb, 1983.) Similarly, if the compaction is accomplished with proper moisture control, the movement of capillary water is minimized (Gent and Ballard, 1985). It is well known that root and plant growth significantly decreases when surface soil properties (especially physical and hydraulic properties) are damaged.…”

Section: Introductionmentioning

confidence: 99%

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The effects of land use changes and management types on surface soil properties in Kafkasör protected area in Artvin, Turkey

2010

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

The effects of land use changes and management types on surface soil properties in Kafkasör protected area in Artvin, Turkey

2010

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“…One of the critical factors affecting the degree of soil compaction is the number of machine passes in a ground-based system. Maximum soil compaction normally occurs within the first 10 passes of a harvesting machine (Gent and Ballard 1984), with the greatest impact occurring in the first few passes (Froehlich et al 1980;Han et al 2006).…”

Section: Introductionmentioning

confidence: 99%

Soil compaction associated with cut-to-length and whole-tree harvesting of a coniferous forest

et al. 2009

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The degree and extent of soil compaction, which may reduce productivity of forest soils, is believed to vary by the type of harvesting system, and a field-based study was conducted to compare soil compaction from cut-to-length (CTL) and whole-tree (WT) harvesting operations. The CTL harvesting system used less area to transport logs to the landings than did the WT harvesting system (19%–20% vs. 24%–25%). At high soil moisture levels (25%–30%), both CTL and WT harvestings caused a significant increase of soil resistance to penetration (SRP) and bulk density (BD) in the track compared with the undisturbed area (p < 0.05). In the center of trails, however, only WT harvesting resulted in a significant increase of SRP and BD compared with the undisturbed area (p < 0.05). Slash covered 69% of the forwarding trail area in the CTL harvesting units; 37% was covered by heavy slash (40 kg·m–2) while 32% was covered by light slash (7.3 kg·m–2). Heavy slash was more effective in reducing soil compaction in the CTL units (p < 0.05). Prediction models were developed that can be used to estimate percent increases in SRP and BD over undisturbed areas for both CTL and WT harvesting systems.

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“…As a consequence of compaction, soil infiltrability and permeability are reduced [15,17]. Similarly, if the compaction is accom-plished with proper moisture control, the movement of capillary water is minimized [18,19]. The minimized capillarity reduces the tendency in the soil to take up water and its shearing resistance.…”

Section: Introductionmentioning

confidence: 99%

Effect of Visitor Activities on Surface Soil Environmental Conditions and Aboveground Herbaceous Biomass in Ayder Natural Park

Yüksek¹

2009

CLEAN Soil Air Water

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The effects of visitor activities on surface soil environmental conditions and aboveground herbaceous biomass in Ayder Natural Park, Turkey, were investigated. Soil properties and aboveground herbaceous biomass were identified and characterized as heavily trafficked site (HTS), moderately trafficked sites (MTS) and control (non-trafficked site) in grassland in a forest gap. Some soil properties were measured on 60 pits at 0 -5 and 5 -10 cm soil depths. The intensity of visitor activities had a negative impact on both surface soil properties and the aboveground herbaceous plant biomass and root mass in the study area in Ayder. The soil bulk density and soil penetration resistance increased from 0.94 to 1.47 g cm -3 and 0.55 to 1.65 MPa, respectively, saturated hydraulic conductivity decreased from 77.98 to 8.85 mm h -1 , and soil organic matter decreased from 6.71 to 1.77% in moderately and heavily trafficked sites, respectively, at 0 -5 cm soil depth. The soil properties were degraded at both the surface layer and the subsurface layer and the greatest degradation was measured in the heavily trafficked site followed by the moderately trafficked site. There was a strong negative linear relationship between soil degradation and aboveground herbaceous plant biomass, which decreased by 50.05 and 78.19% in moderately and heavily trafficked sites, respectively.

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Impact of Intensive Forest Management Practices on the Bulk Density of Lower Coastal Plain and Piedmont Soils

Cited by 9 publications

References 0 publications

The effects of land use changes and management types on surface soil properties in Kafkasör protected area in Artvin, Turkey

The effects of land use changes and management types on surface soil properties in Kafkasör protected area in Artvin, Turkey

Soil compaction associated with cut-to-length and whole-tree harvesting of a coniferous forest

Effect of Visitor Activities on Surface Soil Environmental Conditions and Aboveground Herbaceous Biomass in Ayder Natural Park

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