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Type: Journal Article
Author(s): I. Stavi; D. Barkai; Y. M. Knoll; E. Zaady
Publication Date: December 2016

Fires in agricultural areas are common, modifying the functioning of agro-ecosystems. Such fires have been extensively studied, and reported to considerably affect soil properties. Yet, understanding of the impact of livestock grazing, or more precisely, trampling, in fire-affected lands is limited. The objective of this study was to assess the impact of low-to moderate-fire severity and livestock trampling (hoof action) on the solid soil's wettability and related properties, and on soil detachment, in burnt vs. non-burnt croplands. The study was implemented by allowing livestock to access plots under high, medium, and low stocking rates in (unintentionally) burnt and non-burnt lands. Also, livestock exclusion plots were assigned as a control.treatment. Results showed that fire slightly decreased the soil wettability. At the same time, water drop penetration time (WDPT) was negatively related to the stocking rate, and critical surface tension (CST) was similar to 13% smaller in the control plots than in the livestock-presence treatments. Also, the results showed that following burning, the resistance of soil to shear decreased by similar to 70%. Mass of detached material was similar in the control plots of the burnt and non-burnt plots. At the same time, it was three-, eight-, and nine-fold greater in the plots of the burnt x low, burnt x medium, and burnt x high stocking rates, respectively, than in the corresponding non-burnt ones. This study shows that livestock trampling in low- to moderate-intensity fire-affected lands increased the shearing of the ground surface layer. On the one hand, this slightly increased soil wettability. On the other hand, this impact considerably increased risks of soil erosion and land degradation. © 2016 Elsevier B.V. All rights reserved.

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Citation: Stavi, I., D. Barkai, Y. M. Knoll, and E. Zaady. 2016. Livestock grazing impact on soil wettability and erosion risk in post-fire agricultural lands. Science of the Total Environment, v. 573, p. 1203-1208. 10.1016/j.scitotenv.2016.03.126.

Cataloging Information

Regions:
Keywords:
  • ecosystem services
  • fire severity
  • grassland
  • grazing
  • Israel
  • Israeli Negev
  • Lithuania
  • Mixed Crop-Livestock Systems
  • quality
  • Sheep and Goat Impact
  • soil erosion
  • soil moisture
  • soil permeability
  • Soil-Water Repellency
  • Water and Wind Erosion
  • Water-Repellency
Tall Timbers Record Number: 33425Location Status: Not in fileCall Number: AvailableAbstract Status: Okay, Fair use
Record Last Modified:
Record Maintained By: FRAMES Staff (https://www.frames.gov/contact)
FRAMES Record Number: 55408

This bibliographic record was either created or modified by Tall Timbers and is provided without charge to promote research and education in Fire Ecology. The E.V. Komarek Fire Ecology Database is the intellectual property of Tall Timbers.