Evaluation of the gap intercept method to measure rangeland connectivity
For over twenty years, scientists and rangeland managers have used the gap intercept method to monitor the connectivity of rangeland ecosystems. In this synthesis, researchers review the ways gap intercept methods are currently conducted and demonstrate the value in supporting rangeland condition assessments and management actions.
One of the most important structural components of vegetation communities is the "bare soil gap" between individual plants. Land managers and researchers use the gap intercept method to quantify the size of gaps, measure spatial connectivity, and better understand the response of plant communities to environmental changes or disturbances. This review explores the importance of gaps between vegetation in rangelands and includes guidance on best practices for monitoring and interpretation. The authors discuss what is known about how gap intercept data can be used to assess wind and water erosion, plant community dynamics, wildlife habitat, and fuel connectivity and fire behavior. Overall, this synthesis paper demonstrates the value of the gap intercept method for supporting assessments of rangeland condition and vulnerability, and in planning future management actions.
McCord, S.E., Brehm, J.R., Dreesmann, L., Ellsworth, L.M., Germino, M.J., Herrick, J.E., Howard, B.K., Kachergis, E.J., Karl, J.W., Knight, A., Meadors, S., Nafus, A., Newingham, B.A., Olsoy, P.J., Pietrasiak, N., Pilliod, D.S., Schaefer, A., Webb, N.P., Wheeler, B., Williams, C.J., and Young, K.E., 2024, Evaluation of the gap intercept method to measure rangeland connectivity: Rangeland Ecology & Management. https://doi.org/10.1016/j.rama.2024.09.001
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