Theme 1-2: Rangeland/Grassland Ecology--Poster Sessions

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“Rangelands in most parts of the world are relatively homogenous and can be managed uniformly at the landscape scale” or “rangelands are extremely diverse and require different approaches even at the landscape scale.” Both statements are made frequently by rangelands scientists and managers. Both are correct. Whether or not it is worthwhile to consider soil variability when planning management and restoration at the landscape scale depends on objectives, location, and the management or restoration strategies under consideration. Together these factors determine whether outcomes are likely to be different at different locations in the landscape, and whether those outcomes can be significantly improved by varying management across the landscape. In this paper we present simple guidelines for deciding whether soil variability should be taken into account when planning management and restoration projects. We conclude by providing a few suggestions on how to decide whether existing soil maps are adequate where soil information is required, and suggestions for how to quickly field-check soil map accuracy.

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Simple Guidelines for Deciding When Soil Variability Does – and Doesn’t – Matter for Rangeland Management and Restoration

“Rangelands in most parts of the world are relatively homogenous and can be managed uniformly at the landscape scale” or “rangelands are extremely diverse and require different approaches even at the landscape scale.” Both statements are made frequently by rangelands scientists and managers. Both are correct. Whether or not it is worthwhile to consider soil variability when planning management and restoration at the landscape scale depends on objectives, location, and the management or restoration strategies under consideration. Together these factors determine whether outcomes are likely to be different at different locations in the landscape, and whether those outcomes can be significantly improved by varying management across the landscape. In this paper we present simple guidelines for deciding whether soil variability should be taken into account when planning management and restoration projects. We conclude by providing a few suggestions on how to decide whether existing soil maps are adequate where soil information is required, and suggestions for how to quickly field-check soil map accuracy.