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   Collaborative Adaptive Rangeland Management Experiment

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CARM ARS Scientists

Justin Derner  David Augustine   David Hoover

Lauren Porensky   Dannele Peck  Liwang Ma

J. Raynor Hailey Wimer

 

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Project Introduction

The overarching goal of this study is to examine how science can be conducted in a real-world manner (i.e., at ranch-level scales with manager involvement) to evaluate the effectiveness of adaptive grazing management for both production and conservation goals.  In particular, we seek to examine how grazing management can be implemented in a manner that responds to current and changing rangeland conditions, incorporates active learning, and makes decisions based on quantitative, repeatable measurements collected at multiple spatial and temporal scales. 

To this end, ARS scientists and university collaborators have developed an adaptive grazing management experiment being implemented at the Central Plains Experimental Range in northeastern Colorado.  A Stakeholder Group of 11 persons was selected to represent ranchers, public land managers, conservation organizations and nongovernmental organizations.  This Stakeholder Group met in September of 2012 and January and September of 2013 to 1) choose and prioritize outcomes desired from this experiment, 2) determine criteria and/or triggers for movement of livestock among pastures in an adaptive manner, and 3) select appropriate monitoring data requirements needed for feedback to determine if management is achieving desired outcomes. This experiment has now been implemented from 2014 to the present. The CARM experiment is part of the ARS Long-term agroecosystem research network 

 

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Visual Obstruction methods description, regression for predicting biomass, and proposed VOR triggers for cattle movement to next pasture

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