Monitoring on working ranches in the Nebraska Sandhills — 2021 update
The Sandhills Rangeland Monitoring Cooperative is a rangeland monitoring project that seeks to link ranchers, scientists and the public in a network of knowledge exchange about rangeland health and management in the Nebraska Sandhills.
The goal of the project is to better understand what influences the plant community in the Nebraska Sandhills and help guide management efforts to protect this vital part of Nebraska.
The Nebraska Sandhills provide valuable grazing land and plentiful ecosystem services such as carbon sequestration, wildlife habitat, diverse plant communities, hydrologic cycles, erosion control, and natural beauty. Collecting and evaluating rangeland monitoring data is critical to understanding the influence of management practices on plant communities and soil health, as it can help identify clear objectives.
In 2021, SRMC had 14 participating ranches spread across the Sandhills with a diversity of ownership and grazing management strategies.
Ranches were grouped into two regions (western Sandhills and central/eastern Sandhills) based on the NRCS groupings of the precipitation zones in the Nebraska Sandhills Major Land Resource Area (MLRA). The western region is in the low-precipitation zone, which averages 14-17 inches per year. The central and eastern regions are in the medium precipitation zone with 17-22 inches per year and the high precipitation zone with 22-25 inches.
At each ranch, three upland monitoring sites located on hill tops and slopes were established within three study pastures. At each pasture, photo points were established, and ground cover and vegetation species composition data were collected at 99 different individual locations using a 40-centimater square quadrat. Additionally, soil-health measures were collected from six soil cores 0 to 8 inches deep and sent to a lab for soil biology and chemistry analysis.
Ranch managers of the participating ranches were interviewed by telephone. These interviews are repeated each year to gather ranch management information and note any changes to management from year to year.
Species composition data from three years (2019, 2020, 2021) indicate that the plant community dynamics tend to shift as one moves across the Sandhills regions. The western region (low-precipitation zone) contained a slightly different plant community than the central and eastern (or the mid- and high- precipitation zones) Sandhills. For example, it was more common to see sand dropseed and blue grama on ranches in the western Sandhills, while stiff sunflower and little bluestem were more frequent in the central and eastern Sandhills. (See photo).
Considering this information over the long term and comparing it with past and future data can help understand what influences the plant community in the Nebraska Sandhills and help guide management to protect it.
The SRMC is currently analyzing data taken over the three years of this study. To learn more about the project and to follow along with the data interpretations and results, please visit the SRMC website at https://spark.adobe.com/page/EkDaaEdOVwCXG/. This site is updated with more data at the conclusion of each growing season. If you have questions about setting up a rangeland monitoring program or the SRMC project, please contact Range/Forage Management Specialist Mitch Stephenson at email@example.com.
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