Grazing effects on plant community succession of early- and mid-seral seeded grassland compared to shortgrass steppe
Version of Record online: 31 JAN 2013
© 2013 International Association for Vegetation Science
Journal of Vegetation Science
Volume 25, Issue 1, pages 22–35, January 2014
How to Cite
Milchunas, D. G., Vandever, M. W. (2014), Grazing effects on plant community succession of early- and mid-seral seeded grassland compared to shortgrass steppe. Journal of Vegetation Science, 25: 22–35. doi: 10.1111/jvs.12049
- Issue online: 16 DEC 2013
- Version of Record online: 31 JAN 2013
- Manuscript Accepted: 20 DEC 2012
- Manuscript Received: 4 OCT 2011
- US Department of Agriculture – Farm Service Agency
- Shortgrass Steppe Long-Term Ecological Research Program
- National Science Foundation. Grant Numbers: DEB-0217631, 0823405
- US Geological Survey
Appendix S1. Seven yr of annual and monthly precipitation at the study sites (Fig. S1), plant community species dissimilarity indices and species richness for grazing and mowing treatments over 5 yr of study (Fig. S2), and life-form statistics for paper Fig. 1.
Fig. S1. Monthly and mean annual precipitation (mm, October previous year through September current year) from 2003 to 2009 at the Briggsdale, Colorado weather station approximately 5 km southeast of study area.
Fig. S2. (A) Plant community species dissimilarity [Whittaker (1952) index (%) of community association] for early-seral and mid-seral seeded grassland grazed, ungrazed, or mowed contrasted with native grazed shortgrass steppe for 5 yr. A dissimilarity value of 100 % would mean that the two contrasted communities had no species in common, and a value of 0 % would mean that all species found in one community were found in the other and each species was observed in the same proportional abundance between the two contrasted communities. Bars within a year not sharing a common letter are significantly different. (B) Plant community species richness (or species density, number sampled per treatment-replicate-year in all quadrats) in early-seral and mid-seral seeded grassland and native shortgrass steppe in grazed, ungrazed, and mowed treatments for 5 yr. The first 2 yr for seeded grasslands were pre-treatment.
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