Appendix A. Comparison of R2 values in models where realized species richness (RSR) or realized functional richness (RFR) were used as covariates, block and water treatment were used as fixed factors, and the various items were used as response variables.
|Number of flowering knapweed stems||0.196||0.186|
|Number of non-flowering individuals of knapweed||0.182||0.151|
|Cumulative knapweed seed heads per subplot||0.20||0.186|
|Soil nitrogen (NH4+ and NO3-) in uninvaded subplots, 2005||0.204||0.206|
|Soil nitrogen (NH4+ and NO3-) in uninvaded subplots, 2006||0.196||0.192|
|Percentage reduction in PAR in uninvaded subplots||0.45||0.472|