Density αSMA (95% CI) βSMA (95% CI) R2
Chenopodium glaucum All 1.028 (0.988, 1.069) 1.527 (1.435, 1.619) 0.75***
D1 0.770b (0.587, 1.011) 1.190c (0.862, 1.519) 0.85***
D2 1.024a (0.917, 1.144) 1.484b (1.281, 1.687) 0.86***
D3 0.851b (0.771, 0.939) 1.262c (1.080, 1.443) 0.75***
D4 1.011a (0.919, 1.112) 1.516a (1.289, 1.743) 0.59***
D5 0.988a (0.922, 1.058) 1.380b (1.222, 1.539) 0.65***
Setaria viridis All 1.179 (1.115, 1.247) 1.927 (1.76, 2.094) 0.50***
D1 0.912a (0.481, 1.731) 1.457d (0.097, 2.816) 0.05ns
D2 1.288a (1.063, 1.562) 1.994b (1.440, 2.548) 0.57***
D3 1.163a (1.014, 1.333) 2.006a (1.626, 2.386) 0.50***
D4 1.236a (1.097, 1.392) 1.988c (1.620, 2.357) 0.34***
D5 1.142a (1.043, 1.251) 1.866d (1.589, 2.143) 0.44***
Cleistogenes squarrosa All 0.951 (0.913, 0.991) 0.462 (0.41, 0.515) 0.71***
D1 0.598a (0.375, 0.952) 0.482a (0.282, 0.682) 0.53**
D2 0.802a (0.624, 1.029) 0.470b (0.282, 0.659) 0.27***
D3 0.792a (0.697, 0.900) 0.304d (0.202, 0.406) 0.56***
D4 0.831a (0.754, 0.916) 0.268e (0.157, 0.379) 0.54***
D5 0.857a (0.799, 0.919) 0.316c (0.226, 0.405) 0.63***
Leymus chinensis All 1.021 (0.975, 1.068) 0.248 (0.197, 0.299) 0.66***
D1 0.597a (0.317, 1.123) 0.447 (0.347, 0.547) 0.08ns
D2 1.114a (0.847, 1.467) 0.251 (0.146, 0.357) 0.16**
D3 1.069a (0.91, 1.255) 0.342 (0.178, 0.505) 0.30***
D4 1.046a (0.94, 1.164) 0.199 (0.091, 0.308) 0.45***
D5 0.979a (0.892, 1.075) 0.218 (0.097, 0.338) 0.34***
Medicago sativa All 0.764 (0.738, 0.79) -0.089 (-0.109, -0.069) 0.80***
D1 2.152a (1.142, 4.057) 0.170a (-0.047, 0.386) 0.08ns
D2 0.758b (0.663, 0.866) -0.027b (-0.061, 0.007) 0.80***
D3 0.858b (0.784, 0.940) -0.057c (-0.094, -0.020) 0.78***
D4 0.680b (0.638, 0.725) -0.170c (-0.204, -0.137) 0.80***
D5 0.618c (0.580, 0.657) -0.212c (-0.246, -0.178) 0.70***
Stipa grandis All 1.131 (1.062, 1.205) 0.371 (0.304, 0.439) 0.60***
D1 1.139b (0.780, 1.662) 0.487b (0.117, 0.857) 0.70***
D2 1.733a (1.417, 2.12) 0.756a (0.506, 1.006) 0.58***
D3 1.080b (0.970, 1.202) 0.273d (0.169, 0.377) 0.75***
D4 1.180b (1.027, 1.357) 0.412c (0.271, 0.553) 0.57***
D5 1.102b (0.981, 1.239) 0.371c (0.234, 0.508) 0.45***