Table 2
Summary of climatic suitability and niche overlap for all 10 aquatic plant invaders (APIs) in all 12 freshwater biomes. Numerical data is represented as mean ± SD; D represents Schoener's D for APIs between native and invasive models on both native and invasive ranges; I represents a measure derived from the Hellinger distance and is called I based on both the native and invasive ranges; the biome codes are identical to those in Figure 1. The invasive model is based on the distribution records of invasive ranges and the native model is based on the distribution records of native ranges. Bold values represent significant differences between native and invasive models based on the null model. SD, standard deviation.
| Biome | Native range | Invasive range | D | I | ||
|---|---|---|---|---|---|---|
| Native model | Invasive model | Native model | Invasive model | |||
| 1 | 0.204 ± 0.179 | 0.067 ± 0.059 | 0.026 ± 0.051 | 0.116 ± 0.171 | 0.594 ± 0.182 | 0.835 ± 0.107 |
| 2 | 0.044 ± 0.074 | 0.016 ± 0.024 | 0.000 ± 0.000 | 0.000 ± 0.000 | 0.882 ± 0.187 | 0.958 ± 0.073 |
| 3 | 0.070 ± 0.093 | 0.035 ± 0.035 | 0.088 ± 0.124 | 0.046 ± 0.062 | 0.573 ± 0.256 | 0.810 ± 0.157 |
| 4 | 0.181 ± 0.245 | 0.205 ± 0.205 | 0.117 ± 0.131 | 0.151 ± 0.162 | 0.632 ± 0.189 | 0.858 ± 0.121 |
| 5 | 0.019 ± 0.053 | 0.011 ± 0.027 | 0.024 ± 0.050 | 0.090 ± 0.163 | 0.645 ± 0.172 | 0.855 ± 0.099 |
| 6 | 0.294 ± 0.200 | 0.149 ± 0.117 | 0.115 ± 0.127 | 0.230 ± 0.101 | 0.439 ± 0.127 | 0.733 ± 0.114 |
| 7 | 0.281 ± 0.171 | 0.144 ± 0.145 | 0.051 ± 0.047 | 0.161 ± 0.087 | 0.392 ± 0.123 | 0.698 ± 0.122 |
| 8 | 0.102 ± 0.180 | 0.015 ± 0.030 | 0.027 ± 0.045 | 0.087 ± 0.087 | 0.640 ± 0.169 | 0.864 ± 0.092 |
| 9 | 0.211 ± 0.145 | 0.096 ± 0.065 | 0.128 ± 0.118 | 0.183 ± 0.136 | 0.534 ± 0.129 | 0.810 ± 0.086 |
| 10 | 0.098 ± 0.126 | 0.050 ± 0.062 | 0.059 ± 0.074 | 0.089 ± 0.126 | 0.736 ± 0.205 | 0.907 ± 0.087 |
| 11 | 0.139 ± 0.127 | 0.072 ± 0.063 | 0.081 ± 0.124 | 0.093 ± 0.139 | 0.718 ± 0.176 | 0.913 ± 0.088 |
| 12 | 0.126 ± 0.148 | 0.043 ± 0.053 | 0.011 ± 0.012 | 0.066 ± 0.085 | 0.428 ± 0.112 | 0.730 ± 0.099 |
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