Fig. 2. Growth survey of Prasiola japonica in the native area. (A) Analysis of P. japonica blade length was conducted on 30 individuals of the species in the upstream, midstream, and downstream sections of the Sohan River. Statistical significance was evaluated using the Kruskal–Wallis/Mann–Whitney U test. **p < 0.01 compared to the upstream section. (B) Maturation difference of P. japonica by habitat. Male gamates are indicated in light green, and female gamates are indicated in deep green.
© J Ecol Environ
