Fig. 1

Sampled lakes and reservoirs distribution in mainland of China. (a) Lakes distribution and sampled lakes in China, (b) reservoirs distribution and sampled reservoirs in China. NLR, northeast limnetic region; ELR, East China limnetic region; MXR, Mengxin limnetic region; YGR, Yungui limnetic region; TQR, Tibet-Qinghai limnetic region.