Influences of submerged plant collapse on diet composition, breadth, and overlap among four crane species at Poyang Lake, China

Table 1 The density and biomass of Vallisneria tubers at three sublakes (Dahuchi, Shahu, and Changhuchi) of Poyang Lake in the winters of 2017 and 2018

Winter	Sublake	Tuber density (tubers/m²)	Tuber biomass (g/m²)
2017	Dahuchi	9.80	0.97
	Shahu	0.28	0.02
	Changhuchi	9.97	0.62
	Average	6.68	0.54
2018	Dahuchi	6.41	0.65
	Shahu	8.97	0.60
	Changhuchi	88.32	11.07
	Average	34.57	4.11

ISSN: 1742-9994