Table 2.

Summary of regression analysis of C. brevicuspis, M. sacchariflorus, and P. hydropiper community traits (species richness, density, biomass, and Shannon index of diversity) from 2011 to 2019.

Time	Type	Traits	K1	K2	R2	F
Before flooding	Polygonum	SR	0.029*	−0.224*	0.6413	10.6*
		D	–	−0.097*	0.5359	6.928*
After flooding	Carex	SW	–	−0.032*	0.4593	5.946*
	Miscanthus	D	–	−0.135*	0.4588	5.934*
		SW	–	0.06*	0.4825	5.593*

Asterisks denote significant levels

^*p < 0.05.

SR, species richness; SW, Shannon index of diversity; D, density; and B, biomass; K₁, quadratic coefficient; K₂, first-order coefficient.