Numerical Response of Migratory Shorebirds to Prey Distribution in a Large Temperate Arid Wetland, China

Table 4

Correlation coefficients of environmental variables with the first two axes of canonical correspondence analysis.

Environmental variable	Axis
	1	2
pH	−0.58418	−0.81162
Water temperature	0.31746
Salinity	−0.29459
Total phosphorus	0.20732
P	0.63746	0.77048
Cu	−0.60334

Significance at and .