Table 1 Pearson’s correlations of OCRs and BCERs to biomass or temperature.

Species	Index		Biomass	Temperature
S. variegata	leaf OCR	CS	−0.252	0.479
	leaf OCR	SS	0.168	0.306
	stem OCR	CS	−0.548	0.894**
	stem OCR	SS	0.085	−0.022
	root OCR	CS	−0.074	0.453
	root OCR	SS	0.061	0.425
	BCER	CS	−0.434	0.296
	BCER	SS	0.221	−0.271
C. camphora	leaf OCR	CC	−0.091	0.591*
	leaf OCR	SC	−0.363	0.026
	stem OCR	CC	−0.47	0.770**
	stem OCR	SC	−0.039	−0.036
	root OCR	CC	−0.488	0.703**
	root OCR	SC	−0.254	−0.366
	BCER	CC	−0.811**	0.537
	BCER	SC	−0.265	−0.462

Biomass in the table indicates the total fresh weight of the total seedling; and temperature indicates the temperature on measuring the certain index. Data in the table indicate the Pearson’s correlation values (r ²). ^*Indicates correlations occurred between OCR and BCER to biomass or temperature according to the Pearson’s correlation test (P < 0.05). ^**Indicates correlations occurred between OCR and BCER to biomass or temperature, according to Pearson’s correlation test (P < 0.01). The abbreviations, CS, SS, CC and CS, indicate the control seedlings of S. variegata, the submerged seedlings of S. variegata, the control seedlings of C. camphora, and the submerged seedlings of C. camphora, respectively.

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