. 2012 Feb;78(3):695–704. doi: 10.1128/AEM.06330-11

Table 5.

Pearson correlation coefficient and significance of correlation between chiA gene copy number, chitinase activity, and biogeochemical data for water and sediment samples of LB and LZ

Parameter	Correlated with:	Pearson correlation coefficient (r²)
Parameter	Correlated with:	LB May 2009	LB September 2009	LZ March 2009	LZ October 2009
Water
GlcN (nmol liter⁻¹)	Chitinase gene copy no. (chiA copies liter⁻¹)	0.72^b	0.64^b
Sediment
Chitinase activity at 4°C (nmol MUF h⁻¹ g⁻¹ dry wt)	Chitinase gene copy no. (chiA copies mg dry wt⁻¹)		0.96^b		0.86^b
GlcN (nmol g dry wt⁻¹)		0.85^a	0.73^a	0.22	0.86^b
TOC (% dry wt)		0.48	0.79^b	0.14	0.60^a
TN (% dry wt)		0.21	0.68^a	0.20	0.52
GlcN (nmol g dry wt⁻¹)	Chitinase activity at 4°C (nmol MUF h⁻¹ g dry wt⁻¹)		0.82^b		0.72^a
TOC (% dry wt)			0.91^b		0.63^a
TN (% dry wt)			0.84^b		0.58^a

P < 0.05.

P < 0.01.