University of California Press

Table 3

Correlation coefficients between biomarkers in sea ice, suspended and sinking POM. DOI: https://doi.org/10.1525/elementa.377.t3

Sample type

Factor

Chlorophyll a

IP₂₅

HBI IIa

HBI IIb

HBI III

Sea ice POM

Chlorophyll α

1.00

–^b

–

IP₂₅

0.60*^a

1.00

–

HBI IIa

0.79*

0.87*

1.00

–

HBI IIb

n/a^c

0.45*

0.48*

1.00

–

HBI III

0.40*

0.44*

0.50*

0.93*

1.00

HBI IV

0.36*

0.43*

0.48*

0.93*

0.90*

Suspended POM

Chlorophyll α

1.00

–

IP₂₅

0.16

1.00

–

HBI IIa

0.16*

n/a

1.00

–

HBI IIb

n/a

1.00

–

HBI III

n/a

1.00

HBI IV

n/a

Sinking POM

Chlorophyll α

1.00

–

IP₂₅

0.18

1.00

–

HBI IIa

0.10

0.95*

1.00

–

HBI IIb

n/a

0.49*

0.27*

1.00

–

HBI III

0.12

0.57*

0.41*

0.77*

1.00

HBI IV

–0.063

0.64*

0.47*

0.86*

0.80*

Sample type	Factor	Chlorophyll a	IP₂₅	HBI IIa	HBI IIb	HBI III

Sea ice POM	Chlorophyll α	1.00	–^b	–	–	–
	IP₂₅	0.60*^a	1.00	–	–	–
	HBI IIa	0.79*	0.87*	1.00	–	–
	HBI IIb	n/a^c	0.45*	0.48*	1.00	–
	HBI III	0.40*	0.44*	0.50*	0.93*	1.00
	HBI IV	0.36*	0.43*	0.48*	0.93*	0.90*
Suspended POM	Chlorophyll α	1.00	–	–	–	–
	IP₂₅	0.16	1.00	–	–	–
	HBI IIa	0.16*	n/a	1.00	–	–
	HBI IIb	n/a	n/a	n/a	1.00	–
	HBI III	n/a	n/a	n/a	n/a	1.00
	HBI IV	n/a	n/a	n/a	n/a	n/a
Sinking POM	Chlorophyll α	1.00	–	–	–	–
	IP₂₅	0.18	1.00	–	–	–
	HBI IIa	0.10	0.95*	1.00	–	–
	HBI IIb	n/a	0.49*	0.27*	1.00	–
	HBI III	0.12	0.57*	0.41*	0.77*	1.00
	HBI IV	–0.063	0.64*	0.47*	0.86*	0.80*

^a Asterisk indicates significant correlation: p < 0.05.

^b Repetition of value.

^c Not applicable.

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