Table 1. Fiber concentrations.

Median value and interquartile range (Q₁–Q₃) of fiber concentrations (fibers liter⁻¹) found in all oceanic basins and sub-basins sampled during this survey. Both raw and corrected data are shown (n, number of samples collected in each basin).

		Uncorrected		Corrected
	n	Median	Q1–Q3	Median	Q1–Q3
Mediterranean Sea	108	4.2	3.0–6.4	4.6	3.0–7.7
Indian Ocean	304	1.8	0.9–3.2	1.2	0.3–3.0
Atlantic Ocean	241	1.2	0.4–2.1	1.0	0.1–2.2
North	91	0.8	0.2–1.7	0.6	0.0–1.9
South	150	1.5	0.7–2.3	1.3	0.2–2.5
Southern Ocean	263	1.2	0.5–2.5	1.7	0.4–3.5
40–60°S	169	1.1	0.5–2.7	1.6	0.3–3.9
>60°S	94	1.3	0.6–2.2	1.7	0.5–2.9
All	916	1.7	0.7–3.1	1.6	0.4–3.5