Table 2. Fiber dimensions.

Median value and interquartile range (Q₁–Q₃) of fiber length (millimeters) and diameter (micrometers) measured in a subset of fibers (n) extracted from seawater and blank samples.

		Fiber length (mm)		Fiber diameter (μm)
	n	Median	Q1–Q3	Median	Q1–Q3
Mediterranean Sea	336	1.33	0.76–2.03	18.6	15.0–22.9
Indian Ocean	342	1.06	0.65–1.75	16.8	15.0–20.6
Atlantic Ocean	338	1.11	0.71–1.85	15.0	14.9–20.0
Southern Ocean	1000	0.96	0.60–1.55	16.7	15.0–20.0
All	2016	1.07	0.65–1.74	16.7	15.0–20.4
Blanks	161	1.01	0.61–2.01	15.8	14.2–19.9