Slow-moving soil organisms on a water highway: aquatic dispersal and survival potential of Oribatida and Collembola in running water

Table 2 χ²-test (χ² (Pearson) = 153.6 p < 0.01) with individual numbers of oribatids (n) in a certain body size class

		soil	moss	stream	total
< 300 μm	n	3	12	16	31
	expected	6,44	21,48	3,06
	standardized residuals	–1,35	–2,04 *	7,38 ***
300-500 μm	n	237	907	67	1211
	expected	251,75	839,43	119,81
	standardized residuals	–0,92	2.33 *	–4.82 ***
> 500 μm	n	92	188	75	355
	expected	73,80	246,07	35,12
	standardized residuals	2,11 *	–3,70 ***	6,72 ***
	Total	332	1107	158	1597

ISSN: 2051-3933