The prevalence of Caenorhabditis elegans across 1.5 years in selected North German locations: the importance of substrate type, abiotic parameters, and Caenorhabditis competitors

Table 6 Correlations between mean proportion of C. remanei -containing samples and abiotic factors

Location	Substrate	Correlating abiotic factor	*Rho* ^a	N	P ^b
Kiel	Apple	Temperature	−0.1394	17	0.5936
		pH	−0.1727		0.5073
		Humidity	0.6179		0.0082*
		Rain	−0.3702		0.1436
Kiel	Compost	Temperature	0.1869	17	0.4726
		pH	−0.1072		0.6822
		Humidity	0.0069		0.9791
		Rain	0.1580		0.5447
Münster	Apple	Temperature	−0.4265	9	0.2523
		pH	0.0783		0.8412
		Humidity	0.3917		0.2972
		Rain	−0.5919		0.0932
Münster	Compost	Temperature	0.1531	17	0.5575
		pH	−0.4082		0.1038
		Humidity	0.4085		0.1035
		Rain	0.0510		0.8458
Roxel	Compost	Temperature	−0.1937	17	0.4563
		pH	−0.1365		0.6013
		Humidity	−0.1882		0.4695
		Rain	−0.2491		0.3350

^aCorrelations were assessed with a non-parametric Spearman's rank test.
^bSignificance levels were corrected for multiple comparisons using the false discovery rate; the resulting significant correlations at α < 0.05 are given in bold and indicated by an asterisk.

ISSN: 1472-6785