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 5 Correlations between mean proportion of C. elegans -containing samples and abiotic factors

Location	Substrate	Correlating abiotic factor	*Rho* ^a	N	P ^b
Kiel	Compost	Temperature	0.2203	17	0.3955
		pH	−0.1072		0.8328
		Humidity	0.0069		0.8881
		Rain	0.1580		0.0060*
Münster	Apple	Temperature	−0.8416	9	0.0044*
		pH	0.6337		0.0669
		Humidity	0.5446		0.1295
		Rain	0.0594		0.8793
Münster	Compost	Temperature	−0.4596	17	0.0634
		pH	−0.1683		0.5184
		Humidity	0.6296		0.0068*
		Rain	0.1463		0.5753
Roxel	Compost	Temperature	0.1299	17	0.6193
		pH	−0.2845		0.2684
		Humidity	−0.2684		0.2976
		Rain	0.2882		0.2620

^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