Geographic location and phylogeny are the main determinants of the size of the geographical range in aquatic beetles

Table 3 PVR coefficients

Lineage	Size	maxLon	minLon	maxLat	minLat	LonC	LatC	avB	nB
Ilybius	0.843**	0.983**	1.000**	0.719**	0.651**	0.862**	0.222	0.103	0.904**
Deronectes	0.148	0.981**	0.343*	0.329*	0.470**	0.953**	0.462*	0.211*	0.160*
Enicocerus	0.475*	0.401	0.425	0.858**	0.413	0.507*	0.640*	0.316	0.301
Limnebius	0.457*	0.968**	0.766*	0.936**	0.681*	0.932**	0.458*	1.000**	0.358
H. gracilis	0.581*	0.990**	0.558*	0.601*	0.367*	0.256	0.786**	0.236	0.564*
H. dentipes	0.668**	0.950**	0.948**	0.631**	0.206**	0.946**	0.389**	0.883**	0.391*
Phothydraena	0.550*	0.743*	0.599*	0.344	0.480*	0.984**	0.870**	0.411*	0.537*
Graptodytes	0.567*	0.897*	0.644**	0.427*	0.185	0.687**	0.975**	0.492**	0.702*
Hydroporus	0.943**	0.737**	0.910**	0.979**	0.688**	0.709**	0.747**	0.852**	0.402*
Hydrochus	0.489	0.371*	0.987**	0.208	0.238	0.822**	0.415*	0.236	0.270

Coefficients of determination of Phylogenetic Eigenvector Regression (PVR) models for the different lineages studied. Variable codes as in Table 2. Size, range size (log-transformed). Models with significant P-values are indicated with asterisks: * P < 0.05; ** P < 0.005 (Bonferroni critical value for ten tests).

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