Table 3. Kruskal-Wallis test and non-parametric Mann-Whitney pairwise post hoc comparisons for all populations.

Ev = Evrotas, Al = Alfios, Pa = Pamissos, Mi = Miras, Significant differences p < 0.01. Acronyms of variables are defined in the Material and Methods section.

Variable	H	P-value	Significant Mann-Whitney pairwise comparisons
SL	25.57	<0.0001	Al-Ev; Al-Pa
HL	78.95	<0.0001	Al-Ev; Al-Pa; Ev-Mi; Ev-Pa
ED	63.72	<0.0001	Al-Ev; Al-Pa; Al-Mi
IW	56.48	<0.0001	Al-Ev; Al-Pa; Al-Mi; Ev-Pa;
PrOL	19.51	0.0002	Al-Ev
PosOL	30.77	<0.0001	Al-Ev; Pa-Ev; Mi-Ev
PrPD	11.38	0.0099	-
PrPP	92.4	<0.0001	Al-Ev; Al-Pa; Al-Mi; Ev-Mi; Pa-Mi
PrPV	86.22	<0.0001	Al-Ev; Al-Pa; Al-Mi; Ev-Mi; Ev-Pa
PrPA	59.86	<0.0001	Ev-Al; Ev-Pa; Ev-Mi
DHF	13.39	0.0039	Al-Ev
DFL	84.98	<0.0001	Ev-Al; Ev-Pa; Ev-Mi; Al-Pa
CPL	16.06	0.0011	Ev-Mi
CFL	46.87	<0.0001	Ev-Al; Ev-Mi
BLD	16.6	0.0009	Ev-Al; Ev-Mi
BD	100.8	<0.0001	Ev-Al; Ev-Pa; Ev-Mi; Al-Pa
APL	21.72	<0.0001	Ev-Mi
AFL	56.89	<0.0001	Al-Ev; Al-Pa; Ev-Mi
AFH	7.91	0.0479	-
VAL	17.37	0.0006	Al-Ev
PVL	4.794	0.1875	-
VFL	10.42	0.0154	Al-Mi
PFL	11.64	0.0087	Mi-Al; Mi-Ev
LL	106.6	<0.0001	Ev-Al; Ev-Pa; Ev-Mi
UTS	74.29	<0.0001	Ev-Al; Ev-Pa; Ev-Mi; Al-Mi
LTS	40.74	<0.0001	Ev-Al; Ev-Pa; Ev-Mi
D	0.5093	0.9169	-
A	19.1	0.0002	Al-Pa; Al-Mi