Rheophilic fish in oxbow lakes of the Warta River – the effect of environmental conditions on habitat selection

Figures & Tables

Experimental factor	DF	Analyzed traits
		Number of species		Number of specimens		Mass		Mean individual mass
		F	p	F	p	F	p	F	p
Oxbow lake	5	3.80	0.0075	3.68	0.0088	4.98	0.0015	9.04	0.0001
Season	2	6.02	0.0057	0.65	0.5297	1.65	0.2075	2.79	0.0754
Oxbow lake × Season interaction	10	5.49	0.0001	1.61	0.1454	1.53	0.1712	7.92	0.0001

No	Species	SW	M	TR	TM	T	SC	C [%]	Reproductive guilds, contribution (D%)
1	*Leuciscus cephalus*	0	+	+	+	0	+	17	Lithophils, 2.1
2	*Aspius aspius*	+	+	0	+	+	+	44
3	*Vimba vimba*	0	0	0	+	0	0	4
4	*Chondrostoma nasus*	0	+	0	0	0	0	2
5	*Leuciscus leuciscus*	0	0	+	0	+	0	7	Phyto-lithophils, 85.2
6	*Leuciscus idus*	+	+	+	+	+	+	67
7	Blicca bjoerkna	+	+	+	+	+	+	89
8	Perca fluviatilis	+	+	+	+	+	+	96
9	Gymnocephalus cernuus	0	+	+	0	0	+	20
10	Rutilus rutilus	+	+	+	+	+	+	96
11	Alburnus alburnus	0	+	+	+	+	+	46
12	Abramis brama	+	+	+	+	+	+	85
13	*Abramis ballerus*	0	0	0	+	0	+	17
14	Esox lucius	+	+	+	+	+	+	96	Phytophils, 12.1
15	Scardinius erythrophthalmus	0	+	+	+	+	+	65
16	Tinca tinca	+	+	+	+	+	+	80
17	Carassius carassius	0	+	+	0	+	+	30
18	Carassius gibelio	0	+	+	0	+	+	43
19	Cyprinus carpio	0	0	+	0	0	0	2
20	Misgurnus fossilis	0	+	+	0	0	+	6
21	Cobitis taenia	+	+	+	+	+	+	41
22	Silurus glanis	+	+	0	+	0	0	6
23	Stizostedion lucioperca	+	+	0	+	+	+	19
24	Gobio gobio	+	0	0	0	0	0	2	Psammophils, 0.1
25	Lota lota	+	+	0	0	0	0	9	Litho-pelagophils, 0.3
26	Rhodeus sericeus	0	0	+	0	0	0	9	Ostracophils, 0.2
	Number of species	13	20	18	16	15	18

Oxbow lake	Km	Area (ha)	Maximum length/width (m)	Max depth (m)	Bottom substrate (%)	Submerged vegetation	Surroundings (%)
Święte (SW)	409	1.5	570/40	2.5	90S; 10M	+	60M; 40SH
Madałowe (M)	359	2.6	620/50	3.5	70M; 20S; 10G	++	90M; 10F
Tarnowa (TR)	348	1.0	320/60	2.5	60S; 40M	+++	60M; 40SH
Trzykolne Młyny (TM)	278	0.9	280/35	2.0	80M; 20S	+++	70M; 30SH
Tuchoń (T)	278	4.7	1170/90	5.0	50S; 50M	++	70F; 30M
Święconka (SC)	277	6.0	970/130	4.5	80S; 10G; 10M	+++	40B; 60M