An alarming picture of larval fish assemblages entrained into the cooling system of the Kozienice Power Plant (Poland) revealed by DNA metabarcoding | Knowledge and Management of Aquatic Ecosystems

Anthropogenic impact on freshwater habitats, communities and ecosystem functioning

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Table 2

Estimates of ELH densities drifting in the Vistula River upstream and downstream of the Kozienice Power Plant and total numbers of ELH entrained into its cooling system in spring and summer 2022 (minimum, maximum, and mean estimates based upon various representativeness of stationary bank samples).

No.	Scientific name	Vernacular name	Upstream (ind. m⁻³)	Downstream (ind. m⁻³)	Entrainment (ind.)
					min	max	mean
1	Abramis brama	Common bream	0.100	0.053	557,704	1,097,979	783,268
2	Alburnoides bipunctatus	Spirlin	0.006	0	13,732	27,034	20,943
3	Alburnus alburnus	Bleak	0.044	0.004	300,122	590,866	379,878
4	Ballerus sapa	Big-eye bram	0.057	0	129,411	254,778	197,375
5	Barbatula barbatula	Stone loach	0.005	0	10,819	21,300	16,501
6	Barbus barbus	Barbel	0.005	0	25,970	51,129	37,128
7	Blicca bjoerkna	White bream	0.096	0	751,945	1,480,393	965,080
8	Carassius gibelio	Giebel carp	0.003	0	6,061	11,932	7,545
9	Chondrostoma nasus	Nase	0.012	0	34,406	67,736	71,010
10	Cyprinus carpio	Common carp	0.007	0	23,304	45,880	44,746
11	Gobio gobio	Common gudgeon	0.057	0.018	318,136	626,330	393,965
12	Leuciscus aspius	Asp	0.671	0	2,882,482	5,674,886	6,062,072
13	Leuciscus idus	Ide	0.018	0	78,247	154,049	172,113
14	Leuciscus leuciscus	Dace	0.002	0	6,108	12,026	13,934
15	Neogobius fluviatilis	Monkey goby	2.405	0.200	17,557,817	34,566,952	21,219,709
16	Perca fluviatilis	Perch	< 0.001	0	1,237	2,436	2,822
17	Proterorhinus semilunaris	Western tubenose goby	7.061	0.422	50,244,638	98,919,131	67,074,011
18	Rhodeus amarus	Bitterling	0.539	0	3,179,783	6,260,197	4,108,567
19	Romanogobio belingi	Northern whitefin gudgeon	0.007	0	21,383	42,098	24,005
20	Rutilus rutilus	Roach	0.107	0	429,631	845,836	690,424
21	Sander lucioperca	Sander	< 0.001	< 0.001	1,160	2,283	2,646
22	Scardinius erythrophthalmus	Rudd	0.002	0	4,284	8,435	4,285
23	Squalius cephalus	Chub	0.004	0	16,739	32,954	23,469
Total:					76,595,118	150,796,639	102,315,495

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