34 years of investigation in the Rhine River at Ludwigshafen, Germany – trends in Rhine fish populations

Environmental Sciences Europe

Table 1 Species list and relative abundance of fish found during each of the four sampling periods at the BASF site at Ludwigshafen am Rhein

Fish species and cyclostomes		Conservation status Germany	Conservation status Rhineland-Palatinate	Frequency of occurrence [%]
Common name	Scientific name			1976-1980 (n=9)	1981-1990 (n=10)	1991-2000 (n=6)	2001-2010 (n=4)
Asp¹	Aspius aspius	-	2	0	20	100	100
Barbel¹	Barbus barbus	2	2	0	10	83	100
Bighead goby²	Neogobius kessleri	-	-	0	0	0	25
Bleak	Alburnus alburnus	-	-	78	100	67	75
Bream	Abramis brama	-	-	100	100	100	50
Brown trout	Salmo trutta fario	-	2	33	10	17	0
Burbot	Lota lota	2	2	0	20	34	0
Carp¹	Cyprinus carpio	2	-	11	20	34	75
Catfish¹	Silurus glanis	2	3	0	40	100	100
Chub¹	Squalius cephalus	-	-	33	90	100	100
Dace	Leuciscus leuciscus	3	-	0	10	0	75
Eurasian ruffe¹	Gymnocephalus cernua	-	-	0	40	83	100
European brook lamprey	Lampetra planeri	2	2	0	0	0	50
European bullhead	Cottus gobio	2	2	0	0	0	25
European eel	Anguilla anguilla	3	4	100	100	100	100
European perch	Perca fluviatilis	-	-	100	100	100	100
Gudgeon	Gobio gobio	-	3	11	60	50	50
Nase¹	Chondrostoma nasus	2	2	11	10	34	75
Pike^{3, 4}	Esox lucius	3	2	78	60	34	25
Pikeperch²	Sander lucioperca	-	4	56	60	67	75
Prussian carp, gibel carp	Carassius gibelio	-	-	0	20	0	0
Roach	Rutilus rutilus	-	-	100	100	100	100
Round gobi²	Neogobius melanostomus	-	-	0	0	0	25
Rudd	Scardinius erythrophthalmus	-	4	100	100	100	100
Sea trout	Salmo trutta trutta	2	1	33	10	17	0
Silver bream	Blicca bjoerkna	-	-	0	0	0	25
Spined loach	Cobitis taenia	2	2	0	0	17	0
Spirlin	Alburnoides bipunctatus	2	2	0	0	0	25
Sunfish^{2, 3}	Lepomis gibbosus	-	-	0	0	50	25
Tench	Tinca tinca	-	-	33	30	0	0
Tubenose goby²	Proterorhinus marmoratus	-	-	0	0	0	25