Ni = Nickel																																																					
NA = not applicable																																																					
HC5 = hazardous concentration affecting 5 % of the species in a community																																																					
HC50 = hazardous concentration affecting 50 % of the species in a community																																																					
																																																					
																																																					
																																																					
Day after start experiment	Treatment	Replicate	Daphnia longispina 	Simocephalus vetulus 	Chydorus sphaericus 	Alonella nana 	Alona quadrangularis 	Alona rectangula 	Alona costata 	Alona guttata 	Acroperus harpae	Camptocercus rectirostris	Graptoleberis testudinaria	Cyclopoida sp.	Nauplius	Lecane group luna 	Lecane group lunaris 	Lepadella patella 	Trichotria pocillum 	Group AsplaNAha/Testidunela sp.	Difflugia (geschaalde amoebe)	Spiegelei (geschaalde amoebe)	Anuraeopsis fissa 	Trichocerca bicristata 	Trichocera porcellus 	Trichocera pusilla 	Trichocerca sp.	Trichocerca group similis 	Ascomorpha saltans 	Notommata sp. 	Colurella uNAinata	Colurella sp	Chaetonotus sp. 	Cephalodella gibba 	Cephalodella sp. 	Scaridium longocaudum	Bosmina longirostris	Lophocharis sp.	Ascomorpha saltans	Monommata longiseta 	Proales sp. 	Ptygerra sp. 	Mytilina ventralis 	Dissotrocha sp.	Iliocryptus acutifrons	Hexarthra sp	Ostracauda sp. Type 2	Rotifer sp.	Squatinella rostrum	Squatinella longispinata	Trichocerca longiseta 	Alonella exigua	Ostracauda sp. Type 1
NA	NA	NA	number of organisms/L	number of organisms/L	number of organisms/L	number of organisms/L	number of organisms/L	number of organisms/L	number of organisms/L	number of organisms/L	number of organisms/L	number of organisms/L	number of organisms/L	number of organisms/L	number of organisms/L	number of organisms/L	number of organisms/L	number of organisms/L	number of organisms/L	number of organisms/L	number of organisms/L	number of organisms/L	number of organisms/L	number of organisms/L	number of organisms/L	number of organisms/L	number of organisms/L	number of organisms/L	number of organisms/L	number of organisms/L	number of organisms/L	number of organisms/L	number of organisms/L	number of organisms/L	number of organisms/L	number of organisms/L	number of organisms/L	number of organisms/L	number of organisms/L	number of organisms/L	number of organisms/L	number of organisms/L	number of organisms/L	number of organisms/L	number of organisms/L	number of organisms/L	number of organisms/L	number of organisms/L	number of organisms/L	number of organisms/L	number of organisms/L	number of organisms/L	number of organisms/L
-1	Control	a	78	65	2	2	2	3	0	0	0	0	0	23	408	2	10	55	55	13	23	0	45	0	0	0	0	0	0	2	5	0	0	7	0	0	0	0	0	0	0	0	0	2	0	0	0	0	0	0	2	0	0
-1	Control	b	62	72	7	2	2	2	0	0	0	0	0	15	330	2	8	78	18	38	38	0	7	0	2	0	0	0	0	2	5	0	0	0	0	0	0	0	0	0	0	0	2	2	0	0	0	0	0	0	0	0	0
-1	Control	c	63	103	0	10	0	3	0	0	0	0	0	13	395	0	10	112	10	12	30	0	27	0	2	0	0	0	0	3	12	0	0	10	0	0	0	0	0	0	0	0	0	2	0	0	0	0	0	0	0	0	0
-1	Control	d	75	52	7	0	2	0	0	0	3	0	0	17	417	2	15	203	17	30	53	0	18	0	2	0	0	5	0	2	12	0	0	10	0	0	0	0	0	0	0	0	0	0	0	0	0	0	3	0	2	0	0
-1	Ni HC5	a	43	42	8	0	3	0	0	0	0	0	0	20	187	2	7	27	2	12	18	0	12	0	0	0	0	0	0	0	10	0	7	10	0	0	0	0	0	0	0	0	0	0	0	2	0	0	0	0	0	0	0
-1	Ni HC5	b	75	52	7	0	2	0	0	0	3	0	0	17	417	2	15	203	17	30	53	0	18	0	2	0	0	5	0	2	12	0	0	10	0	0	0	0	0	0	0	0	0	0	0	0	0	0	3	0	2	0	0
-1	Ni HC5	c	125	52	7	3	0	2	0	0	0	0	0	28	410	10	3	57	17	10	15	0	65	0	0	0	0	0	0	0	0	0	0	7	0	0	0	0	0	0	0	0	2	0	0	0	0	0	2	0	0	0	0
-1	Ni HC50	a	62	72	7	2	2	2	0	0	0	0	0	15	330	2	8	78	18	38	38	0	7	0	2	0	0	0	0	2	5	0	0	0	0	0	0	0	0	0	0	0	2	2	0	0	0	0	0	0	0	0	0
-1	Ni HC50	b	78	65	2	2	2	3	0	0	0	0	0	23	408	2	10	55	55	13	23	0	45	0	0	0	0	0	0	2	5	0	0	7	0	0	0	0	0	0	0	0	0	2	0	0	0	0	0	0	2	0	0
-1	Ni HC50	c	165	87	10	13	3	3	0	0	2	0	2	25	647	10	28	530	30	23	102	2	35	0	2	0	0	2	0	2	7	0	2	10	0	0	0	0	0	0	0	0	2	0	0	0	0	0	3	0	0	0	0
14	Control	a	85	35	37	3	20	22	0	3	2	0	0	10	305	7	122	32	0	32	17	40	0	0	0	0	0	5	0	0	0	0	0	3	0	0	0	0	0	0	0	0	0	0	0	0	5	0	0	0	0	0	0
14	Control	b	50	10	110	85	50	63	0	17	8	0	0	42	397	30	407	57	2	17	73	2	0	0	0	0	0	8	2	5	2	0	2	3	0	0	0	0	0	0	0	0	2	7	0	0	13	0	0	0	0	0	0
14	Control	c	82	7	33	38	18	23	0	5	3	0	0	62	295	70	507	68	2	12	47	62	0	0	0	0	0	17	0	3	8	0	0	2	0	0	0	0	0	0	0	0	3	2	0	0	3	8	0	0	0	0	0
14	Control	d	12	10	92	45	17	48	0	8	2	0	0	23	318	117	725	90	87	5	60	32	2	0	0	0	0	12	0	2	10	0	0	5	0	0	0	0	0	0	0	0	7	7	0	0	3	3	0	0	0	0	0
14	Ni HC5	a	80	42	0	5	13	22	0	5	2	0	0	28	213	13	115	55	5	35	13	5	0	0	0	0	0	0	2	0	0	0	2	2	2	0	0	0	0	0	0	0	7	0	0	0	0	0	0	0	0	0	0
14	Ni HC5	b	38	43	115	30	17	18	0	33	10	0	0	55	543	18	143	55	0	8	5	13	0	0	0	0	0	7	0	2	3	0	0	2	0	0	0	0	0	0	0	0	3	3	0	0	5	0	0	0	0	0	0
14	Ni HC5	c	100	37	53	17	13	18	0	7	33	0	0	13	232	17	148	35	0	27	62	2	0	0	0	0	0	0	0	0	0	0	0	2	0	0	0	0	0	0	0	0	0	7	0	0	7	0	0	0	0	0	0
14	Ni HC50	a	133	75	162	22	25	23	0	5	8	0	0	23	397	55	157	37	0	23	22	20	0	0	0	0	0	2	0	0	2	0	2	3	0	0	0	0	0	0	0	0	2	2	0	0	10	0	0	0	0	0	0
14	Ni HC50	b	45	30	132	15	17	35	0	7	7	0	0	62	690	33	340	112	2	27	133	5	5	0	0	0	0	3	0	8	5	0	0	5	0	0	0	0	0	0	0	0	3	0	0	0	27	0	0	0	0	0	0
14	Ni HC50	c	90	60	37	5	12	7	0	5	2	0	0	28	300	115	668	163	5	22	197	7	3	0	0	0	2	5	0	0	12	0	10	7	3	0	0	0	0	0	0	0	0	2	0	0	10	2	0	0	0	0	0
28	Control	a	35	7	18	13	12	23	0	0	3	0	2	57	643	102	57	8	5	50	52	42	2	0	0	0	0	2	0	5	2	0	0	2	0	0	0	0	0	0	0	0	18	2	0	0	3	0	0	0	0	0	0
28	Control	b	8	10	23	30	3	15	0	0	2	0	2	102	470	95	75	10	7	37	75	48	7	0	0	0	0	5	0	2	2	0	2	3	0	0	0	0	0	0	0	0	17	3	0	0	3	2	0	0	0	0	0
28	Control	c	87	3	7	2	13	17	0	0	2	0	0	58	265	78	142	10	0	50	32	22	0	0	0	0	0	5	2	5	0	0	0	3	0	0	0	0	0	0	0	0	3	5	0	0	0	0	0	0	0	0	0
28	Control	d	10	2	45	35	15	27	0	2	3	0	0	55	407	198	157	7	23	13	42	38	3	0	0	0	0	5	0	2	0	0	3	3	0	0	0	0	0	0	0	0	25	7	0	0	5	0	0	0	0	0	0
28	Ni HC5	a	17	2	2	2	8	5	0	0	3	0	0	63	123	78	77	20	7	5	40	15	0	0	0	0	0	0	0	3	0	0	3	0	0	0	0	0	0	0	0	0	8	0	0	0	0	2	0	0	0	0	0
28	Ni HC5	b	5	10	12	5	7	13	0	0	0	0	0	130	215	43	47	2	0	3	17	17	0	0	0	0	0	0	0	2	2	0	0	0	0	0	0	0	0	0	0	0	7	0	0	0	0	0	0	0	0	0	0
28	Ni HC5	c	73	15	7	3	3	8	0	0	23	0	0	37	378	72	18	5	0	3	50	8	0	0	0	0	0	0	0	0	0	0	0	3	0	0	0	0	0	0	0	0	2	5	0	0	2	0	0	0	0	0	0
28	Ni HC50	a	105	22	63	3	8	3	0	0	12	0	2	137	1338	87	70	7	2	5	108	103	0	0	0	0	0	2	0	2	0	0	0	5	0	0	0	0	0	0	0	0	22	3	0	0	2	0	0	0	0	0	0
28	Ni HC50	b	20	7	35	5	13	15	0	2	2	0	0	267	1087	195	82	13	0	63	172	83	3	0	0	0	0	0	0	3	0	0	0	5	0	0	0	0	0	0	0	0	5	2	0	0	3	0	0	0	0	0	0
28	Ni HC50	c	92	20	17	2	5	17	0	0	2	0	0	70	540	123	62	3	0	243	267	63	2	0	0	0	0	2	0	10	0	0	2	12	0	0	0	0	0	0	0	0	3	0	0	0	0	0	0	0	0	0	0
42	Control	a	13	2	0	0	2	0	0	0	3	0	0	72	572	40	42	20	0	22	22	18	0	0	0	0	0	0	0	0	3	0	0	0	0	0	0	0	0	0	0	0	5	0	0	0	0	0	0	0	0	0	0
42	Control	b	15	5	15	30	2	13	0	3	5	0	5	100	803	188	120	53	3	53	117	37	2	0	0	0	0	3	0	8	8	0	5	7	0	0	0	0	0	0	0	0	20	20	0	0	0	0	0	0	0	2	0
42	Control	c	100	12	10	17	0	3	0	2	0	0	2	63	608	297	225	173	0	33	87	20	0	0	0	0	0	0	2	20	3	0	3	8	0	0	0	0	0	0	0	0	15	7	0	0	0	0	0	0	0	0	0
42	Control	d	27	3	2	45	2	2	0	0	2	0	3	127	455	457	178	115	3	13	60	38	2	0	0	0	0	2	0	5	0	0	2	15	0	0	0	0	0	0	0	0	10	7	0	0	0	2	0	0	0	0	0
42	Ni HC5	a	2	0	0	5	7	13	0	5	13	0	0	40	198	188	32	53	17	68	97	15	0	0	0	0	0	0	3	5	0	0	0	8	0	0	0	0	0	0	0	0	32	0	0	0	0	0	0	0	0	0	0
42	Ni HC5	b	18	17	18	12	5	13	0	2	5	0	0	65	188	170	38	65	10	25	38	15	0	0	0	0	0	0	3	0	0	0	10	5	0	0	0	0	0	0	0	0	15	3	0	0	0	0	2	0	0	2	0
42	Ni HC5	c	80	3	8	5	3	5	0	2	13	0	3	40	605	148	33	60	0	32	58	22	0	2	0	0	0	2	0	2	0	0	0	7	0	0	0	0	0	0	0	0	23	0	0	0	0	0	0	0	8	0	0
42	Ni HC50	a	25	2	3	7	5	2	0	2	0	0	2	32	617	47	32	25	0	0	53	17	2	0	0	0	0	0	0	0	0	0	0	2	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
42	Ni HC50	b	35	5	2	0	2	0	0	0	2	0	3	123	965	318	90	57	0	3	737	195	2	2	0	0	0	0	0	3	0	0	0	88	0	0	0	0	0	0	0	0	7	10	0	0	0	0	0	0	0	0	0
42	Ni HC50	c	58	10	0	2	8	13	0	0	0	0	0	70	1137	63	20	18	0	0	390	42	2	0	0	0	0	0	2	3	3	0	0	13	0	0	0	0	0	2	0	0	2	0	0	0	0	0	0	0	0	0	0
56	Control	a	2	15	2	0	2	2	0	8	7	0	0	37	273	12	40	93	0	5	97	2	0	0	0	0	0	0	5	0	12	0	0	3	3	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
56	Control	b	10	57	12	28	2	8	0	18	27	0	7	87	625	78	68	185	3	22	240	3	0	0	0	0	0	0	8	2	7	0	0	13	0	0	0	0	0	0	0	0	2	38	0	0	0	0	0	0	0	0	0
56	Control	c	13	98	32	87	8	7	0	30	47	0	5	298	1382	303	243	652	5	57	538	13	2	2	0	0	0	2	23	3	15	0	15	18	0	0	0	0	0	0	0	0	8	68	0	0	0	0	0	0	0	0	0
56	Control	d	0	8	3	113	3	8	0	38	7	0	2	100	308	277	100	292	0	10	173	18	0	0	0	0	0	2	2	0	5	0	2	20	13	0	0	0	0	0	0	0	2	110	0	0	0	0	0	0	0	0	0
56	Ni HC5	a	0	0	0	7	2	2	0	2	2	0	0	25	78	3	5	5	2	20	62	7	5	0	0	0	0	2	0	0	0	0	3	0	3	0	0	0	0	0	0	0	3	0	0	0	0	0	0	0	0	0	0
56	Ni HC5	b	8	13	7	50	22	7	0	23	8	0	2	153	267	78	108	385	8	47	127	8	2	0	0	0	0	0	0	7	22	0	60	5	2	0	0	0	0	0	0	0	10	25	0	0	0	2	2	0	0	3	0
56	Ni HC5	c	52	10	3	0	0	2	0	2	0	0	0	13	382	8	18	143	0	0	35	7	2	0	0	0	0	2	0	45	8	0	2	0	0	0	0	0	0	0	0	0	0	5	0	0	0	0	0	0	5	0	0
56	Ni HC50	a	67	8	0	2	0	5	0	5	0	0	0	60	1938	130	135	127	0	0	1627	7	0	0	0	0	0	0	0	5	5	0	2	8	0	0	0	0	0	0	0	0	0	5	0	0	0	0	0	0	7	0	0
56	Ni HC50	b	2	0	0	7	0	0	0	2	0	0	0	147	380	78	278	1158	0	0	1195	270	3	0	12	0	0	0	7	10	12	0	0	123	0	0	0	0	0	0	0	0	2	17	0	0	2	0	0	0	0	0	0
56	Ni HC50	c	68	7	0	0	10	15	0	8	0	0	0	53	1540	43	68	18	0	3	1300	48	2	0	0	0	0	0	0	0	68	0	0	37	0	0	0	0	0	0	0	0	0	3	0	0	0	0	2	0	0	0	0