In situ measurement of salinity during seaward migration of Atlantic salmon post-smolts using acoustic transmitters with data-storage capabilities and conventional acoustic transmitters

Table 1 Information of the Atlantic salmon smolts tagged with conventional sensor Transmitters (ID 1-5) and data-storage transmitters (ID 6-20)

Fish ID	Total length (mm)	Body mass (g)	Tagging date	Release date	Last detection date	Last detection site	Tag freq. (kHz)
1	328	330	9 May	11 May	–	–	60
2	303	277	9 May	12 May	–	–	72
3	297	234	9 May	12 May	–	–	75
4	301	267	9 May	13 May	–	–	66
5	312	276	9 May	13 May	–	–	63
6	264	183	10 May	11 May	N	N	69
7	294	218	10 May	11 May	18 May	6	69
8	272	201	10 May	12 May	17 May	6	69
9	286	229	10 May	12 May	14 May	4	69
10	290	239	10 May	12 May	13 May	5	69
11	294	227	10 May	12 May	13 May	2	69
12	292	236	10 May	12 May	13 May	6	69
13	285	213	10 May	12 May	13 May	5	69
14	292	246	10 May	13 May	N	N	69
15	275	229	10 May	13 May	18 May	6	69
16	280	214	10 May	13 May	14 May	2	69
17	287	220	10 May	13 May	15 May	6	69
18	296	228	10 May	13 May	N	N	69
19	302	262	10 May	13 May	16 May	6	69
20	287	241	10 May	13 May	14 May	1	69

ISSN: 2050-3385