EFFECTS OF TAGGING ON MIGRATION BEHAVIOR, SURVIVAL AND GROWTH OF HATCHERY-REARED ATLANTIC SALMON SMOLTS - AN EXPERIMENTAL STUDY

被引：0
|
作者：
Huusko, Riina [1 ,2 ]
Huusko, Ari [3 ]
Maki-Petays, Aki [4 ]
Orell, Panu [4 ]
Erkinaro, Jaakko [4 ]
机构：
[1] Univ Oulu, Nat Resources Inst Finland Luke, POB 413, FI-90014 Oulu, Finland
[2] Univ Oulu, Dept Biol, POB 413, FI-90014 Oulu, Finland
[3] Nat Resources Inst Finland Luke, Manamansalontie 90, FI-88300 Paltamo, Finland
[4] Nat Resources Inst Luke, POB 413, FI-90014 Oulu, Finland
来源：
11TH INTERNATIONAL SYMPOSIUM ON ECOHYDRAULICS | 2016年
关键词：
SALAR;
D O I：
暂无
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
We examined the effects of four different tagging methods (PIT, anchor T-tag, Carlin tag, and dummy radio transmitter) on the survival, behavior and growth of salmon smolts during their downstream migration in seminatural circular channels during a natural migration period in spring 2013. Survival of smolt was high and tagging wounds healed well in all tagging groups. Tag loss rates were generally low, but highest in the dummy radio transmitter group (2.5%). Length and weight of the tagged and untagged smolts did not differ at the end of the experiment. Smolts tagged with Carlin tag started their migration later than PIT-tagged fish. Additionally, smolts with Carlin tag or dummy radio transmitter showed less overall migration activity than fish with PIT tag. The results supported the perception that tagging by different tag types affected salmon smolt migration and performance rather similarly during the period of migration with no prominent negative consequences.
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页数：4
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