Imprinting to chemical cues: the basis for home stream selection in salmon
@article{Scholz1976ImprintingTC, title={Imprinting to chemical cues: the basis for home stream selection in salmon}, author={Allan T. Scholz and Ross M. Horrall and Jon C. Cooper and Arthur D. Hasler}, journal={Science}, year={1976}, volume={192}, pages={1247 - 1249} }
Juvenile coho salmon were exposed to morpholine or phenethyl alcohol (p-alcohol) for 1 1/2 months and then released in Lake Michigan. During the spawning migration 18 months later, morpholine and p-alcohol were metered into separate streams, and the number of morpholine- and p-alcohol-exposed fish returning to each stream was determined. Seventeen other locations were also monitored. The majority of the fish exposed to morpholine were captured in the stream scented with morpholine and most fish…
177 Citations
The use of chemical cues in the upstream migration of coho salmon, Oncorhynchus kisutch Walbaum
- Environmental Science
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It is revealed that chemical cues are used by the salmon in their upstream migration and differential responses to current appear to serve in segregating fish imprinted to odours of different home streams.
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The mechanisms underlying all aspects of salmon homing are reviewed but the final, freshwater phase governed by olfactory recognition of homestream water is focused on.
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- Environmental Science, Biology
- 2007
It is proposed that amino acids dissolved in the home stream water were possible home river substances for salmon and were proposed to be imprinted by site-specific odors associated with their home stream and adult salmon utilize these “odor” memories for homing.
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It is found that pink salmon exposed to PEA as alevins were attracted to the chemical as adults, suggesting that imprinting can occur during this stage, providing some of the first evidence to support the long-standing belief that imprinted can occur in pink salmon prior to the parr-smolt transformation (PST).
Timing of imprinting to natura ~ and artificia ’ odors by coho saNmon ( Oncorhynchus kisutch )
- Environmental Science
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Juvenile salmon learn odors associated with their home stream before seaward migration and use these odor memories for homing as adults. Experimental evidence has indicated that this olfactory…
The behavioural homing response of adult chum salmon Oncorhynchus keta to amino-acid profiles.
- Environmental ScienceJournal of fish biology
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Adult chum salmon Oncorhynchus keta homing behaviour in a two-choice test tank (Y-maze) was monitored using a passive integrated transponder (PIT)-tag system in response to river-specific dissolved…
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