Influence of water temperature on gill sodium, potassium-stimulated ATPase activity in juvenile coho salmon (Oncorhynchus kisutch)
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Abstract
1. Gill sodium, potassium-stimulated ATPase activity was determined from December to July in gills of yearling coho salmon (Oncorhynchus kisutch) maintained at four temperatures, 6, 10, 15 and 20°C.
2. Compared to fish held at 6°C, elevation in ATPase activity and the associated parr-smolt transformation were accelerated in fish at 10 and 15°C whereas animals at 20°C experienced at best only a transitory elevation in activity.
3. Fish transferred from one temperature to another developed ATPase activities characteristic of fish residing at temperatures to which they were transferred.
4. Cold water (6°C) tended to preserve the elevated ATPase activity while higher temperatures (10 and 15°C) caused decreases after an initial accelerated increase.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Influence of water temperature on gill sodium, potassium-stimulated ATPase activity in juvenile coho salmon (Oncorhynchus kisutch) |
| Series title | Comparative Biochemistry and Physiology, Part A: Physiology |
| DOI | 10.1016/0300-9629(76)90043-8 |
| Volume | 54 |
| Issue | 4 |
| Year Published | 1976 |
| Language | English |
| Publisher | Elsevier |
| Contributing office(s) | Western Fisheries Research Center |
| Description | 3 p. |
| First page | 419 |
| Last page | 421 |