title: Gill ATPase activity related to parr-smolt transformation and migration in steelhead trout (Salmo gairdneri): influence of photoperiod and temperature.
mesh_terms: D000251:Adenosine Triphosphatases / Q000378:metabolism*; D000375:Aging; D000818:Animals; D002940:Circadian Rhythm; D004777:Environment; D005880:Gills / Q000166:cytology / Q000201:enzymology* / Q000254:growth & development; D008027:Light; D008861:Microsomes / Q000201:enzymology; D011188:Potassium; D012487:Salmonidae / Q000254:growth & development; D012621:Seasons; D012964:Sodium; D013045:Species Specificity; D013696:Temperature
chemical_list: D012964:Sodium; D000251:Adenosine Triphosphatases; D011188:Potassium