Zobrazeno 1 - 7
of 7
pro vyhledávání: '"F. M. Atton"'
Publikováno v:
Journal of the Fisheries Research Board of Canada. 27:830-834
Muscle tissue of 81 fish from several locations in the Saskatchewan River system contained an average of more than 1.0 ppm of mercury. Fish collected at two sites had much higher concentrations, with individual fish containing up to 11.2 ppm. The con
Publikováno v:
Journal of the Fisheries Research Board of Canada. 30:643-650
Rainbow trout (Salmo gairdneri) were held in cages in the South Saskatchewan River to assess mercury uptake following curtailment of mercury discharges to the river. There was a rapid uptake of mercury by the fish during the first warm summer period
Publikováno v:
Journal of the Fisheries Research Board of Canada. 25:1511-1516
not available
Autor:
J S Nelson, F M Atton
Publikováno v:
Canadian Journal of Zoology. 49:343-352
Brook sticklebacks, Culaea inconstans (Kirtland), are known from 20 locations in Alberta and Saskatchewan in which a high proportion of the individuals lack all or part of the pelvic skeleton. These locations are interspersed and surrounded by other
Autor:
F. M. Atton, G. Wobeser
Publikováno v:
Journal of the Fisheries Research Board of Canada. 30:681-683
Columnaris disease, due to Chondrococcus columnaris, was diagnosed during a die-off of white suckers (Catostomus commersoni) in a lake in Saskatchewan. The pathology of the disease in white suckers is described. This is the first known report of colu
Autor:
F. M. Atton
Publikováno v:
Transactions of the American Fisheries Society. 88:203-205
The history of carp introductions and establishment in the Nelson River drainage is reviewed. Present distribution (1957) and possible points of invasion are shown. The rate of movement is examined and the importance of infertile and cold water as an