Effect of Seasonal Patterns in Energy Allocation on Natural Mortality in Lake-dwelling Juvenile Brown Trout with Respect to Prey Utilization

نویسنده

  • Teuvo Niva
چکیده

On the basis of shipboard scans of stomach contents made during 1992-1996 in the Pacific waters off the northern Kuril Islands and southeastern Kamchatka, the diets and some aspects of trophic relations of Pacific ocean perch Sebastes alutus, walleye pollock Theragra chalcogramma, and Atka mackerel Pleurogrammus monopterygius are considered. Comparison of their diets, features of interannual feeding intensity, bathymetric patterns, and maps of spatial distribution showed that the feeding competition among species considered was on low level.

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تاریخ انتشار 1999