Mapping of salmon breeding spatial distribution

In the fall of 2006 we (Anders Foldvik, Anders Finstad and I) mapped the distribution of spawning adults and nests in three rivers in the Trondheimsfjord area

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A PROPORTION OF THE SALMON WERE CAUGHT USING DIP-NETS TO ESTABLISH SIZE AND SEX		SPENT SALMON
SALMON PREDATED BY MAMMAL (MINK OR OTTER)
SALMON NESTS CAN BE OBSERVED AS LIGHT PATCHES IN THE GRAVEL