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Up to 12 different prey fish species were sampled with a 12-m bottom trawl during April, July, and September along two Lake Huron transects (Thunder Bay, Hammond Bay). At each transect in each month, two replicate 10-min tows were conducted at each of three depths (18, 46, 82 m) during the day and night. Once the fish were onboard in a given tow, they were sorted to species, weighed (in aggregate), and up to 50 individuals per species were measured to the nearest total length.


    map background search result map search result map Seasonal benthic prey fish densities in Lake Huron, offshore of Hammond Bay and Alpena, Michigan (2012) Seasonal benthic prey fish densities in Lake Huron, offshore of Hammond Bay and Alpena, Michigan (2012)