Lake Trout Mercury Level

If mercury levels are higher than 05 mgkg commercial fishing guideline the advice would be avoid consuming fish b.

Lake trout mercury level. The guideline for the commercial sale of fish. Mercury levels between 02 05 gg Health Canadas recommendation for subsistence consumers will result in consumption limit advice. Anchovy capelin char hake herring Atlantic mackerel mullet pollock Boston bluefish salmon smelt rainbow trout lake whitefish blue crab shrimp clam mussel and oyster.

Authored by a team of researchers including U of T Scarboroughs Arhonditsis Dr. Satyendra Bhavsar a research scientist with Ontarios Ministry of the Environment and Climate Change the study looked at trends in mercury levels found in Ontario Walleye northern pike and lake trout over the past 15 years while projecting where levels will be in 2050. Lac Waconichi control lake showed mercury concentrations below the 05 mgkg directive Health Canada directive for the sale of fishery products for all of the five species of fish analyzed.

2016-02-26 The study looked at trends in mercury levels found in Ontario Walleye Northern Pike and Lake Trout over the past 15 years while projecting where levels. The mercury concentration measured in some of the trout in this lake exceeds the national guideline level of 05ppm. 2019-11-19 Despite that progress the levels of mercury in large game fish like lake trout has remained stubbornly high failing to fall in line with the gradual reduction in pollution.

Larger fish have higher mercury levels than smaller fish. The FDA suggests that any woman of child-bearing age from age 16 to 49 to also avoid eating fish that has the highest mercury levels. Levels are usually higher in predatory species such as northern pike walleye and lake trout because they are more likely to eat smaller fish and mercury becomes more concentrated with each step up the food chain.

An increase in fish mercury levels in the newly created reservoirs and the water bodies downstream of them to increase significantly by factors generally ranging from 2 to 8 relative to the levels measured in natural. The FDA advises that women at high risk can eat two to three servings a week of seafood with low mercury levels and one serving per week of fish with mid-range levels. Fish and shellfish that contain higher levels of these fatty acids and are also low in mercury include.

Fish can contain mercury at levels over 100000 times. Mercury levels higher than 05 gg commercial fishing guideline will result in an avoid consuming fish recommendation for women of reproductive age and children under 12 years old. Size adjusted mean mercury concentration for 550 mm Lake Trout in British.