Toxic hot spots threaten endangered salmon and killer whales
Hot spots including Victoria Harbour for toxic metals such as mercury, cadmium, lead and copper pose yet another threat to whales and salmon.
Source: timescolonist.com
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Hot spots including Victoria Harbour for toxic metals such as mercury, cadmium, lead and copper pose yet another threat to whales and salmon.
Newly identified toxic metal hot spots on the West Coast further threaten endangered killer whales and their key food source, a recent study shows.
High levels of mercury, cadmium, lead and copper in critical habitats compounding concern