Earth’s oceans are not only full of plastics: they’re also clogged with dumped medications, antibiotics, disinfection products, household chemicals and pesticides, among other products. Moneyweb Marine pollutants
The adage “out of sight, out of mind” has long summed up humans’ attitude to dumping personal and industrial waste. In a 1974 Scientific American article, the oceanographer Willard Bascom wrote that “the ocean is the plausible place for man to dispose of some of his wastes”. If done “thoughtfully”, he continued, “it will do no damage to marine life.” But it hasn’t been done thoughtfully.
Limpets, the varied-sized and -coloured seashells that cling to rocks, were found to have the highest concentrations of these compounds compared to the edible organisms such as mussels and sea urchins. Although limpets are not an edible species, this knowledge is valuable: limpets could be used as sentinel organisms to monitor pollution in and around the ocean – a sort of “canary in the coalmine.
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