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Japanese whaling ship

Infamous whale slaughter ship docks for the final time

The whaling ship, Nisshin Maru has returned to the port of Shimonoseki for the final...
Sperm whale

Dominica announces new protections for sperm whales

Dominica has placed almost 800 square kilometers of sea off the west coast of the...
Porpoise dies after becoming entangled in fishing net

UK government rejects chance to protect whales and dolphins

The government has formally rejected almost all of the crucial recommendations made in a House...
Common dolphins © Christopher Swann

Ocean areas selected for conservation are now in danger says task force

The international task force celebrating 10 years of work mapping out Important Marine Mammal Areas...

Half the world’s orca populations in peril from chemical pollution

A new study released this week suggests that the futures of more than half of the different orca population groups in the ocean are in doubt and that some, like the pod located off the West Coast of Scotland, are almost certainly doomed because of the level of pollutants in the water.

One of the main factors is polychlorinated biphenyls (PCBs), a chemical compound used in a wide range of products from plastics and paints to electrical equipment and sealants. PCBs are so highly toxic that they were banned in the 1970’s but they were used in such huge quantities that they still remain in the ocean today.

PCBs are found in seals, fish and other prey and orcas then absorb PCBs through this food chain, causing their immune systems to be reduced and drastically affecting their ability to reproduce.

Meanwhile, off the west coast of Scotland, only eight orca remain in this particular community, with no calves born in 25 years now. One of the group’s adult orcas, Lulu died recently and was found to have a shocking amount of PCBs in her system; well over 100 times the level where damage in marine mammals is known to occur. With no young being born, these orcas will soon be a thing of the past.

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