Nutrients in the coastal areas around the world are increasing as runoff from agriculture and sewage disposal enter the waters. Ocean waters generally have increased in temperature since 1970. While the temperature rise is small, it is significant.
The sei whale is listed as endangered. It was a favourite of the whalers who logged over 200 000 kills. The best estimate of its current population is around 8000. It is sometimes targeted by the Japanese “research” vessels in their controversial hunts.
Like many large animals the sei whale eats quantities of food every day. They filter the sea water through their baleen catching about 900 kilos(2000 lbs) per day. Plankton, squid and small fish are the usual fodder.
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