フロリダのマナティー「過去最悪」の大量死、藻の大発生が原因か


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[November 1 AFP] Many manatees are dead this year in the Florida, U.S., (Florida) state owing to the abrupt increase of a poisonous alga which makes underwater oxygen drained, and it is said that the number has reached the record greatest ever.
The biologists of the protection organization clarified.
According to the announcement of ? rice protection organization “save the manatee club (Save the Manatee Club, SMC)” It is said that a total of 769 animals are dead as of 29 days, and the fatty “marine resident” manatee which inhabits the Florida coast has become the worst ever year for a manatee this year.
Although remained two more or so months ? this year, the manatee of the twice [ about ] as many member as this is already dead 2012 with the whole when the death of the manatee of 392 animals was checked.
According to the ? Florida state wild nature species protection office (Florida Fish and Wildlife Conservation Commission), it was in 2010 that 766 animals which were the greatest ever until now died, and winter and spring were chill unusually in that year.
if ? manatee lives near the coastline and climate cools, in order to avoid the state where it is known as “cold stress” — the running water of the plant where the neighborhood and the water temperature of a spring are comparatively high — it takes refuge in a way in many cases.
The person in charge of the science and the nature conservation section of ?SMC is mentioning two “unusual extensive death phenomena” as a cause about the extensive death of this year of a manatee.
According to the ? Florida state wild nature species protection office, the abrupt increase of poisonous red tide died in the southern State of Florida in this winter and spring, and the manatee of 276 animals died of the cause.
The greater part of this death was generated in the Gulf of Mexico (Gulf Coast) 岸沖 of Cape Coral (Cape Coral) and the Fort Myers (Fort Myers) area.
Although the ?2 つ phenomenon had not been solved yet, it is the offing of the Atlantic coast of a blur bird (Brevard) county, and the manatee of 100 or more animals died of the indefinite cause.
The ? said person in charge says that such death relates to the outbreak of various seaweeds in 2010 and afterwards and 19,000-ha seaweed having been lost.
123 in the manatee which died ? this year are stillbirth or a newborn child, and a young individual, and the classification of this kind of death also serves as the greatest ever member.
The manatee specified as the protection kind in ? Florida state is subject to big influence by the urban development performed in the central part and the southern area along the shore of the state in recent years.
Although the group of the manatee of 3?4 animals is often seen along the seashore, many manatees collided with the ship and are dead in the inside of the bay in ? Miami (Miami).
(c)AFP
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