red tides

2009-05-29 12:15 am
Plx explan that from 1975 to 2007, why did red tides usually occur in March and April in HK water?

(plx explan in English)

回答 (1)

2009-05-30 7:42 pm
✔ 最佳答案
Red-tide Timeline

1880 -- A widespread episode of bird mortality affects the Florida Gulf. It is believed by some to
have resulted from red tide.


1884 -- The first incident of human sickness from red-tide-infected shellfish is recorded in Florida.

1947 -- After record rains in the Panhandle, a massive red-tide bloom along the Florida Gulf
Coast lasts nearly a year, all but destroying the commercial fishing industry and killing the sponge
beds near Tarpon Springs.
1953 -- The longest single red-tide episode recorded to that date begins an 18-month stay along
the Florida Gulf Coast.

1998 -- First year of the unbroken run of annual red-tide episodes that continues to this day.

2001 -- The Apalachicola Oyster Festival imports oysters after the bay is closed to shellfishing
because of red tide.

2005 -- A red-tide bloom lasting most of the year results in a "dead zone" the size of Rhode Island
on the Gulf floor. Sarasota County health officials propose posting red-tide alert signs on area
beaches, but tourism officials warn that they could have an adverse affect.


2006 -- After a brief respite, red tide picks up again, causing state scientists to call the bloom that
began in 2005 one of the two or three worst in Florida's history. The national Sierra Club says it
will open a Sarasota office to "move red tide to the top of the agenda."
Going global

1975 -- Hong Kong's first red tide prompts the protectorate government to begin recording
episodes. By 2005, there will be 759 of them, most nontoxic.
I'm very sorry
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Hope I can help you!!!
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