Coral Bleaching Full Information 1998

1998 The beginning of the end It was in the middle of Aug in '98, the never ending story of coral bleaching begun.
1999 Death and the return to life Almost all the table coral has dead.The algal films has grown thickly over the body.
2000 The next generation The glimmer of hope has fallen.A tiny new born coral has born.
2001 Breaching again Corals of Cape Maeda are suffering sever breaching again since 1998.
2002 Hope ended in deep despair Many new corals are seen in this year.But the struggle for life is getting severe.
2003 The ending of the end There is no hope. Coral reef of Okinawa I. has gone...
2006 Erosion is increasing Erosion of dead corals are increasing.
2008 10 years later Erosion is getting worse.
2009 Neverending story New corals are growing ! How fantastic it is !

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  An underwater view of
Cape Maeda
  Click here to identify each coral of the below by a larger version. (150kb 800x600)
19
Dec
1998
coral bl981219ma1.JPG (20218 ???) coral bl981219mab.JPG (21942 ???)
B1: Bad course... dying  rapidly.Half dead
B2
:The recovering area did not enlarge.
19
Dec
1998
coral bl981219ma2.JPG (39037 ???)
B:Finally coral B could not resist the force of death.
1
Dec
1998
coral bl981201ma1.JPG (13969 ???) coral bl981201mab.JPG (24650 ???)
B1: dying
B2:
recovering !!
Left :
Most of the coral have been dead.
1
Dec
1998
coral bl981201ma2.JPG (38635 ???)
F:
Half recovered
ACD:Dead
G:
Soft coral.Half recovered
15
Nov
1998
coral bl981115ma1.JPG (18876 ???) coral bl981115mab.JPG (15420 ???)
Dying area is gradually spreading
coral bl981115mad.JPG (16712 ???)
Dead
15
Nov
1998
coral bl981115ma2.JPG (30450 ???)
B:The rest bleaching coral is still gradually dying

F,G:gradually recovering

31
Oct
1998
coral bl981031ma1.JPG (23218 ???) coral bl981031mab.JPG (17011 ???)
Dying area is gradually spreading
coral bl981031mad.JPG (17264 ???)
D: almost dying
31
Oct
1998
coral bl981031ma2.JPG (39486 ???)
D
:The damage is serious
27
Oct
1998
coral bl 1-7.JPG (21983 ???)
w.temp.81.5'F(27.5'c)
coral bl981027ma-3.JPG (16801 ???)
The only bleaching surviver that I found during 1 dive in less than 15ft(5m)
coral bl981027ma-10.JPG (17136 ???)
in 33ft(10m)
Left harf:dead
Right harf:recovered after bleaching
coral bl981027ma-26.JPG (15561 ???)
in 88ft(26.8m).survived good.
27
Oct
1998
coral bl 2-7.JPG (33237 ???)
D:Half dying
13
Oct
1998
coral bl 1-6.JPG (27471 ???) w.temp.82.6'F(28.1'c)

The color brown means the death of coral.

But some coral survived the bleaching.

Deeper than 50ft.(15m),half of Acropora coral survived and gettimg better.

In less than 16ft.(5m),
Montipora
coral survived,but 99% of Acropora coral is dead.

13
Oct
1998
coral bl 2-6.JPG (32058 ???)
D
:The area of dying is spreading .
E
:Begins to recover.
AC
:Dead.There's no hope to recover.
10
Oct
1998
coral bl 1-5.JPG (27588 ???) w.temp.83.1'F(28.4'c)

Seaweeds are growing thicker.

But the last 1% of the coral is getting better little by little.

 

10
Oct
1998
coral bl 2-5.JPG (29962 ???)
Seaweeds are growing thicker.
B:The area of dying is gradually spreading .
4
Oct
1998
coral bl1-4.JPG (28599 ???) w.temp.83.5'F(28.6'c)

Brown is the color of death.
99% of coral have dead.

Seaweeds are spreading all over the bottom.

4
Oct
1998
coral bl2-4.JPG (33890 ???)
A
:Dead
B:The area of dying is spreading.
D:Just one top of the coral is dying
E:Stable.A strong coral against bleaching.
26
Sep
1998
coral bl1-3.JPG (27969 ???) w.temp.84.2'F(29.0'c)

Reduce of whiteness is the worst sign.

Brown is a color of seaweeds.

Once seaweeds stick to coral,it's too late.

Over 50% of coral have already dead.

26
Sep
1998
coral bl2-3.JPG (32704 ???)
A
:Half dying
B:Partially dying
E:No remarkable change
15
Sep
1998
coral bi 1-2.JPG (29117 ???) A view of Cape Maeda

w.temp.84.9'F(29.4'C)

On 20 Aug,it was 87.6'F (30.9'c)

Most of coral were bleaching.

15
Sep
1998
coral bl 2-2.JPG (36402 ???)
ABD
:Bleaching
C:Dead
E:Partially bleaching
14
Jun
1998
coral bl 1-1.JPG (29052 ???) A view of Cape Maeda

Water temp. 80.1'F (27.1'C)

There's no bleaching coral.
Various kinds of coral made perfect natural harmony.

22
Aug
1998

Click here to identify each coral of the below by a larger version.
(150kb 800x600)

coral bl 2-1.JPG (38787 ???)
A:Acropora monticulosa
(Sankaku-midoriishi
in J.)--Not bleaching
B: Platygyra lamellina
(Nou-sango
in J)--Not bleaching.
C:Acropora sp.--Half bleaching.
D:Pocillopora eydouxi
(Herajika-hanayasai-sango
in J.)
-Bleaching only its tops
E:Montipora informis
(Norikomon-sango in J.)-Not bleaching