The 1997 El Niño/Southern Oscillation (ENSO 97-98):
Biological observations possibly related to El Niño
 
 Australia / New Zealand / Fiji / Tonga / New Caledonia / Samoa
 
Marine life
Birds
Disease
Other
September   13    10 
18 
22 
October   07   07
November 05     26
December 29 
31
17   17 
17 
29 
29
January 29 28   01
February 04 
05 
06 
15 
23 
26
06   24
March 08     23
April 20 
23
    19 
26
May 01 08 29 05 
07 
09
June     18 17
August     06  
 
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