|
Comparison and season
|
Mean abundance per species
|
df
|
t
|
P
|
|
February (dry season)
|
||||
|
Very wet: 1981
|
14.66
|
26
|
0.21
|
0.83
|
|
Other years
|
14.02
|
|
|
|
|
ENSO: 1983
|
15.92
|
26
|
0.52
|
0.61
|
|
Other years
|
13.93
|
|
|
|
|
ENSO: 1992
|
16.66
|
26
|
1.05
|
0.30
|
|
Other years
|
13.90
|
|
|
|
|
|
||||
|
May (wet season)
|
||||
|
Very wet: 1981
|
13.53
|
31
|
1.71
|
0.09
|
|
Other years
|
17.46
|
|
|
|
|
ENSO: 1983
|
18.15
|
31
|
0.28
|
0.78
|
|
Other years
|
16.96
|
|
|
|
|
ENSO: 1992
|
28.96
|
32
|
2.72
|
0.01
|
|
Other years
|
16.09
|
|
|
|
|
ENSO: 1997
|
22.03
|
32
|
1.04
|
0.30
|
|
Other years
|
16.44
|
|
|
|