International Journal of Ecology / 2008 / Article / Tab 1 / Research Letter
Increased Chlorophyll Levels in the Southern Caspian Sea Following an Invasion of Jellyfish Table 1 Zooplankton (
>
1
0
0
𝜇
m
) and phytoplankton quantities before and after Mnemiopsis leidyi invasion in the
southern Caspian Sea (± standard deviation).
Before M. leidyi Period (reference) After M. leidyi* Period
Zooplankton Abundance (
×
1
0
5
i
n
d
⋅
m
−
2
)
5
.
1
±
3
.
7
1994 summer [8 ]
0
.
1
9
±
0
.
1
9
2001 summer
2
.
8
±
1
.
3
1995 autumn [8 ]
0
.
5
5
±
0
.
4
2
2001 autumn
3
.
1
±
2
.
2
1996 summer [8 ]
0
.
5
2
±
0
.
2
6
2002 summer
4
.
6
±
1
.
9
1996 autumn [8 ]
0
.
2
8
±
0
.
1
0
2002 autumn Phytoplankton abundance (
×
million
cells m-3 ) 14.9 1962 summer [9 ] 108 ±
99 summer-autumn 2001 17.2 1975 summer [9 ] — — 8.8 1976 summer [9 ] 34
± 71 summer-autumn 2002
* present
study (see methods in Supplementary Material). [8 ]: from Mazandaran region,
the zooplankton sampling and analyses methods were the same as in the present
study; [9 ]: from Southern Caspian Sea.