Effect of infection by parasites nematode larvae on Black Sea anchovy

1
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2
Effect of infection by parasites (nematode
larvae) on Black Sea anchovy (After Shulman and
Shchepkina, 1983)
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RELATION BETWEEN FAT CONTENT AND CHARACTER OF
WINTERING MIGRATION OF AZOV ANCHOVY
4
Relation between fat content in Azov Sea
anchovy and temperature of its wintering
migration
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Fat content ( WW) in sprat populations (Minyuk
et al, 1997)
June 1991
46
13.4
17.2
12.6
11.6
44
12.9
11.3
42
28
30
32
34
36
38
40
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Relation between sprat fatness and phytoplankton
biomass in the NW part of the Black Sea (a), and
phytoplankton biomass in the Black Sea in whole
(b)
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Deviations of annual surface water temperatures
in the Black Sea off South Crimea from the
long-term (19602005) mean (bars) solid line
indicates the data smoothed with the 11-year
filter
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Long-term dynamics of sprat fat content from
1960 to 2005
M11.54 SD1.76
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Lipid characteristics (triacylglycerols, mg
g-1)in good and bad swimmers of horse-mackerel
(Shulman et al., 1978)
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Lipids as indicator of anchovy larvae food
supplyA) Poor nutritional conditionB) Good
nutritional condition (after Hakanson, 1984)
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Relationship between fatness of Calanus and
phytoplankton biomass on shallow stations (Yuneva
et al., 2002)
100
females
CV
Total lipids, µg/ind
50
0
200
400
600
800
1000
0
Phytoplankton biomass, mg/m3
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Total lipids content in Calanus and glycogen
content in Pleurobrachia in cyclonic (A) and
anticyclonic (B) zones. (1-6 are station numbers)
(Yuneva et al., 1999)
1
120
100
2
Total lipids
100
3
80
Glycogen
Total lipids of C. euxinus, g ind-1
80
60
4
5
6
Glycoen of P. rhodopis, PS
60
40
40
20
20
0
0
A
B
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Glycogen in hepatopancreas (1) and gonads (2) of
uninvased (black circles) and invased (white
circles) Black Sea mussel
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RNA/DNA in somatic (1) and gonad (2) tissues of
mussels (July August, 1988)
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