CORRELATION BETWEEN CHANGES OF CHLOROPHYLL-A AND TRANSPARENCY IN THE SOUTHERN CASPIAN SEA

CORRELATION BETWEEN CHANGES OF CHLOROPHYLL-A AND TRANSPARENCY IN THE SOUTHERN CASPIAN SEA

Chlorophyll-a is a main pigment for photosynthetic proccess in marine phytoplankton and by it either amount of biomass can be estimated or can be considered as an index for trophic level of aquatic ecosystem. In year 1996,81 secchi disc depth were measured and 1601 samples of chlorophyll-a were coll...

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Veröffentlicht in:Majallah-i ilmī-i shīlāt-i Īrān (Online) 2004-01, Vol.13 (1), p.191-200
Hauptverfasser: H. Nasrolahzadeh saravi1, A. Hosseini2
Format: Artikel
Sprache:per
Schlagworte:
Chlorophyll-a
TRANSPARENCY
SECCHI DEPTH
Caspian Sea
Iran
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Zusammenfassung:Chlorophyll-a is a main pigment for photosynthetic proccess in marine phytoplankton and by it either amount of biomass can be estimated or can be considered as an index for trophic level of aquatic ecosystem. In year 1996,81 secchi disc depth were measured and 1601 samples of chlorophyll-a were collected seasonaly from the southern Caspian Sea. The results showed that average chlorophyll-a in seasonals of spring, summer, autumn and winter were 1.072,0.550, 1.848,0.966 mg/m3 and depth of transparency were 6.42,8.86, 5.62 and 5.22m, respectively. The statistical analysis showed a significant correlation (P
ISSN:1026-1354
2322-5998