ENTRANCE OF MNEMIOPSIS LEIDY INTO THE CASPIAN SEA AND ITS EFFECTS ON ECONOMIC FISH SOURCES

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SHAHIFAR R.

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Seminar Paper

Paper Information

Seminar: CONFERENCE FOR COORDINATION OF IRANIAN MARITIME ORGANIZATIONS
Year:2006 | Issue:14

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Title

ENTRANCE OF MNEMIOPSIS LEIDY INTO THE CASPIAN SEA AND ITS EFFECTS ON ECONOMIC FISH SOURCES

Author(s)

SHAHIFAR R.

Keywords

CASPIAN SEA

MNEMIOPSIS LEIDY

FISH SOURCES

BLACK SEA

Abstract

THE MNEMIOPSIS LEIDY, KNOWN AS WARTY COMB JELLY, MOST LIKELY WAS ENTERED INTO THE CASPIAN SEA THROUGH BALLAST WATER FROM BLACK SEA AND IT SPREAD ALL OVER THE CASPIAN SEA AND IN PLACES WITH THE LEAST SALINITY (4.3 IN THOUSAND). DURING 2001-2002, THE AMOUNT OF THIS INVASIVE CREATURE REACHED TO A PERILOUS LEVEL AND ITS AVERAGE HUMID WEIGHT INCREASED TO 1 KILOGRAM IN SQUARE METER. CONSIDERING THE ADAPTATION, QUICK GROWTH AND CONSEQUENTLY HIGH FREQUENCY OF THIS AQUATIC IN CASPIAN SEA, THE EFFECTS IN CASPIAN SEA GET WORSE AND QUICKER THAN THE EFFECTS IN BLACK SEA, AND OTHER THAN SEVERE CHANGES IN ECOSYSTEM; THE ZOOPLANKTON POPULATION (ESPECIALLY BLACK SEA SPRAT) WERE SEVERELY DECREASED. IN THE PRESENT ARTICLE, OTHER THAN DEFINING THE PRESENT CONDITION OF CASPIAN SEA AND THE DIRECT AND INDIRECT EFFECTS OF COMB JELLY ON THE FOOD CHAIN, THE EFFECTS ON ZOOPLANKTON, PHYTOPLANKTON, BENTHOS AND EIGHTEEN TYPES OF ECONOMIC FISHES AND ONE MARINE MAMMAL IN CASPIAN SEA COASTS ARE INVESTIGATED.

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APA: Copy

SHAHIFAR, R.. (2006). ENTRANCE OF MNEMIOPSIS LEIDY INTO THE CASPIAN SEA AND ITS EFFECTS ON ECONOMIC FISH SOURCES. CONFERENCE FOR COORDINATION OF IRANIAN MARITIME ORGANIZATIONS. SID. https://sid.ir/paper/908145/en

Vancouver: Copy

SHAHIFAR R.. ENTRANCE OF MNEMIOPSIS LEIDY INTO THE CASPIAN SEA AND ITS EFFECTS ON ECONOMIC FISH SOURCES. 2006. Available from: https://sid.ir/paper/908145/en

IEEE: Copy

R. SHAHIFAR, “ENTRANCE OF MNEMIOPSIS LEIDY INTO THE CASPIAN SEA AND ITS EFFECTS ON ECONOMIC FISH SOURCES,” presented at the CONFERENCE FOR COORDINATION OF IRANIAN MARITIME ORGANIZATIONS. 2006, [Online]. Available: https://sid.ir/paper/908145/en

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