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Title

ABUNDANCE AND DIVERSITY OF FISH LARVAE IN THE FARAKEH CREEK-ESTUARY AREA OF BUSHEHR PROVINCE

Pages

 Start Page 39 | End Page 48

Abstract

 Abundance and DIVERSITY of fish larvae in the Farakeh CREEK-Estuary area of the BUSHEHR's northern coastal waters was investigated from Sept. 2000 to Sept. 2001. Sampling was performed once per month in three designated stations of Dobeh CREEK, Ramleh CREEK and Farakeh CREEK-Estuary, covering a total area of 10 km2. Samples were collected by pulling Bongo net of 500µ mesh size obliquely from the sea bed to the surface. Parameters such as salinity, temperature, pH and transparency were also recorded.Totally, 2106 larvae at various stages of preflexion, postflexion and early juveniles belonging to 15 families were collected. Total larval abundance in the covered area was estimated to be 40551.2535 in number. The most abundant larvae were found to belong to Clupeidae, Gobiidae and Sillaginidae, respectively, constituting 93.82% of the total larval abundance. Majority of the identified larval samples were found to be typical neritic and tidal zone faunas inhabiting soft and muddy sea bed. The abundance peak was found to occur in Mar-Apr, and decreased in Jun-Jul as temperature increased. The highest abundance was recorded in Dobeh and Ramleh CREEKs, respectively. No significant differences (p<0.05) in species DIVERSITY, richness and evenness among the larvae from the covered stations were found, indicating even habitats of the covered area.

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