كليدواژه :
Shrimp culture ponds , اكوسيستم آبي , PENAEUS INDICUS , Tiab area of Hormozgan province , زي شناوران گياهي , استخرهاي پرورش ميگو , فيتوپلانكتونها , دياتومه ها , هرمزگان , تياب , بندر عباس , دينوفلاژله ها , phytoplankton , ميگوي سفيد هندي , جلبكهاي سبزآبي , Diatoms , شيلات , Blue-green algae , PENAEUS INDICUS , Dinoflagelata , ايران
چكيده لاتين :
Shrimp larvae in early stages of life are dependent on primary products of ponds (phytoplankton) and need time to adopted to dietary regims. This study was designed to investigate diversity and density fluctuations of phytoplankton in hrimp ponds during culture period. Three shrimp culture farms namedy Zarabzy, Kar office and Mahkish were involved in this investigation. Total sampling duration was from June to November 1999 and sampling period was 10-14 days. During this study 14 genera of phytoplankton related to diatoms, din flagellates and blue-green algae were identified. Diatoms represent 8 genera, followed by 4 genera of dinoflagellata and only 2 genera of blue-green algae. Maximum and minimum phytoplankton density was recorded in Kar office and Mahkish farms, and maximum minimum species diversity was found in Mahkish and Zarabzy farms respectively. The statically analysis indicated that there is significant difference between density of blue-green algae and diatoms during shrimp culture period (p<0.05).
