Qualitative and quantitative study of copepods in damietta harbor, egypt
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The qualitative and quantitative dynamics of the copepod community in Damietta Harbor was studied through zooplankton samples collected monthly from May 2003 to April 2004. The copepods community was represented by 21 species, belonging to calanoids (9 species), cyclopoids (5 species) and harpacticoids (7 species). A few species appeared to be persistent, while the majority of copepods were recorded either intermittently or rarely. The abundance of copepods showed wide range of variations (7x103 - 175 x103 organisms/ m3), and the annual cycle of the standing stock displayed bimodal peaks in June and August-September. The nauplii and copepodides constituted the bulk of copepods count (71.6% and 12.3% respectively). Of the adult forms, Oithona nana was the most abundant species, forming 8.1% of the total copepods, followed by Euterpina acutifrons (3.8%) and Paracalanus parvus (2.5%). Most of copepod species displayed distinct seasonal occurrence relative to environmental conditions. The.....
Other Titleدراسة التركيب النوعي و الكثافه العددية لمجدافيات الأرجل في ميناء دمياط – مصر
JournalEgyptian journal of aquatic research
PublisherNational Institute of Oceanography and Fisheries, Egypt
Spatial CoverageDamietta Harbor