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:: Volume 24, Issue 2 (7-2015) ::
isfj 2015, 24(2): 29-41 Back to browse issues page
The study of zooplankton population structure in Anzali wetland
M. Fallahi *, J. Sabkara
Abstract:   (7778 Views)
Anzali wetland is one of the most important places for migratory fishes. Zooplankton organisms are the first consumers in the ecosystem. They are perfect food for the larvae of fishes. Six stations from different areas of wetland were examined for the study of zooplankton population during March 2011 to April 2012. Sampling was done by tube (PVC) and passing through of 30 micron plankton net. The samples were identified and counted by inverted microscope. According to the results, 60 Genus and 6 phylum (11, 31, 10, 2, 1, 1, 1, 2 genus of phylum Protozoa, Rotatoria, Arthropoda, Gastrotricha, Mollusca, Tardigrada, Nematoda, Porifera, Annelida) respectively were identified. The results showed that the maximum annual average density of zooplankton was observed with 2497 ± 687number per litre in Karkan station and the population was more in the summer than in other seasons. Density of Rotatoria, protozoa and superclass Copepoda were 48%, 45% and 6% respectively. Results showed the population structure of zooplankton did not change much compared to past studies (due to improper environmental conditions), excluding Protozoa but the diversity of all zooplankton group is extremely declined. Kruskal Wallis test showed there was not significant difference between density of zooplankton in different stations, months and seasons (p>0.05), but significant differences were found between densities of different zooplankton phylum (p<0.05).
Keywords: Zooplankton, Anzali wetland, Density, Diversity
Full-Text [PDF 987 kb]   (1647 Downloads)    
Type of Study: Research | Subject: اكولوژي محيطهاي آبي
Received: 2015/08/30 | Accepted: 2015/08/30 | Published: 2015/08/30
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Fallahi M, Sabkara J. The study of zooplankton population structure in Anzali wetland. isfj. 2015; 24 (2) :29-41
URL: http://isfj.ir/article-1-1396-en.html


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Volume 24, Issue 2 (7-2015) Back to browse issues page

با کسب مجوز از دفتر کمیسیون بررسی نشریات علمی وزارت علوم، تحقیات و فنآوری مجله علمی شیلات بصورت آنلاین می باشد و تعداد محدودی هم به چاپ می رساند. شماره شاپای جدید آن ISSN:2322-5998 است

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