EFFECTS OF ENVIRONMENTAL FACTORS ON DIVERSITY OF BEFOULING ORGANISMS IN IMAM KHOMEINI PORT

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KHODABAKHSH ELAHEH; NABAVI SEYED MOHAMMAD BAGHER; GHOBADI SH.; KHODABAKHSH ELENA; KHODABAKHSH HESAM

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Journal: NEW TECHNOLOGIES IN AQUACULTURE DEVELOPMENT (JOURNAL OF FISHERIES) Year:2008 | Volume:2 | Issue:2 Page(s): 39-48

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Title

EFFECTS OF ENVIRONMENTAL FACTORS ON DIVERSITY OF BEFOULING ORGANISMS IN IMAM KHOMEINI PORT

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Keywords

ENVIRONMENTAL FACTORSQ3

BIOFOULINGQ3

DIVERSITYQ3

Abstract

In this research the sampling was done from the organisms of piles of Imam Khomeini port in 4 stages, each Three months, from January 2005 to October 2006. Five stations were chosen and samples were taken from three zones: super tidal zone, inertial zone and sub tidal zone in 1×1m2. At the same time, the ENVIRONMENTAL FACTORS (pH, Salinity, DO, Temperature) of each stage were measured. Ecological indices such as Shanon, species richness, Simpson and evenness were calculated. There results showed that the DIVERSITY of organisms in piles of Imam Khomeini port was low, but the species richness was high. Barnacle (Balanus amphytrit) was the dominant species in all 3 tidal zones. Results of variation analysis between DIVERSITY and ENVIRONMENTAL FACTORS were significant only for temperature (-0.349). Temperature was the only factor which had significant effect on DIVERSITY of BIOFOULING organisms; other factors (i.e. pH, DO and Salinity) had no significant effects. Moreover, the results showed that the increase in temperature causes decreases in biodiversity but it increases the richness. On the other hand, the results revealed a positive correlation between temperature and Simpson index (0.380) and negative correlation between temperature and Shanon, evenness and species richness indices. Also a negative correlation between Simpson with Shanon, evenness, and richness indices, was observed. In brief, the results indicated that increases so it shown that increases in species dominance was joint with decreasing in biodiversity and species richness.

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APA: Copy

KHODABAKHSH, ELAHEH, NABAVI, SEYED MOHAMMAD BAGHER, GHOBADI, SH., KHODABAKHSH, ELENA, & KHODABAKHSH, HESAM. (2008). EFFECTS OF ENVIRONMENTAL FACTORS ON DIVERSITY OF BEFOULING ORGANISMS IN IMAM KHOMEINI PORT. NEW TECHNOLOGIES IN AQUACULTURE DEVELOPMENT (JOURNAL OF FISHERIES), 2(2), 39-48. SID. https://sid.ir/paper/161696/en

Vancouver: Copy

KHODABAKHSH ELAHEH, NABAVI SEYED MOHAMMAD BAGHER, GHOBADI SH., KHODABAKHSH ELENA, KHODABAKHSH HESAM. EFFECTS OF ENVIRONMENTAL FACTORS ON DIVERSITY OF BEFOULING ORGANISMS IN IMAM KHOMEINI PORT. NEW TECHNOLOGIES IN AQUACULTURE DEVELOPMENT (JOURNAL OF FISHERIES)[Internet]. 2008;2(2):39-48. Available from: https://sid.ir/paper/161696/en

IEEE: Copy

ELAHEH KHODABAKHSH, SEYED MOHAMMAD BAGHER NABAVI, SH. GHOBADI, ELENA KHODABAKHSH, and HESAM KHODABAKHSH, “EFFECTS OF ENVIRONMENTAL FACTORS ON DIVERSITY OF BEFOULING ORGANISMS IN IMAM KHOMEINI PORT,” NEW TECHNOLOGIES IN AQUACULTURE DEVELOPMENT (JOURNAL OF FISHERIES), vol. 2, no. 2, pp. 39–48, 2008, [Online]. Available: https://sid.ir/paper/161696/en

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