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  • 1
    Publication Date: 2018-09-07
    Description: This project was carried out from November 2008 for about two years. Seven laboratories of the research center including: Chromatography, Instrumental Analysis, Aquatic zoology, Sample preparation, Histology, Plankton and Benthos were selected for the accreditation. The quality manual of the test laboratories was written following the general requirements of ISO/IEC 17025. During the establishment of the system standardization of the test methods, calibration of the equipment, test methods validation, uncertainty estimation of measurement and update and improvement of physical conditions of the laboratories were performed. The technical and quality management competence of the laboratories were evaluated by the auditors from DGA (the German Accreditation System for Testing Laboratories), which is signatory of ILAC (International Laboratory Accreditation Co-operation). The laboratories officially accredited by DGA, after the successful completion of the accreditation process (including implementation of corrective actions for the detected nonconformities). The accreditation is valid from 2009-11-12 to 2014-11-11. Production of reliable results of the test methods from national and international scientific organizations' point of view as well as facilitation in development of bilateral and multilateral relations with them can be considered as the advantages of the system establishment. Moreover, exchange of the relevant scientific information and experiences among the researchers will be facilitated.
    Keywords: Information Management
    Repository Name: Aquatic Commons
    Type: Monograph or Serial Issue , NonPeerReviewed
    Format: application/pdf
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  • 2
    Publication Date: 2018-10-07
    Description: This study was carried to monitor the algal bloom in Hormozgan Province costal water in 2012. The purpose of this project is to examine the changes of phytoplankton, Zooplankton, and environmental factors in this area monthly. To achieve this goal, eight sampling stations were selected in Bandar Abbass coast and three stations were selected in both port Lengeh and Jask. Physicochemical parameters of water were measured with a CTD and the minimum and maximum values were obtain for these parameters contain temperatures between 19.5 ± 0.32 and 35.34 ± 0.2 (oC), salinity between 36.8 ± 0.05 and 39 ± 0.03(p s u), dissolved oxygen between 4.75 ± 0.14 and 6.8 ± 0.2 (mg / l), pH between 7.9 ± 0.05 and 8.8 ± 0.09, chlorophyll a between 0.29 ± 0.13 and 2.97 ± 0.13 (mg/m^3). In this study 3 branches, 5 classes, 14 orders, 24 families and 42 genera of phytoplankton (including 26 genera of group Bacillariophyceae, 14 genera of group Dinophyceae and 2 genera of group Cyanophyceae) as well as 14 groups of Zooplankton populations were identified. The results of the study of phytoplankton in coastal waters of the Hormozgan province showed that in all months (with some exceptions, regardless of the dominant group have dinoflagellate) diatoms constitute the highest frequency of the dominant group. In the spring, Gymnodinium with 90% ,in summer Chaetoceros and Oscillatoria, each with a 40%, in fall Leptocylindrus and Rhizosolenia each with 71%and 26% and 33% in winter Leptocylindrus the dominant species in coastal waters of Bandar Abbas. In Port Lengeh and r Jask coastal waters Guinardia with 30% and Leptocylindrus with 39% in the Spring Nitzschia, with 69% and Rhizosolenia with 49% in the Summer, Rhizosolenia, with 57% and Gymnodinium 30% in the Autumn, and Leptocylindrus with 40% and 59% in the Winter were the dominant species in these areas.There was a significant correlation n between physicochemical parameters and total abundance of phytoplankton in all area (p〈0.5). The results showed that the seasonal variation and the percent of zooplankton were, Nauplius, 49% and Calanoida, 21% in Spring, Nauplius, 41% and Tintinnida, 28% in Summer, Nauplius 49% and Cyclopoida, 20% in Autumn and Tintinnida, 31% and Cyclopoida, 26% in Winter in Hormozgan province Coasts, in other words, the maximum percentage was belong to the crustacean group.
    Keywords: Ecology
    Repository Name: Aquatic Commons
    Type: Monograph or Serial Issue , NonPeerReviewed
    Format: application/pdf
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  • 3
    Publication Date: 2018-10-07
    Description: After the arrival of the invasive spexies (Mnemiopsis leidyi) in the ecosystem of Caspian Sea in 1999, It had notable impacts. In this study, we,re assessing impacts of quantitative M. leidyi as a biopllutant on zooplankton community in the southern part of the Caspian Sea during 2001-2010 period. It becomes clear that Abundance and Distribution Range (ADR) of M.leidyi during 2001-2009 was in class E(occurrence in high numbers in all localities) and in year 2010 was in class D(occurrence in moderate numbers in all localities). from 2001- 2009, ADR in Summer season was in class E, but in summer 2010, relatinve biomass of M.leidyi has decreased and ADR was evaluated as D. During the fall seasons of 2001 -2010, only in fall of 2003 and 2010, the ADR was C(occurrence in low numbers in all localities) and D respectively and in other years, the ADR was in class E. In winter season relative biomass of M.leidyi decreased and only in winter of 2001 relative biomass was high and the highest ADR (class E). In winter 2003 and 2004, ADR was in class D. The biomass of M.leidyi was found to be zero in winter 2008. From winter of 2009-2010,ADR, were assessed B and A respectively. In the spring, ADR was evaluated A and D. Considering the obtained results, the yesr 2001, which the relative niomass was more than 90 percent, could be considered as the expantion phase and the following years (2002-2010) with regard to decrease of relative biomass as the adjustment phase. With regards to the loss of the keystone species (Eurytemora sP.) and some other native species, our evalution showed that the impact of M.leidyi on structure of zooplankton community was assessed as massive (C4).During summer and fall seasons that biomass of M.leidyi was higher than 50%, only A.tonsa exist, but during spring and winter seasons that biomass of M.leidyi was decreased and more species have a chance to exist.
    Keywords: Ecology
    Repository Name: Aquatic Commons
    Type: Monograph or Serial Issue , NonPeerReviewed
    Format: application/pdf
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