APPLICATION OF BIOLOGICAL INDICATORS IN THE ASSESSMENT OF WATER POLLUTION IN CHAF WETLAND IN GUILAN PROVINCE USING WELCH MODEL

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BAYAT OMMOKOLSUM; NABAVI SEYED MOHAMMAD BAGHER; RAJABZADEH EBRAHIM

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Journal: JOURNAL OF WETLAND ECOBIOLOGY Year:2013 | Volume:4 | Issue:14 Page(s): 5-17

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Title

APPLICATION OF BIOLOGICAL INDICATORS IN THE ASSESSMENT OF WATER POLLUTION IN CHAF WETLAND IN GUILAN PROVINCE USING WELCH MODEL

Author(s)

BAYAT OMMOKOLSUM | NABAVI SEYED MOHAMMAD BAGHER | RAJABZADEH EBRAHIM | Issue Writer Certificate

Keywords

CHAF WETLANDQ4

MACRO-BENTHOSQ4

THE PHYSICAL-CHEMICAL FACTORSQ4

BIO INDICATORSQ2

Abstract

The present research relates to the measurement of species diversity indices of MACRO-BENTHOS as bioindicators of environmental health in CHAF WETLAND. CHAF WETLAND is located in 10 km of northeast of Langerud city and in the vicinity of Chaf village and 9 km far from the south of Amirkelaye international wetland in Guilan province. Sampling was carried out in 10 stations using Van-Veen grab, with 3 repetitions in each station in two seasons of winter and summer in 2010. According to the results of this survey, seven classes of benthic invertebrates in this region were identified. Among the identified groups the most percentage of frequency was related to Insecta with 76.35 % (19522 no. in each m2) and the least percentage of frequency was related to Adenophorea with 0.1% (26 no. in each m2). In this research, parameters of physical-chemical of water such as temperature, salinity, pH, DO, and also existing factors in sedimentation of organic material and granular of sediment materials were evaluated and compared. Shannon index (H'), Simpson index (λ) and Kamargo uniformity index (É) were used for evaluating the existence variety of MACRO-BENTHOS in the studied region. The highest value of Shannon index in winter and the lowest one in summer were recorded 1.566 and 0.657, respectively. Welch model was used as pattern to understand the ecological situation of the region in terms of the level of pollution. According to the results based on the mentioned model high level of pollution was in summer (H<1) and within the average limit was in winter (1<H<3).

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APA: Copy

BAYAT, OMMOKOLSUM, NABAVI, SEYED MOHAMMAD BAGHER, & RAJABZADEH, EBRAHIM. (2013). APPLICATION OF BIOLOGICAL INDICATORS IN THE ASSESSMENT OF WATER POLLUTION IN CHAF WETLAND IN GUILAN PROVINCE USING WELCH MODEL. JOURNAL OF WETLAND ECOBIOLOGY, 4(14), 5-17. SID. https://sid.ir/paper/174761/en

Vancouver: Copy

BAYAT OMMOKOLSUM, NABAVI SEYED MOHAMMAD BAGHER, RAJABZADEH EBRAHIM. APPLICATION OF BIOLOGICAL INDICATORS IN THE ASSESSMENT OF WATER POLLUTION IN CHAF WETLAND IN GUILAN PROVINCE USING WELCH MODEL. JOURNAL OF WETLAND ECOBIOLOGY[Internet]. 2013;4(14):5-17. Available from: https://sid.ir/paper/174761/en

IEEE: Copy

OMMOKOLSUM BAYAT, SEYED MOHAMMAD BAGHER NABAVI, and EBRAHIM RAJABZADEH, “APPLICATION OF BIOLOGICAL INDICATORS IN THE ASSESSMENT OF WATER POLLUTION IN CHAF WETLAND IN GUILAN PROVINCE USING WELCH MODEL,” JOURNAL OF WETLAND ECOBIOLOGY, vol. 4, no. 14, pp. 5–17, 2013, [Online]. Available: https://sid.ir/paper/174761/en

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