季节变化和环境因素对土耳其Çanakkale海峡Çardak泻湖生物指示菌水平的影响

IF 0.9 4区环境科学与生态学 Q4 OCEANOGRAPHY

Oceanological and Hydrobiological Studies Pub Date : 2021-09-01 DOI:10.2478/oandhs-2021-0025

Ibrahim Ender Künili, A. Suat Ateş

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引用次数: 1

摘要

Çardak泻湖是土耳其海峡系统中最重要的海洋环境之一，是多种生物的家园。泻湖目前面临压力，面临严重污染的风险。因此，本研究对泻湖的现状进行了监测。在2018年10月至2019年6月的采样期间，指示微生物的水平波动至4.04 Log10 cfu 100 ml−1，并且在温暖的季节发现它们的存在更高。总大肠菌群水平与盐度和化学需氧量呈最高正相关，而粪便大肠菌群水平与pH和温度呈最高负相关。大肠杆菌和粪便链球菌在各个季节与环境因子呈中等相关性。亚硝酸盐和硝酸盐(NO2 + NO3)与细菌水平无显著相关，但呈升高趋势。Çardak泻湖的微生物和化学质量在夏季最低，这种情况持续到秋季，这可能是废水排放增加和人类活动的结果。因此，应定期监测泻湖，并采取预防措施，防止严重的生态恶化。

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Effects of seasonal changes and environmental factors on bioindicator bacteria levels in Çardak Lagoon, Çanakkale Strait, Turkey

Abstract Çardak Lagoon is one of the most important marine environments in the Turkish Strait system, which is home to a variety of organisms. The lagoon is currently under stress and faces the risk of heavy pollution. For this reason, the present state of the lagoon was monitored in this study. During sampling from October 2018 to June 2019, the levels of indicator microorganisms fluctuated up to 4.04 Log10 cfu 100 ml−1 and their presence was found to be higher in warmer seasons. The highest positive correlations were observed for total coliform levels with salinity and chemical oxygen demand, whereas the highest negative correlations were found between the levels of fecal coliforms, pH and temperature. E. coli and fecal streptococci showed moderate correlations with the environmental factors in all seasons. Although nitrite and nitrate (NO2 + NO3) were not significantly correlated with bacteria levels, they were present at elevated levels. Çardak Lagoon showed the lowest microbiological and chemical quality in the summer season, and this situation continued into the autumn season as a possible result of increased wastewater discharge and human activities. The lagoon should therefore be monitored regularly and precautions should be taken to prevent severe ecological deterioration.

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来源期刊

Oceanological and Hydrobiological Studies 地学-海洋学

CiteScore

1.70

自引率

11.10%

发文量

审稿时长

>12 weeks

期刊介绍： Oceanological and Hydrobiological Studies is an international journal published by the Institute of Oceanography, University of Gdańsk in Poland. The journal has 4 issues per year and contains papers on all aspects of the marine environment and hydrobiology. All manuscripts are reviewed by editors and independent experts. Based on the referees'' recommendations, the Editor will make a decision on whether to accept a contribution. All articles are published in English. The journal is open to all matters concerning the water environment, thus providing the readers with a wide spectrum of topics in every issue.