MONITORING CHANGES IN ACCUMULATION OF HEAVY METALS IN THE EGYPTIAN DELTA REGION IN 2010 AND 2021, USING THE CRAYFISH PROCAMBARUS CLARKII (GIRARD, 1852) (DECAPODA, ASTACIDEA) AS A BIO-INDICATOR

被引：0
作者：
Younis, Mai L. [1 ]
Mona, Mahy M. [1 ]
Rizk, El-Sayed T. [1 ]
Atlam, Aalaa I. [1 ]
机构：
[1] Tanta Univ, Fac Sci, Zool Dept, Tanta 31527, Egypt
来源：
CRUSTACEANA | 2022年 / 95卷 / 07期
关键词：
RIVER NILE; WATER-QUALITY; SURVIVAL; CADMIUM; TISSUES; COPPER;
D O I：
10.1163/15685403-bja102200
中图分类号：
Q17 [水生生物学];
学科分类号：
071004 ;
摘要：
Accumulation of heavy metals in tissues of the crayfish Procambarus clarkii and in water were evaluated in areas located in the Egyptian Delta (Gharbiya, Kafr El-Shaikh, and Menofiya) in 2010 and 2021. Statistics showed that in 2010 the highest concentration of heavy metals in the digestive gland and in muscles was Zn, both in Gharbiya and Menofiya, while Fe was the highest accumulated in the digestive gland, and Pb was the highest in muscles of samples from Kafr El-Shaikh. The results showed that heavy metal loads decreased in Kafr El-Shaikh in 2021, whereas Fe increased significantly (p <= 0.05) in Gharbiya and Menofiya (41.44 +/- 2.32, 47.25 +/- 2.64 mu g/g). Accumulation of Cd and Zn in gills and muscles decreased in all areas from 2010 to 2021, while a significant increase (p <= 0.05) was shown in Fe and Cu in 2021. All heavy metals significantly decreased (p <= 0.05) in waters of the studied areas from 2010 to 2021.
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收藏
页码：763 / 778
页数：16
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