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排序方式: 共有248条查询结果,搜索用时 15 毫秒
1.
Lokman Shamsudin Azis Awang Azmi Ambak Sakri Ibrahim 《Environmental monitoring and assessment》1996,40(3):303-311
Red tide of dinoflagellate was observed in brackish water fish ponds of Terengganu along the coast of the South China Sea during the study period between January 1992 to December 1992. The nearby coastal moat water facing the South China Sea is the source of water for fish pond culture activities of sea bass during the study period. An examination of water quality in fish ponds during the study period indicated that both the organic nutrients were high during the pre-wet monsoon period. The source of the nutrients in coastal water was believed to be derived from the agro-based industrial effluents, fertilizers from paddy fields and untreated animal wastes. This coincided with the peak production of dinoflagellate in the water column in October 1992. The cell count ranges from 8.3 to 60.4×10.4×104/l during the bloom peak period and the bloom species were compared entirely of non-toxic dinoflagellates with Protoperidinium quinquecorne occurring >90% of the total cell count. However, both cultured and indigenous fish species were seen to suffer from oxygen asphyxiation (suffocation due to lack of oxygen). The bloom lasted for a short period (4–5 days) with a massive cell collapse from subsurface to bottom water on the sixth day. The productivity values ranged from 5–25 C g/ l / h with a subsurface maximum value in October 1992. Two species of Ciliophora, Tintinnopsis and Favella, were observed to graze on these dinoflagellates at the end of the bloom period. 相似文献
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M.I. Yousef M.H. Salem H.Z. Ibrahim S. Helmi M.A. Seehy K. Bertheussen 《Journal of environmental science and health. Part. B》2013,48(4):513-534
Abstract The present study was undertaken to investigate the effect of chronic treatment with two sublethal doses of Carbofuran (carbamate insecticide) and Glyphosate (organophosphorus herbicide) on body weight and semen characteristics in mature male New Zealand white rabbits. Pesticide treatment resulted in a decline in body weight, libido, ejaculate volume, sperm concentration, semen initial fructose and semen osmolality. This was accompanied with increases in the abnormal and dead sperm and semen methylene blue reduction time. The hazardous effect of these pesticides on semen quality continued during the recovery period, and was dose‐dependent. These effects on sperm quality may be due to the direct cytotoxic effects of these pesticides on spermatogenesis and/or indirectly via hypothalami‐pituitary‐testis axis which control the reproductive efficiency. 相似文献
4.
Heavy metal contamination in sediments of the Karasu spring was investigated in the presented study. In this respect, sediment
samples were collected from contaminant sites along the spring starting from the spring water manifestation site, base of
the Akkaya dam to the dam exit site. Heavy metal concentrations were determined by X-ray Fluorescence Spectrometer. Cobalt,
copper, arsenic, tin, nickel, zinc, cadmium, lead, aluminum, iron, titan, chromium and manganese contents of the Karasu creek
sediments are found as 18.30–69.00, 12.40–595.0 5.50–345.3, 5.80–15.1, 10.9–64.1, 28.90–103,300, 4.1–356.2, 7.70–37,840, 13,460–109,400,
11,740–62,900, 22.18–59.04, 41.70–369 and 12.09–3,480 mg/kg, respectively. Results indicate the presence of a contamination
in the Karasu creek. All the metal concentrations were found to be exceeding their acceptable limit values. Eutrophication
is developed in the Karasu creek and the Akkaya dam. It is thought that heavy metal accumulation in the creek is originated
from discharge from mine quarries, industrial and domestic wastes. Protection zones should be defined and all necessary measures
must be taken along the Karasu creek. 相似文献
5.
Arunachalam Thangakumar Khader Syed Zameer Ahmed Syed Zameer Ahmed Sidhra Vetrivel Manimaran Syed Ameen Syed Tajudeen Ameer Khadharu Ibrahim Sheriff Prabhu Puniethaa Jayachandran Philp Robinson M. Sabu Dastageer 《Environmental science and pollution research international》2020,27(9):9058-9058
Environmental Science and Pollution Research - The correct presentation of the Author names are shown in this paper. 相似文献
6.
Adelodun Bashir Ajibade Fidelis Odedishemi Ibrahim Rahmat Gbemisola Ighalo Joshua O. Bakare Hashim Olalekan Kumar Pankaj Eid Ebrahem M. Kumar Vinod Odey Golden Choi Kyung-Sook 《Journal of Material Cycles and Waste Management》2021,23(6):2077-2086
Journal of Material Cycles and Waste Management - The recent emergence of the COVID-19 pandemic has contributed to the drastic production and use of healthcare and personal protective equipment,... 相似文献
7.
Hassan Nadira Mansour Abu-Elenin Mira M. Elsallamy Rania M. Kabbash Ibrahim A. 《Environmental science and pollution research international》2020,27(30):37557-37564
Environmental Science and Pollution Research - Resident physicians are the first-line health service providers, subjected to prolonged working hours, sleep deprivation and high job demands. Work... 相似文献
8.
Lu Yaobin Abu-Reesh Ibrahim M. He Zhen 《Environmental science and pollution research international》2016,23(17):17236-17245
Environmental Science and Pollution Research - Microbial desalination cells (MDCs) have been studied for contaminant removal from wastewater and salinity reduction in saline water. However, in an... 相似文献
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10.
Malki Zohair Atlam El-Sayed Ewis Ashraf Dagnew Guesh Ghoneim Osama A. Mohamed Abdallah A. Abdel-Daim Mohamed M. Gad Ibrahim 《Environmental science and pollution research international》2021,28(30):40496-40506
Environmental Science and Pollution Research - COVID-19 was first discovered in Wuhan, China in December 2019. It is one of the worst pandemics in human history. Recent studies reported that... 相似文献