Avtor/Urednik		Firbas, Peter
Naslov		A survey of Allium cepa L. chromosome damage in slovenian environmental water, soil and rainfall samples
Tip		članek
Vol. in št.		Letnik 2, št. 1
Leto izdaje		2015
Obseg		str. 62-83
Jezik		eng
Abstrakt		Present stud y covers many sources of drinking water in Slovenia (SI) , surface waters, and waters during the period from 1998 to 2013. The freshwater samples studied are grouped into six main categories: waters used for drinking, standing surface waters, flowing surfa ce waters, waters surrounding the earth particles, rainfall waters, waste waters before entering the water cleaning plants (WCP) and waste waters after being processed by the WCP and constructed wetlands (CW). With Allium cepa L. test the study proved th e potential cytotoxical, and genotoxical substances in the samples taken from the environment. The biomarkers in this Allium metaphase (M) test are the metaphasic chromosomes damages (CsD) in the root cells of the test plant A. cepa L. The comparison bet ween the uncontaminated environmental samples and the negative control is not statistically significant ( p = 0.7709 >0.05). The highly contaminated environmental samples and the positive control (PC) are statistically significantly different ( p = 0.0059 < 0.01), while the moderately contaminated environmental samples do not significantly differ from the positive control ( p = 0.1412 > 0.05). A great difference takes place between the inputs into the water cleaning plants and their cleaned output water ( p = 3.1e - 11 < 0.0001). The Fisher's Exact Test is used for statistical calculations of the research results. In the 2x2 frequency tables, the p - value determines the statistical characteristics or non - characteristics of two categorical patterns.
Proste vsebinske oznake		drinking water water cleaning wetlands pitna voda čiščenje vode mokrišča