Effects of increasing levels of pharmaceutical penicillin G contamination on structure of free living nematode communities in experimental microcosms
Keywords: تعداد گونه ها; D; dose; Hâ²; index of species diversity; d; index of species richness; J; equitability or “evenness” Pielou; S; number of species; Free living nematodes; Sediment; Penicillin G; Contamination; Microcosms;