Survival and reproduction of some blue-green and green algae as affected by sewage water, fertilizer factory effluent, brassica oil, phenol, toluene and benzene
Jazyk angličtina Země Spojené státy americké Médium print-electronic
Typ dokumentu časopisecké články
- MeSH
- benzen farmakologie MeSH
- chemické látky znečišťující vodu farmakologie MeSH
- Chlorophyta účinky léků fyziologie MeSH
- fenol farmakologie MeSH
- odpadní vody analýza MeSH
- organické látky farmakologie MeSH
- průmyslový odpad analýza MeSH
- rozmnožování účinky léků MeSH
- spory účinky léků fyziologie MeSH
- toluen farmakologie MeSH
- Publikační typ
- časopisecké články MeSH
- Názvy látek
- benzen MeSH
- chemické látky znečišťující vodu MeSH
- fenol MeSH
- odpadní vody MeSH
- organické látky MeSH
- průmyslový odpad MeSH
- toluen MeSH
Fourteen blue-green and green algae survived for widely different time periods ranging between 22-102 d in control culture medium. Irrespective of their long or short survival period in control cultures, their pro- or eukaryotic nature, their different morphological types or natural habitats, they all survived for a short time period ranging between 3-8 d in sewage water, 5-10 d in fertilizer factory effluent, (1/4)-2 d in brassica oil, (1/2)-2 d in phenol, 1-3 d in toluene, and 1-4 d in benzene (showing the relative toxicity of different chemicals to different algae, and the antialgal nature of brassica oil). Dilution decreased the toxicity of these agents very little, indicating that they all were very toxic to algae. None of the agent induced the formation of any reproductive or dormant cells. Sewage water, fertilizer factory effluent, brassica oil and/or benzene favored the formation of necridia cells in Phormidium bohneri, P. foveolarum, Microcoleus chthonoplastes, Lyngbya birgei, and L. major filaments. Scenedesmus quadricauda shed off all spines earlier, Hormidium flaccidum fragmented less or not at all, Scytonema millei formed no false branch and heterocyst, Aphanothece pallida and Gloeocapsa atrata cells did not divide, Cosmarium granatum cells did not form any zygospore and Oedogonium sp. not any oogonia-like cells under all or most of treatments with 25-100 % sewage water, 1-100 % fertilizer factory effluent, 1-100 % brassica oil, 25-100 % phenol, toluene and benzene.
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