By Sir Hugh Fish (auth.), M. Munawar, G. Dixon, C. I. Mayfield, T. Reynoldson, M. H. Sadar (eds.)
Read or Download Environmental Bioassay Techniques and their Application: Proceedings of the 1st International Conference held in Lancaster, England, 11–14 July 1988 PDF
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Additional resources for Environmental Bioassay Techniques and their Application: Proceedings of the 1st International Conference held in Lancaster, England, 11–14 July 1988
Since perfect prediction is not attainable here we will discuss the utility of predicting chronic effects of chemicals on individuals, populations, communities and ecosystems from information obtained in short-term (acute) laboratory exposures and we discuss the feasibility of assays which can be used to adequately protect aquatic communities from the adverse effects of chronic exposures to toxicants (Stephan, 1986). We realize that we cannot expect to be able to predict the effects of many toxicants on ecosystem function from simple, single-species bioassays (Cairns, 1988).
19-26. Wall, T. M. & R. W. Hanmer, 1987. Biological testing to control toxic water pollutants. J. W at. Pollut. Cont. Fed. 59: 7-12. Webster, J. , 1979. Hierarchical organization of ecosystems. In A. , Theoretical Systems Ecology. : 119-121. Hydrobiologia 188/189: 21-60, 1989. M. Munawar. G. Dixon. C. I. Mayfield. T. Reynoldson and M. H. Sadar (eds) Environmental Bioassay Techniques and their Application. © 1989 Kluwer Academic Publishers. 21 Recent developments in and intercomparisons of acute and chronic bioassays and bioindicators John P.
This is a method of assessing and Dose-dose rate The responses of organisms to toxicants can change during the exposure such that chronic exposure will result in responses which could not be predicted from acute exposures. These effects are generally due to induction of enzymes, changes in substrates or exhaustion of a supply of enzyme or substrate. Examples of the former would be the induction of the mixed function oxygenase (MFO) system by compounds such as polychlorinated biphenyls (PcB s) or polycyclic aromatic hydrocarbons (PAH), or the induction ~~ w V) 0 0 __.
Environmental Bioassay Techniques and their Application: Proceedings of the 1st International Conference held in Lancaster, England, 11–14 July 1988 by Sir Hugh Fish (auth.), M. Munawar, G. Dixon, C. I. Mayfield, T. Reynoldson, M. H. Sadar (eds.)