All predictive toxicological models concern individual chemicals. An exposure to a mixture of chemicals is the reality, however. Toxicity of an individual chemical itself or in a mixture with other chemicals may significantly differ. The presentation shows our attempt to find a suitable model for a prediction of acute toxicity of binary mixtures of organic chemicals. We have suggested a molar r...

The restoration of degraded ecosystems and landscapes is challenging, because returning to the original state often socio-economically unfeasible. A novel approach construct new improve functioning landscapes. However, development largely driven by pre-construction hydrogeophysical ecological conditions soil. In Lake Markermeer, a deteriorating freshwater lake in Netherlands, large archipelago ...

ABSTRACNilem fish (Osteochilus hasselti) is a freshwater native to Indonesia which greatly appreciated by the public its eggs and larvae, morphology of nilem has flat body form, mouth can be ripped off. The purpose this study was determine best phase silk worm (Tubifex sp.) in growth rate survival seeds hasselti). This research took place from November December 2021. located Petuguran Village, ...