Toxicity of Phenantherene Experiment

Published: 2021-06-29 06:55:01
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Name: Professor:Course:Date:Toxicity of Phenanthrene ExperimentAbstractPhenanthrene (PAH) is one of the toxic contaminants that are abundant in the aquatic systems. Phenanthrene is a polycyclic aromatic hydrocarbon. There have been many experiments that have done to investigate the toxicity of any PAH compound. In a marine ecosystem, the effects of PAH is seen in growth, oxygen uptake, development, and reproduction. This compound greatly affects the life of aquatic animals. The paper seeks to study the toxicity of this compound in the aquatic ecosystem considering the three trophic levels in the ecosystem. The experiment involves exposing the organisms to Phenanthrene concentrations for three weeks.Syanchoccous algae is a cyanobacteria that can be found in sea and freshwater ecosystems. It is produces about 25% of primary food to the marine environment. The species can bloom in waters with high nutrient value. It is known as blue algae. They need light for photosynthesis. The concentration of Phenanthrene in water is a potential risk to the algae. As the level of Phenanthrene increase in the water, it is taken up by the algae thus resulting to toxicity (Nour & Abdel 10)Killifish embryos are very useful in understanding the toxicity of various compounds in the aquatic ecosystems. There are killifish in Qatar, and it is known as Arabian killifish (Riesch, Tobler, & Plath 5). It is mostly found in the Arabian Gulf. A fish embryo test is often developed. The experiment uses different killifish that are sexually mature. Different ages are used in the egg production. The eggs are placed in salty water to be fertilized. The embryos are observed using dissecting microscopes. The eggs that are exposed to PAH are often thickened, lack any heartbeat, experienced delayed hatching or had deformed tail.

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