1 / 6

More About Pollution

More About Pollution. Done by: Tin Wei Heng. What is pollution?. Pollution is the presence or introduction of a substance or thing into an environment. This substance is harmful to that environment and can upset that environment and its ecosystem. What are bio indicators.

jud
Download Presentation

More About Pollution

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. More About Pollution Done by: Tin Wei Heng

  2. What is pollution? • Pollution is the presence or introduction of a substance or thing into an environment. This substance is harmful to that environment and can upset that environment and its ecosystem

  3. What are bio indicators • Bioindicators are species used to monitor the health of an environment or ecosystem • Bio indicators include both plants and animals. • Plants that are bio indicators include:mosses, lichen,tree bark, bark pockets, tree rings ,leaves and fungi. • An increase or decrease in animal population can also be used as bio indicators.

  4. Bioamplification • Bioamplification is the increase in concentration of a substance,such as pesticide, that occurs in a food chain as a consequence of: 1.Persistence(cant be broken down by environmental proccesses 2.Food Chain energetics 3.Low rate of internal degradation • Substances in bioamplification,such as pesticides,can harm animals in an ecosystem by polluting their environment

  5. Bioaccumulation • Bioaccumulation refers to the accumulation of substances, such as pesticides, or other organic chemicals in an organism • Bio accumulation occurs when an organism absorbs a toxic substance more than it loses that substance.

  6. Importance of minimizing pollution • By minimizing pollution: 1.Ecosystems around the world will be normal and will not be polluted 2.Many animals that are vital to the world’s ecosystem will not dwindle 3.

More Related