Recreational Water Quality: Pathogens & Poop скачать в хорошем качестве

Recreational Water Quality: Pathogens & Poop

Recreational waters, like pools, beaches, lakes, and rivers, can contain microorganisms that can make you sick. This video describes examples of different pathogens, sources of fecal contamination, exposure routes, and ways to avoid getting sick. Next, the video summarizes how scientists test for unsafe recreational waters using indicator bacteria. Want to try counting bacteria colonies? Use the link to access the worksheet: http://mera.marine.usf.edu/wp-content... and the answer key: http://mera.marine.usf.edu/wp-content... . These outreach materials are intended for ages 13 and up. This video was inspired by the MERA Investigation, and is among several other web-based outreach activities. The MERA Investigation is an innovative, beach water quality investigation that considers human behavior, water quality, and human health. This US National Science Foundation funded research aims to improve beach management and protect public health. To learn more about the MERA Investigation and access all of the outreach materials, check out www.usf.edu/mera. Outline: Introduction: 0-1:47 Pathogens: 1:37-7:41 Sources: 7:42-8:30 Exposure: 8:31-10:25 Prevention: 10:25-11:32 Indicator bacteria: 11:32-13:50 Testing for indicator bacteria: 13:50-15:18 More info, acknowledgements, sources: 15:18-15:52