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Diseases Harbored in Aquatic Systems

This document outlines the dynamics of disease spread in aquatic systems, focusing on the alarming botulism outbreaks in Lake Erie as documented by Fuentetaja (2006). It examines how aquatic diseases proliferate through the movement of organisms and human intervention, highlighting the ecological stressors that contribute to organisms like *C. botulinum*. The conclusion emphasizes the rising incidents of anoxia leading to dangerously suitable conditions for botulism and suggests potential solutions such as reducing nutrient loading and monitoring aquaculture practices to alleviate human impact on aquatic health.

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Diseases Harbored in Aquatic Systems

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  1. Diseases Harbored in Aquatic Systems Kelsey Friemoth

  2. Outline • Introduction to spread of aquatic diseases • Pathways to spread of diseases (Peeler, 2011) • Data from Fuentetaja’s article from 2006 about botulism outbreaks in Lake Erie. • Conclusion of botulism outbreaks • Possible solutions

  3. Introduction to the spread of diseases in aquatic systems • Diseases can be spread through • Movement of fish, birds, and invertebrates changing their location • Movement of aquatic organisms from one area to another by humans • Destruction of habitats due to land alterations by humans (stress on organisms) • Creation of habitats for organisms that carry parasites, diseases, and vectors by humans

  4. Conclusion of botulism study • Lake Erie has increasingly often occurrences of anoxia • Settling of organic matter when nutrients run out during late summer • Both create an environment for C. botulinum growth • Toxin spreads from invertebrates to fish to birds and cause mass deaths

  5. Possible Solutions • Lessen human impact on lake and river quality (ex: attempt to decrease nutrient loading) • Monitor movement of aquaculture organisms • Set fines for release of aquatic organisms (accidental or not)

  6. Thank you! • Questions?

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