School of Biological Sciences |
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Natural Resources: depletion, pollution and toxicology[ BIOL202 Home | Aquabiology at Liverpool ] |
The overheads used in the lecture are available here as a Word file
Supplementary information on sludge and its disposal are available here
Oestrogenic compounds passing through sewage works can alter the physiology of organisms in the environment, in some rivers this has caused male fish to change so that their gonads contain female tissue. This is a condition known as intersex caused by 'Endocrine Disruption'.
Some fish from the Mersey Estuary exhibit symptoms of Endocrine Disruption although it has still not been linked to a specific cause. Information & links are available here