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Explain the effect that special scale may have on diversity-disease ecology. Consider studies where spatial scale...

Explain the effect that special scale may have on diversity-disease ecology. Consider studies where spatial scale has and has not played a part in infectious diseases.

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The spatial scale or the size of the area that is studied moderates the shape of the diversity-disease ecology. It has been observed that the presence of different hosts in a particular area halts the spread of a pathogen. Hence concluding that biodiversity or 'dilution' have a negative impact on the spread on the disease. However, it should be kept in mind that the spatial scale is critical when determining the effect of biodiversity on diseases.

The local scales shows a decrease in the spread on the disease while the regional scale shows an increase in the spread of a disease when the biodiversity in both these regions is present. Thus, the spatial scale that is being observed is crucial when determining the relationships of a population and a disease.

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