Losing Life
Sensitive organisms die off with increased land use. For more information, see Land Use and Stream Health and What is Stream Health?
Wild (reference)
A typical stream in a wild (reference) watershed contains 12 different types of sensitive organisms:
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| Upper Doyles River |
Rural
A typical stream in a rural watershed contains 8 different kinds of sensitive organisms:
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| Moormans River |
Exurban
A typical stream in an exurban watershed contains 7 different kinds of sensitive organisms:
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| Mechunk Creek |
Suburban
A typical stream in a suburban watershed contains 5 different kinds of sensitive organisms:
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| Ivy Creek |
Urban
A typical stream in an urban watershed contains 1 kind of sensitive organism.
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| Meadow Creek |