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An Ecological Overview of the Potomac River Valley. Dann Sklarew EVPP692/991. Stream Food Web - Overview. River Continuum Concept. Sources of food for consumers change as stream order increases due mainly to physical factors like stream width and depth
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An Ecological Overview of the Potomac River Valley Dann Sklarew EVPP692/991
River Continuum Concept Sources of food for consumers change as stream order increases due mainly to physical factors like stream width and depth Consumer populations respond in a predictable manner as stream order increases reflecting changes in their food supply: in stream algae vs. local CPOM vs. upstream FPOM
What about the photobionts? • Where are they? • How are they distributed in the watershed? • How have they structured these ecosystems?