Third-+and+Fourth-Order

Third and Fourth Order Streams Third order streams are made when two second order streams flow together.



A fourth order stream is made when two third order streams flow together.

= Third Order Streams: = Definition: A stream formed by the confluence of two second order streams, or of a second order stream and a third order stream.
 * Also known as headwater streams.
 * Plants and game fish often dominate.

= Fourth Order Streams: = Cited from: http://geography.about.com/od/physicalgeography/a/streamorder.htm
 * Unlike the smaller order streams, these medium and large rivers are usually less steep and flow slower. They do however tend to have larger volumes of runoff and debris as it collects in them from the smaller waterways flowing into them.
 * Plants and game fish often dominate.

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