Stream+Order4

= Stream Order =

 What is stream order  Stream Order is tiny channels called rills. A Rill is: a narrow and shallow incision into soil from erosions overland flow that has been focused into a thin threaded by soil surface. Stream order is a measure of the relative size of streams. The smallest tributaries are referred to as first-order streams, while the largest river in the world, the Amazon, is a twelfth-order waterway. First- through third-order streams are called headwater streams. Over 80% of the total length of Earth's waterways are headwater streams. Streams classified as fourth- through sixth-order are considered medium streams. A stream that is seventh-order or larger constitutes a river.



 How does the factor affect wildlife The size and order of a stream relates directly to the organisms in that habitat. First order stream are home to the large insects, and if any fish. Plants and game fish are in the 3rd and 4th order streams. Larger streams contain diverse populations of algae, fish, and other organisms.

 Human activities that impacted Stream Order People are building dams that are stopping the water. People are alternating the course of the water. People are also taking water out for industrial purposes and for drinking purposes.