Wednesday, May 11, 2011

Rocky Branch Corridor and Stream: NCSU Campus - Zack Combs


After making a trip to Fayetteville to visit the Botanical Gardens only to have it rain, I decided to blog about the Rocky Branch corridor here on campus. I had visited the creek before but in doing this project I learned a great deal about the restoration. Years ago stormwater runoff from urbanization (construction, roads, etc.) was eroding the stream in a detrimental way. NCSU launched a three-phase restoration project to improve the water quality and habitat of the corridor as well as the aesthetic value. All natural materials are used to prevent erosion on the banks of the stream and provide cover for wildlife.

While on my excursion I became aware of the purpose and functionality of the multiple parts of a stream. Meanders disperse the energy of the stream while creating deeper, cool pools for fish to thrive in. Streams have riffles as well which are shallower and contain invertebrates, the base of the food chain. Aside from the stream, another vital part of the restoration includes the containment of stormwater runoff. Instead of letting the stormwater run wild into whichever drain it may go, a stormwater pond and raingardens have been constructed (it took me forever to find the pond...).

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