When should you fix a stream
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When should you fix a stream???? PowerPoint PPT Presentation


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When should you fix a stream????. Let’s look closer at this one. Susquehanna River with Interstate 88 at top of slope. McKinstry Creek existing planform, three bends and 2 crossings over 540 ft of length. Only one good habitat pool. Note 300 ft long straight stretch.

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When should you fix a stream????

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When should you fix a stream

When should you fix a stream????

Let’s look closer at this one


Susquehanna river with interstate 88 at top of slope

Susquehanna River with Interstate 88 at top of slope


When should you fix a stream

McKinstry Creek existing planform, three bends and 2 crossings over 540 ft of length. Only one good habitat pool. Note 300 ft long straight stretch.


When should you fix a stream

McKinstry Creek near Delevan, NY, 5-18-2006, flow left to right

New channel planform (blue line)


When should you fix a stream

Looking DS, Elton Creek, Freedom, NY. Floodplain on both sides has been filled, stream straightened. At 30 ft wide no habitat pools, when stream is 20 ft wide 2 ft deep pools with 40-50 trout per pool!!

What should we do???

(Elton Creek, Freedom, NY)

Looking Downstream

Photo by Maureen Mayer


When should you fix a stream

What do we do here???? (North Carolina)


What about here north carolina

What about here?? (North Carolina)


What about this stream west virginia

What about this stream?? (West Virginia)


Same stream west virginia

Same Stream (West Virginia)

  • Straightened

  • Incised

  • Over - widened

  • Very little pool-riffle-pool

  • Very little wood in stream or high quality aquatic habitat (cover, depth, etc)

  • Single row of ageing veg as riparian corridor


Same stream west virginia lots of room in the valley

Same Stream (West Virginia) Lots of room in the valley


Abandon channel start fresh

Abandon channel, start fresh!!

Transform old channel into connected wetland cells

  • Use dirt from new channel to create wetland cells in old channel (maximize diversity)

  • Use some old veg for LWD in new channel

  • Plant all riparian areas (shade, wildlife, pollinators)

  • Maximize all stream functions

New stream channel with all bells & whistles


Active headcut do which first bank stabilization or grade stabilization

Active headcut. Do which first, bank stabilization? Or grade stabilization????


This is where the headcut has been

This is where the headcut has been


Stream cutting into a tall unstable bank

Stream cutting into a tall unstable bank


Bob s creek where to start

Bob’s Creek. Where to start??


What about this one

What about this one??

House here


When should you fix a stream

In stream restoration “you have to have that brain thing going on !!


Questions

QUESTIONS????


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