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Bioengineering & “Funnel” Strategy Nichols Road Bridge, Onondaga Creek, NY A completed project needed some “tweaking” and veg. Top bank stone.

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Presentation on theme: "Bioengineering & “Funnel” Strategy Nichols Road Bridge, Onondaga Creek, NY A completed project needed some “tweaking” and veg. Top bank stone."— Presentation transcript:

1 Bioengineering & “Funnel” Strategy Workshop @ Nichols Road Bridge, Onondaga Creek, NY A completed project needed some “tweaking” and veg. Top bank stone was removed the week before. All stone placement & planting occurred on Tuesday May 15, 2007.

2 County public works had straightened the stream WITH STACKED STONE WALLS (red lines), stream response WAS TO FLANK BOTH SIDES AT THE UPSTREAM END OF THE STRAIGHTENED HARDENED REACH

3 Onondaga Creek @ Nichol Road Bridge, LaFayette, NY – project planted 5-15-2007 PLANT PLANTS WITH LARGE YELLOW MACHINES

4 Onondaga Creek @ Nichol Road Bridge, LaFayette, NY – project planted 5-15-2007 Looking US at right bank. Pix by Derrick

5 TWO-STAGE SLIT TRENCH TECHNIQUE Sketches by Derrick Dig the trench down into the capillary (vadose) zone {moist area above the permanent water table} Mini-Case study: 1 of 16 Spoil

6 Onondaga Creek @ Nichol Road Bridge, LaFayette, NY – project planted 5-15-2007 Rubber tired backhoe digs 4-5 ft deep trench with a narrow bucket. Pix by Bill Frederick Mini-Case study: 2 of 16

7 TWO-STAGE SLIT TRENCH TECHNIQUE Water table Mini-Case study: 3 of 16

8 TWO-STAGE SLIT TRENCH TECHNIQUE Vadose zone {moist area} is shown in pink Mini-Case study: 4 of 16 Water table

9 TWO-STAGE SLIT TRENCH TECHNIQUE Take the last scoop of soil dug from the trench & place it back into the trench. Mini-Case study: 5 of 16

10 TWO-STAGE SLIT TRENCH TECHNIQUE Place willows & other water-loving species into loose soil at bottom of trench. They are then less likely to fall over when trench is backfilled. Mini-Case study: 7 of 16

11 Onondaga Creek @ Nichol Road Bridge, LaFayette, NY – project planted 5-15-2007 Many hands get things done quickly, 2,740 plants planted in about 6 hours. That’s why they call it a workshop. Pix by Derrick

12 TWO-STAGE SLIT TRENCH TECHNIQUE Partially backfill the trench. Mini-Case study: 9 of 16

13 TWO-STAGE SLIT TRENCH TECHNIQUE Plant other species that require less water than the willow. In this case Sycamore & Red Osier Dogwood Mini-Case study: 11 of 16

14 Onondaga Creek @ Nichol Road Bridge, LaFayette, NY – project planted 5-15-2007 Partially backfill, then plant species that require less water (Red Osier Dogwood & Sycamore). Pix by Derrick Mini-Case study: 10 of 16

15 TWO-STAGE SLIT TRENCH TECHNIQUE Completely backfill trench & water plants in Mini-Case study: 13 of 16 DONE

16 Onondaga Creek @ Nichol Road Bridge, LaFayette, NY – project planted 5-15-2007 Backfill using either the bulldozer…..Pix by Derrick Mini-Case study: 14 of 16

17 Onondaga Creek @ Nichol Road Bridge, LaFayette, NY – project planted 5-15-2007 Pix by Derrick ONE TRENCH DONE, MORE TO GO Mini-Case study: 16 of 16

18 Onondaga Creek @ Nichol Road Bridge, LaFayette, NY – project planted 5-15-2007 Slit Trenches on the grid pattern. Pix by Derrick

19 Onondaga Creek @ Nichol Road Bridge, LaFayette, NY – project planted 5-15-2007 LET’S SEE HOW IT GROWS

20 Onondaga Creek @ Nichol Road Bridge, LaFayette, NY – project planted 5-15-2007 BEFORE 5-15-2007 8:00am. Pix by Derrick

21 Black Willow, Streamco Willow, Red Osier Dogwood & Sycamore were planted using the Slit Trench bioengineering method. 40 RPM container plants (7 species of trees & shrubs) were planted in the green oval areas. Plantings form a grid to flow. No matter how water flows through the project, it encounters rows of vegetation (Living Dikes)

22 Onondaga Creek @ Nichol Road Bridge, LaFayette, NY – project planted 5-15-2007 AFTER 5-15-2007 NOON. Pix by Derrick

23 Onondaga Creek @ Nichol Road Bridge, LaFayette, NY – project planted 5-15-2007 Aug 3, 2007 Less than 3 months after installation. Looking US at right bank floodplain. Pix by Mark Schaub

24 Onondaga Creek @ Nichol Road Bridge, LaFayette, NY – project planted 5-15-2007 Aug 3, 2007 {less than 3 months after installation}. Looking US at right bank floodplain. Pix by Mark Schaub

25 Onondaga Creek @ Nichol Road Bridge, LaFayette, NY – project planted 5-15-2007 Aug 3, 2007 {less than 3 months after installation}. Looking US at right bank floodplain. Pix by Mark Schaub

26 Onondaga Creek @ Nichol Road Bridge, LaFayette, NY – project planted 5-15-2007 Sept 10, 2007 {less than 4 months after installation}. Looking US at right bank floodplain. Pix by Mark Schaub

27 Onondaga Creek-Year 2 July 10, 2008. {middle of second growing season} Looking at Slit Brush Layering (right bank). Pix by Derrick

28 Onondaga Creek-Year 2 July 10, 2008. {middle of second growing season} Right overbank lush growth, average height is 7 to 9 ft tall. Pix by Derrick

29 2 YEARS & 1 MONTH AFTER PROJECT COMPLETION Photos by Derrick JUNE 18, 2009

30 2 YEARS & 1 MONTH LATER-Looking US @ the planted floodplain (Mark hidden in plants). Very lush growth, dense as desired from a hydraulic point of view. 2 YEARS & 1 MONTH LATER-Onondaga Cr.@ Nichol Rd Bridge-DERRICK 6-18-09

31 2 YEARS & 1 MONTH LATER-Deer browse has not had much effect on project function either. 2 YEARS & 1 MONTH LATER-Onondaga Cr.@ Nichol Rd Bridge-DERRICK 6-18-09

32 2 YEARS & 1 MONTH LATER-Mark with 10-14 ft tall willow. 2 YEARS & 1 MONTH LATER-Onondaga Cr.@ Nichol Rd Bridge-DERRICK 6-18-09

33 3 YEARS AFTER PROJECT COMPLETION Photos by Derrick JULY 21, 2010 2 YEARS & 1 MONTH LATER-Onondaga Cr.@ Nichol Rd Bridge-DERRICK 6-18-09

34 3 YEARS LATER-Looking US @ robust floodplain bench growth 3 YEARS LATER-Onondaga Cr.@ Nichol Rd Bridge-DERRICK 7-21-2010

35 3 YEARS LATER-Robust streamside growth!!! 3 YEARS LATER-Onondaga Cr.@ Nichol Rd Bridge-DERRICK 7-21-2010

36 Onondaga Creek @ Nichol Road Bridge, LaFayette, NY – project planted 5-15-2007 PHASE 4: LEFT BANK REVEGETATION-SLIT BRUSH LAYERING, EXTREME INSTANT SHADE, SLIT TRENCH, & RPM ROOTED-STOCK PLANTS

37 Onondaga Creek @ Nichol Road Bridge, LaFayette, NY – project planted 5-15-2007 Two rows of Slit Brush Layering located along black lines. Pix by Derrick

38 Onondaga Creek @ Nichol Road Bridge, LaFayette, NY – project planted 5-15-2007 TWO LAYERS OF “SLIT” BRUSH LAYERING

39 Onondaga Creek @ Nichol Road Bridge, LaFayette, NY – project planted 5-15-2007 This is almost a Live Siltation retrofit. Pix by James Bennett

40 Onondaga Creek @ Nichol Road Bridge, LaFayette, NY – project planted 5-15-2007 Slit Brush Layering the Streamco Willow close to water surface. Pix by Kathy Blaisure

41 Onondaga Creek @ Nichol Road Bridge, LaFayette, NY – project planted 5-15-2007 Looking US at both layers of completed Slit Brush Layering. Pix by Bill Frederick

42 Onondaga Creek @ Nichol Road Bridge, LaFayette, NY – project planted 5-15-2007 Looking US at both layers of Slit Brush Layering. Pix by Bill Frederick

43 Onondaga Creek-Year 2 July 10, 2008. Looking at Slit Brush Layering. Pix by Derrick

44 Onondaga Creek-Year 2 July 10, 2008. Looking at Slit Brush Layering. Pix by Derrick

45 2 YEARS & 1 MONTH AFTER PROJECT COMPLETION Photos by Derrick JUNE 18, 2009

46 2 YEARS & 1 MONTH LATER-Looking @ left bank Slit Brush Layering. Vegetation is robust & lush & fully functioning. Red Osier Dogwood is dominating the Slit Brush Layering on the bank 2 YEARS & 1 MONTH LATER-Onondaga Cr.@ Nichol Rd Bridge-DERRICK 6-18-09

47 2 YEARS & 1 MONTH LATER-Looking US @ 2 rows of Slit Brush Layering. 2 YEARS & 1 MONTH LATER-Onondaga Cr.@ Nichol Rd Bridge-DERRICK 6-18-09

48 Site – soil conditions are not ideal. Fill soil is a clay fragipan, when dry is like concrete. (Extremely dry summer -2007) Slit-Trench Black Willow-low mortality & outstanding growth, many 9 to 10 ft tall. When planted most 2-3 ft tall. Slit-Trench Streamco Willow-low mortality & outstanding growth, many 9 to 14 ft tall. Slit-Trench red osier dogwood – medium mortality, very good growth Slit-Trench & Slit Brush Layering Sycamore – high mortality, few if any survived Extreme Instant Shade Sycamore – all dead. Slit Brush Layering Willow – med mortality, decent growth, not very tall. Slit Brush Layering Red Osier Dogwood – low to medium mortality- dominating with lush growth. Pole Plantings in existing stone bank – low mortality, ~6-8 ft growth. RPM rooted stock trees – outstanding shrub growth, beaver browse on several trees, mixed performance on remainder of trees, many surviving not thriving, with a couple showing fast growth, 14-18 ft tall. RESULTS AFTER TWO GROWING SEASONS

49 CLEOPHUS SPEED ELVIS DERRICK, AT REST It’s time to relax and watch the project grow even more {The Luxury of Time}


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