Term
| Three most vigorous plants for bioengineering? |
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Definition
| Willows, poplars, dogwood |
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Term
| _______ and ______ erosion control has been in use for millennia. |
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Definition
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Term
| WPA and CCC did what in 1930's? |
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Definition
| Repaired gullies and restored stream banks with native stone and cuttings from local plants. |
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Term
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Definition
| sturdy cuttings greater than or equal to 1 in. in diameter- provide initial structural slope protection |
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Term
| Wattles and brushmattresses |
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Definition
| woven pads of live branches staked to slopes for coverage |
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Term
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Definition
| tied, linear bundles of branches/whips buried lengthwise in trenches |
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Term
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Definition
| places branches perpendicular to contours on excavated terraces which are backfilled with soil, covering branches except for the tips |
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Term
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Definition
| Boxlike structures of interlocking live logs, backfilled with alternating layers of soil and branch cuttings |
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Term
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Definition
| Erosion control nets, blankets, mats, or organic mulches |
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Term
| Types of fibers for cover |
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Definition
| jute, straw, wood, excelsior, or coconut fiber (coir) |
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Term
| Brands of biodegradable stakes |
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Definition
| North American Green's Bio-STAKE and Eco-STAKE |
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Term
| Bioengineering cannot stand up alone against ___________ and ____________. |
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Definition
| expanded upstream pavement, increased runoff |
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Term
| Bioengineering is more expensive than __________. |
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Definition
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Term
| Securing fill is difficult in _________, ___________, and _________. |
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Definition
| gullies, watercourses, drainage channels |
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Term
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Definition
| Fill soil wrapped in geotextile |
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Term
| Benefits of greenwalls (8) |
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Definition
| aesthetic, noise, graffiti, heat & glare, slows rainwater, traps air pollutants, processes CO2, food and shelter for wildlife |
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Term
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Definition
| gaps for plants to sprout through |
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Term
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Definition
| concrete or wood stacked "log cabin" style |
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Term
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Definition
| stacked interlocking O or diamond shaped masonry (mostly in Europe and Japan) |
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Term
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Definition
| stackable soil-filled tubs (retaining or freestanding) |
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Term
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Definition
| Stone filled wire baskets |
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Term
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Definition
| Like mini gabions, holding a thin layer of soil to a surface |
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Term
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Definition
| flexible strong honeycombs filled with soil |
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Term
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Definition
| Geotextiles wrapped around soil (formally called vegetated geogrid) |
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Term
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Definition
| woven or felt-like synthetic filter fabrics |
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Term
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Definition
| stronger sheets that look like plastic construction fencing |
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