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Fascines and brush mattress: sausage-shaped bundle structures made from single cuttings of living woody plant material or layer (mattress) of interlaced branches, often with rocks at the base.

SCHEME

Source: Da Deppo et al.

GOAL

Source: US Army Corps of Engineering

TECHNIQUE

Toe and strembank protection

REPORT ON TECHNICAL AND OPERATIONAL PROCEDURE TO BETTER INTEGRATE SMALL HYDRO PLANTS IN THE ENVIRONMENT

Brush mattress with rock toe

Source: APAT

Source: US Army Corps of Engineering

Gabions and reef: cylinders filled with earth or stones (gabions) or groups of big boulders (reef), reinforced through woody vegetation with a good vegetative propagation capacity like cuttings.

Strembank erosion control

Fascines

Source: APAT

Source: APAT

Timber and stones wall: Timber wall filled with boulders

Strembank erosion control

Gabions (left) and reef (right) integrated with vegetation

Source: APAT

Source: US Army Corps of Engineering

Vegetated reinforced soil slope: earthen structure made from living, rootable, live-cut, woody plant material branches, bare root, tubling or container plant stock in conjunction with rock, geosynthetics, geogrids.

Strembank erosion control

Bank defence made from timber, stones and willow

Source: Ferro et. al:

Step and pool reaches: alternation of reaches with high and low slope, realized through the use of big boulders

Morphological reconstruction and riverbed stabilisation

Vegetated reinforced soil slope

Step and pool reach

Examples of bioengineering techniques.

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/Annex_XII_Environmental_Report  

http://www.esha.be/fileadmin/esha_files/documents/SHERPA/Annex_XII_Environmental_Report.pdf

/Annex_XII_Environmental_Report  

http://www.esha.be/fileadmin/esha_files/documents/SHERPA/Annex_XII_Environmental_Report.pdf

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