Coastal Erosion

Restored sand dune.  Sand Dunes at Goswick courtesy of http://www.geograph.org.uk/photo/152835 - Stuart MeekCOASTAL EROSION SUSTAINABLE PRODUCTS TO PREVENT COASTAL EROSION

Cheviot Trees are specialist growers of coastal erosion prevention products including salt resistant plants such as Ammophila arenaria (Marram Grass) and physical structures such as willow ecoshutters to help trap sand and stabilise dunes.

Ammophila arenaria (Marran Grass) recently plantedPROTECTION BY PLANTING MARRAM GRASS

Marram Grass (Ammophila arenaria) is the dominant sand fixing species. It is a native, perennial, rhizomatous grass. It has a natural ability to emerge from sand if covered, by way of the stems elongating, which enables the plant to grow above the deposited sand. New roots are produced in the layer of freshly deposited sand. Full sand holding capacity can be achieved in as little as 2 to 4 years. Marram grass can grow in height from 0.6 to 1.2 m / year. The grass is most vigorous on seaward slopes, where it is buried regularly by windblown sand. At these sites, new healthy white roots develop in the fresh layer of sand. The growth becomes less vigorous when the sand accumulation diminishes.

Cell Grown Ammophila arenaria (Marram Grass) plants.WHY USE CELL GROWN PLANTS?

Traditionally, barerooted Ammophila arenaria (Marram Grass) was planted manually in bundles of six plants, at a spacing of 4 bundles per square metre. With the introduction of Cell Grown plants establishment has become much easier and cheaper, with the large root plug containing upwards of 3-4 rhizomes per plant, therefore only four single plants are required per sq m. Being easily handled and planted, and being full of moisture, the success rate of the planting in this environment is near 100%. All year round planting is an option, also allowing working in better weather. Planting Marram grass on the windward side of reed or willow screens has proven to be the most efficient, effective and labour saving method for establishment. The sand builds up on the grass allowing it to establish more roots, hence improving growth rate and survival.

Cell Grown Ammophila arenaria (Marram Grass) plants showing root plug.NATURAL STRUCTURES TO PREVENT EROSION

Cheviot Trees produce many willow structures, the lighter of which are ideal for insertion into sand dunes, thus trapping sand. Willow ecoshutters can be supplied ready made or material can be supplied loose for on-site construction.

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