At summer time birds like Ruddy shelduck and cormorants ( Phalacrocorax sp . ) migrate to the lake area, besides the fields of " Astragalus ", " Roegneria nutans " and Marram grass.
42.
The beach also is flanked by sloping Sand dunes which are popular for climbing on, and can be observed undergoing Biological succession-The dunes are becoming populated by Marram grass and spurges at the top of the dunes.
43.
Further along the coast in Skegness, dune defences were devastated just north of Skegness Pier, here a new concrete wall was constructed, with marram grass planted to encourage dune reformation at a cost of ?00, 000, which withstood the 1978 surge.
44.
In addition to the constant loss of land, the inhabitants during the Little Ice Age were constrained by sand drift . Dunes shifting to the east threatened settlements and arable land and had to be stopped by the planting of marram grass in the 18th century.
45.
In the late 18th century marram grass was planted to stabilise the coastline against sea encroachments, and by the early 19th century there was a barrier of dunes between high water mark and the ridge on which the lighthouse stood, leaving a valley ( The Valley ) between.
46.
The folded leaves have hairs on the inside to slow or stop air movement, much like many other xerophytes ( though these are typically found on the outside of the plant, but in marram grass they are also within the leaf as this has now become a structure with more volume ).
47.
After his return, he won a prize from the Royal Danish Academy of Sciences and Letters for his thesis about the sand plants ( mainly Marram grass ) and their use as sand-binders in protection of agricultural lands from rector of the Veterinary School a position he held to his death.
48.
Other notable species in the park, of the more than 875 indigenous to the Do�ana ecosystems are : oleander, oak, the sea wallflower, sweet saltwort, the prickly tumbleweed, marram grass, heather, camarina, lavender, sea holly, reed, carnation, bulrush, common fern, Phillyrea angustifolia " ), sea spurge, mastic, sedge, palm, pine, Scotch broom, rosemary, juniper, gorse, thyme, spurge and blackberries.
