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Wallrow
A wallrow is a combination of a field boundary, dry stone wall and the spontaneous regeneration of scrubland brought about by the shelter of that wall, often containing species of trees, woody shrubs, herbaceous growth and other flora, and coined by Dr. Marcus Collier, a landscape ecologist and field boundary specialist from Ireland (paper ).
==Overview==
Like fencerows, wallrows are distinct from hedgerows because they are not deliberately planted, nor are they as managed as hedgerows (paper ). The presence of a stone wall often obstructs mechanical management, thus facilitating scrub development. Woody vegetation is necessary for a field boundary to be a wallrow; a stone wall overgrown solely with herbaceous plants is not so much a wallrow as a wall. However, early stages of wallrow development generally consist of herbaceous inundation prior to the arrival of woody shrubs with animals (especially birds) and the wind as the main dissemules. Woody vegetation is necessary to attract seed-dispersing faunae, and for soil development, thus facilitating further the spread of woody shrubs and trees. In this way wallrows are strikingly similar to North American fencerows, though the obvious difference remains that fencerows are based along a wooden fence or under telegraph lines, and wallrows along a field boundary stone wall. Wallrows are common in Ireland, especially where fields are abandoned or under-managed.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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