Landscape architecture

Page 3

‫ﺘﺨﺘﻠﻑ ﺃﻨﻭﺍﻉ ﻭﻤﺴﻤﻴﺎﺕ ﺍﻟﻤﻤﺭﺍﺕ ﺘﺒﻌﺎ ﻟﻤﻭﺍﺩ ﺍﻟﺒﻨﺎﺀ ﺍﻟﻤﺼﻨﻌﺔ ﻤﻨﻬﺎ ﻭﻋﻠﻴﻪ ﻓﻬﻲ ﺘﺸﻤل‪:‬‬ ‫•‬

‫ﺍﻟﻤﻤﺭﺍﺕ ﺍﻟﺭﻤﻠﻴﺔ‪ :‬ﻟﻭﻨﻬﺎ ﺇﻴﺠﺎﺒﻲ ﻓﻲ ﺍﻟﻤﻭﺍﻗﻊ ﺍﻟﺨﺎﺭﺠﻴﺔ ﻭﺍﻟﻁﺒﻴﻌﻴﺔ ﺨﺎﺼﺔ‪ ،‬ﻭﻟﻜﻥ ﻴﻌﻴﺒﻬﺎ ﻤﺎ ﻗﺩ ﻴﻨﻤﻭ ﻓﻴﻬﺎ ﻤﻥ ﺤﺸﺎﺌﺵ‬

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‫ﺍﻟﻤﻤﺭﺍﺕ ﺍﻟﺨﻀﺭﺍﺀ‪ :‬ﻭﻫﺫﻩ ﻻ ﺘﺘﺤﻤل ﺍﻟﺤﺭﻜﺔ ﺍﻟﻜﺜﻴﺭﺓ ﺒﺴﺒﺏ ﻁﺒﻴﻌﺔ ﺍﻟﻐﻁﺎﺀ ﺍﻟﻨﺒﺎﺘﻲ ﺍﻟﺫﻱ ﻴﻐﻁﻴﻬﺎ‪.‬‬

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‫ﻭﻤﺎ ﻗﺩ ﻴﺤﺩﺙ ﻟﻬﺎ ﻤﻥ ﺘﻐﻴﻴﺭ ﻓﻲ ﻤﻌﺎﻟﻤﻬﺎ ﺒﺴﺒﺏ ﺍﻟﻤﻁﺭ ﻭﺍﻟﺭﻴﺎﺡ‪.‬‬

‫ﺍﻟﻤﻤﺭﺍﺕ ﺍﻟﺤﺠﺭﻴﺔ‪ :‬ﻭﺘﺘﻤﻴﺯ ﺒﺄﻟﻭﺍﻨﻬﺎ ﺍﻟﻤﺨﺘﻠﻔﺔ ﺍﻟﺠﻤﻴﻠﺔ‪ ،‬ﻭﺍﻟﻁﺭﻕ ﺍﻟﻤﺘﻌﺩﺩﺓ ﻟﺘﺭﺘﻴﺒﻬﺎ ﻭﺘﻨﻅﻴﻤﻬﺎ ﻀﻤﻥ ﺍﻟﻤﻭﻗﻊ‪ ،‬ﻭﻴﻌﻴﺒﻬﺎ‬ ‫ﺘﻜﺎﻟﻴﻔﻬﺎ ﺍﻟﻌﺎﻟﻴﺔ‪.‬‬

‫ﺸﻜل ﺭﻗﻡ )‪ (3‬ﻴﻅﻬﺭ ﺍﺴﺘﺨﺩﺍﻡ ﻤﻤﺭﺍﺕ ﺤﺠﺭﻴﺔ ﺩﺍﺨل ﺤﺩﻴﻘﺔ ﺍﻟﻤﻨﺯل‬


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