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1、城市河流的渠道化园林化问题与自然化要求(董哲仁) #TRS_AUTOADD_1230256408859{MARGIN-TOP:0px;FONT-SIZE:12pt;MARGIN-BOTTOM:0px;LINE-HEIGHT:1.5;FONT-FAMILY:宋体}#TRS_AUTOADD_1230256408859P{MARGIN-TOP:0px;FONT-SIZE:12pt;MARGIN-BOTTOM:0px;LINE-HEIGHT:1.5;FONT-FAMILY:宋体}#TRS_AUTOADD
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5、1.5","font-family":"宋体","font-size":"12pt","margin-top":"0","margin-bottom":"0"}}--**/摘要:讨论了渠道化和园林化对于城市河流生态系统的危害,指出当前盛行的城市河流园林化是新一轮河流的人工化改造。提出了河流修复的自然化方法,即以水质条件恢复、水文条件恢复、河流景观格局改善和生物群落结构改善为目标的河流生态修复方法-还讨论了河流的美学价值,指出自然河流是具有高度生物群落多样性和景观异质性的开放地带,只有自然河流才能给
6、人以审美欢愉,因此河流的美学价值核心是自然之美:河流的园林化不仅造成生态系统的胁迫,而且降低了河流的美学价值。
关键词:河流生态系统;渠道化;园林化;胁迫;自然化;水文情势;景观格局异质性;生物群落恢复美学价值
Issuesrelatedtochannelizationandgardenlizationandnatualrequirementofrivers//Dongzheren
Abstract:Thestressonriverecosysteminurbanareaisdiscu
7、ssedthatresultfrombothriverschannelizationandgardening.Itispointoutthatriversgardeninginvogueisman-madeprocess.Theriverrestorationasnaturalizationprocessisproposedthatincludingwaterqualityrestoration,recoveryofhydrologicalregime,restorationofriverland
8、scapepatternandcommunityrecovery.Theriverestheticsvaluewhichcoreisnaturebeautyisdiscussed.Naturalrivercorridorsareareasofgreatbiodiversityandlandscapeheterogeneity,andprovideopenspaceforaestheticallypleasingandvisualenjoyment.Theman-maderebuil