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1、城市河流的渠道化園林化問題與自然化要求（董哲仁） #TRS_AUTOADD_1230256408859{MARGIN-TOP:0px;FONT-SIZE:12pt;MARGIN-BOTTOM:0px;LINE-HEIGHT:1.5;FONT-FAMILY:宋體}#TRS_AUTOADD_1230256408859P{MARGIN-TOP:0px;FONT-SIZE:12pt;MARGIN-BOTTOM:0px;LINE-HEIGHT:1.5;FONT-FAMILY:宋體}#TRS_AUTOADD
2、_1230256408859TD{MARGIN-TOP:0px;FONT-SIZE:12pt;MARGIN-BOTTOM:0px;LINE-HEIGHT:1.5;FONT-FAMILY:宋體}#TRS_AUTOADD_1230256408859DIV{MARGIN-TOP:0px;FONT-SIZE:12pt;MARGIN-BOTTOM:0px;LINE-HEIGHT:1.5;FONT-FAMILY:宋體}#TRS_AUTOADD_1230256408859LI{MARGIN-TOP:0px;FO
3、NT-SIZE:12pt;MARGIN-BOTTOM:0px;LINE-HEIGHT:1.5;FONT-FAMILY:宋體}/**---JSON--{"":{"line-height":"1.5","font-family":"宋體","font-size":"12pt","margin-top":"0","margin-bottom":"0"},"p":{"line-height":"1.5","font-family":"宋體","font-size":"12pt","margin-top":
4、"0","margin-bottom":"0"},"td":{"line-height":"1.5","font-family":"宋體","font-size":"12pt","margin-top":"0","margin-bottom":"0"},"div":{"line-height":"1.5","font-family":"宋體","font-size":"12pt","margin-top":"0","margin-bottom":"0"},"li":{"line-height":"
5、1.5","font-family":"宋體","font-size":"12pt","margin-top":"0","margin-bottom":"0"}}--**/摘要：討論了渠道化和園林化對(duì)于城市河流生態(tài)系統(tǒng)的危害，指出當(dāng)前盛行的城市河流園林化是新一輪河流的人工化改造。提出了河流修復(fù)的自然化方法，即以水質(zhì)條件恢復(fù)、水文條件恢復(fù)、河流景觀格局改善和生物群落結(jié)構(gòu)改善為目標(biāo)的河流生態(tài)修復(fù)方法－還討論了河流的美學(xué)價(jià)值，指出自然河流是具有高度生物群落多樣性和景觀異質(zhì)性的開放地帶，只有自然河流才能給
6、人以審美歡愉，因此河流的美學(xué)價(jià)值核心是自然之美：河流的園林化不僅造成生態(tài)系統(tǒng)的脅迫，而且降低了河流的美學(xué)價(jià)值。
關(guān)鍵詞：河流生態(tài)系統(tǒng)；渠道化；園林化；脅迫；自然化；水文情勢；景觀格局異質(zhì)性；生物群落恢復(fù)美學(xué)價(jià)值
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