本文選題：常綠闊葉樹　切入點：滯塵量　出處：《應(yīng)用生態(tài)學(xué)報》2017年02期 　論文類型：期刊論文

【摘要】：為篩選適用于北京地區(qū)的具有優(yōu)良滯塵能力的常綠闊葉型綠化樹種,提高城市植被滯塵能力,選取北京地區(qū)園林綠化應(yīng)用廣泛的8種常綠(含半常綠)闊葉綠化樹種,應(yīng)用洗脫-質(zhì)量差值法,于2014年冬、春季節(jié)對其單位葉面積滯塵量進(jìn)行測定,計算單葉滯塵量和單株滯塵量,并對樹種綜合滯塵能力進(jìn)行聚類分析.結(jié)果表明:小葉黃楊、冬青衛(wèi)矛、小葉女貞、金葉女貞、膠東衛(wèi)矛、箬竹、早園竹和黃槽竹8種主要常綠(含半常綠)闊葉樹種的滯塵能力存在較大差異,冬青衛(wèi)矛具有最大的單位葉面積與單株滯塵能力,為1.36 g·m~(-2)和59.63g·plant~(-1),而箬竹的單葉滯塵能力最強(qiáng)(1.62 mg·leaf~(-1)).選擇不同的滯塵量計量單位,樹種滯塵量排序會發(fā)生變化.對8種常綠(含半常綠)闊葉樹種做基于多指標(biāo)綜合滯塵能力的聚類分析可得到相應(yīng)的分類,各類別代表不同級別的綜合滯塵能力水平.其中,冬青衛(wèi)矛、早園竹的綜合滯塵能力較優(yōu)良,而小葉黃楊、金葉女貞和黃槽竹的綜合滯塵能力較弱.
[Abstract]:In order to select the evergreen broad-leaved tree species with excellent dust retention ability and improve the dust retention ability of urban vegetation in Beijing, eight evergreen (including semi-evergreen) broad-leaved greening species widely used in landscape greening in Beijing area were selected. In the winter and spring of 2014, the dust retention amount per leaf surface was measured by the elut-mass difference method, and the dust retention amount per leaf and per plant was calculated, and the cluster analysis of the comprehensive dust retention ability of tree species was carried out. The results showed that: Populus microphylla L. The dust retention ability of 8 main evergreen (including semi-evergreen) broad-leaved trees (including semi-evergreen) were significantly different among eight main evergreen (including semi-evergreen) broad-leaved species, such as Holly Holly, Ligustrum microphylla, Ligustrum auriculata, Jiaodong Weisheng, Indocalamus, Zaoyuan and Huangguo. Phyllostachys mongolicus has the largest leaf area and dust retention capacity per plant, which is 1.36 g 路m ~ (-2) and 59.63 g 路plantl ~ (-1), while the single leaf has the strongest dust retention capacity of 1.62 mg 路leaf ~ (-1). For 8 species of evergreen (including semi-evergreen) broad-leaved tree species, cluster analysis based on multi-index comprehensive dust retention ability can obtain the corresponding classification, each category represents the level of comprehensive dust retention ability of different levels. The comprehensive dust retention ability of Phyllostachys mongolicus and Zaoyuan bamboo was better, but that of Populus microphylla, Fructus lucidum and Phyllostachys sinensis was weak.
【作者單位】： 北京林業(yè)大學(xué)園林學(xué)院/城鄉(xiāng)生態(tài)環(huán)境北京實驗室/國家花卉工程技術(shù)研究中心;
【基金】：北京市共建項目專項資助~~
【分類號】：X173;X513

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