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Citation:

Th e In fluences of C losing for Afforesta tion on Vegetation DiversityRestora tion under Ch inese F ir P lan ta tion

  • Received Date: 2006-11-17
  • By density control and 6 years. closed and non-closed managemen t for Ch inese fir pure stands, it wasfound tha t short-term c losing had no sign ificant influence on the overall performance of Chinese fir p lantation, butremarkably affected the vegetation b iodiversity and growth under fores.t In closed area, therewere 116 plant speciesbe longing to 101 genera of 60 families, with the vegetation coverage 85%, wh ile in the non2c losed area, therewereon ly 88 p lant species be longing to 78 genera of 49 families, the vege tation coverage was about 60% . Furthermore,there existed a woody vegetation layer with the height> 2 m in closed area. The resu lt of key trait value analysisshowed that the re lative density, re lative coverage and some other important tra its in closed area were h igher thanthat in non-closed area. In c losed area, F icus hispida had the highest importance value: 100. 43%, and other 16species had the importance value no less than 35%, wh ich occup ied 13. 79% of tota l undergrowth species. In non-closed area, Gelsemium elegans had the highest importance va lue ( 34. 77% ) and therewere no specieswith importance value \ 35%. The dominance of undergrowth in closed area wasmore obvious than that in non-closed area.
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  • [1] 杨承栋. 人工林地力衰退研究[A]. 见: 中国土壤学会, 中国林学会森林土壤专业委员会. 森林与土壤[M]. 北京: 中国科学技术出版社, 1997: 1~ 6

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    LuoRuy ing, G ao Zh iq in. E ffects of Ch inese fir, lob lolly p ine and d eciduou s oak forests on nu trien t states of soils in north ern sub trop ics ofCh in a[J]. Pedosphere, 1994, 4( 1 ): 1~ 10
    [3] 盛炜彤. 我国人工林的地力衰退及防治对策[A]. 见: 中国林学会森林生态分会杉木人工林集约栽培研究专题组. 人工林地力衰退研究[M]. 北京: 中国科学技术出版社, 1992: 15~ 19

    [4] 杨承栋, 孙启武, 焦如珍, 等. 大青山一二代马尾松土壤性质变化与地力衰退关系的研究[J]. 土壤学报, 2003, 40 ( 2): 267 ~ 273

    [5] 孙启武, 杨承栋, 焦如珍. 江西大岗山连栽杉木人工林土壤性质的变化[J]. 林业科学, 2003, 39( 3 ): 1~ 5

    [6] 中国林学会森林生态学分会, 杉木人工林集约栽培研究专题组.人工林地力衰退研究[M]. 北京: 中国科学技术出版社, 1992

    [7] 俞新妥. 杉木林地力衰退问题的研究与对策[J]. 林业科技通讯,1990( 19): 1 ~ 2

    [8] 王宏志. 中国南方混交林研究[M]. 北京: 中国林业出版社, 1993

    [9] 姚茂和, 盛炜彤. 林下植被对杉木林地力影响的研究[J]. 林业科学研究, 1991, 4( 3 ): 247~ 251

    [10] 盛炜彤, 杨承栋. 关于杉木林下植被对改良土壤性质效用研究[J]. 生态学报, 1997, 17( 4): 377~ 385

    [11] 莫江明, Sandra Brown, 彭少麟, 等林下层植物在退化马尾松林恢复初期养分循环中的作用[J]. 生态学报, 2002, 22 ( 9): 1407~ 1413

    [12] 范少辉, 马祥庆, 傅瑞树, 等. 不同栽植代数杉木林下植被发育的比较研究[J]. 林业科学研究, 2001, 14( 1 ): 8~ 16

    [13] 杨承栋, 焦如珍, 屠星南, 等. 发育林下植被是恢复杉木人工林地力的重要途径[J]. 林业科学, 1995, 31 ( 3): 275 ~ 283

    [14] 熊有强, 盛炜彤, 增满生. 不同间伐强度杉木林下植被发育及生物量研究[J]. 林业科学研究, 1995, 8( 4): 408~ 412

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Th e In fluences of C losing for Afforesta tion on Vegetation DiversityRestora tion under Ch inese F ir P lan ta tion

  • 1. Experimental Cen ter of Trop ical Fores try, CAF, P ingx iang 532600, Guangx,i Ch in a

Abstract: By density control and 6 years. closed and non-closed managemen t for Ch inese fir pure stands, it wasfound tha t short-term c losing had no sign ificant influence on the overall performance of Chinese fir p lantation, butremarkably affected the vegetation b iodiversity and growth under fores.t In closed area, therewere 116 plant speciesbe longing to 101 genera of 60 families, with the vegetation coverage 85%, wh ile in the non2c losed area, therewereon ly 88 p lant species be longing to 78 genera of 49 families, the vege tation coverage was about 60% . Furthermore,there existed a woody vegetation layer with the height> 2 m in closed area. The resu lt of key trait value analysisshowed that the re lative density, re lative coverage and some other important tra its in closed area were h igher thanthat in non-closed area. In c losed area, F icus hispida had the highest importance value: 100. 43%, and other 16species had the importance value no less than 35%, wh ich occup ied 13. 79% of tota l undergrowth species. In non-closed area, Gelsemium elegans had the highest importance va lue ( 34. 77% ) and therewere no specieswith importance value \ 35%. The dominance of undergrowth in closed area wasmore obvious than that in non-closed area.

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