防护林科技
防護林科技
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PROTECTION FOREST SCIENCE AND TECHNOLOGY
2015年
4期
1-3
,共3页
韩辉%张柏习%张素清%孙海红%安宇宁%于致龙
韓輝%張柏習%張素清%孫海紅%安宇寧%于緻龍
한휘%장백습%장소청%손해홍%안우저%우치룡
樟子松%人工林%物种多样性
樟子鬆%人工林%物種多樣性
장자송%인공림%물충다양성
Pinus sylvestris var .mongolica%plantation%species diversity
以章古台35年生樟子松2种密度人工林的生物群落调查为基础,对樟子松不同密度林分生物多样性特征进行了研究,结果表明:不同密度樟子松林分物种丰富度指数、均匀度指数、多样性指数、优势度指数草本层均大于灌木层;810株▌hm -2林分和404株▌hm -2林分相比较,灌木层丰富度指数、均匀度指数、多样性指数、优势度指数前者大于后者,草本层丰富度指数前者远大于后者,均匀度指数两者相当,多样性指数、优势度指数前者稍高于后者。林分内灌木物种种类在很大程度上取决于该地区原有植被的种类,2种密度林分固沙林均呈现出乔木灌木复层林景观。
以章古檯35年生樟子鬆2種密度人工林的生物群落調查為基礎,對樟子鬆不同密度林分生物多樣性特徵進行瞭研究,結果錶明:不同密度樟子鬆林分物種豐富度指數、均勻度指數、多樣性指數、優勢度指數草本層均大于灌木層;810株▌hm -2林分和404株▌hm -2林分相比較,灌木層豐富度指數、均勻度指數、多樣性指數、優勢度指數前者大于後者,草本層豐富度指數前者遠大于後者,均勻度指數兩者相噹,多樣性指數、優勢度指數前者稍高于後者。林分內灌木物種種類在很大程度上取決于該地區原有植被的種類,2種密度林分固沙林均呈現齣喬木灌木複層林景觀。
이장고태35년생장자송2충밀도인공림적생물군락조사위기출,대장자송불동밀도림분생물다양성특정진행료연구,결과표명:불동밀도장자송림분물충봉부도지수、균균도지수、다양성지수、우세도지수초본층균대우관목층;810주▌hm -2림분화404주▌hm -2림분상비교,관목층봉부도지수、균균도지수、다양성지수、우세도지수전자대우후자,초본층봉부도지수전자원대우후자,균균도지수량자상당,다양성지수、우세도지수전자초고우후자。림분내관목물충충류재흔대정도상취결우해지구원유식피적충류,2충밀도림분고사림균정현출교목관목복층림경관。
The characteristics of forest biodiversity with different densities were studied based on the biological com‐munity survey of 35‐year‐old Pinus sylvestris var . mongolica plantation with two kinds of densities planted in Zhanggutai Experimental Forest Farm .Result shows that richness index ,evenness index ,diversity index & domi‐nance index of species with different kinds of densities are all higher in herbaceous layer than that in shrub layer . Stands of 810 plants ▌hm -2 compared with stands of 404 plants ▌hm -2 ,richness index ,evenness index ,diversity in‐dex ,dominance index of shrub layer ,the former is greater than that of the latter;richness index of herbaceous layer of the former is greater than that of latter ;evenness index of both is equal;diversity index & dominance index of the former is slightly higher than that of the latter .Shrub species in the stand largely depend on the types of original vegetation in the region .Sandbreak forest with two kinds of densities appear landscape of multiple layered forests (arbor and shrub) .