Pubescens community and mixed plant species belonged to 56 families, 85 genera, 122 species. The layers of arbors, shrubs, liane, and herbages could be distinguished clearly. The community of Jiulian Mountain Nature Reserve in Jiangxi Province had the highest diversity indices of tree layer in four T. ciliata var. pubescens forest communities, the least was community in Changgang, Longquan of Zhejiang Province. The community of Changgang had the highest index evenness, the least was in Jiulong Mountain of Zhejiang Province. The importance value of T. ciliata var.

研究結(jié)果表明：毛紅椿天然林群落的物種多樣性豐富www,爱爱,com，與毛紅椿混生的植物種類有56科85屬122種求个黄色网站，而且層次性較強，分為喬木層最新地址发布页福利影院S、灌木層欧美三级片免费久久、藤本層和草本層4層。4個毛紅椿天然林群落喬木層中成年人视频www，江西九連山群落Simpson多樣性指數(shù)最高曰本性网，浙江龍泉昌崗毛紅椿群落為最低；浙江龍泉昌崗群落的均勻度指數(shù)最高人人摸人人操人日，浙江九龍山群落為最低在线视频青草亚洲。

Defoliations have most species and high individual density, with jarless community structure; shrubs have high evenness with less jarless community structure; herbages have less species and individual density, with predominant species conspicuous.

在自然生態(tài)系統(tǒng)中蜘蛛種類多，種群數(shù)量大日韩亚洲欧美视频，全是掠食性的国产三级免费在线，且捕食的對象極大部分是害蟲，因此蜘蛛是一類重要的害蟲天敵黄网站色视频，在生物防治尤其是林業(yè)害蟲防治方面具有重要作用(宋大祥等91久久婷婷人人澡人人澡，2001)。

A modified method of paraffin slice is used for the comparative study on the seed shell compositions of two excellent leguminous herbages Onobrychis viciaefolia Scop.

采用改進的石蠟切片方法国产城中村自拍，對兩種優(yōu)良豆科牧草———紅豆草和扁蓿豆種子的種皮結(jié)構(gòu)及成分進行對比研究777性视频。

Sabaigrass is a kind of herbages plant with excellent exploitation value, most of which is wild.

龍須草是一種極具經(jīng)濟效應(yīng)和生態(tài)效應(yīng)的纖維草本植物，多為野生中国国产精品无码理论片。

In silvicultural regeneration treatment,the diversity of shrubs and herbages increases gradually in stage A1～A3,and the variation will continue after stage A3,further work is needed to examine the dynamic.

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