对放牧和封育条件下金露梅灌丛群落动态变化进行了研究。
The plant community dynamic change of Potentilla fruticosa shrubs under grazing and enclosure were studied.
长期重度放牧使高寒灌丛群落结构简化,地上现存生物量特别是优良牧草的现存量减少。
Long - term heavy grazing simplified the alpine shrub community and decreased the standing above - ground biomass, especially palatable herbage plants.
根据大量实地调查样地资料,对贵州喀斯特灌丛群落进行组平均法的数量分类,将贵州喀斯特灌丛划分为13个类型,并对主要类型的生境条件、群落特征及分布等作了论述。
According to a great deal data of the sample survey, the author, using group-average, classify Karst scrub community in Guizhou Province into 13 type and elaborate main types.
初步提出柳湾灌丛草场在群落水平上的荒漠化评价指标体系。
The indicator system of scrub pasture desertification assessment on community level was put forward.
森林火烧迹地的鸟类群落与灌丛草地的鸟类群落相似度高,与人工樟子松林的鸟类群落相似度低。
Similar index of the bird community of the burned forests areas and the brush grassland was high, however, and the artificial Mongolian pine forests were low.
灌丛、原生林和次生林中主要分布有森林型小型哺乳动物,聚为一类,为森林群落型;
Small mammals of forest type are mainly distributed in shrubland, secondary forests and primary forest, which are clustered into one group.
正常情况下石楠灌丛生长在温带的贫瘠,含沙的或是排水良好的土壤上,放牧,焚烧和不时地砍伐通常使石楠灌丛亚顶极群落得以维持。
Heaths normally develop on poor sandy well-drained soils in temperate climates and are usually subclimax communities maintained by grazing burning and sometimes cutting.
老君山云南金钱槭的大多数个体是以单优灌木群落形式存在,少量生长在灌丛中和森林边缘。
On the Laojun Mountain most of its individuals was in D. dyeriana communities, some was in other shrubberies and a few was on the edge of forest communities .
群落中出现大量的耐荫植物,先锋灌丛植物已被抑制或淘汰。
Many shady tolerant plant species have occurred naturally, while the pioneer shrub species have been limited or superseded.
该种是当地灌丛及草地植物群落中常见的一种。
It is a common member of the scrub and woodland flora there.
初步提出柳湾灌丛草场在群落水平上的荒漠化评价指标体系。
The indicator system of scrub pasture desertification assessment on community level...
初步提出柳湾灌丛草场在群落水平上的荒漠化评价指标体系。
The indicator system of scrub pasture desertification assessment on community level...
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