次生演替
- 网络secondary succession
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本文用E、S两组主分量分析,对陕西省铜川地区植被次生演替进行分析。
In this paper , principal components analysis in two groups , group E and group S. is applied to the study of secondary succession of vegetation in Tongchuan . area . Shaanxi province .
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西双版纳热带雨林次生演替中昆虫群落的动态研究
Study on insect community dynamics of secondary succession in Xishuangbanna
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华北高产农田生态系统中蚯蚓种群次生演替规律
Secondary succession of earthworm population in high production agro-ecosystem in North China
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以次生演替模式为指导,论述了徐连过渡带低山丘陵生态恢复重建策略。
Guided by the model , its strategies of ecological restoration and rehabilitation are discussed .
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森林次生演替优势种苗木的光可塑性比较研究
The comparative study on photo plasticity of the dominant species seedlings of secondary forest succession
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浙江天台山常绿阔叶林次生演替序列群落物种多样性
On species diversity of secondary successional community of evergreen broad-leaved forests at Mount Tiantai of Zhejiang
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黄土丘陵区植被次生演替灌木初期的土壤养分特征
Soil Nutrients Characteristics in Shrub Appearance Stage of Vegetation Secondary Succession in the Hilly-gullied Loess Region
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在次生演替过程中,决定次生演替性质、方向和速度仍然是人为活动。
In the secondary succession of vegetation , the direction , speed and characteristics were mainly determined by human activities .
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黄檀群落已进入次生演替的成熟阶段,属于典型的落叶阔叶林。
The Dalbergia hupeana natural forest being in the maturation phase of secondary succession belonged to the Deciduous Broadleaved Forest .
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徐连过渡带低山丘陵森林植被次生演替模式与生态恢复重建策略
Secondary Succession Model of Forest Vegetation and Strategies of Restoration and Rehabilitation of Low Mountains and Hills in Xu-Lian Ecotone
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滇中不同次生演替阶段植被类型对林冠截留的影响
The Effect of Vegetation at Different Secondary Succession Stages of Semi-Humid Evergreen Broadleaved on Interception in Central Yunnan , China
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苏北低山丘陵区森林次生演替过程中土壤养分的空间变异低山丘陵区红壤酸雨中典型阴离子垂直迁移状况及模拟
Spatial Variability of Soil Nutrition during the Process of Secondary Forest Succession in Low Mountainous and Hilly Area of Northern Jiangsu
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寒温带云冷杉林次生演替成亚高山草甸人工更新技术的研究
Study on man-made regeneration technique of ALM from secondary succession of dragon spruce and Faber fir forest in frigid and temperate zone
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结果表明:立地条件的差异和疫木不同采伐方式对植物群落次生演替的进程和方向都有不同程度的影响。
The results show that the differences and site conditions different harvesting methods to tree secondary succession of plant communities on the process and direction have varying degrees of impact .
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关联度分析结果表明,常绿阔叶林次生演替的潜在主导因子是群落的发育时间和土壤条件。
The conclusion with the metnod of degree of relatedness is that the latent leading factors to the secondary sere in the evergreen broad-leaved forest are recovery time and soil conduction of community .
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从森林涵养水源的角度,对黑龙江省东部山地5种次生演替灌木林类型的土壤和枯落物的持水性能进行了调查和分析。
With the concerns of forestry water conservation , soil and litter of five main facieses kinds of shrub in east mountainous region of Heilongjiang province were selected to test the water-holding capacity .
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主要乔木和灌木种的生态位特征反映了森林群落演替的变化规律,该地区呈现出以自然恢复为主,同时又伴随着人为干扰的森林群落次生演替系列。
The niches of the major arbor and shrub species reflect the succession patterns of forest communities , which show that the region appears to naturally recover but the sere affected by human interferences accompanies .
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火烧后15月内,土壤细菌群落发生了较明显的次生演替过程:火烧后1年即次年夏季,某些细菌群落恢复较为明显。
Soil microbial community occurred obvious secondary succession in 15 months after fire . Recovery of microorganism was more significant at 1 year after fire ( summer of the second year ) than other time .
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根据建群种与光照强度的关系研究了各群系的演替次序,构建了徐州低山丘陵森林植被次生演替模式。
According to the effects of light intensity on forest edificators , the successional relationships among the 12 formations are analyzed , and the secondary succession model of the forest vegetation on hills in Xuzhou is built .
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以大小级代替年龄结构对浙江天台山常绿阔叶林次生演替系列群落优势种群密度动态和分布格局进行了研究。
Using the size class instead of age structure , the density dynamic and the distribution patterns of the dominant populations were studied , which were in the secondary sere community of evergreen broad-leaved forests on Tiantai Mountain in Zhejiang Province .
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从垂直结构和物种多样性指数,测度分析了重庆市缙云山常绿阔叶林群落次生演替序列垂直结构与物种多样性的关系。
The relationship between the vertical structure in the secondary succession community of the evergreen broad leaved forests on the Jinyun mountains in Chongqing and species diversity in them was estimated and analyzed based on their vertical structure and species diversity index .
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对东部山地绣线菊灌丛、胡枝子灌丛、接骨木灌丛、珍珠梅灌丛和榛子灌丛几种次生演替灌木林的土壤水分动态进行了研究。
An experiment was conducted to study the soil water dynamics of several species of shrubs , such as Spiraea ussuriensis , Lespedeza bicolor , Sambucus mandshurica , Sorbaria sorbifolia , Corylus heterophylla , from May to October , 2004 in east mountainous areas of Heilongjiang Province .
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岭南林场次生林林分演替趋势的初步研究长白山杨桦次生林生长过程与演替动向分析
Growth Process and Succession Trend of Polar-Birch Secondary Forests in Changbai Mountain , Northeast China