先驱者和演替植物群落据说是以1-500年的时间区间变化的。
Pioneer and successional plant communities are said to change over periods from 1 to 500 years.
演替中的第一个群落叫先锋群落,演替末的长寿群落称为顶极群落。
The first community in a succession is called a pioneer community, while the long-lived community at the end of succession is called a climax community.
生态学家使用“演替”一词来指植物群落和生态系统随时间发生的变化。
Ecologists use the term "succession" to refer to the changes that happen in plant communities and ecosystems over time.
至少在温带地区,最大的多样性通常出现在演替中期,而不是在顶极群落中。
At least in temperate zones, maximum diversity is often found in mid-successional stages, not in the climax community.
然后,土地若被荒废,则会发生次生演替,植物在更适宜的土壤中生长得更快。
If the land is then abandoned, a secondary succession will take over, developing much faster on the more hospitable soil.
在这个演替过程中,喜阳植物总是第一批“侵入者”,而那些喜阴植物紧随其后出现。
Light-loving species are always among the first invaders, while shade-tolerant species appear later in the succession.
演替的最终阶段,也就是克莱门茨和早期生态学家所称的顶级群落,同样是不可预测的,组成也不单一。
The final stage of a succession, called the climax by Clements and early ecologists, is likewise not predictable or of uniform composition.
克莱门茨和其他早期的生态学家认为,演替顺序中存在着几乎像法则一般的规律性,但这一点尚未得到证实。
Clements and other early ecologists saw almost lawlike regularity in the order of succession, but that has not been substantiated.
演替受到许多因素的影响:土壤的性质、暴露于阳光和风中的时间、降水的规律性、偶然的殖民和许多其他随机因素。
Succession is influenced by many factors: the nature of the soil, exposure to sun and wind, regularity of precipitation, chance colonizations, and many other random processes.
崇明东滩湿地鸟类群落的演替规律。
演替是植被动态的中心问题。
这两种鱼会使浮游植物群落向不同的方向演替。
Both species of fish make the phytoplankton communities succession towards different directions.
长期的水位变动在植物群落演替上扮演重要的角色。
Under moderate water level fluctuations, the species diversity will increase, and perennial water level fluctions play an important role in community succession.
轻度放牧或过度放牧都可以引起人工草地的退化演替。
Light grazing or over grazing lead to deteriorative succession of artificial sward.
对不同演替阶段30个群落样地的数量特征进行研究。
The quantitative characters of 30 community plots at different successional stages were studied.
不同演替群落中种群空间分布格局总体上仍是集群分布。
Aggregated pattern is prevalent at different successional stages of communities.
这说明塌陷塘的浮游生物演替不同于一般的水库和湖泊。
This explained that the succession of the plankton in subsidence pools differed from general reservoirs and lakes.
世界正在从工业经济时代向知识经济、信息经济时代演替。
The world changes from industry economy time to knowledge economy and information economy time.
相邻植被演替阶段鸟类群落的相似性高于相隔植被演替阶段。
The avian community similarity in between adjoining stages of vegetation succession was higher than that in between apart stages.
对如何促进赤松林演替为较高级的生态系统,进行了初步讨论。
How to accelerate succession of the red pine woods into a higher-grade ecosystem is discussed.
该方法对研究植物群落的分布及植被演替等内容是很有帮助的。
This method offers a great help to the study of plant community distribution and vegetation succession.
顺向和逆向演替是边缘型旅游地两种截然不同的动态演替模式。
The favorable and the adverse operating patterns are the two different dynamic operating patterns of the peripheral tourism areas.
微山湖在漫长的历史演替进程中逐步形成了自己独特的生态系统。
Lake Weishan have formed its own unique ecosystem in long historical succession advancement.
气候顶级群落:与稳定的气候平衡的植物群落,它代表演替的顶级。
Climatic climax a plant community that is in equilibrium with a stable climate. It represents the of a succession.
随着植被的逆向演替,土壤养分减少,导致低丘红壤生态系统恶化。
With the degeneration of vegetation, decreasing of soil nutrients results in regressive successions in red earth ecosystem.
浙江楠群落存在的这种竞争替代现象,表明群落尚处于进展演替阶段。
Such competition and substitution phenomenon indicate that the P. chekiangensis community is on the way of succession .
不同演替系列植物种的凋落物干物质分解与养分释放存在显著性差异。
There existed significant differences from DM decomposition and nutrients release between different successive series species.
元宝山冷杉不同群丛元宝山冷杉种群结构的差异反映了群落的演替过程。
The different population structures of Abies yuanbaoshanensis in different associations reflected the process of succession of community.
在针阔混交林向阔叶林演替过程中,物种丰富度指数表现为较大的波动性。
In the process of secondary succession from conifer - broadleaf forest to broadleaf forest, species richness fluctuated remarkably.
风景林地的分维数也仅有1.411,说明其自然生态演替受到人为干扰。
The calculated fractal dimension of scene forest is only 1.411, showing that its' nature zoology succession was interfered by human.
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