seral stage是什么意思

用法例句

Patterns of Succession of Different Types of Wetland Vegetations in Shandong;

山东湿地植被类型和演替规律的研究

Plant community succession of degradation and desertification in sandy grassland.;

沙质草原植物群落退化与沙化演替

Soil seed bank of plant communities along restoring succession gradients in Horqin Sandy Land;

科尔沁沙地植被恢复演替进程中群落土壤种子库研究

Evolution and countermeasure of agro-ecoeconomic system in low-hilly red earth areas.;

低丘红壤区农业生态经济系统演替与对策——以江西省鹰潭市为例

Study on Resource-Dependent Cities Transformation and Industry Evolution Mechanism Based on Entropy Theory;

基于熵理论的资源型城市转型与产业演替机理研究

Based on the achievements of others, in this paper, I make an outline on Cathaysia Flora’s distribution, composition, origin, evolution, extinction,its comparison with global contemporaneous floras and so on.

文章在总结前人科研成果的基础上,择要对华夏植物群的分布、组成、起源、演替、绝灭以及与同期其他植物群的比较等作一综述。

The ecosystem development on the tailings wastelands is a primary succession,which provides a good opportunity for understanding the changes of soil microbial communities during the primary ecosystem succession.

尾矿废弃地是一种人为的裸地,其自然生态恢复过程表现为典型的生态系统原生演替过程。

The primary succession has taken place at the debris flow fan in the Huangbenliu Gully on the east slope of Gongga Mountain.

泥石流迹地形成植被原生演替系列。

The Agro-forestry model experiment of degraded terrain and vegetation succession in red soil of upper reaches of Lijiang River watershed, Guilin;

漓江流域红壤侵蚀区植被演替与复合农林试验

Soil anti-scouribility during vegetation succession of Ziwuling secondary forest;

子午岭次生林植被演替过程的土壤抗冲性

Current research status and prospects of vegetation succession on sandy land during its desertification process in semiarid regions of China.;

沙质草原沙漠化过程中植被演替研究现状和展望

The ecological culture has its own succession rhythm,which has experienced three forms.

生态文化的发展有自己特有的演替节律,它经历了从人与自然本然一体的古代形态生态文化,到人与自然关系异化二分的近代形态生态文化,再到人与自然融洽和谐的现代形态生态文化三个发展阶段,其发展过程呈现出由肯定到否定再到否定之否定的规律性特征。

Napahai Provincial Nature Reserve, approved to be designated in "International Important Wetland List" has resulted in regressive succession such as shrinking and fragile marshland, changed type, sharp reduction of waterfowl due to forest destruction, undue pasture and recent disordered tourism.

纳帕海省级自然保护区,2005年被批准列入"国际重要湿地名录"但是由于长期以来砍伐森林、排水垦殖、过度放牧,以及近期的无序旅游,导致沼泽地破碎萎缩,类型发生改变,严重退化,水禽锐减,形成逆向演替。

Widely distributed in the south of China, the limestone barren hills are a result of regressive succession under the intervention of long-term predatory farming activities of mankind.

我国南方石灰岩荒山分布范围广阔,目前荒山上的植被和自然环境在人类长期掠夺性农业活动的干预下向逆向演替。

A continuous-flow fermentation reactor in bench scale was used to study the structure and dominant composition, as well as ecological succession of climax community restricted by factors such as pH, ORP.

通过产酸发酵反应器的动态试验 ,考察生态因子 (pH、ORP)等制约的不同发酵类型顶极群落的结构、优势种群的组成和生态演替的规律 ,阐明不同发酵类型代谢及其顶极群落的典型特征 ,揭示产酸发酵过程中顶极群落内平衡与反馈调节的生理代谢机制 ,并以 pH值、ORP来表征生态演替过程中优势种群的生态位

Vegetation is an important biological factor in the ecological succession of wetland, and the main factor affecting the carbon storage and carbon fixation in wetland ecosystem.

处于潮滩湿地演替中后期的芦苇群落比处在生态演替早期的海三棱藨草群落具有更强的固碳能力,芦苇群落和海三棱藨草群落的年固碳能力分别为(1。

carefully analyzed the effect and eco-destroying of the open pit coal mines on the exploited area, and put forward the land redaimation practice,which applied the ecological succession principle to guide the open pit coal mines.

本文在认真分析研究国内外露天煤矿土地复垦的理论技术和工程实践的基础上，以生态学、采矿学、土壤学、农林学、水土保持、环境工程等学科的理论为指导，详细分析了露天煤炭开采对区域环境的影响及其生态破坏，提出了应用生态演替原理来指导露天煤矿的土地复垦实践。