生态系统演替

生态系统演替过程的数学模型

The mathematical model of ecosystem succession

石河子地区泉水溢出带农业生态系统演替规律的初步研究&以石河子农学院实验农场为例

A Preliminary Research of Agricultural Ecosystem Succession Law in Spring Water Overflowing Belt of Shihezi Area ── Taking Experimental Farm of Shihezi Agricultural College as an Example

干扰与生态系统演替的空间分析

Spatial analysis of disturbances and ecosystem succession

在自然状态下，水文条件的变化是导致湿地生态系统演替的主要原因，特别是水分和盐分状况，是决定湿地植物群落分布和演替进程的直接因素。

Under the natural state , moisture and salt determine the distribution and evolution of plant community in wetland .

因此，可以通过调整人类的行为，促进退化河流生态系统演替方向的改变，从而实现其生态恢复的目标。

So , we can promote the direction change of the development of degradation in the river ecosystem , thus realize the goal of resuming in its ecology .

这从一个侧面反映了森林生态系统演替趋势，从而为木荷林的保护、群落结构与动态预测等提供科学依据。

At a certain degree , these results showed the succession tendency of the ecosystem of the forests . The results would offer scientific theories for reserving community structure and dynamic prediction of S.superba forests .

研究分析玛纳斯河流域石河子绿洲农业生态系统演替规律结果表明，随着技术投入和市场的开放，绿洲农业生产力呈正向演替，而与之相应的生态环境部分呈逆向演替。

The successional regulation of agroecosystem in Shihezi Oasis along Manas River was analyzed . It shows that ( oasis ) agricultural productivity is in the ( process ) of nomal succession and the relevant ecology environment becomes ( retrogressive ) succession with more technique inputing and market opening .

人类生给活动引起的森林草原生态系统的演替特征

Successional Features of Forested Grassland Ecosystem Caused by livelihood-action of Humanity

川中丘陵区农业生态系统的演替

Evolvement of Agro-ecosystem in the Hilly Area of the Central Sichuan Basin

沿海生态系统自然演替及食品生产功能；

Succession and food-generating functions of coastal ecosystem ;

在此基础上，本文成功地应用马氏链模型研究该森林生态系统的演替趋势。

Markov model can be used successfully for succession study of the forest ecosystem , as first developed by H.S.

它通过利用生态系统自然演替能力，加快生态恢复和水土流失的控制。

It plays significant role in ecological restoration in soil erosion areas by using the natural succession of ecological system .

火干扰是森林生态系统发生演替中的一个重要的组成部分，是决定森林物种组成、群落结构和生物多样性的主要影响因素。

Fire disturbance is an important part in the succession of forest ecosystems , which determines forest species composition , community structure and biodiversity .

利用负熵概念研究了生态系统的演替规律，并从中得到了一些有益的启示和结论。

The succession laws of ecological system is studied with the aid of negentropy , some helpful inspirations and conclusions have been gotten from it .

结果表明，自然环境的变化是试验区草地退化的根本原因，决定了草地生态系统逆向演替的总体趋势；

Results show that natural changes , which decide the trend of grassland succession , are the basic causes of grassland degradation in study area .

研究结果表明，根据土地类型所处的土地生态系统的演替阶段来判定土地退化程度，是目前比较简便而又切实可行的土地退化评价方法。

The results showed that it was a simple and practical method , which was based on the ecosystem succession stage of land types to assessment land degradation .

最后，根据喀斯特生态系统各个演替阶段的特征，提出相应的能促进喀斯特生态系统顺向演替的建议措施。

Finally , according to the characteristics of Karst ecosystem in each phase of succession , the paper puts forward some advice on boosting Karst ecosystem for positive succession .

动植物的相互作用，尤其是鸟类对植物种子的传播作用对森林生态系统的演替有着重要的生态学意义。

The reciprocity between the animals and the plants , especially the study of dispersal function between frugivorous birds and plant seeds has an important meaning for the succession of forest ecosystem .

在此基础上阐述黄河三角洲湿地生态系统的演替和演化特点，指出黄河三角洲处于正演替的同时，随着断流与污染等的负面影响亦处于逆向演替之中。

Furthermore , the author illustrates the wetland 's features of Huanghe delta ecosystem , including its successions and evolvement , and points out that both positive and negative successions exist because of the affections of pollution , current cession etc.

分析了公路建设干扰下生态系统的演替方向和植被类型的改变趋势，并从生态系统结构和功能两方面构建了公路建设干扰下生态系统变化的表征指标体系；

The changing trends of ecosystem succession and vegetation types were analyzed . The index system of the ecosystem changes caused by highway construction was set up from the aspects of ecosystem structure and functions . The mechanisms of ecosystem changes were discussed .

豆科植物能明显改善土壤结构和营养状况，并能改善土壤微环境，为其他植物的迁移、定居、生长创造条件，从而促进退化生态系统植被演替与恢复。

Legumes can significantly improve the structure of the soil , nutritional status , and the microenvironment of the soil , which can create the conditions for other plants migration , settlement and growth . Thus it can promote the succession and restoration of degraded ecosystem .

生物土壤结皮是退化生态系统植被演替与生态恢复的重要基础，但目前主要集中在荒漠生态系统，缺乏对草甸草原生物土壤结皮的研究。

The biological soil crusts are a basis of vegetation succession and ecosystem restoration in degraded terrestrial ecosystems . However , previous investigations mainly converged upon that in the extreme environment & desert ecosystem , whereas lacking the issues in better circumstance , like of meadow steppes .

生态系统优势种演替模型的定量分析

Quantitative analysis on succession models for dominant species in ecosystem

黄河三角洲生态系统特征与演替规律

The Characteristics and Succession Law of Ecosystem in the Yellow River Delta Area

这类研究的一个特殊应用是旨在监测生态系统的动态演替。

One particularly useful application of spatial patterns analysis is to monitor the dynamic of ecosystems succession .

环境预警是对环境质量退化和生态系统逆化演替的先觉性报警；

Environmental warning is defined by the author as giving a warning on environmental degeneration or ecological negative evolution to the public before an established fact .

景观生态系统的稳定和演替理论；

Theory of stability and evolution of landscape ecology ;

林隙在森林生态系统种群动态和演替中扮演着重要角色。

Gap played an important role in population dynamic and succession in forest ecology system .

农业生态系统模式的形成演替及其空间分布格局探讨。

Discussion on the main types of the formation and succession of agricultural ecosystems and their spatial distribution .

神农谷国家森林公园森林资源十分丰富，其森林生态系统在长期的演替过程中，受到地理位置、气候、水文、土壤以及地形等多种因素的影响，形成了独特的森林生态环境类型。

Shennong Gu national forest park forest owns rich resources , the forest ecosystem influenced by geography , climate , hydrology , soil and terrain of many kinds of factors in the long succession process formed its unique forest ecological environment type .