生态学的

Since 1966, the British educator Ashby proposed the concept of ecology of higher education, application of ecological theory and methods of higher education is becoming a trend.

自从1966年英国教育学家阿什比提出高等教育生态学的概念，应用生态学的理论和方法研究高等教育逐渐成为一种趋势。

In this paper, we make an analysis on the conformation and function flow of urban ecosystem.

城市生态学将城市作为一个生态系统来进行研究，是生态学的一个重要分支[1]，特别是随着我国生态城市建设热潮的兴起，越来越受到众多学者的重视。

This paper discusses the cultural environment of historic city from the ecological point of view,establishing the concepts of cultural gene,cultural species,and cultural ecology,confirming the valuable cultural species which should be paid attention to,especially the rareness and the declining species.

提要 本文从生态学角度研究历史文化名城的文化环境。建立了城市文化生态系统的文化基因、文化物种、文化生态学的概念，确定了历史文化名城中有价值的文化物种，分析了物种在系统中的数量和变化状况。

Density dependent is an important mechanism of the creature community self-adjustment,and an important principle in ecology.

种群密度制约是种群自我调节的重要机制，是生态学的重要原理之一，而且被列为恢复生态学的重要原理之一。

In this text, the natural-ecological sensitiveness appraisal system of Forest Parks in mountain region was set up.

依据生态学和景观生态学的相关理论，筛选出对森林公园规划设计具有重要影响的各层评价指标因子，并确定了评价指标因子的分级标准。

The persistence, existence, stability and global attractivity of periodic solutions of Lotka-Volterra systems are an important direction of mathematical ecology research. It has been an important topic to give a definite criterion of the properties of a complicated ecological system. Many ecologist and mathematician have paid much attention in this field.

生态系统的持久性、周期解的存在性及稳定性、全局吸引性等问题是数学生态学理论中的一个重要研究内容，对上述问题给出明确的判定准则是数学生态学的一个重要课题，历来受到生态学家与数学家的广泛重视。

Based on soil desertification between agriculture and husbandry interlace zone in north of Shannxi Province, on the basis of theories of landscape ecology、land resource and principle of soil genesic science, through field surveying data and indoor analyzing, the properties of soil physical, chemical and biological characteristics are systemic analyzed about desertification soil of different vegetation cover rate and type, achieving primary achievements and important evolves are as follows:Ⅰ.

本研究基于当前全球荒漠化危害现状及国内外荒漠化防治中恢复生态学的发展需要，以陕北农牧交错带土地荒漠化问题为研究对象，应用景观生态学理论、土地资源学和土壤发生学的基本原理，在野外考察、资料收集和室内测定分析的基础上，对不同植被盖度和植被类型荒漠化土地的土壤理化性质和生物学性质进行系统分析，取得的主要成果如下： 1。

Horn F P%Hodson J%Mot J J%Brougham R W Grazing-land research at plant-animal interface USAD Office of International Cooperation and Development and USDA Agricultural Research Service Published by Winrock Internaional , 1987,null

任继周%朱兴运中国河西走廊草地农业的基本格局和它的系统相悖——草原退化的机理初探 10.3321/j.issn：1004-5759.1995.01.002 草业学报， 1995，(01)韩士杰%廖利平%姜凤歧关于森林界面生态学的思考应用生态学报， 1998，(05)安树青生态学词典哈尔滨：东北林业大学出版社， 1994，null

The comparative study of the two pedigrees is significant for the prospects of social ecology in proper positioning and promotion of the research.

两个谱系的一致性与区别对展望社会生态学的发展趋势、正确定位和推动中国社会生态学的深入研究，具有重要的启示意义。

With the going deep in understanding of Ecology, more and more eco-methods were emerged in bird strike control and prevention.

随着对生态学的认识逐步加深，目前国际上出现了越来越多的以生态学手段防治机场周围鸟害的方法。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。