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In the plant vegetations are mainly communities, the niche breadths vary greatly and the similarity ratios among different plants are very low.

植物群落内生态位宽度悬殊,植物种之间的生态位相似比例很小。

The niche breadths of same plants vary greatly among different communities and the competitive relations of the plant species in different communities vary depending on the combined actions of the niches of the species, stable landforms and soil conditions, and annual rainfall fluctuations.

同一种植物在不同群落中的生态位宽度变幅较大,不同群落内部植物种竞争关系的差异是由物种的生态位和由相对稳定的地貌、土壤条件以及随年际变动的降水条件共同作用的结果。

This paper analyzes the main problems of agricultural development in the southern area of Ningxia province, summarizes the 20-year experiences of the experimental zone in the area, and puts forward four different models of eco-agriculture, fruit-vegetable model, fruit-seedling model, grass-fruit-livestock.

针对宁夏南部退化山区农业发展中存在的主要问题,在总结试区多年工作经验的基础上,提出了适合于当地农村经济发展的4种生态农业模式,系统分析了各种生态农业模式的经济、社会和生态效益及其推广前景,为半干旱山区退耕还林还草和农业可持续发展提供科学依据与实践基础。

The main results include:(1) Ecological economy and landscape ecology are merged and applied in sustainable development evaluation of Beijing mountainous region. The landscape measure of regional sustainable development is to build a model landscape with reasonable structure, efficient function and harmonic relationship of ecological system.

主要取得的研究结果:(1)提出了生态经济理论与景观生态理论相结合进行北京山区可持续发展评价,区域可持续发展的景观途径就是将人类活动对于景观演化的影响导入良性循环,建立一种由结构合理、功能高效、关系协调的生态系统组成的模式景观,以实现区域可持续发展。

We have found that some natural ecosystem services value of Eucalyptus forest is less than that of montane rain forest by 85.82 million Yuan per year. And the decrease value is regarded as a part of natural input. Eucalyptus planting is a kind of mode to use natural resource, it will certainly bring much more economic and social services.

得出桉树人工林在自然生态服务功能方面比山地雨林降低的价值为0.8582亿元/年,我们认为其生态服务功能价值的降低是一种自然投入;发展桉树人工林是人类开发利用自然资源的一种方式,必然会产生强大的经济和社会服务功能。

The eco-tourism as a traveling and sightseeing of caring environment ,under the situation of not disturbing the natural region, protecting ecological environment, reducing the negative influence of traveling and providing beneficial social and economic activities situation to the local people, mainly through protection of environment, achieves the goal local ecology and population can develop sostenuto.

生态旅游作为一种对环境负责的旅游和观光行为,在不干扰自然地域、保护生态环境、降低旅游的负面影响和为当地人口提供有益的社会和经济活动的情况下,主要通过对环境的保护,达到使当地的生态和人口得以持续发展的目的。

Ecofeminism now constitutes a significant branch both in feminist and ecological criticism, containing a range of theoretical positions which rests on the assumption that there are critical connections between the anthropocentric domination of nature and the androcentric subjugation of women.

在生态女性主义看来,任何一种缺乏生态学视野、特别是妇女与自然的关联意识的女性主义,以及任何一种缺乏生态女性主义视野的环境哲学,都是有缺陷的。

The single-celled phytoplankton included 116 inshore wide distribution species, 31 inshore warm-water species and 26 inshore temperate species, and the vascular plants were of 6 ecological groups, i.e., halophtes (24 species), hydrophtes (22 species), amphiphytes (35 species ), mesopllytes (103 species), zerophytes (6 species), and psammons (4 species). Halophtes, hydrophtes, and amphiphytes were the edificators and dominants, reflecting the azonal feature of the wetland vegetations. The vascular plants were divided into 5 life-forms, including 20 phaenerophytes, 4 chamaephytes, 54 hemicryptophytes, 48 geophytes and 68 therophytes, among which, hemicryptophytes and geophytes accounted for 52.58%, reflecting the relatively important function of cold and wet climate and local water-accumulated bottomland environment on the vascular flora formation.

区系中的单细胞浮游藻类包括近岸广布种116种、近岸暖水种31种、近岸温带种26种;维管束植物被划分为6大生态类群,包括盐生植物24种、水生植物22种、湿生植物35种、中生植物103种、旱生植物6种、沙生植物4种,保护区内湿地植被的建群种、优势种均为水生植物、湿生植物或盐生植物,反映了湿地植被的隐域性;维管束植物按照生活型划分,有20种高位芽植物、4种地上芽植物、54种地面芽植物、48种地下芽植物和68种1年生植物,其中地面芽植物、地下芽植物占区系植物总种数的比例较高,占52.58%,反映冷湿气候和局部低洼积水环境对区系的形成起较重要作用。

The spatial planning on the watershed may help implementing ecosystem management. The related concepts applied in the planning included the model, advocated by Odum regarding the environments that human need, ecosystem classification, landscape ecology and ecological integrity, etc.

本研究的流域空间规划能帮助生态系统管理的实行,而规划所用的观念,包括:Odum提出的四种人类需求环境模型、生态系统分类、地景生态学以及生态完整性等。

But there was continuous variance among ten species, the strategies of ten species form a continuum.

但是十种植物的生态对策是多种多样的,它们在物种之间又有一定的连续性,并不能将所有的植物生态对策纳入几种主要类型。

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