海水养殖对生态环境影响的国内外研究动态

海水养殖,特别是高位虾池养殖是近年来养殖业发展的新趋势,在其带来巨大经济效益的同时,也对周边生态环境带来巨大的威胁和破坏.为此,针对海水养殖对生态环境所带来的各种影响进行综述.     

Human adaptation to climate change: a review of three historical cases and some general perspectives

To study mitigation and adaptation to climate change, social scientists have drawn on different approaches, particularly sociological approaches to the future and comparative history of past societies. These two approaches frame the social and temporal boundaries of decision-making collectivities in different ways. A consideration of the responses to climate variability in three historical cases, the Classic Maya of Mexico and Central America, the Viking settlements in Greenland, and the US Dust Bowl, shows the value of integrating these two approaches.     

陇西立交枢纽生态绿化工程研究

在陇西立交枢纽的设计和施工工程中，以恢复和优化公路生态环境，提高行车的安全和舒适性为目的，把绿化和植被恢复作为一个重要因子进行全血考虑，使植物材料搭配，经过一年的实践已被见成效。     

耕地资源的可持续发展探讨

耕地是重要的发展源，也最易受到毁坏，在系统分析我国耕地不断减少和污染，退化的原因的基础上，提出了全面加强耕地资源保护及其可持续发展的途径和对策。     

“城郊型农副业综合经营生态区”探讨

介绍了上海闽行区近年来大中型禽畜场污染治理的典型技术。根据该区的实践及其发展趋势来看,建立“城郊型农副业综合经营生态区“模式势在必行。文章还探讨了“城郊型农副业综合经营生态区”的特征、必要条件以及功能区划方案等。     

Analysis on reasons for the Yellow River''s dry-up and its  eco-environmental impacts

The Yellow River, or Huanghe, is one of the most important river in China. It is the major water resources for north and northwest China. Since 1972, the Yellow River's dry-up has occurred frequently and become even more year by year. Except the huge loss to social life and economic development, the Yellow River's dry-up brings about great impacts to eco-environment. This paper analyzed the reasons and impacts from multi-aspect: effects of climate change, influence of human activities and impacts to delta's eco-environment, aquatic life resources, agricultural eco- environment, water pollution and flood prevention as well.     

两种共生模式之比较

在对两种共生模式—生态工业园和绿色供应链作了基本解释和案例分析后，比较了这两种模式的共性和异性，得出了它们在生态工业体系建设中具有统一性和互补性的结论，对建设城市生态工业体系提出了看法。     

购买审计与生态导向型消费探析

生态导向型消费需要政府采取一些措施来鼓励或强迫消费者在产品消费中符合环保要求。购买审计便是对消费者市场施加影响的手段之一，是内部审计的重要组成部分，它包括评估所有与购买商品和服务相关的组织政策和行为对环境的影响。探讨了地方政府购买行为对环境的影响和如何减少这些影响的方法，以及购买审计对生态导向型消费的影响。包括：购买审计的方法、生态型购买政策的成功实施、购买审计对生态型消费的影响。     

加快龙岩生态城市建设步伐

论述了建设生态城市的意义，提出了加快建设生态城市应做到五个结合。     

Landscape Structure and Historical Processes Along Diked European Valleys: A Case Study of the Arc/Isère Confluence (Savoie, France)

/ The valleys of European piedmonts constitute changing narrow corridors within which water, matter, nutrients, energy, and species flow. The dispersion patterns of these flows have been significantly disturbed since the end of the 18th century. Thus, western European valleys have been changed into complex mosaics by implementation of socioeconomical programs. In order to define future actions allowing the preservation of this "ecocomplex" (Blandin and Lamotte 1988), it is necessary to gather precise information of the landscape dynamics. Hence, the study of the European river valleys must be based upon two major steps: (1)the analysis of the present landscape with suitable remote sensing techniques, allowing us to map the complex mosaic of narrow corridors; and (2) the analysis of temporal landscape development patterns since the first engineering works that have transformed the braided channel system. In this paper, the efficiency of the addition of two techniques is highlighted: (1) the "wavelet merging method" from multispectral and panchromatic SPOT images for the floodplain land-cover mapping, and (2) the historical reconstruction techniques from old maps and archive documents in order to analyze the cumulative impacts of engineering works on landscape diversity. To illustrate the method, a particularly complex case study is chosen: the Arc/Isere confluence (downstream from Albertville, Savoie, France). Remote sensing, field survey, and historical reconstruction allowed us to distinguish two types of spatial units: (1) the "functional sets" characterized by independent state factors (edaphic, hydrological, and topographic) and supporting a limited number of vegetation types (spontaneous or cultivated), and (2) the functional unit (= ecotope), which corresponds to a unique combination of vegetation type/functional set.KEY WORDS: Landscape ecology; Floodplains; Vegetation; Land use; Remote sensing; Historical reconstruction; Mapping; Merging methods; Human impacts; Alps; Isere river; France