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- The regional ecological system is fragile. 区域生态系统脆弱。
- Forman R T T.Some general principles of landscape and regional ecology[J].Landscape Ecology, 1995(10) 133-142. [角媛梅;肖笃宁;马明国.;河西走廊典型绿洲景观格局比较研究[J]
- Informational asymmetric was obstructer interfering with making sure the direction of the program of the regional ecology construction. 摘要信息不对称已成为区域生态建设规划中明确规划方向的障碍。
- program of the regional ecology construction 生态建设规划
- Abstract: Alternative tourism planning and design must presuppose preserving regional ecology system, and ecological planning and design should be key principle in all tourism products. 摘要:替代性旅游(大众旅游)核心是它的规划设计必须建立在保护当地生态环境的前提基础上,旅游的生态原则是贯穿各种产品链的主线。
- Results Landscape scale is the right scale to assess regional ecological Security. 结果景观尺度是区域生态安全评价的适宜尺度。
- The concepts and the computative measures of time and regional ecological indices were put forward. 同时提出时间生态指数和地区生态指数的概念和计算方法。
- At present, the quality of the regional ecological environment is an important issue that muse be firstly studied and resolved. 区域生态环境质量问题,是当今全人类共同面对、必须优先研究并且迫切需要解决的重大问题。
- Regional ecological security research has the macroscopic and target characteristics, and the assessment standards are relative and in development. 区域生态安全研究具有宏观性和针对性的特点,评价标准具有相对性和发展性。
- Methods used in common in mathematical model and landscape ecology can reflect well the present status of regional ecological pressure and compare breadthwise between regions. 目前常用的数学模型法和景观生态学方法,对揭示区域生态压力的现状和进行区域横向比较具有良好效果,但是缺乏历史纵向比较。
- By the analysis of the tendency of regional ecological security from 1990 in Yulin, we can find that ecological security of Yulin presents a power function development. 通过对榆林市1990年以来生态安全变化趋势分析可知:榆林市的生态安全状况呈现出幂函数发展态势。
- Bamboo pulp industry is beneficial to the forest resources conservation by "substituting bamboo for wood", the mountain region ecological environ... 提出了加大投资力度、培育规模化的优质原料基地,选择优良竹种、提高造纸原料质量等加快竹浆产业发展的具体措施。
- The Economic Analysis on Regional Ecology Economy System 区域生态经济系统发展的经济学审视
- The author suggests that the region ecologic discrepancies and the different productivity of soil CO2 is the main cause of the variability of the stalagmite carbon isotope. 作者认为,洞穴区域性生态差异与土壤CO2产率不同是导致石笋碳同位素复杂多变的主要原因。
- Our team won the regional laurels. 我们的球队赢得了地区冠军。
- Most insect do not live in polar region. 大多数的昆虫不在极地地区生存。
- The earthquake may cause a region to fall in. 地震可以使一个地区下陷。
- Abstract:Urban wetlands have important ecological and environmental functions and aesthetic entertainment value, and cultural and historical value, and play an important role in maintaining regional ecological balance and protecting biological diversity. 摘要:城市湿地具有重要的生态和环境功能以及美学娱乐价值、文化历史价值,在维持区域生态平衡,保护生物多样性方面具有重要作用。
- From the system of evaluation system and the model of ecological security, this paper researches the goal and task for applying data mining in expert system of regional ecological security assessment. 摘要从生态安全模型与评价指标体系入手,研究了数据挖掘技术在区域生态安全评价专家系统中的应用目标与任务;
- Storms spring up easily in this region. 这个地区很容易发生风暴。