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排序方式: 共有116条查询结果,搜索用时 15 毫秒
91.
2022年,联合国政府间气候变化专门委员会(IPCC)的第六次评估报告《气候变化2022:影响、适应和脆弱性》和中国气象局《中国气候变化蓝皮书(2022)》对外发布。文章简要介绍了其中有关气候变化的生态影响及适应对策的评估结果,并参考其他文献,介绍了有关中国的相关研究进展。第六次评估报告和相关研究表明,全球气候变暖及其引发的生态影响是十分显著的,主要包括:物候提前,植物生长季延长;物种分布区向极地移动或向高海拔地区移动、树线升高;物种局地灭绝或栖息地退缩;疫病发生频次或强度升高、范围扩大。这些生态影响在不同地区、不同类群间存在一定差异。全球要进一步采取必要的适应和减缓措施,应对不断加剧的气候变化对人类及其赖以生存的生态系统所带来的破坏与挑战。第六次评估报告和相关研究对我国如何应对气候变化也具有重要启示作用。为制定和提出科学合理的气候变化应对和缓解对策,我国急需进一步加强气候变化生态学及对策研究。  相似文献   
92.
《Sport Management Review》2015,18(3):421-435
Few studies have investigated the impact of mega-events on existing, inter-organisational relationships within regional tourism networks and how the event may change these relationships. This research explores the perceived impact of the 2011 Rugby World Cup (RWC 2011) on relationships and tie strength between Tourism Auckland (as the focal organisation) and its partner organisations. The research utilises an exploratory, qualitative case study approach. Data were collected using semi-structured pre- and post-event interviews, a formal survey and a documentation review. Emphasis was placed on comparing the intra-regional versus the inter-regional destination environment. The findings demonstrate the significant opportunities of a mega-event to strengthen existing relationships among organisations involved, and to build a valuable portfolio of both strong and weak ties. RWC 2011 positively impacted on intra-regional relationships as opposed to inter-regional relationships. A model is developed illustrating these findings. The findings can help practitioners to strategically leverage relationships, both intra- and inter-regionally. This would not only assist in attracting and delivering successful events in the future but also in creating more competitive destinations.  相似文献   
93.
由于城市化进程的快速发展,人民生活水平的日益提高,人们对居住环境的要求也越来越高,对房地产开发项目环境影响评价提出越来越明确的要求。以住宅小区建设项目为例,从施工期环境影响评价、营运期环境影响评价两个方面对房地产开发项目的环境影响评价进行了探讨。  相似文献   
94.
金融危机对我国家具出口的影响及应对策略   总被引:1,自引:0,他引:1  
目前,我国已成为世界家具的生产大国和出口大国。在金融危机的背景下,家具出口行业正在进行主动或被动的艰难转型,剖析它的变化能够为整个中国制造的产业升级带来许多启发。为此,文章根据目前我国家具出口现状,分析了金融危机对我国家具出口业带来的影响,并从中国家具出口企业、中国家具行业和外部环境三方面具体介绍了产生这些影响的原因,最后结合现状,提出了中国家具出口企业自身、中国家具行业及政府各自在金融危机下的应对之策。  相似文献   
95.
This study examined participants’ perceptions of learning, critical elements, and lasting impacts of their wilderness expeditions. Fifty-seven students, who completed a for-credit wilderness canoe expedition between 1993 and 2007 at the Augustana Campus, University of Alberta, participated in the investigation. Perceived learning most commonly related to nature and place appreciation, outdoor skills, group living, and self-awareness. Critical elements for learning were the experiential approach, group living, and nature and place immersion. In terms of lasting impacts of the expedition, perceived learning had changed since the expedition for 88% of students, especially in the areas of self-awareness, group living, and greater appreciation of the experience, due to reflection and the passage of time. Furthermore, the expedition had a lasting impact on students’ personal and professional lives, especially related to life experience, nature appreciation, confidence, and skill development. The findings support the notion that wilderness educational expeditions can provide significant and long-lasting learning (uniquely in the area of nature and place appreciation). Finally, because of the nature of educational expeditions, they lend themselves to the implementation of sound experiential pedagogical practices that promote active, engaged, and relevant learning.  相似文献   
96.
97.
《学校用计算机》2012,29(1-2):6-39
In this article the author focuses on signature pedagogies that are associated with different forms of educational technologies. The author categorizes forms of technologies that support the teaching and learning of mathematics in different ways, and identifies signature pedagogies associated with each category. Outcomes and impacts of different technologies are reviewed, as are implications of implementation, and the integration of signature pedagogies into teaching practices. In conclusion, the author asks whether technologies alone can bring about learning impacts, whether other key factors need to be in place, and the need to explore these integrally within future research.  相似文献   
98.
ABSTRACT

Students must be taught to understand the ethical issues associated with engineering and technology, which includes microethics and macroethics. This research examined the influence of cultural environment by comparing ethics-related education outcomes between educators in (1) the United States, (2) non-US Anglo, and (3) Western European countries who teach engineering students. In an increasingly globalised world where companies and projects draw from talent across countries, it is important to understand how different cultures educate future engineers about their ethical responsibilities. Survey results revealed that a majority of educators in all three groups viewed undergraduate and postgraduate education on ethics as insufficient. A higher percentage of non-US Anglo and Western European educators taught sustainability and environmental issues in their courses compared to US respondents. US educators taught codes of ethics, ethics in design, and safety more than those in Western Europe. Open-ended responses illuminated challenges and opportunities to improve ethics education.  相似文献   
99.
根据美国心理学家班杜拉的观察学习理论,本文从青少年对流行音乐的心理需求和流行音乐自身特点两个方面,对流行音乐在青少年中占有相当市场进行了原因分析,并对其在青少年中产生的影响进行了客观剖析,向广大传媒及成人社会提出注意的问题,让他们有意识地引导青少年正确面对流行音乐。  相似文献   
100.
Taiwanese textbooks play a central role in Taiwanese education. In the wake of the political reform and social protest movements of the 1970s and 1980s that prompted Taiwanese educational reform, critics have charged that traditional curricula tend to reinforce the dominant national Chinese cultural identity. The purpose of this article is to review recent research on the complex ideological processes in Taiwan’s school curriculum. The article begins with an overview of the political and social impact on social studies curricula in Taiwan from 1949 to the present, followed by a theoretical discussion of the interrelationship between school curriculum and political ideology using an analysis of Taiwanese textbooks as evidence. The article then suggests a number of classroom practices and methodologies for elementary and secondary school teachers in social studies classes.  相似文献   
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