论文部分内容阅读
第二章区域生态环境建设[教材分析]保护环境和发展经济,是当今世界普遍关注的重大问题。本章在第一章探讨区域地理环境与区域发展关系的基础上,进一步探讨区域生态环境与区域发展的关系。教材就当今世界上突出的生态环境问题,选择非常具有代表意义的两个案例,引导学生思考区域生态环境的建设对区域发展的重要性,并通过这些案例的学习,初步掌握研究区域可持续发展问题的一般方法。[教学设计]第一节荒漠化的防治一、荒漠化的含义1.展示相关图片或播放录像,创设问题的情境。通过展示荒漠化的发生和发展过程,讲清荒漠的含义。重点是让学生明确:①荒漠化是土地的退化过程,它不仅包括土地沙漠化,而且包括土地石质荒漠化和次生盐渍化;②荒漠化是由多种原因造成的,既有自然原因,又有人为原因;③荒漠化已成为中国乃至当今世界最为严重的生态环境问题之一。2.指导学生讨论完成“活动1”。让学生通过自我探究,总结土地荒漠化各个环节之间的联系与差异,完成知识的内化,培养学生运用地理科学术语描述一个地理现象、过程或地理问题的能力。
Chapter II Regional Ecological Environment Construction [Textbook Analysis] Protecting the environment and developing economy are major issues of common concern in today’s world. Based on the discussion of the relationship between regional geography and regional development in the first chapter, this chapter further explores the relationship between regional ecological environment and regional development. Textbooks on the outstanding ecological environment in today’s world, the choice of a very representative of the two cases, to guide students to think about the regional ecological environment for the importance of regional development, and through these cases, preliminary grasp of the study of regional sustainable development The general method of the problem. [Instructional Design] Section 1 Prevention and Control of Desertification I. Implications of Desertification 1. Presenting relevant pictures or playing video and creating problems. By demonstrating the occurrence and development of desertification, we should clarify the meaning of desertification. The key point is to make students clear: ① desertification is the process of land degradation, which includes not only land desertification, but also land stony desertification and secondary salinization; ② desertification is caused by a variety of reasons, both natural and others As the reason; ③ desertification has become one of the most serious ecological and environmental problems in China and the world today. 2. Guide students to discuss the completion of “Activity 1 ”. Allow students to self-explore, summarize the links and differences in all aspects of land desertification, complete the internalization of knowledge, and train students to use geography science terms to describe a geographical phenomenon, process or geographic ability.