GEOGRAPHY IN THREE WORLDS: HOW POPPER'S SYSTEM CAN HELP ELUCIDATE DICHOTOMIES AND CHANGES IN THE DISCIPLINE*

Popper's concept of Worlds 1. 2, and 3 is discussed briefly in the light of idealism and materialism and to illustrate the debate about reification and reductionism. Then six types of change in geography are classified as changes in the phenomenal environment (World 1) and in that part of the behavioral environment that constitutes World 3. These changes involve those comparisons within or between “Worlds” that identify future research problems.     

BITNET: A TOOL FOR COMMUNICATIONS AMONG GEOGRAPHERS*

BITNET is a telecommunications network for higher education. The network's general characteristics, services, the availability of BITNET to academic geographers, and their use of the system are examined. Although more than 80% of geography faculty in the United States and Canada are at BITNET-supported institutions, a survey of AAG Specialty Group chairs suggests that geographers' actual use of BITNET is relatively low.     

渐进发展:可持续发展战略的逻辑基础

人类社会长期的发展历史经历了野蛮时期的“受制于天”、农业革命的“受命于天”、工业革命的“人定胜天”和今日的“天人合一”人地关系渐进演化过程，这正是制定和实施可持续发展战略的逻辑基础所在。从这一逻辑基础出发，未来的可持续发展不仅需要着眼社会经济的稳定增长和科学技术的迅速发展，而且还需要强调当代和下一代人渐进发展心理素质的良好教育和进行资源利用的有效管理，而后者对制定与实施发展中国家可持续发展战略显得尤为重要。     

SMT: A SPATIAL MAPPING TOOL FOR STATISTICAL DATA SET

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