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This paper explores the placement and function of the discipline of geography in the expansion of the Japanese empire, doing so through the prism of the work and field research of Tada Fumio, a leading geographer in Japan both before and after 1945. This examination of this aspect of Tada Fumio's career and its interweaving with the construction and consolidation of Japan's empire will broaden recent studies of imperial Japan's simultaneous encounter with geopolitics and fascism while engaging with Japan's developing ideas about geography as a political and cultural discipline. This paper demonstrates the importance of the entwined histories of Japanese and German geographers in the Japanese empire, as well as documenting Tada Fumio's activities in Manchuria (northeast China) and on the Korean peninsula. Finally, the paper reveals fissures in the historical record of Japanese geographers in continental Asia and, until such time as more subaltern voices can be found, seeks to lay down the foundation for further research on the study of geography in the Japanese empire. • Connections between German, Japanese and Korean Geographers prior to 1945. • Teaching and research in academic geography in the Japanese Empire. • Tada Fumio's connections with Keijo Imperial University, colonial Korea and Japanese Empire. • Field work expeditions including Tada Fumio to Manchuria and Mengjiang. [ABSTRACT FROM AUTHOR]

Abstract: Large numbers of groundstone tools have been uncovered from archaeological sites in the Early Neolithic period in China. Traditionally they are often regarded as agricultural tools for processing cereals. In this paper we report preliminary starch grain analysis of groundstone tools from Baiyinchanghan site to gain a better understanding of use of these tools in the Northeast China. We found that starch grains on these groundstone tools are most likely from Quercus sp. The result of this study indicates that many groundstone tools for the Early Neolithic period were used to process wild and domesticated plants alike. [Copyright &y& Elsevier]

To accurately model the regional climatic effects of land use/cover change processes, precise reconstructions of historical land cover are essential. Over the past 300 years, the northeastern region has undergone more significant land cover change than any other region in China owing to large numbers of farmer migrants from North China, reflecting the tremendous effects human activities can have on such changes. In this paper, based on official statistical data, documentary records, survey data. and modern remote-sensing data and vegetation and soil maps, land cover changes across Northeast China over the past 300 years have been reconstructed through cropland data calibrations using correlation analysis, potential vegetation reconstructions, urban area estimations, spatial analyses of land cover type changes by K-mean clustering analysis, and consideration of land use driving forces. The results indicate that cropland expanded gradually from south to north through the cities of Shenyang, Jilin, and Ha'erbin as well as out to the margins of the central plain of Northeast China, with a maximum expansion occurring in the 1950s. Pristine forests and grasslands diminished significantly, especially in the early twentieth century, due to this expansion of cropland. The conclusions drawn from these results are, first, that these results provide a scientific understanding of the process by which the original land cover was replaced by cropland in Northeast China over the past 300 years. Second, the results enabled the development of a series of land use/cover changes maps with 50-100 year time resolutions and county-level spatial resolutions. Based on the reconstructed results of these land cover type changes, the dynamics and causes of land cover changes are discussed in their social-historical contexts. [ABSTRACT FROM AUTHOR]

Abstract: Recent studies have highlighted the long-distance transport of obsidian from the Paektusan (Tianchi or Baitoushan in Chinese) volcano on the border between China and North Korea to eastern Russia and Korea, but little is known about the role of the local population in the production and movement or exchange of this important raw material. This paper addresses this data lacuna by presenting sourcing results of 440 artifacts from 18 Late Paleolithic sites located in northeast China. A portable XRF enabled rapid non-destructive characterization of samples. The results show that although Paektusan obsidian was widely transported throughout northeast Asia, material from at least three other sources was also used. In particular, we highlight the significance of basaltic glass artifacts with the same geochemistry as sources found in the Primorye region of Far East Russia in sites from northeast China. This result indicates a two-way movement of volcanic glass artifacts between Primorye and the northeast of China rather than a unidirectional long-distance exchange system originating from Paektusan Volcano. [Copyright &y& Elsevier]

Studies of historical change in cultivated land use in Northeast China have become important in the discussion of food supply safety and the reconstruction of land use/cover changes in China. This paper subjects a number of sources relating to land use change in the three provinces of Northeast China to comparative analysis. The data examined include Russian survey data (1914), data from local and regional Chinese governments during the Republic of China (1931), data from the Japanese Society of Manchuria Railway (SMR) for 1940 and various sets of contemporary Chinese data for the second half of the 20th century. A unified method of reconstructing the data and estimating the rate of cultivated land use change in Northeast China during the 20th century is developed here. A relational model is proposed for this purpose. It establishes a general framework for relating the various sets of data generated in different time periods and indicates ways in which the data have to be calibrated to ensure their comparability. The calibration of the data involves correlation and regression analysis. The results of the comparative analysis show that the area of and rate of change in cultivated land use in Northeast China increased until the last decade of the twentieth century. Increase rates were particularly high between 1914–1931 and 1950–1960. [Copyright &y& Elsevier]