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  • SAGE Publications  (15)
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  • Geography  (15)
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  • SAGE Publications  (15)
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  • English  (15)
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  • Geography  (15)
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  • 1
    In: The Holocene, SAGE Publications, Vol. 31, No. 2 ( 2021-02), p. 165-168
    Abstract: Identifying and explaining changes in the prehistoric material and social world is one of the greatest research interests in archaeology, palaeoclimate and environmental science. In the last two decades or so, a considerable number of studies have made significant contributions to the associated disciplines in eastern Asian archaeology. However, due to the more specialised scientific approaches and the rapid accumulation of new excavation materials, it becomes increasingly difficult for scholars to examine and correlate research outputs from different areas and achieve a holistic picture of the past. Using eastern Asian archaeology as an example, this Special Issue aims to break down the disciplinary boundaries and present the current research debate on how to correlate different climate, environmental and social changes and explain human past. One of the fundamental issues is the lack of adequate chronological resolution to order various archaeological events. To tackle this, a large number of radiocarbon dates, primarily derived from short- lived materials, are provided in the Special Issue. A great variety of changes in local environment, agricultural practice, animal husbandry, technologies, migration, demography and social organisations are revealed in the following papers but there are two profound drivers to all of these changes. One is the broad climate change since the start of the Holocene and the other is the communication between the West and the East.
    Type of Medium: Online Resource
    ISSN: 0959-6836 , 1477-0911
    RVK:
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2021
    detail.hit.zdb_id: 2027956-5
    SSG: 14
    SSG: 3,4
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  • 2
    In: The Holocene, SAGE Publications, Vol. 29, No. 1 ( 2019-01), p. 173-180
    Abstract: This study presents new archaeobotanical evidence for agricultural production in the middle Yellow River region during the Yangshao culture period. Phytolith analyses, together with radiocarbon dating of samples from 10 sites in Zhengzhou, showed that common millet and foxtail millet were cultivated with rice in the region around 4000–3000 cal BC. The ratio of crop remains revealed that common millet was dominant in the crop structure. Rice cultivation was no longer confined to large sites situated in the lowlands and began to spread into the hilly lands and small sites. Furthermore, both dryland and wetland systems may have been used for rice cultivation. This pattern of crop production may have been mainly influenced by social background and artificial selection, which overcame the limitation of environmental factors. Such development of Yangshao agriculture facilitated the establishment of an agricultural society during the fourth millennium BC. It also has implications for understanding the reason why the middle Yellow River region (Central Plain) became known as ‘the cradle of Chinese civilization’.
    Type of Medium: Online Resource
    ISSN: 0959-6836 , 1477-0911
    RVK:
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2019
    detail.hit.zdb_id: 2027956-5
    SSG: 14
    SSG: 3,4
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  • 3
    In: The Holocene, SAGE Publications, Vol. 19, No. 6 ( 2009-09), p. 811-821
    Abstract: Coupled high-resolution Sr/Ca and δ 18 O records of a modern and a mid-Holocene coral from Sanya in the southern Hainan Island, northern South China Sea (SCS), were reported and the residual δ 18 O (Δδ 18 O) were calculated to indicate precipitation change in this region. Unlike other paleoclimate studies, this study focused on changes of precipitation time rather than precipitation amount. As negative Δδ 18 O peaks in coral generally correspond to peak precipitations or rainy seasons in the surrounding region, the time offsets between negative Δδ 18 O peaks and other seasonal indicators, such as sea surface temperature (SST), can well indicate the time of rainy seasons, and the precise time offsets can be estimated by the method of cross spectral analysis. The results of the modern coral indicate that the variation of the coral Δδ 18 O lags that of the instrumental measured precipitation by about 2 months, and about 3 months to the SST derived from coral Sr/Ca ratios. This agrees well with the modern observation that the salinity change in the southern coastal regions generally lags that of the precipitation in Hianan Island by about 2 months, and the precipitation change lags about 1 month behind the SST in this region. Thus, coral Δδ 18 O records can be a reliable proxy for the change of rainy seasons in this region. The results of the mid-Holocene coral show about 2.5 months’ leading of the Δδ 18 O variation ahead of the SST. By compensating the approximate 3 months’ lag of the Δδ 18 O variation behind the SST in modern time, the occurrence of rainy seasons during the mid Holocene may have advanced about 5—6 months. In detail, it may start around December and end around April to May with maximum occurring around February. Therefore, rainy seasons mainly occur in winter through early spring during the mid Holocene, compared with that from May through October in modern times. Such precipitation patterns appear to agree with the mid-Holocene pollen records in this region. Variations of large-scale circulation may possibly result in such a different precipitation pattern. Further studies, in particular climate model studies collaborated with meteorologists, are required for a better understanding of the mechanism.
    Type of Medium: Online Resource
    ISSN: 0959-6836 , 1477-0911
    RVK:
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2009
    detail.hit.zdb_id: 2027956-5
    SSG: 14
    SSG: 3,4
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  • 4
    In: Progress in Physical Geography: Earth and Environment, SAGE Publications, Vol. 45, No. 1 ( 2021-02), p. 98-114
    Abstract: Understanding the relationships among multiple ecosystem services could improve the landscape capacity to provide benefits to human society. However, the underlying mechanisms shaping ecosystem services relationships are still unclear although some studies have been conducted to explore how natural and socioeconomic factors influence the relationships among ecosystem services. In this study, the karst landscape in southwestern China, a vulnerable system with intensive human activities, was focused on, aiming to explore relationships between ecosystem services and associated social and ecological factors. The results showed that the distribution of eight individual ecosystem services were spatially heterogeneous and clustered based on the characteristics of the karst landscape. The relationships between provisioning services and regulating services, such as grain production and net primary productivity, as well as water yield and soil retention, were quite different between high karst coverage regions and low karst coverage regions. Among five ecosystem service bundles identified, ecosystem services in the urban development bundle were mainly determined by socioeconomic factors, while in the other four bundles of multifunction, grain production, habitat conservation, and carbon sequestration, ecosystem services were dominated by ecological factors. However, socioeconomic factors (i.e. population density and night-time light intensity) appeared to explain the overall ecosystem service delivery more than karst terrain. This study provided insights for sustainable ecosystem management in a vulnerable karst region through exploring social-ecological factors of the relationships among ecosystem services.
    Type of Medium: Online Resource
    ISSN: 0309-1333 , 1477-0296
    RVK:
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2021
    detail.hit.zdb_id: 2006623-5
    SSG: 14
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  • 5
    In: The Holocene, SAGE Publications, Vol. 33, No. 2 ( 2023-02), p. 194-207
    Abstract: The causes of prehistoric human migrations in the drylands of the Asian interior have long been debated among multidisciplinary scholars. The Bronze Age Xiaohe settlements (ca. 4000–3300 cal yr BP) are situated in the extremely arid Tarim Basin of northwest China and exemplify a societal collapse which included a long-distance movement along river catchments. Here, we present the results of stable carbon isotope values (δ 13 C) of archaeobotanical remains, sedimentary faces analysis from the Tarim River catchment, and a compilation of palaeo-environmental evidence in order to investigate potential relationships between regional environmental changes and the response of prehistoric societies in this arid region. Results suggest that the early Xiaohe population was forced to migrate as a consequence of the deterioration of hydrological conditions around settlements. The decline of Xiaohe Culture occurred in the context of decreasing water availability in the basin interior due to climatic change lasting several hundred years. Results are potentially significant for the management of ecologically fragile dryland habitats, particularly the watershed terminus area, threatened by ongoing climate change, specifically in the context of the need to manage scarce water resources to promote sustainable socioeconomic development.
    Type of Medium: Online Resource
    ISSN: 0959-6836 , 1477-0911
    RVK:
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2023
    detail.hit.zdb_id: 2027956-5
    SSG: 14
    SSG: 3,4
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  • 6
    In: The Holocene, SAGE Publications, Vol. 28, No. 4 ( 2018-04), p. 621-628
    Type of Medium: Online Resource
    ISSN: 0959-6836 , 1477-0911
    RVK:
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2018
    detail.hit.zdb_id: 2027956-5
    SSG: 14
    SSG: 3,4
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  • 7
    Online Resource
    Online Resource
    SAGE Publications ; 2020
    In:  Progress in Physical Geography: Earth and Environment Vol. 44, No. 1 ( 2020-02), p. 14-30
    In: Progress in Physical Geography: Earth and Environment, SAGE Publications, Vol. 44, No. 1 ( 2020-02), p. 14-30
    Abstract: Physical geography focuses on the Earth surface system and is dedicated to revealing how people affect the environment and how the environment reacts to people. Based on its characteristic spatial cognitive perspective, the inductive–deductive combined approach, and the comprehensive research paradigm that integrates multiple elements, processes, and scales, physical geography always provides an important scientific basis for understanding human–nature interactions and solving sustainable development issues in different eras. Putting theory into practice, physical geography plays a pivotal role in realizing the UN Sustainable Development Goals and China’s goal of ecological civilization. At present, China is in a stage of rapid socio-economic development and global conditions are changing more quickly than ever. Based on its disciplinary characteristics and traditional advantages, physical geography in China should always develop around social needs and play an increasing role in resource- and environment-related policies and outreach. Future development of physical geography as a discipline in China is expected, taking spatial cognition as the basic perspective and human–nature interaction as the core content, along with the combination of deductive and inductive approaches and the strengthening of interregional integration, all under the goal of sustainability. Considering the shared environmental challenges and the complexity of interconnections between countries in the context of globalization, the academic exploration and practice of physical geography in China have been providing scientific support for the sustainable development of China and beyond.
    Type of Medium: Online Resource
    ISSN: 0309-1333 , 1477-0296
    RVK:
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2020
    detail.hit.zdb_id: 2006623-5
    SSG: 14
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  • 8
    In: The Holocene, SAGE Publications, Vol. 29, No. 6 ( 2019-06), p. 1030-1044
    Abstract: The ancient Loulan, situated on the west bank of Lake Lop Nur, Xinjiang, Northwest China, was an important town on the Silk Road connecting China to Europe. However, this once-prosperous kingdom has been a depopulated zone filled with wind-eroded mounds since approximately AD 500–600. A comprehensive understanding of the environmental setting of the flourishing Loulan civilization is a prerequisite for assessing environment–human interaction there. Here, we present our survey, chronology, and archaeobotany (the identification of plant remains) of vegetation use for architecture from eight ancient ruins of the Loulan kingdom to clarify the ecological landscape on the west bank of Lake Lop Nur and to assess paleoenvironmental conditions when the Loulan kingdom flourished. Our results suggest that Populus euphratica, tamarisk ( Tamarix Linn), and reed ( Phragmites Trin.) were most widely used as building materials in this period. Wood utilization for buildings depended entirely on indigenous vegetation rather than that of the mountains in the Loulan kingdom, even though the Loulan was a predominant transportation hub on the prosperous Silk Road. Our reconstruction indicates that the west bank of Lake Lop Nur was sufficiently wetter than present conditions to support riparian forest growth composed mainly of P. euphratica, tamarisk shrubs, and reed meadows, until approximately AD 500. These wetter conditions and flourishing civilization accompanied an increase in precipitation in arid central Asia. Conversely, combined evidence of both archeological and paleoclimatic records from the water sources of Lake Lop Nur and ancient oases suggest that abrupt decreased mountain precipitation could be considered a significant environmental factor in the decline of Loulan kingdom.
    Type of Medium: Online Resource
    ISSN: 0959-6836 , 1477-0911
    RVK:
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2019
    detail.hit.zdb_id: 2027956-5
    SSG: 14
    SSG: 3,4
    Location Call Number Limitation Availability
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  • 9
    In: The Holocene, SAGE Publications, Vol. 33, No. 2 ( 2023-02), p. 147-158
    Abstract: The emergence and intensification of transcontinental exchange during both the Late Neolithic and Bronze Age profoundly influenced the social history of Eurasia. While scholars have intensively discussed east-west long-distance communication along the proto-Silk Road, the north-south transport networks that connected China to South and Southeast Asia during the Late Neolithic and Bronze Age have attracted much less attention in the scholarly literature based on archeological science data. In this paper, we find new radiocarbon dates from 11 Neolithic and Bronze Age sites in northwestern and central Yunnan in Southwest China, a key entrance into South and Southeast Asia from China. Combined with previously published archeological records and radiocarbon dates, we attempt to disentangle and understand the timing and routes of the networks linking China to South and Southeast Asia during the Late Neolithic and Bronze Age. We propose three north-south land routes that played essential roles in the cultural exchanges in addition to the proto-Silk Road and maritime routes. This includes the trans-Himalayan routes, trans-Hengduan Mountain routes, and the trans-Yunnan–Guizhou Plateau routes. The north-south exchange between China and South and Southeast Asia probably emerged in the fifth millennium BP (before the present) mainly through a low-frequency trans-Yunnan–Guizhou Plateau and trans-Himalayan routes. The exchange frequency significantly increased after the fourth millennium BP, with the synchronous development of the three primary north-south passageways. Trans-Hengduan routes might have been the most crucial artery connecting China and South and Southeast Asia during 3000–2200 BP, but more archeological records are needed to understand the detailed evolution of these transport networks.
    Type of Medium: Online Resource
    ISSN: 0959-6836 , 1477-0911
    RVK:
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2023
    detail.hit.zdb_id: 2027956-5
    SSG: 14
    SSG: 3,4
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  • 10
    Online Resource
    Online Resource
    SAGE Publications ; 2022
    In:  Progress in Physical Geography: Earth and Environment Vol. 46, No. 6 ( 2022-12), p. 846-868
    In: Progress in Physical Geography: Earth and Environment, SAGE Publications, Vol. 46, No. 6 ( 2022-12), p. 846-868
    Abstract: Aquatic environments are hot spots of nitrogen (N) cycling and nitrous oxide (N 2 O) emission. Understanding key N biogeochemical processes and N 2 O dynamics is critical for uncovering the responses of aquatic environments to human activities. In this study, we summarized the development of techniques and approaches for determination of N cycling processes and N 2 O sources in aquatic environments of China. We also reviewed the main N transformation processes and associated biogeochemical controls in aquatic environments of China (e.g., constructed wetlands, paddy fields, lakes, rivers, aquaculture ponds, and estuaries and coasts). In addition, we further synthesized N 2 O dynamics in these aquatic environments. The results suggested that N cycling processes have been greatly concerned in various aquatic environments of China, whereas more comprehensive analyses of N cycling processes are still sparse for projecting N fates and dynamics in response to changing environments, largely limiting the implementation of N management strategy of China. Aquatic environments of China may be the important sources of atmospheric N 2 O, but the production and consumption processes of N 2 O need to be further studied for effective greenhouse gas mitigation. We also argued that it is urgently necessary to incorporate microbial traits into biogeochemical ecosystem modeling to improve the estimation reliability of N cycling and N 2 O dynamics. This review highlights the importance of N cycling and N 2 O dynamics, as well as associated environmental implications, and presents the directions of future research on N cycling in aquatic environments of China.
    Type of Medium: Online Resource
    ISSN: 0309-1333 , 1477-0296
    RVK:
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2022
    detail.hit.zdb_id: 2006623-5
    SSG: 14
    Location Call Number Limitation Availability
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