【摘 要】
:
Content and density of soil organic carbon(SOC) and labile and stable SOC fractions in peat mire soil in wetland, soybean field and rice paddy field reclaimed from the wetland around Xingkai Lake in N
【出 处】
:
Chinese Geographical Science
论文部分内容阅读
Content and density of soil organic carbon(SOC) and labile and stable SOC fractions in peat mire soil in wetland, soybean field and rice paddy field reclaimed from the wetland around Xingkai Lake in Northeast China were studied. Studies were designed t
其他文献
沙漠化逆转过程脆弱性是指沙漠化逆转现象对社会-生态系统内外各种扰动的敏感性及因缺乏应对不利扰动的能力而使逆转趋势减弱或反向发展的倾向和可能性。从社会-生态系统角度综合分析沙漠化逆转过程的脆弱性及其关键要素的贡献,对于系统治理和综合调控沙漠化问题、保障沙漠化逆转可持续具有重大意义。以典型沙漠化逆转区宁夏盐池县为例,基于DPSIR框架构建脆弱性评价模型并通过拟合曲线辨识关键因素的贡献。结果表明:(1)
Ecosystem services have become one of the core elements of ecosystem management and evaluation. As a key area of ecosystem services and for maintaining national ecological security, ecosystem changes
Based on objective data collected from interviews in typical villages of the Three Gorges Reservoir Area, the present study devised three livelihood scenarios related to rural transformation developme
The use of multi-perspective and multi-scalar city networks has gradually developed into a range of critical approaches to understand spatial interactions and linkages. In particular, road linkages re
Hengduan Mountains offer land space for a variety of ecological services. However, the sustainable development and management of land space has been challenged by increased human activities in recent
With the rapid development of space technology and applications,UNOOSA has attached increasing importance to"space cooperation for global health"and listed it as one of the thematic priorities of UNIS
封面图片为吉林一号视频卫星03星于2017年6月28日获取的中国香港维多利亚港的夜光影像。吉林一号星座由长光卫星技术有限公司研制运营,由光学A星、视频卫星(01、02、03星)以及双模式卫星组成.视频卫星分辨率0.92 m,幅宽11 km×4.5 km,具有多种成像模式,包括:凝视视频模式、半凝视模式、同轨多点模式、推扫模式、夜光模式以及惯性空间横式。吉林一号双横式卫星是中国首颗具有红边波段的米级
The increasing globalization of the Chinese economy has been enabled by both Chinese financial institutions operating globally as well as international firms operating within China. In geographical te
City networks have been a critical topic in the fields of urban geography and regional economics. Numerous studies have explored city networks, focusing mainly on infrastructure and industrial network
In this paper, we reconsider the defining but often overlooked ‘hinge function of megalopolises by analyzing how megalopolises have articulated national and international urban systems in the context