中国地理与资源期刊集群化服务平台的发展与实践

学术期刊的集群发展已经成为国际趋势,国外出版集团稳居科技期刊的霸主地位,中国科技期刊的集群化发展还处于起步阶段。自2006年起,中国地理与资源期刊及其期刊人经过10年持续不断的努力,积极应对国内外期刊发展的机遇与挑战,勇于创新,已经基本形成中国地理与资源期刊集群化服务平台发展的战略构想,并成功地推出了拥有54家加盟期刊并且模块功能完备的集群化服务平台网站（www.geores.com.cn）、统一的在线采编系统、底层数据的结构化、富媒体出版、手机APP与微信服务公众号、数据出版、科研云助手系统、媒体宣传与推广、中国地理与资源权威专家库、中国地理会议服务系统、中国地理编辑出版年会、不定期的专题性期刊沙龙、《中国地理与资源国情快报》政策版与科普版、“具影响力中国地理期刊优秀论文”等14项具有显示度的期刊多元增值产品,事业思路清晰,行动果敢有力,工作扎实有序,集群功能完备,投入产出比高,极大地推动了中国地理与资源期刊由传统纸质出版向富媒体出版、由文献生产者向学科与社会集成型知识服务提供平台的两大根本性转型,这使得中国地理与资源期刊更加掌握了主动,把握了先机,开启了中国地理与资源期刊集群发展的新局面和新时代。     

Baseline determination,pollution source and ecological risk of heavy metals in surface sediments of the Amu Darya Basin,Central Asia

Central Asia(CA) is one of the most fragile regions worldwide owing to arid climate and accumulated human activities, and is a global hotspot due to gradually deteriorating ecological environment. The Amu Darya Basin(ADB), as the most economically and demographically important region in CA, is of particular concern. To determine the concentration,source and pollution status of heavy metals(HMs) in surface sediments of the ADB, 154samples were collected and analyzed for metals across the basin. C...     

Relationships between Tourist Experiential Value and Ice-Snow Tourism Loyalty in Zhangjiakou City,and the Moderating Effects of Travel Companions

The successful bid for the 2022 Winter Olympics has provided a new opportunity for the popularization of ice-snow sports and making improvements in the efficiency of ice-snow tourism in China. Taking Zhangjiakou City in Hebei Province as the research object and using questionnaire analysis and the structural equation model (SEM), this paper examined several hypotheses of the relationship between tourist experiential value and tourist loyalty in the context of ice-snow tourism, and a mediation analysis was conducted to explore the moderating role of travel companions. The results show that: (1) The functional value, emotional value and social value have significant positive effects on tourist loyalty; (2) Tourist satisfaction is a partial mediator between functional value, emotional value, social value and tourist loyalty, and a full mediator between cognitive value and tourist loyalty; and (3) Travel companions play a significant moderating role in the influence of emotional value on tourist loyalty. Based on these findings, several suggestions are put forward for the high-quality development of ice-snow tourism in China, including developing ice-snow family tourism products, building an ice-snow brand with winter Olympics characteristics, constructing the ice-snow industrial system, and cultivating ice-snow culture.     

基于地貌单元的小区域地质灾害易发性分区方法研究

以汶川县城周边区域为研究区,分别以栅格单元与地貌单元作为单位评价单元,以信息量法与逻辑回归法两种评价模型对研究区进行地质灾害易发性评价分区。根据对评价结果的比较分析,在小区域范围内,基于地貌单元的区域易发性分区不仅仅能够更好地体现出区域内局部综合特性,而且评价分区结果与地质灾害实际分布情况更加吻合,分级层次更加明显,数学模型的适用效率很好。由此可见,在小范围区域内,基于地貌单元的地质灾害易发性评价分区具有良好的适用性与可塑性,在大比例尺地质灾害易发性和危险性制图中是一个有益的尝试与启发。     

北极航线战略利益争夺的博弈态势与中国对策

北极航线包括东北航线、西北航线与北冰洋中央的穿极航线。作为联结亚欧最短的航运线路,北极航线独有的战略地位与潜在开发价值已吸引北极域内外国家的关注并对北极区域作出战略倾斜,北极航线由此成为各国战略利益争夺的前线阵地。虽然北极航线由于其自身地缘特征实际为北极航线沿线国家所掌控,但航线自身的公共属性决定了其战略价值的“外溢”,北极域外国家在北极航线同样具有重要的国家利益。北极航线目前存在国际规则不成体系、国内法与国际规则相冲突等矛盾,俄罗斯与加拿大将东北航线与西北航线“内水化”是造成国内外规则冲突的根本因素。中国作为北半球航运大国,北极航线的开通将进一步推动我国进出口贸易以及保障我国石油能源安全储备,对我国具有重大战略意义。由此,提升北极航运的参与度,以“负责任大国”形象与北极国家合作的方式参与北极事务以维护本国航运利益,进而推动北极航运治理规则体系的完善,是适合现实参与北极航线实践的中国对策。     

The effects of land consolidation on the ecological connectivity based on ecosystem service value: A case study of Da’an land consolidation project in Jilin province

Land consolidation has a profound impact on landscape patterns and ecological functions at various scales through engineering and biological measures. In recent years, China invests more than 100 billion RMB yuan on land consolidation each year. To understand how land consolidation affects landscape patterns and ecosystems, we investigated the ecosystem service value and the ecological connectivity in a consolidated area of Da’an city from 2008 to 2014 using a revised ecological connectivity index. The results indicated that land consolidation has certain negative influences on the ecosystem services in this area. The total ecosystem service value will decrease by nearly 30% in the late stage of consolidation. This decrease is caused by the loss of ecosystem service of the wetland and grassland, despite a sensible increase of cultivated land. In addition, land consolidation could change the ecological connectivity as well as the land use structure. Up to 85% of the entire area will be in low connectivity in the late stage of consolidation, representing a 6.23% increase in the total coverage compared to pre-consolidation. Finally, the different connectivity landscape and their key areas can be identified by the revised ecological connectivity index effectively. This study is helpful to trace out the relationships between landscape pattern and ecological process, and provides insights for ecological planning and designing of land consolidation in this area. We suggest that more attentions should be paid to improve the quality and ecosystem service value per unit area of the landscape, to establish ecological compensation mechanism of wetland losses, and to create the ecological corridors along the least accumulated impendence surface in the key areas during land consolidation.     

区域合作背景下服务业发展的收敛性研究——以大珠三角金融业为例

文章基于经济增长收敛理论,从区域合作视角,展开服务业发展收敛性研究.包括阐释服务业发展收敛的内涵、与经济增长收敛的关联、服务业发展的收敛机制,以及分析服务业发展收敛的模型与指标选择,并最终运用所构建的方法,对CEPA实施后大珠江三角洲的金融业收敛性进行了实证检验.结果显示,2004-2008年该区域金融业发展呈发散趋势.这一结果与近年来以其他方法与指标检验金融收敛性得出的结论基本一致,证实了基于经济增长收敛理论及分析模型的服务业发展收敛研究思路与分析模型具有可信性与可行性,亦从一个侧面对大珠三角金融合作的成效作出了评判.     

地铁对服务业集聚的影响 ——以广州市为例

以广州市为例,基于POI数据,运用SAR模型识别城市地铁开通对服务业集聚的影响.研究发现:服务业集聚具有显著的空间依赖性特征,本地服务业集聚会受到周边地区服务业集聚的影响;开通地铁对广州市服务业空间集聚产生显著的正向影响,可提高城区的服务业集聚水平,但这种集聚效应因行业不同而有所差异;地铁开通对批发与零售业、住宿与餐饮...     

艾比湖湿地调节气候生态服务价值评价

增湿调温的气候调节功能是湿地重要的生态功能。位于干旱区的湿地,其增湿调温功能尤为明显。湿地自由水面巨大的水汽蒸发及湿地茂密植被剧烈的水汽蒸腾,是其增湿调温、调节气候的主要物质基础。通过计算艾比湖湿地年水汽蒸发、蒸腾量,得出其每年调节气候的生态服务价值为97788.86×104元,占艾比湖湿地总生态服务价值的31.9%,位居研究区各项生态价值之首。结果表明,增湿调温的气候调节功能是处于极端干旱地理条件下的艾比湖湿地最重要的生态服务功能。     

帕隆藏布河流纵剖面演化的最小功模式

河流地貌最小功原理表明河流纵误时面形态将向力示使流速增大的方向演化，据此推导出矩形流域全程流速的平均值（u^-）与河流纵误时面形态指数（N）的关系式：u^∝-f(N)={1/2-1/[(N 1)(N 2)]}^1/2，f(N)被称为流速函数。这一最小功模式表明河流纵剖面演化方向是N由小变大。以西藏帕隆藏布中上游流域系统、干流全程及Ⅰ级阶地为例，由最小功模式计算的全程流速均值与实测值相吻合，从而检验了上述最小功原理和数学模式。