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1.
ZHAO Xin 《地理学报(英文版)》2007,17(1):127-127
2006 Annual Academic Conference of China Society of Natural Resources （CSNR） was held on November 1-2 in Fuzhou, Fujian Province of Southeast China. This conference was co-sponsored by CSNR and Fujian Normal University. A total of some 360 researchers and educators from universities and institutions in mainland China participated in this conference. More than 210 papers were submitted and discussed during this academic conference. 相似文献
2.
赵歆 《地理学报(英文版)》2007,17(4)
The 2007 Annual Academic Conference of China Society of Natural Resources (CSNR) was held on July 28–30 in Xi’an, Shaanxi Province of Northwest China. This conference was co-sponsored by CSNR and Shaanxi Normal University, and also supported by the In- 相似文献
3.
ZHAO Xin 《地理学报(英文版)》2007,17(4):511-511
The 2007 Annual Academic Conference of China Society of Natural Resources （CSNR） was held on July 28-30 in Xi＇an, Shaanxi Province of Northwest China. This conference was co-sponsored by CSNR and Shaanxi Normal University, and also supported by the Institute of Geographic Sciences and Natural Resources Research. A total of more than 500 scholars from over 140 universities, institutions and the government departments concerned in mainland China participated in this conference.[第一段] 相似文献
4.
《资源与生态学报(英文版)》2012,(1):25-25
China Society of Natural Resources (CSNR), approved by China Association for Science and Technology (CAST) in September 1980 and founded in October 1983, is a national, academic and non-profit societal community under the joint leadership of the Institute of Geographic Sciences and Natural Resources Research (IGSNRR), Chinese Academy of Sciences(CAS). The CSNR was formerly approved as Chinese Natural Resources Association in 1983 and renamed as the present name in February 1993. Since its foundation, five national 相似文献
5.
《资源与生态学报(英文版)》2020,(3)
正Dr. Zhang Xianzhou received his Ph D degree in Ecology from former Commission for Integrated Survey of Natural Resources(CISNAR), Chinese Academy of Sciences in 1999. He is the professor of Institute of Geographic Sciences and Natural Resources Research(IGSNRR), Chinese Academy of Sciences. He serves as a current editorial board member of Journal of Resources and Ecology. He is also the deputy director of the China Society on the Tibet Plateau(CSTP), the director of the Ecosystem and Biological Resources Committee and China Society of Natural Resources(CSNR). 相似文献
6.
《地理学报(英文版)》2004,(Z1)
Institute of Geographic Sciences and Natural Resources Research (IGSNRR): www.igsnrr.ac.cnThe Geographical Society of China (GSC): www.gsc.org.cnChina Society of Natural Resources (CSNR): www.csnr.orgChina Society on the Tibetan Plateau (CSTP): www.cstp.org.cnInstitute of Remote Sensing Applications (IRSA): www.irsa.ac.cnNanjing Institute of Geography and Limnology (NIGL): www.niglas.ac.cnState Key Laboratory of Resources and Environmental Information … 相似文献
7.
Zhenhuan Liu Zhengguo Li Pengqin Tang Zhipeng Li Wenbin Wu Peng Yang Liangzhi You Huajun Tang 《地理学报(英文版)》2013,23(6):1005-1018
Rice＇s spatial-temporal distributions, which are critical for agricultural, environ- mental and food security research, are affected by natural conditions as well as socio-eco- nomic developments. Based on multi-source data, an effective model named the Spatial Production Allocation Model （SPAM） which integrates arable land distribution, administrative unit statistics of crop data, agricultural irrigation data and crop suitability data, was used to get a series of spatial distributions of rice area and production with 10-km pixels at a national scale -it was applied from the early 1980s onwards and used to analyze the pattern of spatial and temporal changes. The results show that significant changes occurred in rice in China during 1980-2010. Overall, more than 50% of the rice area decreased, while nearly 70% of rice production increased in the change region during 1980-2010. Spatially, most of the increased area and production were in Northeast China, especially, in Jilin and Heilongjiang; most of the decreased area and production were located in Southeast China, especially, in regions of rapidly urbanization in Guangdong, Fujian and Zhejiang. Thus, the centroid of rice area was moved northeast approximately 230 km since 1980, and rice production about 320 km, which means rice production moved northeastward faster than rice area because of the significant rice yield increase in Northeast China. The results also show that rice area change had a decisive impact on rice production change. About 54.5% of the increase in rice pro- duction is due to the expansion of sown area, while around 83.2% of the decrease in rice production is due to contraction of rice area. This implies that rice production increase may be due to area expansion and other non-area factors, but reduced rice production could largely be attributed to rice area decrease. 相似文献
8.
中国陆地海岸线尺度效应研究(英文) 总被引：2，自引：0，他引：2
Spatial scale is a fundamental problem in Geography. Scale effect caused by fractal characteristic of coastline becomes a common focus of coastal zone managers and researchers. In this study, based on DEM and remote sensing images, multi-scale continental coastlines of China were extracted and the fractal characteristic was analyzed. The results are shown as follows. (1) The continental coastline of China fits the fractal model, and the fractal dimension is 1.195. (2) The scale effects with fractal dimensions of coastline have significant differences according to uplift and subsidence segments along the continental coastlines of China. (3) The fractal dimension of coastline has significant spatial heterogeneity according to the coastline types. The fractal dimension of sandy coastline located in Luanhe River plain is 1.109. The dimension of muddy coastline located in northern Jiangsu Plain is 1.059, while that of rocky coastline along southeastern Fujian is 1.293. (4) The length of rocky coastline is affected by scale more than that of muddy and sandy coastline. Since coastline is the conjunction of sea, land and air surface, the study of coastline scale effect is one of the scientific bases for the researches on air-sea-land interaction in multi-scales. 相似文献
9.
ZHAO Xin 《地理学报(英文版)》2005,15(3):F0002-F0002
The International Symposium on Arid Climate Change and Sustainable Development （ISACS） was held on May 23-24, 2005 in Lanzhou, Northwest China. It was co-sponsored by China Meteorological Administration （CMA）, People＇s Government of Gansu Province of China, National Natural Science Foundation of China （NSFC） and some other related organizations from Canada, USA and Australia. A total of some 200 scholars from China and across the world participated in this event. About 170 oral and poster presentations were presented and discussed during this symposium. 相似文献
10.
全球变暖背景下的干旱气候环境探讨--干旱气候变化与可持续发展国际学术研讨会报道 总被引：1，自引：0，他引：1
赵歆 《地理学报(英文版)》2005,15(3)
The International Symposium on Arid Climate Change and Sustainable Development (ISACS) was held on May 23-24, 2005 in Lanzhou, Northwest China. It was co-sponsored by China Meteorological Administration (C MA), People's Government of Gansu Province of China,National Natural Science Foundation of China (NSFC) and some other related organizations from Canada, USA and Australia. A total of some 200 scholars from China and across the world participated in this event. About 170 oral and poster presentations were presented and discussed during this symposium. 相似文献
11.
基于AnnAGNPS模型的山美水库流域非点源氮控制研究 总被引：1，自引：0，他引：1
探索研究流域非点源氮污染控制的有效措施,对于治理改善水环境恶化具有重要的现实和长远意义。以山美水库流域为研究区域,建立AnnAGNPS氮污染模型,通过情景模拟技术分别模拟了河岸缓冲带、适量施肥、免耕、少耕、梯田和退耕还林等最佳管理措施的非点源氮污染削减效率。结果表明:(1)梯田与退耕还林对氮的削减率较高,均高于15%;免耕较低,为13%;少耕、合理施肥、河岸缓冲带削减效果有限,低于10%。(2)河岸缓冲带、少耕、免耕、梯田等措施的总氮削减率在不同月份的变化趋势与泥沙削减变化趋势一致,在7月和8月有较高的削减率;合理施肥与退耕还林的总氮削减率则与流域施肥状况相关性更高,在2—4月份有较高的削减率,因此山美水库流域水环境改善应结合非点源氮污染治理和流域水土流失治理。 相似文献
12.
2004年1月福建省委省政府提出建设海峡西岸经济区的发展战略.作者基于对中国宏观城市地理结构的研究,提出过一些类似的思想.在这篇文章里,作者以3个阶段的认识来解读海峡西岸经济区.早在1988年,作者在中国沿海6个都市连绵区的假设中,已经认为闽东南具有形成都市连绵区的潜在条件.在全国一级城市经济区的研究中发现,福建既不是长三角的紧密腹地,也不是珠三角的紧密腹地,而是它们二者共同的竞争腹地.在全国二级城市经济区框架中,福建省是一个相对完整的二级经济区.作者的研究和观点从理论和实证方面支持了海峡西岸经济区战略.最后对福建省未来的发展提出了几点建议. 相似文献
13.
滨海人工林土壤呼吸各组分对台风强降雨的响应 总被引：1，自引：0，他引：1
根据预测,随着全球变暖,极端降水将更加频繁和剧烈,可能对土壤呼吸及其组分产生重大影响。然而目前对极端降雨如何影响土壤呼吸各组分的认识仍是缺乏的。因此选取亚热带滨海湿地松和尾巨桉人工林土壤为研究对象,于2015年8月在设置去除根系和对照处理一年后,应用Li-8100土壤CO_2通量测定系统,对2次台风强降雨前后的土壤呼吸速率和环境因子进行原位监测,分析2次台风前后土壤呼吸各组分对强降雨的响应规律。结果表明:(1)2次台风强降雨显著改善了土壤的水分状况,促进了土壤呼吸各组分。2种人工林土壤总呼吸、异养呼吸均呈现出快速上升、后逐渐下降的趋势,而土壤自养呼吸的上升不明显。土壤总呼吸与异养呼吸的峰值与土壤湿度的峰值同步,而自养呼吸峰值要滞后1天。(2)第一次降雨,湿地松和尾巨桉土壤异养呼吸对总呼吸的贡献率分别是自养呼吸的5.15和6.28倍。相比于土壤自养呼吸(R_a),异养呼吸增加的幅度更大且响应更快。(3)第一次降雨湿地松土壤总呼吸、异养呼吸及尾巨桉土壤异养呼吸与土壤湿度的二次曲线关系存在拐点,而第二次降雨促进了2种人工林土壤异养呼吸、总呼吸速率。2次台风强降雨湿地松和尾巨桉人工林的土壤自养呼吸均和土壤湿度无显著相关性(P>0.05)。综上,研究结果强调了极端降水对土壤呼吸及其组分的显著影响,应该将其纳入模型中,以提高对碳-气候反馈的预测。 相似文献
14.
震区植被恢复初期土壤理化性质与土壤呼吸间的关系 总被引：1，自引：0，他引：1
为了解地震灾区不同恢复方式下土壤理化性质和土壤呼吸间的关系,选取2种典型气候区(干旱河谷气候区与亚热带季风气候区)为研究区,设置人工恢复、未受损、自然恢复3种恢复方式的固定样地,定期测定土壤呼吸与土壤理化性质(有机碳、全氮、全磷、速效氮、有效磷、容重、孔隙度、电导率和pH值),并分析各因子间的相关关系。结果表明:气候类型显著影响土壤全氮、容重、孔隙度、电导率以及土壤呼吸,表现为干旱河谷气候区显著优于亚热带季风气候区;恢复方式显著影响土壤呼吸速率、有机碳、全氮、全磷、速效氮、有效磷含量、C:P、N:P、容重、孔隙度和电导率,基本表现为未受损样地优于人工恢复样地优于自然恢复样地;二者交互作用显著影响土壤呼吸、土壤物理性质和除全磷、有效磷外主要土壤养分的流失。两种气候区土壤呼吸的影响因子不同,干旱河谷气候区主要为土壤有机质、全氮、全磷、速效氮、pH值、容重和孔隙度,亚热带季风气候区主要为土壤有机质、全氮、速效氮、容重和孔隙度。本研究为评价和优化西南地区灾后恢复治理措施提供一定科学依据,对其生态安全维护和生态屏障建设提供帮助。 相似文献
15.
赵歆 《地理学报(英文版)》2007,17(3):384-384
The 2007 Cross-Strait Geographical Conference was held at Kaohsiung Normal University in Taiwan, China on April 28-29,2007. A total of some 120 geographical researchers from China （Mainland, Taiwan and Hong Kong）, 相似文献
16.
由人类活动产生的氮排放是影响河流氮通量输出的关键,本研究基于人类活动净氮输入模型和流域分布式水文模型(SWAT),计算了山美水库流域2001—2010年人为氮排放强度,模拟估算了同期的河流氮通量,对山美水库河流氮输出与人类活动净氮输入(NANI)之间的响应特征进行研究。结果表明,2001—2010年间,山美水库流域年均人类活动净氮输入强度为11 023 kg N·km-2,其中氮肥施用量占NANI总量的60%,是NANI的主要来源;河流氮通量的年际变化特征深受河流年径流变化影响,与NANI并无显著相关;NANI、滞留氮库以及自然背景源对流域河流氮输出总量的贡献率分别达到52%、44%和4%,包括NANI和滞留氮库在内的人为氮输入是影响山美水库流域河流氮通量输出的关键因素。 相似文献
17.
祁连山是我国西部重要的生态安全屏障,是国家生态安全核心区和重点治理区。为研究祁连山国家级自然保护区生态安全状况,本文基于该自然保护区的生态系统结构和功能特征,选取24项评价指标,构建PSR(压力—状态—响应)模型,以Delphi经典法确定权重,综合评价2008年、2016年祁连山国家级自然保护区的生态安全状况。结果表明:2008年不安全度为0.1934,处于稍不安全状态;2016年为0.2454,较2008年增加了26.9%,处于很不安全状态。其中,压力因子的不安全度由0.1094升至0.1276,增加了16.6%;状态因子由0.0593升至0.0748,增加了26.1%;响应因子由0.0247升至0.0430,增加了74%;说明响应层面不安全度上升最显著。2008年与2016年相比,人类活动增加及资源过度开发是祁连山保护区生态安全水平下降的主要原因,具体表现在旅游客流量大幅度持续增加、水电和矿产的不合理开发。本研究成果可应用于其他复杂生态系统的安全评价,为国家级自然保护区生态安全提供科学管理和决策依据。 相似文献
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19.
徐霞客闽游与福建丹霞风景名胜及其开发 总被引：4，自引：0，他引：4
福建是我国丹地貌重要分布区，而且极具旅游价值。文中归纳了徐霞客一生5次闽游多与福建丹霞名胜有关的经历；分析了这位伟大旅行家对福建丹霞地貌形态特征、性质的科学描述和记载；从“闽游”的启示中，提出了福建丹霞风景名胜区旅游开发重视水景旅游资源的开发，加强对文物古迹的保护利用，大力发展生态旅游等建议。 相似文献