Highly pathogenic avian influenza(HPAI)subtype H5Nx viruses have spread globally and are a major concern for poultry,wild birds,mammals,and even humans(de Vries et al.2015;Zeng et al.2022).The hemagglutinin(HA)genes o...Highly pathogenic avian influenza(HPAI)subtype H5Nx viruses have spread globally and are a major concern for poultry,wild birds,mammals,and even humans(de Vries et al.2015;Zeng et al.2022).The hemagglutinin(HA)genes of H5 subtype viruses have evolved into multiple clades and some of these clades have been further divided into subclades(Cui et al.2022).Clade 2.3.4.4H5N8 HPAI viruses(HPAIVs)have caused several waves of disease outbreaks in wild birds and domestic poultry(Wang et al.2022).展开更多
The multi-scale spatial and temporal evolution characteristics of extreme precipitation and isohyets in Ningxia were studied using daily,monthly,and annual precipitation data from 20 meteorological stations in Ningxia...The multi-scale spatial and temporal evolution characteristics of extreme precipitation and isohyets in Ningxia were studied using daily,monthly,and annual precipitation data from 20 meteorological stations in Ningxia over the last 60 years.The results revealed that the intensity of rainstorms in Ningxia had decreased slightly over the previous 60 years,with the intensity of rainstorms in southern and central Ningxia being higher than in northern areas.Ningxia's annual and seasonal precipitation varied regionally,declining from the southeast to the northwest.Annual,spring and autumn precipitation exhibited a significantly declining trend from 1960 to the early 21^(st)century;summer precipitation displayed a slightly decreasing trend;and winter precipitation showed a significantly increasing trend.Nevertheless,there was a noticeable increase in annual and seasonal precipitation after 2005.From the 1960s to the 2000s,the 200 mm isohyet moved slowly southward,while the 400 mm isohyet jumped southward twice in the 1970s and 2000s before jumping considerably northward in the 2010s to reach their northernmost region.展开更多
Ningxia,known as"Saishang Jiangnan"(the place to the north of the Great Wall,which is as beautiful as south of Yangtze River),is converged with diverse natural landscapes and rich cultural heritage.In recent...Ningxia,known as"Saishang Jiangnan"(the place to the north of the Great Wall,which is as beautiful as south of Yangtze River),is converged with diverse natural landscapes and rich cultural heritage.In recent years,Ningxia has combined the development of the wine industry with the strengthening of ecological governance and the development of culture and tourism.展开更多
Located in China's mainland,Ningxia has complex terrain and landform,unique landscape and distinctive delicious food.The Helan Mountain and Yinchuan Plain in the north are intertwined with the Yellow River,contrib...Located in China's mainland,Ningxia has complex terrain and landform,unique landscape and distinctive delicious food.The Helan Mountain and Yinchuan Plain in the north are intertwined with the Yellow River,contributing to the fertile land.展开更多
China-Arab States Tour Operators Conference of the Sixth China-Arab States Expo,co-hosted by the Ministry of Culture and Tourism and the People's Government of Ningxia Hui Autonomous Region,and organized by the Ne...China-Arab States Tour Operators Conference of the Sixth China-Arab States Expo,co-hosted by the Ministry of Culture and Tourism and the People's Government of Ningxia Hui Autonomous Region,and organized by the Network of International Culturalink Entities and the Department of Culture and Tourism of Ningxia Hui Autonomous Region..展开更多
Ningxia,a treasure land in western China converged with profound culture and rich natural resources,is now attracting the world's attention with its unique wine culture.This year,we invited four photographers,i.e....Ningxia,a treasure land in western China converged with profound culture and rich natural resources,is now attracting the world's attention with its unique wine culture.This year,we invited four photographers,i.e.,Jeremy Walter from France,OlmoReverterFernandezfromSpain,DanSandoval from the United States and Micheal Joseph Finck from Canada,to visit Ningxia for a six-day tour of wineculture.展开更多
This article takes traditional residential buildings in Ningxia region as the starting point,and through field research and data analysis,demonstrates the specific elements of the spatial composition of traditional re...This article takes traditional residential buildings in Ningxia region as the starting point,and through field research and data analysis,demonstrates the specific elements of the spatial composition of traditional residential buildings and the common forms of courtyard space.The study summarizes the regional cultural characteristics of traditional residential buildings in the region,laying a foundation for subsequent research and providing some reference basis.展开更多
Wine and art are our connection to the land.The land at the foot of the Helan Mountains has been quiet for too long between sand and gravel.It wasn't until the 1980s that there was finally human farming on this la...Wine and art are our connection to the land.The land at the foot of the Helan Mountains has been quiet for too long between sand and gravel.It wasn't until the 1980s that there was finally human farming on this land for the first time.Wine,for the first time,conveyed the vitality of life and thepowerof millions ofyears ofdeposition.展开更多
鸟类多样性是生物多样性的重要组成部分,相对完整的鸟类资源名录对于理解地区生物多样性及资源分布现状是十分必要的.《宁夏脊椎动物志》出版至今的30余年里,陆续有宁夏鸟类分布新记录报道,在《中国鸟类分类与分布名录》(第四版)新的现...鸟类多样性是生物多样性的重要组成部分,相对完整的鸟类资源名录对于理解地区生物多样性及资源分布现状是十分必要的.《宁夏脊椎动物志》出版至今的30余年里,陆续有宁夏鸟类分布新记录报道,在《中国鸟类分类与分布名录》(第四版)新的现代鸟类分类系统下,宁夏的鸟类资源缺乏最新的资源名录,这给相关研究工作带来不便.依据《中国鸟类分类与分布名录》(第四版)分类系统,以《宁夏脊椎动物志》中鸟类种类统计为基础,结合宁夏鸟类新记录文献资料,对宁夏的鸟类资源进行重新整理统计,形成最新的宁夏鸟类资源名录.结果表明,截至2023年6月底,宁夏现有野生鸟类21目68科204属419种(446种及亚种),有国家一级重点保护鸟类19种、国家二级重点保护鸟类79种.在区系组成上,古北种鸟类有290种(占总种数的69.21%)、东洋种鸟类有45种(占总种数的10.74%)、广布种有84种(占总种数的20.05%),古北种鸟类占绝对优势.被世界自然保护联盟(International Union for Conservation of Nature,IUCN)评估列入红色濒危物种名录的极危(CR)有2种、濒危(EN)有5种、易危(VU)有13种、近危(NT)有14种;被列入濒危野生动植物种国际贸易公约(The Convention on International Trade in Endangered Species of Wild Fauna and Flora,CITES)附录I的有7种、附录II的有21种.鸟类物种多样性指数中属间的多样性(G指数)为4.9731,科间的多样性(F指数)为39.3543,G-F指数为0.8736,显示出宁夏鸟类的物种多样性丰富.展开更多
开展陕甘宁红色旅游流网络结构特征研究,可以指导目的地旅游网络结构优化,推动红色旅游高质量发展。运用地理信息技术系统(geographic information system,GIS)技术、社会网络分析等方法,对陕甘宁红色旅游流整体网络特征、网络节点特征...开展陕甘宁红色旅游流网络结构特征研究,可以指导目的地旅游网络结构优化,推动红色旅游高质量发展。运用地理信息技术系统(geographic information system,GIS)技术、社会网络分析等方法,对陕甘宁红色旅游流整体网络特征、网络节点特征进行系统研究。结果表明,陕甘宁红色旅游流网络结构松散,密度低,呈现典型的“核心-边缘”特征;红色旅游流网络凝聚特征显著,地域集中性强,跨区域合作有待强化;延安革命纪念馆等关键节点功能地位突出,网络极化效应显著;核心节点对周边节点存在“虹吸效应”。研究进一步从构建多极化红色旅游流网络体系、推动红色旅游与相关业态协调发展和创新融合等方面就推动陕甘宁红色旅游流网络优化提出了相关对策建议。展开更多
基金supported by the National Natural Science Foundation of China(31970501)the Fundamental Research Funds for the Central Universities,China(2572022CG01)the National Forestry and Grassland Administration,China。
文摘Highly pathogenic avian influenza(HPAI)subtype H5Nx viruses have spread globally and are a major concern for poultry,wild birds,mammals,and even humans(de Vries et al.2015;Zeng et al.2022).The hemagglutinin(HA)genes of H5 subtype viruses have evolved into multiple clades and some of these clades have been further divided into subclades(Cui et al.2022).Clade 2.3.4.4H5N8 HPAI viruses(HPAIVs)have caused several waves of disease outbreaks in wild birds and domestic poultry(Wang et al.2022).
基金Sponsored by National Natural Science Foundation of China(42161008)Ningxia Natural Science Foundation(2021AAC03070)。
文摘The multi-scale spatial and temporal evolution characteristics of extreme precipitation and isohyets in Ningxia were studied using daily,monthly,and annual precipitation data from 20 meteorological stations in Ningxia over the last 60 years.The results revealed that the intensity of rainstorms in Ningxia had decreased slightly over the previous 60 years,with the intensity of rainstorms in southern and central Ningxia being higher than in northern areas.Ningxia's annual and seasonal precipitation varied regionally,declining from the southeast to the northwest.Annual,spring and autumn precipitation exhibited a significantly declining trend from 1960 to the early 21^(st)century;summer precipitation displayed a slightly decreasing trend;and winter precipitation showed a significantly increasing trend.Nevertheless,there was a noticeable increase in annual and seasonal precipitation after 2005.From the 1960s to the 2000s,the 200 mm isohyet moved slowly southward,while the 400 mm isohyet jumped southward twice in the 1970s and 2000s before jumping considerably northward in the 2010s to reach their northernmost region.
文摘Ningxia,known as"Saishang Jiangnan"(the place to the north of the Great Wall,which is as beautiful as south of Yangtze River),is converged with diverse natural landscapes and rich cultural heritage.In recent years,Ningxia has combined the development of the wine industry with the strengthening of ecological governance and the development of culture and tourism.
文摘Located in China's mainland,Ningxia has complex terrain and landform,unique landscape and distinctive delicious food.The Helan Mountain and Yinchuan Plain in the north are intertwined with the Yellow River,contributing to the fertile land.
文摘China-Arab States Tour Operators Conference of the Sixth China-Arab States Expo,co-hosted by the Ministry of Culture and Tourism and the People's Government of Ningxia Hui Autonomous Region,and organized by the Network of International Culturalink Entities and the Department of Culture and Tourism of Ningxia Hui Autonomous Region..
文摘Ningxia,a treasure land in western China converged with profound culture and rich natural resources,is now attracting the world's attention with its unique wine culture.This year,we invited four photographers,i.e.,Jeremy Walter from France,OlmoReverterFernandezfromSpain,DanSandoval from the United States and Micheal Joseph Finck from Canada,to visit Ningxia for a six-day tour of wineculture.
基金The National Social Science Foundation of the Arts Key Project“Research on the Architecture Art and Folk Culture of Chinese Traditional Houses on the Land“Silk Road”(Number:18AH008)”Project entrusted by the Ministry of Culture and Tourism:“Yellow River Culture and Chinese Civilization:Rescue Research on Shaanxi Traditional Residential Buildings and Residential Folk Culture” (No.21HH02)Shaanxi Province High-level Talents Special Support Program.
文摘This article takes traditional residential buildings in Ningxia region as the starting point,and through field research and data analysis,demonstrates the specific elements of the spatial composition of traditional residential buildings and the common forms of courtyard space.The study summarizes the regional cultural characteristics of traditional residential buildings in the region,laying a foundation for subsequent research and providing some reference basis.
文摘Wine and art are our connection to the land.The land at the foot of the Helan Mountains has been quiet for too long between sand and gravel.It wasn't until the 1980s that there was finally human farming on this land for the first time.Wine,for the first time,conveyed the vitality of life and thepowerof millions ofyears ofdeposition.
文摘鸟类多样性是生物多样性的重要组成部分,相对完整的鸟类资源名录对于理解地区生物多样性及资源分布现状是十分必要的.《宁夏脊椎动物志》出版至今的30余年里,陆续有宁夏鸟类分布新记录报道,在《中国鸟类分类与分布名录》(第四版)新的现代鸟类分类系统下,宁夏的鸟类资源缺乏最新的资源名录,这给相关研究工作带来不便.依据《中国鸟类分类与分布名录》(第四版)分类系统,以《宁夏脊椎动物志》中鸟类种类统计为基础,结合宁夏鸟类新记录文献资料,对宁夏的鸟类资源进行重新整理统计,形成最新的宁夏鸟类资源名录.结果表明,截至2023年6月底,宁夏现有野生鸟类21目68科204属419种(446种及亚种),有国家一级重点保护鸟类19种、国家二级重点保护鸟类79种.在区系组成上,古北种鸟类有290种(占总种数的69.21%)、东洋种鸟类有45种(占总种数的10.74%)、广布种有84种(占总种数的20.05%),古北种鸟类占绝对优势.被世界自然保护联盟(International Union for Conservation of Nature,IUCN)评估列入红色濒危物种名录的极危(CR)有2种、濒危(EN)有5种、易危(VU)有13种、近危(NT)有14种;被列入濒危野生动植物种国际贸易公约(The Convention on International Trade in Endangered Species of Wild Fauna and Flora,CITES)附录I的有7种、附录II的有21种.鸟类物种多样性指数中属间的多样性(G指数)为4.9731,科间的多样性(F指数)为39.3543,G-F指数为0.8736,显示出宁夏鸟类的物种多样性丰富.
文摘开展陕甘宁红色旅游流网络结构特征研究,可以指导目的地旅游网络结构优化,推动红色旅游高质量发展。运用地理信息技术系统(geographic information system,GIS)技术、社会网络分析等方法,对陕甘宁红色旅游流整体网络特征、网络节点特征进行系统研究。结果表明,陕甘宁红色旅游流网络结构松散,密度低,呈现典型的“核心-边缘”特征;红色旅游流网络凝聚特征显著,地域集中性强,跨区域合作有待强化;延安革命纪念馆等关键节点功能地位突出,网络极化效应显著;核心节点对周边节点存在“虹吸效应”。研究进一步从构建多极化红色旅游流网络体系、推动红色旅游与相关业态协调发展和创新融合等方面就推动陕甘宁红色旅游流网络优化提出了相关对策建议。
