The micromammal fossils collected from the Shangzhuang Formation of the Linxia Basin,Gansu,are described here.The assemblage consists of 16 species of 13 genera belonging to 7 families,including one new species and on...The micromammal fossils collected from the Shangzhuang Formation of the Linxia Basin,Gansu,are described here.The assemblage consists of 16 species of 13 genera belonging to 7 families,including one new species and one taxon previously unknown from China.Among them 5 genera are Oligocene holdovers and 11 genera/species are known to make their first appearances in Early Miocene,indicating an Early Miocene age for the Gucheng Fauna.The absence of Oligocene survivors such as Tataromys,Yindirtemys,Eucricetodon and Tachyoryctoides,which usually occur in the Xiejian age of Early Miocene,and the presence of newcomers Protalactaga,Megacricetodon and Gobicricetodon,that made their first appearance only in the Shanwangian age of late Early Miocene,suggest that the Gucheng Fauna is of a later age of Early Miocene.The new species,Sinolagomys guchengensis,showing more derived morphology than in S.ulunguensis,seems to support an assessment of the fauna in Shanwangian age.Thus,the Gucheng Fauna may belong to late Early Miocene Shanwangian,partially equivalent to MN 3/4 of the European land mammal zonation.Ecological analysis of the fauna indicates that the palaeoecological condition of the Gucheng area might still be a predominantly arid shrub-steppe in late Early Miocene.展开更多
The No.1 Central Document of 2024 emphasizes the need to learn from and apply the experience of the"Thousand-Village Demonstration,Ten-Thousand-Village Renovation"project to paint a new picture of livable,wo...The No.1 Central Document of 2024 emphasizes the need to learn from and apply the experience of the"Thousand-Village Demonstration,Ten-Thousand-Village Renovation"project to paint a new picture of livable,workable,harmonious,and beautiful villages,thereby accelerating agricultural and rural modernization and better advancing the construction of Chinese modernization.This paper,based on elucidating the scientific connotations and logical pathways of the"Thousand-Village Demonstration,Ten-Thousand-Village Renovation"project and"harmonious and beautiful villages",analyzes the practices of building"harmonious and beautiful villages"in Gansu Province.It proposes learning from the experience of coordinated advancement in the"Thousand-Village Demonstration,Ten-Thousand-Village Renovation"project to strengthen infrastructure and public service construction;learning from the experience of adapting to local conditions to reinforce rural industrial drive and integrated development;learning from the experience of environmental optimization and shaping to accelerate the improvement of human settlements and ecological civilization construction;and learning from the experience of co-construction,co-governance,and sharing to speed up rural governance and spiritual civilization development,thereby aiding the construction of harmonious and beautiful villages in Gansu.展开更多
Brucellosis is a zoonosis that causes economic losses worldwide,as well as human morbidity and poverty.It is caused by Brucella spp.,which are animal pathogens~([1]).Among the 13 identified species,Brucella melitensis...Brucellosis is a zoonosis that causes economic losses worldwide,as well as human morbidity and poverty.It is caused by Brucella spp.,which are animal pathogens~([1]).Among the 13 identified species,Brucella melitensis is the most common and is frequently isolated from both humans and livestock~([2]).展开更多
With a vast territory,diversified climate and abundant ecotourism resources,Gansu Province has all categories in the 1st and 2nd class of YANG Gui-hua Three-class Classification Method,and 21 sub-categories of the 3rd...With a vast territory,diversified climate and abundant ecotourism resources,Gansu Province has all categories in the 1st and 2nd class of YANG Gui-hua Three-class Classification Method,and 21 sub-categories of the 3rd class(total 26 sub-categories).According to the investigation and analysis,the ecotourism in Gansu Province has following characteristics:(1) Diversified ecotourism resources with various types;(2) Numerous ecotourism scenic spots with complete functions;(3) Unique,precious and rare ecotourism resources;(4) Not even distribution of ecotourism resources with an obvious trend of divergence;(5) Most of the ecotourism resources environment is fragile and has low carrying capacity,and the traffic conditions need to be improved urgently.展开更多
文摘The micromammal fossils collected from the Shangzhuang Formation of the Linxia Basin,Gansu,are described here.The assemblage consists of 16 species of 13 genera belonging to 7 families,including one new species and one taxon previously unknown from China.Among them 5 genera are Oligocene holdovers and 11 genera/species are known to make their first appearances in Early Miocene,indicating an Early Miocene age for the Gucheng Fauna.The absence of Oligocene survivors such as Tataromys,Yindirtemys,Eucricetodon and Tachyoryctoides,which usually occur in the Xiejian age of Early Miocene,and the presence of newcomers Protalactaga,Megacricetodon and Gobicricetodon,that made their first appearance only in the Shanwangian age of late Early Miocene,suggest that the Gucheng Fauna is of a later age of Early Miocene.The new species,Sinolagomys guchengensis,showing more derived morphology than in S.ulunguensis,seems to support an assessment of the fauna in Shanwangian age.Thus,the Gucheng Fauna may belong to late Early Miocene Shanwangian,partially equivalent to MN 3/4 of the European land mammal zonation.Ecological analysis of the fauna indicates that the palaeoecological condition of the Gucheng area might still be a predominantly arid shrub-steppe in late Early Miocene.
基金Supported by 2025 Gansu Provincial Party School(Institute of Administration)System Social Science Planning Project(QSDXYB2025046).
文摘The No.1 Central Document of 2024 emphasizes the need to learn from and apply the experience of the"Thousand-Village Demonstration,Ten-Thousand-Village Renovation"project to paint a new picture of livable,workable,harmonious,and beautiful villages,thereby accelerating agricultural and rural modernization and better advancing the construction of Chinese modernization.This paper,based on elucidating the scientific connotations and logical pathways of the"Thousand-Village Demonstration,Ten-Thousand-Village Renovation"project and"harmonious and beautiful villages",analyzes the practices of building"harmonious and beautiful villages"in Gansu Province.It proposes learning from the experience of coordinated advancement in the"Thousand-Village Demonstration,Ten-Thousand-Village Renovation"project to strengthen infrastructure and public service construction;learning from the experience of adapting to local conditions to reinforce rural industrial drive and integrated development;learning from the experience of environmental optimization and shaping to accelerate the improvement of human settlements and ecological civilization construction;and learning from the experience of co-construction,co-governance,and sharing to speed up rural governance and spiritual civilization development,thereby aiding the construction of harmonious and beautiful villages in Gansu.
基金supported by a Gansu Province Health Industry Scientific Research Plan Project(No.GSWSKY2018-10)The Major Science and Technology Innovation Project of Gansu Provincial Health and Health Industry(GSWSKY2024-7)。
文摘Brucellosis is a zoonosis that causes economic losses worldwide,as well as human morbidity and poverty.It is caused by Brucella spp.,which are animal pathogens~([1]).Among the 13 identified species,Brucella melitensis is the most common and is frequently isolated from both humans and livestock~([2]).
文摘With a vast territory,diversified climate and abundant ecotourism resources,Gansu Province has all categories in the 1st and 2nd class of YANG Gui-hua Three-class Classification Method,and 21 sub-categories of the 3rd class(total 26 sub-categories).According to the investigation and analysis,the ecotourism in Gansu Province has following characteristics:(1) Diversified ecotourism resources with various types;(2) Numerous ecotourism scenic spots with complete functions;(3) Unique,precious and rare ecotourism resources;(4) Not even distribution of ecotourism resources with an obvious trend of divergence;(5) Most of the ecotourism resources environment is fragile and has low carrying capacity,and the traffic conditions need to be improved urgently.
