[Objective] The aim was to study the effect of site factor on plant community characteristic in closed watershed in loess hilly and gully region.[Method] Based on the investigation of vegetation in the closed watershe...[Objective] The aim was to study the effect of site factor on plant community characteristic in closed watershed in loess hilly and gully region.[Method] Based on the investigation of vegetation in the closed watershed of Wuqi County in Shaanxi Province,the difference of plant community characteristic and species diversity under various site types was researched in our paper.[Result] In the investigation area,xerophytic herb was the main community,with sole species composition and simple community structure.Zonal vegetations were Artemisia sacrorum and Artemisia giraldii community;for plant diversity,the order of diversity index was ridge topgully bottomridge slopegully slope in various landform positions and semi-shady slopeshady slopesemi-sunny slopesunny slope in various slope aspects;with the increase of gradient,the diversity index of sunny slope changed with ＂S＂ type,and it reached maximum value at 37°.[Conclusion] Our study could provide theoretical foundation for vegetative restoration in loess hilly and gully region.展开更多
The hitherto North America grass feeding leafhopper genus and species Graminella nigrinota DeLong ＆ Molar comb. revived, are newly recorded from China. Details and figures of the species morphology are given and its ...The hitherto North America grass feeding leafhopper genus and species Graminella nigrinota DeLong ＆ Molar comb. revived, are newly recorded from China. Details and figures of the species morphology are given and its generic placement briefly discussed.展开更多
This paper deals with the genera Anaesthetobrium Pic,1923 and Microestola Gressitt,1940 belonging to the tribe Desmiphorini.Microestola Gressitt,1940 is reinstated from synonyms of Cylindilla Bates,1884.Two new synony...This paper deals with the genera Anaesthetobrium Pic,1923 and Microestola Gressitt,1940 belonging to the tribe Desmiphorini.Microestola Gressitt,1940 is reinstated from synonyms of Cylindilla Bates,1884.Two new synonyms are proposed:Eunidiopsis Breuning,1939 syn.nov.=Anaesthetobrium Pic,1923 and Mimopothyne Breuning,1956 syn.nov.=Microestola Gressitt,1940.Two new combinations are made:Anaesthetobrium bicolor(Breuning,1939)comb.nov.previously in genus Eunidiopsis Breuning,1939,and Microestola flavolineata(Breuning,1956)comb.nov.previously in genus Mimopothyne Breuning,1956.展开更多
基金Supported by Forestry Key Technology R&D Program in the 11th Five year Plan of China(2006BAD03A0302)~~
文摘[Objective] The aim was to study the effect of site factor on plant community characteristic in closed watershed in loess hilly and gully region.[Method] Based on the investigation of vegetation in the closed watershed of Wuqi County in Shaanxi Province,the difference of plant community characteristic and species diversity under various site types was researched in our paper.[Result] In the investigation area,xerophytic herb was the main community,with sole species composition and simple community structure.Zonal vegetations were Artemisia sacrorum and Artemisia giraldii community;for plant diversity,the order of diversity index was ridge topgully bottomridge slopegully slope in various landform positions and semi-shady slopeshady slopesemi-sunny slopesunny slope in various slope aspects;with the increase of gradient,the diversity index of sunny slope changed with ＂S＂ type,and it reached maximum value at 37°.[Conclusion] Our study could provide theoretical foundation for vegetative restoration in loess hilly and gully region.
基金supported by the Anhui Provincial Natural Science Foundation (090413087)Pilot Project of Standardized Curation, Data Integration and Resource Sharing of Zoological Collections (2005DKA21402)
文摘The hitherto North America grass feeding leafhopper genus and species Graminella nigrinota DeLong ＆ Molar comb. revived, are newly recorded from China. Details and figures of the species morphology are given and its generic placement briefly discussed.
基金supported by a special fiscal fund from the Department of Forestry of Zhejiang Province for“Fauna and information management of insect resources in Zhejiang Province”by NSFC programs 31472029(Meiying LIN)and J1210002+1 种基金the China Scholarship Council(201704910195)partly by a grant(Y229YX5105)from the Key Laboratory of the Zoological Systematics and Evolution of the Chinese Academy of Sciences。
文摘This paper deals with the genera Anaesthetobrium Pic,1923 and Microestola Gressitt,1940 belonging to the tribe Desmiphorini.Microestola Gressitt,1940 is reinstated from synonyms of Cylindilla Bates,1884.Two new synonyms are proposed:Eunidiopsis Breuning,1939 syn.nov.=Anaesthetobrium Pic,1923 and Mimopothyne Breuning,1956 syn.nov.=Microestola Gressitt,1940.Two new combinations are made:Anaesthetobrium bicolor(Breuning,1939)comb.nov.previously in genus Eunidiopsis Breuning,1939,and Microestola flavolineata(Breuning,1956)comb.nov.previously in genus Mimopothyne Breuning,1956.
