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中国科学院昆明植物研究所知识管理系统
Knowledge Management System of Kunming Institute of Botany,CAS
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GST,p < 0.001) and low levels of seed-based gene flow. C. debaoensis (Cycadaceae) is an endangered species restricted to the border of Guangxi and Yunnan province in southwest China. This species has been classified into two types: sand and karst, according to the soil matrix they grow on. We examined chloroplast sequence variation of the cpDNA sequences from 11 populations of this species. Significant population genetic differentiation was detected (GST= 0.684 and FST = 0.74160). There was marked genetic differentiation between populations in the sand and karst regions and no expansion was detected. Climate changes during glacial periods have had significant effects on the current distribution of cycads. The molecular phylogenetic data, together with the geographic distribution of the haplotypes, suggest that C. debaoensis experienced range contraction during glacial periods, and that the current populations are still confined to the original refugia in southwest China which have favorable habitats in glacial period. These results imply that small refugia were maintained in both sand and karst regions during the LGM (last glacial maximum). This species had no postglacial recolonization and only stayed in these refugia up to now. The low within-population diversity of C. debaoensis suggests that there were strong bottleneck events or founder effects within each separate region during the Quaternary climatic oscillations. Relatively high genetic and haplotype diversities were detected in the newly discovered populations, which located at intermediate locality of sand regions and had morphological variation; this is probably the consequence of the admixture of different haplotypes colonizing the area from separate sources. C. micholitzii occurs in the Annan Highlands in central Vietnam near the Laos border. C. bifida occurs in North Vietnam; its distribution extends across the border into adjacent localities in Guangxi and Yunnan in China. For the comparability between them,theywere considered as the same species C. micholitzii by many academicians. The cpDNA sequences from 11 populations showed that these very controversial species, C. micholitzii and C. bifida, is paraphyletic and should belong to the same species C. micholitzii. AMOVA analysis showed that the component of among-population within region/species (76.46%) was unexpectedly larger than the among-species/region component (14.97%), which also indicates that there is no justification for recognizing two species as C. micholitzii and C. bifida. This hypothesis was also supported by the geological data, especially the neotectonic history of the indo-china block, which started to move south since Oligocene and cause the geographic isolation of these two groups. Therefore, the most likely explanation to the phenotypic similarities between these two groups may be the retention of ancestral polymorphisms in the paraphyletic group due to incomplete lineage sorting. Furthermore, the similarities may also be ascribed to pollen-mediated gene flow among geographically proximate populations and/or phenotypic convergence under similar selection schemes in the same region. C.micholitzi had the higest genetic diversity (HT = 0.980,) and genetic differentiation (GST = 0.830, NST = 0.915) among the C. micholitzii complex. The high genetic diversity might be attributed to its long evolutionary history, highly diverse habitats. The ineffective mode of seed dispersal and dramatic neotectonic movement in the distribution range of this species could result in the high genetic differentiation. 2. Phylogeographic analysis based on nuclear ribosomal sequences, We sequenced the nrDNA ITS in all 27 populations sampled, 7 haplotypes were identified, among which C. micholitzii had 6, while C. multipinnata, C. longipetiolula and C. debaoensis shared the remaining one. Compared to chloroplast genes, nuclear genes had higher correlation between genetic and geographical distance, but lower interspecies differentiation (54.42% vs 25.24%). Phylogeographical structure of C. micholitzii and C.bifida based on ITS Variation was consistent with the morphology differentiation. This similar in nuclear gene should be ascribed to pollen-mediated gene flow among geographically proximate populations.Long-distance gene flow over the two groups was clearly interrupted, which brought on the nrDNA genetic differenciation between the geographically isolated groups, to a certain extent affected the morphological variation. 3. Interspecies relationships among Cycas micholitzii complex, We analysed chloroplast sequence variation of the atpB-rbcL and psbA-trnH intergenic spacers in 27 populations sampled of C. micholitzii complex, AMOVA analysis showed that the component of among-species/region component (59.21%). However, phylogenic analysis showed that the haplotypes of C. micholitzii complex couldn`t grouped into four clusters closely corresponding to the narrowly defined C. micholitzi, C. multipinnata, C. debaoensis and C. longipetiolula. We concluded that the conflict may result from several factors: firstly incomplete lineage sorting of C. micholitzii; secondly hybridization/introgression of sympatrically cycads, which would be supported by evidence base on nrDNA ITS sequences; thirdly intramolecular recombination in cpDNA of cycads; eventually the neotectonic movement in the distribution range of this species.","jscount":"1","jsurl":"/simple-search?field1=all&rpp=10&accurate=false&advanced=false&sort_by=2&isNonaffiliated=false&search_type=-1&query1=FLORISTIC%2BANALYSIS&order=desc&&fq=dc.project.title_filter%3ACycas%5C+micholitzii%5C+complex%5C+is%5C+composed%5C+of%5C+5%5C+species%5C%3A%5C+C.%5C+micholitzii%5C+Dyer%2C%5C+C.%5C+bifida%5C+%5C%28Dyer%5C%29%5C+K.%5C+D.%5C+Hill%2CC.%5C+longipetiolula%5C+D.%5C+Y.%5C+Wang%2C%5C+C.%5C+debaoensis%5C+Y.%5C+C.%5C+Zhong%5C+et%5C+C%5C+J.%5C+Chen%2C%5C+C.%5C+multipinnata%5C+C%5C+J.%5C+Chen%5C+et%5C+S.%5C+Y.%5C+Yang%EF%BC%8Cand%5C+distributed%5C+from%5C+southwest%5C+China%5C+to%5C+central%5C+Vietnam%5C+and%5C+eastern%5C+Laos.%5C+Based%5C+on%5C+sequence%5C+data%5C+from%5C+two%5C+maternally%5C+inherited%5C+cpDNA%5C+and%5C+one%5C+biparentally%5C+nuclear%5C+DNA%5C+fragments%2C%5C+our%5C+study%5C+revealed%5C+the%5C+population%5C+genetic%5C+structure%5C+of%5C+C.%5C+micholitzii%5C+complex%5C+and%5C+explored%5C+the%5C+potential%5C+causes.%5C+The%5C+evolutionary%5C+and%5C+demographic%5C+histories%5C+were%5C+investigated.%5C+The%5C+genetic%5C+relationship%5C+among%5C+species%5C+in%5C+the%5C+complex%5C+was%5C+also%5C+clarified.The%5C+results%5C+were%5C+summarized%5C+as%5C+follows%5C%3A%5C+1.%5C+Phylogeographic%5C+analysis%5C+based%5C+on%5C+chloroplast%5C+sequences%EF%BC%8CWe%5C+examined%5C+chloroplast%5C+sequence%5C+variation%5C+of%5C+the%5C+atpB%5C-rbcLand%5C+psbA%5C-trnHintergenic%5C+spacers%5C+in%5C+27%5C+populations%5C+of%5C+C.%5C+micholitzii%5C+complex%2C%5C+recovering%5C+26%5C+haplotypes.%5C+The%5C+average%5C+within%5C-population%5C+diversity%5C+%5C%28HS%5C+%3D%5C+0.140%5C%29%5C+was%5C+low%5C+while%5C+total%5C+diversity%5C+%5C%28HT%5C+%3D%5C+0.911%5C%29%5C+was%5C+high.%5C+Population%5C+differentiation%5C+was%5C+also%5C+high%5C%28GST%5C+%3D%5C+0.846%2C%5C+NST%5C+%3D%5C+0.919%5C%29%2C%5C+indicating%5C+significant%5C+phylogeographical%5C+structure%5C+%5C%28NST%5C+%3E%5C+GST%2Cp%5C+%3C%5C+0.001%5C%29%5C+and%5C+low%5C+levels%5C+of%5C+seed%5C-based%5C+gene%5C+flow.%5C+C.%5C+debaoensis%5C+%5C%28Cycadaceae%5C%29%5C+is%5C+an%5C+endangered%5C+species%5C+restricted%5C+to%5C+the%5C+border%5C+of%5C+Guangxi%5C+and%5C+Yunnan%5C+province%5C+in%5C+southwest%5C+China.%5C+This%5C+species%5C+has%5C+been%5C+classified%5C+into%5C+two%5C+types%5C%3A%5C+sand%5C+and%5C+karst%2C%5C+according%5C+to%5C+the%5C+soil%5C+matrix%5C+they%5C+grow%5C+on.%5C+We%5C+examined%5C+chloroplast%5C+sequence%5C+variation%5C+of%5C+the%5C+cpDNA%5C+sequences%5C+from%5C+11%5C+populations%5C+of%5C+this%5C+species.%5C+Significant%5C+population%5C+genetic%5C+differentiation%5C+was%5C+detected%5C+%5C%28GST%3D%5C+0.684%5C+and%5C+FST%5C+%3D%5C+0.74160%5C%29.%5C+There%5C+was%5C+marked%5C+genetic%5C+differentiation%5C+between%5C+populations%5C+in%5C+the%5C+sand%5C+and%5C+karst%5C+regions%5C+and%5C+no%5C+expansion%5C+was%5C+detected.%5C+Climate%5C+changes%5C+during%5C+glacial%5C+periods%5C+have%5C+had%5C+significant%5C+effects%5C+on%5C+the%5C+current%5C+distribution%5C+of%5C+cycads.%5C+The%5C+molecular%5C+phylogenetic%5C+data%2C%5C+together%5C+with%5C+the%5C+geographic%5C+distribution%5C+of%5C+the%5C+haplotypes%2C%5C+suggest%5C+that%5C+C.%5C+debaoensis%5C+experienced%5C+range%5C+contraction%5C+during%5C+glacial%5C+periods%2C%5C+and%5C+that%5C+the%5C+current%5C+populations%5C+are%5C+still%5C+confined%5C+to%5C+the%5C+original%5C+refugia%5C+in%5C+southwest%5C+China%5C+which%5C+have%5C+favorable%5C+habitats%5C+in%5C+glacial%5C+period.%5C+These%5C+results%5C+imply%5C+that%5C+small%5C+refugia%5C+were%5C+maintained%5C+in%5C+both%5C+sand%5C+and%5C+karst%5C+regions%5C+during%5C+the%5C+LGM%5C+%5C%28last%5C+glacial%5C+maximum%5C%29.%5C+This%5C+species%5C+had%5C+no%5C+postglacial%5C+recolonization%5C+and%5C+only%5C+stayed%5C+in%5C+these%5C+refugia%5C+up%5C+to%5C+now.%5C+The%5C+low%5C+within%5C-population%5C+diversity%5C+of%5C+C.%5C+debaoensis%5C+suggests%5C+that%5C+there%5C+were%5C+strong%5C+bottleneck%5C+events%5C+or%5C+founder%5C+effects%5C+within%5C+each%5C+separate%5C+region%5C+during%5C+the%5C+Quaternary%5C+climatic%5C+oscillations.%5C+Relatively%5C+high%5C+genetic%5C+and%5C+haplotype%5C+diversities%5C+were%5C+detected%5C+in%5C+the%5C+newly%5C+discovered%5C+populations%2C%5C+which%5C+located%5C+at%5C+intermediate%5C+locality%5C+of%5C+sand%5C+regions%5C+and%5C+had%5C+morphological%5C+variation%5C%3B%5C+this%5C+is%5C+probably%5C+the%5C+consequence%5C+of%5C+the%5C+admixture%5C+of%5C+different%5C+haplotypes%5C+colonizing%5C+the%5C+area%5C+from%5C+separate%5C+sources.%5C+%5C+C.%5C+micholitzii%5C+occurs%5C+in%5C+the%5C+Annan%5C+Highlands%5C+in%5C+central%5C+Vietnam%5C+near%5C+the%5C+Laos%5C+border.%5C+C.%5C+bifida%5C+occurs%5C+in%5C+North%5C+Vietnam%5C%3B%5C+its%5C+distribution%5C+extends%5C+across%5C+the%5C+border%5C+into%5C+adjacent%5C+localities%5C+in%5C+Guangxi%5C+and%5C+Yunnan%5C+in%5C+China.%5C+For%5C+the%5C+comparability%5C+between%5C+them%2Ctheywere%5C+considered%5C+as%5C+the%5C+same%5C+species%5C+C.%5C+micholitzii%5C+by%5C+many%5C+acade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Eastern Branch of the Russian Academy of Sciences[BAHT17-002]","jscount":"1","jsurl":"/simple-search?field1=all&rpp=10&accurate=false&advanced=false&sort_by=2&isNonaffiliated=false&search_type=-1&query1=FLORISTIC%2BANALYSIS&order=desc&&fq=dc.project.title_filter%3AFar%5C+Eastern%5C+Branch%5C+of%5C+the%5C+Russian%5C+Academy%5C+of%5C+Sciences%5C%5BBAHT17%5C-002%5C%5D"},{"jsname":"Friends of the Royal Botanic Gardens Victoria","jscount":"1","jsurl":"/simple-search?field1=all&rpp=10&accurate=false&advanced=false&sort_by=2&isNonaffiliated=false&search_type=-1&query1=FLORISTIC%2BANALYSIS&order=desc&&fq=dc.project.title_filter%3AFriends%5C+of%5C+the%5C+Royal%5C+Botanic%5C+Gardens%5C+Victoria"},{"jsname":"In the present study, we focused on “Pterygiella complex”, included Pterygiella Oliver, Xizangia D.Y. Hong, Phtheirospermum Bunge ex Fischer & C.A. Meyer, and Pseudobartsia D.Y. Hong, which is endemic to Eastern Asia. Based on chloroplast and nuclear sequences, we explored their phylogeny relationships within Orobanchaceae, the species relations within Pterygiella, and fruit and seed morphology of traditional tribe Rhinantheae. The phylogeny of “Pterygiella complex” was reconstructed based on nuclear and chloroplast sequences within the family Orobanchaceae. The genera relationship within the complex was reconstructed based on chloroplast sequences of atpB-rbcL, atpH-I, psbA-trnH, rpl16, trnL-F and trnS-G. The results showed that “Pterygiella complex” was not a natural group and could be divided into two different clades. Clade I included most taxa, e.g. Pterygiella, Xizangia, Pseudobartsia, Phtheirospermum (exclude P. japonicum). The species of this clade were endemic to East-Himalaya and Hengduan Mountains region. Clade II included Phtheirospermum japonicum (Thunberg) Kanitz, which was a heterogeneous member in genus Phtheirospermum and should be treated as a new monotypic genus. The results supported that Pterygiella bartschioides Hand.-Mazz. and Phtheirospermum glandulosum Benth. should be elevated to genus level as Xizangia and Pseudobartsia, respectively.Furthermore, we focused on the genus Pterygiella to explore the species’ circumscription by molecular phylogeny, DNA barcodes and morphological studies. The results suggested that Pterygiella should divide into three clades. P. duclouxii was divided into clade I and clade II, and P. nigrescens was included the clade I of these P. duclouxii taxa, with which it shares eglandular hairs on the stem. Clade III included P. suffruticosa and P. cylindrica, while the level of inter- and intra-species variation in two species did not support their distinction. Therefore, P. suffruticosa should move into or considered as a variety of P. cylindrica. The form of stem, leaf veins and the indumentum of stems are key traits for circumscribing the species within the genus. By comparing the effectiveness with core DNA barcodes, ITS-2 can be used as suitable DNA barcode in the genus Pterygiella.Fruit and seed characteristics of 49 species in 21 genera of the tribe Rhinantheae and 9 species in 9 genera of Orobachaceae were examined. 25 characters were selected and analyzed by principal component analysis for discovering the systematic significances. The results suggested four main types and six subtypes were distinguished based on gross seed coat appearance, inner tangential wall and thickenings of radial wall. Fruit and seed data reflect the close relationships within “Pterygiella complex”. While, Xizangia was distinctly different from Pterygiella. Phtheirospermum tenuisectum was more similar to the member of section minutisepala within the genus Phtheiroseprmum. Phtheirospermum japonicum was heterogeneous within the genus Phtheirospermum. On the whole, fruit and seed data supported Xizangia and Pseudobartsia as a genus rank and Phtheirospermum japonicum was a heterogeneous member in Phtheirospermum","jscount":"1","jsurl":"/simple-search?field1=all&rpp=10&accurate=false&advanced=false&sort_by=2&isNonaffiliated=false&search_type=-1&query1=FLORISTIC%2BANALYSIS&order=desc&&fq=dc.project.title_filter%3AIn%5C+the%5C+present%5C+study%2C%5C+we%5C+focused%5C+on%5C+%E2%80%9CPterygiella%5C+complex%E2%80%9D%2C%5C+included%5C+Pterygiella%5C+Oliver%2C%5C+Xizangia%5C+D.Y.%5C+Hong%2C%5C+Phtheirospermum%5C+Bunge%5C+ex%5C+Fischer%5C+%5C%26%5C+C.A.%5C+Meyer%2C%5C+and%5C+Pseudobartsia%5C+D.Y.%5C+Hong%2C%5C+which%5C+is%5C+endemic%5C+to%5C+Eastern%5C+Asia.%5C+Based%5C+on%5C+chloroplast%5C+and%5C+nuclear%5C+sequences%2C%5C+we%5C+explored%5C+their%5C+phylogeny%5C+relationships%5C+within%5C+Orobanchaceae%2C%5C+the%5C+species%5C+relations%5C+within%5C+Pterygiella%2C%5C+and%5C+fruit%5C+and%5C+seed%5C+morphology%5C+of%5C+traditional%5C+tribe%5C+Rhinantheae.%5C+The%5C+phylogeny%5C+of%5C+%E2%80%9CPterygiella%5C+complex%E2%80%9D%5C+was%5C+reconstructed%5C+based%5C+on%5C+nuclear%5C+and%5C+chloroplast%5C+sequences%5C+within%5C+the%5C+family%5C+Orobanchaceae.%5C+The%5C+genera%5C+relationship%5C+within%5C+the%5C+complex%5C+was%5C+reconstructed%5C+based%5C+on%5C+chloroplast%5C+sequences%5C+of%5C+atpB%5C-rbcL%2C%5C+atpH%5C-I%2C%5C+psbA%5C-trnH%2C%5C+rpl16%2C%5C+trnL%5C-F%5C+and%5C+trnS%5C-G.%5C+The%5C+results%5C+showed%5C+that%5C+%E2%80%9CPterygiella%5C+complex%E2%80%9D%5C+was%5C+not%5C+a%5C+natural%5C+group%5C+and%5C+could%5C+be%5C+divided%5C+into%5C+two%5C+different%5C+clades.%5C+Clade%5C+I%5C+included%5C+most%5C+taxa%2C%5C+e.g.%5C+Pterygiella%2C%5C+Xizangia%2C%5C+Pseudobartsia%2C%5C+Phtheirospermum%5C+%5C%28exclude%5C+P.%5C+japonicum%5C%29.%5C+The%5C+species%5C+of%5C+this%5C+clade%5C+were%5C+endemic%5C+to%5C+East%5C-Himalaya%5C+and%5C+Hengduan%5C+Mountains%5C+region.%5C+Clade%5C+II%5C+included%5C+Phtheirospermum%5C+japonicum%5C+%5C%28Thunberg%5C%29%5C+Kanitz%2C%5C+which%5C+was%5C+a%5C+heterogeneous%5C+member%5C+in%5C+genus%5C+Phtheirospermum%5C+and%5C+should%5C+be%5C+treated%5C+as%5C+a%5C+new%5C+monotypic%5C+genus.%5C+The%5C+results%5C+supported%5C+that%5C+Pterygiella%5C+bartschioides%5C+Hand.%5C-Mazz.%5C+and%5C+Phtheirospermum%5C+glandulosum%5C+Benth.%5C+should%5C+be%5C+elevated%5C+to%5C+genus%5C+level%5C+as%5C+Xizangia%5C+and%5C+Pseudobartsia%2C%5C+respectively.Furthermore%2C%5C+we%5C+focused%5C+on%5C+the%5C+genus%5C+Pterygiella%5C+to%5C+explore%5C+the%5C+species%E2%80%99%5C+circumscription%5C+by%5C+molecular%5C+phylogeny%2C%5C+DNA%5C+barcodes%5C+and%5C+morphological%5C+studies.%5C+The%5C+results%5C+suggested%5C+that%5C+Pterygiella%5C+should%5C+divide%5C+into%5C+three%5C+clades.%5C+P.%5C+duclouxii%5C+was%5C+divided%5C+into%5C+clade%5C+I%5C+and%5C+clade%5C+II%2C%5C+and%5C+P.%5C+nigrescens%5C+was%5C+included%5C+the%5C+clade%5C+I%5C+of%5C+these%5C+P.%5C+duclouxii%5C+taxa%2C%5C+with%5C+which%5C+it%5C+shares%5C+eglandular%5C+hairs%5C+on%5C+the%5C+stem.%5C+Clade%5C+III%5C+included%5C+P.%5C+suffruticosa%5C+and%5C+P.%5C+cylindrica%2C%5C+while%5C+the%5C+level%5C+of%5C+inter%5C-%5C+and%5C+intra%5C-species%5C+variation%5C+in%5C+two%5C+species%5C+did%5C+not%5C+support%5C+their%5C+distinction.%5C+Therefore%2C%5C+P.%5C+suffruticosa%5C+should%5C+move%5C+into%5C+or%5C+considered%5C+as%5C+a%5C+variety%5C+of%5C+P.%5C+cylindrica.%5C+The%5C+form%5C+of%5C+stem%2C%5C+leaf%5C+veins%5C+and%5C+the%5C+indumentum%5C+of%5C+stems%5C+are%5C+key%5C+traits%5C+for%5C+circumscribing%5C+the%5C+species%5C+within%5C+the%5C+genus.%5C+By%5C+comparing%5C+the%5C+effectiveness%5C+with%5C+core%5C+DNA%5C+barcodes%2C%5C+ITS%5C-2%5C+can%5C+be%5C+used%5C+as%5C+suitable%5C+DNA%5C+barcode%5C+in%5C+the%5C+genus%5C+Pterygiella.Fruit%5C+and%5C+seed%5C+characteristics%5C+of%5C+49%5C+species%5C+in%5C+21%5C+genera%5C+of%5C+the%5C+tribe%5C+Rhinantheae%5C+and%5C+9%5C+species%5C+in%5C+9%5C+genera%5C+of%5C+Orobachaceae%5C+were%5C+examined.%5C+25%5C+characters%5C+were%5C+selected%5C+and%5C+analyzed%5C+by%5C+principal%5C+component%5C+analysis%5C+for%5C+discovering%5C+the%5C+systematic%5C+significances.%5C+The%5C+results%5C+suggested%5C+four%5C+main%5C+types%5C+and%5C+six%5C+subtypes%5C+were%5C+distinguished%5C+based%5C+on%5C+gross%5C+seed%5C+coat%5C+appearance%2C%5C+inner%5C+tangential%5C+wall%5C+and%5C+thickenings%5C+of%5C+radial%5C+wall.%5C+Fruit%5C+and%5C+seed%5C+data%5C+reflect%5C+the%5C+close%5C+relationships%5C+within%5C+%E2%80%9CPterygiella%5C+complex%E2%80%9D.%5C+While%2C%5C+Xizangia%5C+was%5C+distinctly%5C+different%5C+from%5C+Pterygiella.%5C+Phtheirospermum%5C+tenuisectum%5C+was%5C+more%5C+similar%5C+to%5C+the%5C+member%5C+of%5C+section%5C+minutisepala%5C+within%5C+the%5C+genus%5C+Phtheiroseprmum.%5C+Phtheirospermum%5C+japonicum%5C+was%5C+heterogeneous%5C+within%5C+the%5C+genus%5C+Phtheirospermum.%5C+On%5C+the%5C+whole%2C%5C+fruit%5C+and%5C+seed%5C+data%5C+supported%5C+Xizangia%5C+and%5C+Pseudobartsia%5C+as%5C+a%5C+genus%5C+rank%5C+and%5C+Phtheirospermum%5C+japonicum%5C+was%5C+a%5C+heterogeneous%5C+member%5C+in%5C+Phtheirospermum"},{"jsname":"Innovation Program of the Chinese Academy of Sciences[KSCX2-YW-Z-0926]","jscount":"1","jsurl":"/simple-search?field1=all&rpp=10&accurate=false&advanced=false&sort_by=2&isNonaffiliated=false&search_type=-1&query1=FLORISTIC%2BANALYSIS&order=desc&&fq=dc.project.title_filter%3AInnovation%5C+Program%5C+of%5C+the%5C+Chinese%5C+Academy%5C+of%5C+Sciences%5C%5BKSCX2%5C-YW%5C-Z%5C-0926%5C%5D"},{"jsname":"JSPS (Japan Society for the Promotion of Science)[17F17094]","jscount":"1","jsurl":"/simple-search?field1=all&rpp=10&accurate=false&advanced=false&sort_by=2&isNonaffiliated=false&search_type=-1&query1=FLORISTIC%2BANALYSIS&order=desc&&fq=dc.project.title_filter%3AJSPS%5C+%5C%28Japan%5C+Society%5C+for%5C+the%5C+Promotion%5C+of%5C+Science%5C%29%5C%5B17F17094%5C%5D"},{"jsname":"JSPS (Japan Society for the Promotion of Science)[19570083]","jscount":"1","jsurl":"/simple-search?field1=all&rpp=10&accurate=false&advanced=false&sort_by=2&isNonaffiliated=false&search_type=-1&query1=FLORISTIC%2BANALYSIS&order=desc&&fq=dc.project.title_filter%3AJSPS%5C+%5C%28Japan%5C+Society%5C+for%5C+the%5C+Promotion%5C+of%5C+Science%5C%29%5C%5B19570083%5C%5D"},{"jsname":"JSPS Fellowship","jscount":"1","jsurl":"/simple-search?field1=all&rpp=10&accurate=false&advanced=false&sort_by=2&isNonaffiliated=false&search_type=-1&query1=FLORISTIC%2BANALYSIS&order=desc&&fq=dc.project.title_filter%3AJSPS%5C+Fellowship"},{"jsname":"Japan Society for the Promotion of Science[1264402271]","jscount":"1","jsurl":"/simple-search?field1=all&rpp=10&accurate=false&advanced=false&sort_by=2&isNonaffiliated=false&search_type=-1&query1=FLORISTIC%2BANALYSIS&order=desc&&fq=dc.project.title_filter%3AJapan%5C+Society%5C+for%5C+the%5C+Promotion%5C+of%5C+Science%5C%5B1264402271%5C%5D"},{"jsname":"Large-scale Scientific Facilities of the Chinese Academy of Sciences[2017-LSF-GBOWS-02]","jscount":"1","jsurl":"/simple-search?field1=all&rpp=10&accurate=false&advanced=false&sort_by=2&isNonaffiliated=false&search_type=-1&query1=FLORISTIC%2BANALYSIS&order=desc&&fq=dc.project.title_filter%3ALarge%5C-scale%5C+Scientific%5C+Facilities%5C+of%5C+the%5C+Chinese%5C+Academy%5C+of%5C+Sciences%5C%5B2017%5C-LSF%5C-GBOWS%5C-02%5C%5D"},{"jsname":"Major Program of the NSFC[31590823]","jscount":"1","jsurl":"/simple-search?field1=all&rpp=10&accurate=false&advanced=false&sort_by=2&isNonaffiliated=false&search_type=-1&query1=FLORISTIC%2BANALYSIS&order=desc&&fq=dc.project.title_filter%3AMajor%5C+Program%5C+of%5C+the%5C+NSFC%5C%5B31590823%5C%5D"},{"jsname":"Mt. Jiaozi from Yunnan is located in the eastern of the Central Yunnan Plateau, falling between the Pudu river and the Xiaojiang river, between the Jinshajiang river to the north and the Zhuanlong town of Luquan county to the south. It stands in the boundary of the Sino-Himalayan forest subkingdom and the Sino-Japan forest subkingdom, so it has a significant status, dew to the heterogeneous geographical environment and the sharp elevation drop in addition. Through field survey, specimens collection and identification and literatures consultion, we have obtained a brief list of Mt. Jiaozi, about 1517 species in 141 families and 531 genera, including varieties and subspices, among of which, there are 23 species in 7 families and 12 genera of gymnosperm. Based on statistic analysis, we get some conclusions as below. 1. As a type locality for many species, with various biodiversity and as much as endemism and some endangered plants, the flora of Mt. Jiaozi is viewed as a key area which should be paid special attention to. The flora constitution of this area has complex origins and multiple elements through the statistics. 2. The modern flora of Mt. jiaozi mainly includes the Chinese endemic elements and the Asian endemic elements, these two parts take up 81.65%. The characteristic of this flora is typically temperate. 3. Mt. Jiaozi is the north or the south distribution limitation to some important species as a floristic node. For example, species as Ephedra likiangensis, Solms-Laubachia pulcherrima, Soroseris hirsute, Paraquilegia microphylla which were used to be throught as limited in the northwestern of Yunnan had been found in this area. It indicates that, Mt. Jiaozi should become one of the foci of the flora regionalization in Yunnan, even in China. 4. In the view of the endemism of 6 families and 66 genera and 544 species in East Asian, this eara is a part of the East Asiatic Kingdom. The status of the flora of Mt. jiaozi in the East Asiatic Kingdom should be classified as Central Yunnan plateau subregion--Yunnan plateau region--Sino-Himalayan forest subkingdom.","jscount":"1","jsurl":"/simple-search?field1=all&rpp=10&accurate=false&advanced=false&sort_by=2&isNonaffiliated=false&search_type=-1&query1=FLORISTIC%2BANALYSIS&order=desc&&fq=dc.project.title_filter%3AMt.%5C+Jiaozi%5C+from%5C+Yunnan%5C+is%5C+located%5C+in%5C+the%5C+eastern%5C+of%5C+the%5C+Central%5C+Yunnan%5C+Plateau%2C%5C+falling%5C+between%5C+the%5C+Pudu%5C+river%5C+and%5C+the%5C+Xiaojiang%5C+river%2C%5C+between%5C+the%5C+Jinshajiang%5C+river%5C+to%5C+the%5C+north%5C+and%5C+the%5C+Zhuanlong%5C+town%5C+of%5C+Luquan%5C+county%5C+to%5C+the%5C+south.%5C+It%5C+stands%5C+in%5C+the%5C+boundary%5C+of%5C+the%5C+Sino%5C-Himalayan%5C+forest%5C+subkingdom%5C+and%5C+the%5C+Sino%5C-Japan%5C+forest%5C+subkingdom%2C%5C+so%5C+it%5C+has%5C+a%5C+significant%5C+status%2C%5C+dew%5C+to%5C+the%5C+heterogeneous%5C+geographical%5C+environment%5C+and%5C+the%5C+sharp%5C+elevation%5C+drop%5C+in%5C+addition.%5C+Through%5C+field%5C+survey%2C%5C+specimens%5C+collection%5C+and%5C+identification%5C+and%5C+literatures%5C+consultion%2C%5C+we%5C+have%5C+obtained%5C+a%5C+brief%5C+list%5C+of%5C+Mt.%5C+Jiaozi%2C%5C+about%5C+1517%5C+species%5C+in%5C+141%5C+families%5C+and%5C+531%5C+genera%2C%5C+including%5C+varieties%5C+and%5C+subspices%2C%5C+among%5C+of%5C+which%2C%5C+there%5C+are%5C+23%5C+species%5C+in%5C+7%5C+families%5C+and%5C+12%5C+genera%5C+of%5C+gymnosperm.%5C+Based%5C+on%5C+statistic%5C+analysis%2C%5C+we%5C+get%5C+some%5C+conclusions%5C+as%5C+below.%5C+1.%5C+As%5C+a%5C+type%5C+locality%5C+for%5C+many%5C+species%2C%5C+with%5C+various%5C+biodiversity%5C+and%5C+as%5C+much%5C+as%5C+endemism%5C+and%5C+some%5C+endangered%5C+plants%2C%5C+the%5C+flora%5C+of%5C+Mt.%5C+Jiaozi%5C+is%5C+viewed%5C+as%5C+a%5C+key%5C+area%5C+which%5C+should%5C+be%5C+paid%5C+special%5C+attention%5C+to.%5C+The%5C+flora%5C+constitution%5C+of%5C+this%5C+area%5C+has%5C+complex%5C+origins%5C+and%5C+multiple%5C+elements%5C+through%5C+the%5C+statistics.%5C+2.%5C+The%5C+modern%5C+flora%5C+of%5C+Mt.%5C+jiaozi%5C+mainly%5C+includes%5C+the%5C+Chinese%5C+endemic%5C+elements%5C+and%5C+the%5C+Asian%5C+endemic%5C+elements%2C%5C+these%5C+two%5C+parts%5C+take%5C+up%5C+81.65%25.%5C+The%5C+characteristic%5C+of%5C+this%5C+flora%5C+is%5C+typically%5C+temperate.%5C+3.%5C+Mt.%5C+Jiaozi%5C+is%5C+the%5C+north%5C+or%5C+the%5C+south%5C+distribution%5C+limitation%5C+to%5C+some%5C+important%5C+species%5C+as%5C+a%5C+floristic%5C+node.%5C+For%5C+example%2C%5C+species%5C+as%5C+Ephedra%5C+likiangensis%2C%5C+Solms%5C-Laubachia%5C+pulcherrima%2C%5C+Soroseris%5C+hirsute%2C%5C+Paraquilegia%5C+microphylla%5C+which%5C+were%5C+used%5C+to%5C+be%5C+throught%5C+as%5C+limited%5C+in%5C+the%5C+northwestern%5C+of%5C+Yunnan%5C+had%5C+been%5C+found%5C+in%5C+this%5C+area.%5C+It%5C+indicates%5C+that%2C%5C+Mt.%5C+Jiaozi%5C+should%5C+become%5C+one%5C+of%5C+the%5C+foci%5C+of%5C+the%5C+flora%5C+regionalization%5C+in%5C+Yunnan%2C%5C+even%5C+in%5C+China.%5C+4.%5C+In%5C+the%5C+view%5C+of%5C+the%5C+endemism%5C+of%5C+6%5C+families%5C+and%5C+66%5C+genera%5C+and%5C+544%5C+species%5C+in%5C+East%5C+Asian%2C%5C+this%5C+eara%5C+is%5C+a%5C+part%5C+of%5C+the%5C+East%5C+Asiatic%5C+Kingdom.%5C+The%5C+status%5C+of%5C+the%5C+flora%5C+of%5C+Mt.%5C+jiaozi%5C+in%5C+the%5C+East%5C+Asiatic%5C+Kingdom%5C+should%5C+be%5C+classified%5C+as%5C+Central%5C+Yunnan%5C+plateau%5C+subregion%5C-%5C-Yunnan%5C+plateau%5C+region%5C-%5C-Sino%5C-Himalayan%5C+forest%5C+subkingdom."},{"jsname":"NSFC-Yunnan Joint Fund[U1502262]","jscount":"1","jsurl":"/simple-search?field1=all&rpp=10&accurate=false&advanced=false&sort_by=2&isNonaffiliated=false&search_type=-1&query1=FLORISTIC%2BANALYSIS&order=desc&&fq=dc.project.title_filter%3ANSFC%5C-Yunnan%5C+Joint%5C+Fund%5C%5BU1502262%5C%5D"},{"jsname":"lastIndexed","jscount":"2024-05-29"}],"资助项目","dc.project.title_filter")'>
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Systematics and Biogeography of Aralia L. (Araliaceae):Revision of Aralia Sects. Aralia, Humiles, Nanae, andSciadodendron
期刊论文
出版物, 3111, 卷号: 57, 期号: 0, 页码: 1-172
作者:
Jun Wen
Adobe PDF(7233Kb)
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浏览/下载：255/6
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提交时间：2017/07/24
Aralia
Aralia Sect. Aralia
Aralia Sect. Dimorphanthus
Aralia Sect. Humiles
Aralia Sect. Nanae
Aralia Sect. pentapanax
Aralia Sect. Sciadodendron
Biogeography
Araliaceae
Systematics
中国西南山地种子植物多样性演化历史的初步研究
学位论文
: 中国科学院大学, 2022
作者:
杨丹
Adobe PDF(9810Kb)
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浏览/下载：5/0
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提交时间：2024/05/14
生命之树，中国西南山地，演化历史，分化时间估计，多样化速率
Tree of Life, Mountains of Southwest China, Evolutionary History, Divergence Time Estimation, Diversification Rate
Darwin's preadaptation hypothesis and the phylogenetic structure of native and alien regional plant assemblages across North America
期刊论文
GLOBAL ECOLOGY AND BIOGEOGRAPHY, 2022, 卷号: 31, 期号: 3, 页码: 531-545
作者:
Qian,Hong
;
Sandel,Brody
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浏览/下载：78/0
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提交时间：2022/04/02
angiosperms
community assembly
Darwin's preadaptation hypothesis
environmental filtering
exotic species
introduced species
niche conservatism
niche convergence
phylogenetic dispersion
phylogenetic structure
NATURALIZATION HYPOTHESIS
FLORISTIC ANALYSIS
SPECIES-DIVERSITY
ECOLOGY
CONUNDRUM
PATTERNS
INVASIVENESS
RELATEDNESS
GRADIENTS
INVASIONS
A global phylogeny of Lycopodiaceae (Lycopodiales; lycophytes) with the description of a new genus, Brownseya, from Oceania
期刊论文
TAXON, 2022, 卷号: 71, 期号: 1, 页码: 25-51
作者:
Chen,De-Kui
;
Zhou,Xin-Mao
;
Rothfels,Carl J.
;
Shepherd,Lara D.
;
Knapp,Ralf
;
Zhang,Liang
;
Lu,Ngan Thi
;
Fan,Xue-Ping
;
Wan,Xia
;
Gao,Xin-Fen
;
He,Hai
;
Zhang,Li-Bing
Adobe PDF(8520Kb)
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浏览/下载：159/8
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提交时间：2022/04/02
Huperzia
Lycophyte Phylogeny
Lycopodiella Serpentina
Phlegmariurus
Phylloglossum
Vascular Plant Evolution
Complete Chloroplast Genome
Lycopodiopsida Lycopodiaceae
Generic Classification
Spore Morphology
Early Evolution
Land Plants
Rbcl Gene
Huperzia
Sequence
Likelihood
Darwin's preadaptation hypothesis and the phylogenetic structure of native and alien regional plant assemblages across North America
期刊论文
GLOBAL ECOLOGY AND BIOGEOGRAPHY, 2022
作者:
Qian, Hong
;
Sandel, Brody
Adobe PDF(18390Kb)
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浏览/下载：252/23
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提交时间：2024/03/12
angiosperms
community assembly
Darwin's preadaptation hypothesis
environmental filtering
exotic species
introduced species
niche conservatism
niche convergence
phylogenetic dispersion
phylogenetic structure
NATURALIZATION HYPOTHESIS
FLORISTIC ANALYSIS
SPECIES-DIVERSITY
ECOLOGY
CONUNDRUM
PATTERNS
INVASIVENESS
RELATEDNESS
GRADIENTS
INVASIONS
系统发育在生物多样性保护中的应用-以高黎贡山北段为例
学位论文
, 2021
作者:
岳娟
Adobe PDF(2238Kb)
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浏览/下载：73/2
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提交时间：2023/11/02
云南兰科植物区系的多样性格局及其环境解释
学位论文
, 2021
作者:
王梦雨
Adobe PDF(1778Kb)
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浏览/下载：25/0
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提交时间：2024/03/20
Distinct late Pleistocene subtropical-tropical divergence revealed by fifteen low-copy nuclear genes in a dominant species in South-East China
期刊论文
SCIENTIFIC REPORTS, 2021, 卷号: 11, 期号: 1, 页码: 4147
作者:
Ye,Jun-Wei
;
Li,De-Zhu
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浏览/下载：61/0
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提交时间：2022/04/02
BROAD-LEAVED FOREST
PHYLOGEOGRAPHIC BREAKS
DNA-SEQUENCE
SEA
POLYMORPHISM
CHLOROPLAST
INFERENCE
DYNAMICS
HISTORY
FLOW
Niche overlap and divergence times support niche conservatism in eastern Asia-Eastern North America disjunct plants
期刊论文
GLOBAL ECOLOGY AND BIOGEOGRAPHY, 2021, 卷号: 30, 期号: 10, 页码: 1990-2003
作者:
Yin,Xue
;
Jarvie,Scott
;
Guo,Wen-Yong
;
Deng,Tao
;
Mao,Lingfeng
;
Zhang,Minhua
;
Chu,Chengjin
;
Qian,Hong
;
Svenning,Jens-Christian
;
He,Fangliang
Adobe PDF(1818Kb)
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浏览/下载：121/59
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提交时间：2022/04/02
divergence times
EAS-ENA plant disjunction
ensemble ecological niche models
niche conservatism
niche overlap
pairwise species
SPECIES DISTRIBUTION MODELS
SAMPLE-SIZE
PSEUDO-ABSENCES
VASCULAR PLANTS
EVOLUTION
ECOLOGY
DIVERSITY
DISTRIBUTIONS
ACCURACY
ANGIOSPERMS
Plastome phylogenomics of the East Asian endemic genus Dobinea
期刊论文
PLANT DIVERSITY, 2021, 卷号: 43, 期号: 1, 页码: 35-42
作者:
Liu,Changkun
;
Yang,Jin
;
Jin,Lei
;
Wang,Shuying
;
Yang,Zhenyan
;
Ji,Yunheng
Adobe PDF(3229Kb)
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浏览/下载：150/80
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提交时间：2022/04/02
Neo-endemism
Divergence
Dobinea delavayi
Dobinea vulgaris
Dobineeae
Anacardiaceae
QUANTITATIVE RECONSTRUCTION
MOLECULAR PHYLOGENETICS
EVOLUTIONARY HISTORY
CHLOROPLAST GENOME
SAPINDALES
MONSOON
NUCLEAR
CHINA
DIVERSIFICATION
ANACARDIACEAE
