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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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李德铢 [32]
Sun Hang [24]
周浙昆 [16]
张石宝 [13]
许建初 [13]
卢金梅 [12]
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0.05). For some populations, germination capacity in 12-h photoperiod was significantly higher than that in completed darkness（W-FD: P < 0.01, W-JD: P < 0.05）.Genetic variation within and among six populations was assessed using AFLP markers. Genetic diversity was higher at species level (PPL = 69.19%, HE = 0.221) than at population level (PPL = 26.22%, HE = 0.095, Is =0.140), and populations in southeast Yunnan were strongly differentiated from those in southwest Yunnan (Nei’s GST = 0.575; FST = 0.655). UPGMA analysis demonstrated a clear genetic division between the two populations from DeHong (SW Yunnan; D-JD and D-HG) and the four from WenShan (SE Yunnan; W-FD, W-LH, W-ML, and W-MG). Within-population genetic variation was significantly correlated with population isolation (r(PPL) = -0.94, P = 0.006; r(HE) = -0.85, P = 0.032; r(Is) = -0.87, P = 0.025), but not with population size (r(PPL) = 0.63, P = 0.178; r(HE) = 0.54, P = 0.268; r(Is) = 0.56, P = 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species, usually called tree ferns, are considered as relicts of a time when dinosaurs were common. In recent several decades, the number of Cyatheaceae plants decreases dramatically. In order to find the reasons and provide directions for protecting these endangered plants, the biological characteristics of Cyatheaceae were surveyed. Using AFLP and cpDNA sequence variations, the genetic diversity and phylogeography of Sphaeropteris brunoniana were also analyzed. Based on these findings, implications for conservation strategies were discussed for this relict tree fern. Main results of the dissertation were summarized as follows, (1) Cyatheaceae plants have extensive distribution in Yunnan, China, and most of them distribute in southeast of Yunnan. In southeast, they usually inhabit margins of evergreen broad-leaved forests or secondary coniferous forests; however, the population update is very different and the age structure is unscientific. The spore of Cyatheaceae is trilete, radially symmetrical, and perinous. The spores of Alsophila species feature a ridged perine and a granular, verrucate or smooth exine. The spores of S. brunoniana are characterized by an incipient granular outermost layer and a verrucate exine. The metaphase chromosome numbers of gametophytes in the three examined species, viz. A. podophylla, A. gigantea and A. austro-yunnanensis, are 69, indicating that they are diploid and do not display variety in chromosome number. The chemical constituents of S. brunoniana are main simple and familiar compounds, such as saccharides, fatty acids and alcohols, and stigmasterols. (2) An unexpectedly high level of nDNA genetic diversity and low cpDNA diversity were detected in S. brunoniana. (3) This study showed that the genetic differentiation among populations within regions was low and between regions was significant. (4) There were several refugia of S. brunoniana in Yunnan during glacial periods. The Hainan populations were likely new colonizations and originated from Southeast Asia. (5) To retain existing genetic diversity, whether in situ or ex situ conservation or collection of germplasm is used, the populations of the two regions should be considered equally. Furthermore, ex situ conservation of this species should be preferably conducted on large populations.","jscount":"1","jsurl":"/simple-search?field1=all&rpp=10&accurate=false&advanced=false&sort_by=2&isNonaffiliated=false&search_type=-1&query1=Ferns&order=desc&&fq=dc.project.title_filter%3ACyatheaceae%5C+species%2C%5C+usually%5C+called%5C+tree%5C+ferns%2C%5C+are%5C+considered%5C+as%5C+relicts%5C+of%5C+a%5C+time%5C+when%5C+dinosaurs%5C+were%5C+common.%5C+In%5C+recent%5C+several%5C+decades%2C%5C+the%5C+number%5C+of%5C+Cyatheaceae%5C+plants%5C+decreases%5C+dramatically.%5C+In%5C+order%5C+to%5C+find%5C+the%5C+reasons%5C+and%5C+provide%5C+directions%5C+for%5C+protecting%5C+these%5C+endangered%5C+plants%2C%5C+the%5C+biological%5C+characteristics%5C+of%5C+Cyatheaceae%5C+were%5C+surveyed.%5C+Using%5C+AFLP%5C+and%5C+cpDNA%5C+sequence%5C+variations%2C%5C+the%5C+genetic%5C+diversity%5C+and%5C+phylogeography%5C+of%5C+Sphaeropteris%5C+brunoniana%5C+were%5C+also%5C+analyzed.%5C+Based%5C+on%5C+these%5C+findings%2C%5C+implications%5C+for%5C+conservation%5C+strategies%5C+were%5C+discussed%5C+for%5C+this%5C+relict%5C+tree%5C+fern.%5C+Main%5C+results%5C+of%5C+the%5C+dissertation%5C+were%5C+summarized%5C+as%5C+follows%2C%5C+%5C%281%5C%29%5C+Cyatheaceae%5C+plants%5C+have%5C+extensive%5C+distribution%5C+in%5C+Yunnan%2C%5C+China%2C%5C+and%5C+most%5C+of%5C+them%5C+distribute%5C+in%5C+southeast%5C+of%5C+Yunnan.%5C+In%5C+southeast%2C%5C+they%5C+usually%5C+inhabit%5C+margins%5C+of%5C+evergreen%5C+broad%5C-leaved%5C+forests%5C+or%5C+secondary%5C+coniferous%5C+forests%5C%3B%5C+however%2C%5C+the%5C+population%5C+update%5C+is%5C+very%5C+different%5C+and%5C+the%5C+age%5C+structure%5C+is%5C+unscientific.%5C+The%5C+spore%5C+of%5C+Cyatheaceae%5C+is%5C+trilete%2C%5C+radially%5C+symmetrical%2C%5C+and%5C+perinous.%5C+The%5C+spores%5C+of%5C+Alsophila%5C+species%5C+feature%5C+a%5C+ridged%5C+perine%5C+and%5C+a%5C+granular%2C%5C+verrucate%5C+or%5C+smooth%5C+exine.%5C+The%5C+spores%5C+of%5C+S.%5C+brunoniana%5C+are%5C+characterized%5C+by%5C+an%5C+incipient%5C+granular%5C+outermost%5C+layer%5C+and%5C+a%5C+verrucate%5C+exine.%5C+The%5C+metaphase%5C+chromosome%5C+numbers%5C+of%5C+gametophytes%5C+in%5C+the%5C+three%5C+examined%5C+species%2C%5C+viz.%5C+A.%5C+podophylla%2C%5C+A.%5C+gigantea%5C+and%5C+A.%5C+austro%5C-yunnanensis%2C%5C+are%5C+69%2C%5C+indicating%5C+that%5C+they%5C+are%5C+diploid%5C+and%5C+do%5C+not%5C+display%5C+variety%5C+in%5C+chromosome%5C+number.%5C+The%5C+chemical%5C+constituents%5C+of%5C+S.%5C+brunoniana%5C+are%5C+main%5C+simple%5C+and%5C+familiar%5C+compounds%2C%5C+such%5C+as%5C+saccharides%2C%5C+fatty%5C+acids%5C+and%5C+alcohols%2C%5C+and%5C+stigmasterols.%5C+%5C%282%5C%29%5C+An%5C+unexpectedly%5C+high%5C+level%5C+of%5C+nDNA%5C+genetic%5C+diversity%5C+and%5C+low%5C+cpDNA%5C+diversity%5C+were%5C+detected%5C+in%5C+S.%5C+brunoniana.%5C+%5C%283%5C%29%5C+This%5C+study%5C+showed%5C+that%5C+the%5C+genetic%5C+differentiation%5C+among%5C+populations%5C+within%5C+regions%5C+was%5C+low%5C+and%5C+between%5C+regions%5C+was%5C+significant.%5C+%5C%284%5C%29%5C+There%5C+were%5C+several%5C+refugia%5C+of%5C+S.%5C+brunoniana%5C+in%5C+Yunnan%5C+during%5C+glacial%5C+periods.%5C+The%5C+Hainan%5C+populations%5C+were%5C+likely%5C+new%5C+colonizations%5C+and%5C+originated%5C+from%5C+Southeast%5C+Asia.%5C+%5C%285%5C%29%5C+To%5C+retain%5C+existing%5C+genetic%5C+diversity%2C%5C+whether%5C+in%5C+situ%5C+or%5C+ex%5C+situ%5C+conservation%5C+or%5C+collection%5C+of%5C+germplasm%5C+is%5C+used%2C%5C+the%5C+populations%5C+of%5C+the%5C+two%5C+regions%5C+should%5C+be%5C+considered%5C+equally.%5C+Furthermore%2C%5C+ex%5C+situ%5C+conservation%5C+of%5C+this%5C+species%5C+should%5C+be%5C+preferably%5C+conducted%5C+on%5C+large%5C+populations."},{"jsname":"ECOLPIN[AGL2011-24296]","jscount":"1","jsurl":"/simple-search?field1=all&rpp=10&accurate=false&advanced=false&sort_by=2&isNonaffiliated=false&search_type=-1&query1=Ferns&order=desc&&fq=dc.project.title_filter%3AECOLPIN%5C%5BAGL2011%5C-24296%5C%5D"},{"jsname":"lastIndexed","jscount":"2022-06-28"}],"Funding Project","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
Authors:
Jun Wen
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Submit date：2017/07/24
Aralia
Aralia Sect. Aralia
Aralia Sect. Dimorphanthus
Aralia Sect. Humiles
Aralia Sect. Nanae
Aralia Sect. pentapanax
Aralia Sect. Sciadodendron
Biogeography
Araliaceae
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Parasitism in Boschniakia glabra, E. Meyer
期刊论文
Proceedings of the Academy of Natural Sciences of Philadelphia, 3111, 卷号: 36, 页码: 31-32
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Mr. Meehan
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Submit date：2017/07/27
Selliguea wusugongii (Polypodiaceae), a new fern species from southeastern Xizang, China based on morphological and molecular evidence
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PHYTOTAXA, 2021, 卷号: 480, 期号: 1, 页码: 57-68
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Fan,Xue-Ping
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Zhang,Lin
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Zhang,Li-Bing
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Zhang,Liang
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Submit date：2022/04/02
homoplasy
lamina
Medog
selligueoids
GENUS
PHYLOGENY
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GRAMMITIDACEAE
INDIA
Patterns and drivers of phylogenetic structure of pteridophytes in China
期刊论文
GLOBAL ECOLOGY AND BIOGEOGRAPHY, 2021, 卷号: 30, 期号: 9, 页码: 1835-1846
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Qian,Hong
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Kessler,Michael
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Deng,Tao
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Jin,Yi
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ferns
lycopods
phylogenetic diversity
phylogenetic relatedness
tropical niche conservatism
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Simultaneous diversification of Polypodiales and angiosperms in the Mesozoic
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CLADISTICS, 2021, 卷号: 37, 期号: 5, 页码: 518-539
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Du,Xin-Yu
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Lu,Jin-Mei
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Zhang,Li-Bing
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Wen,Jun
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Kuo,Li-Yaung
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Mynssen,Claudine M.
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Schneider,Harald
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Li,De-Zhu
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CHLOROPLAST GENOME SEQUENCE
EARLY CRETACEOUS FERNS
EUPOLYPOD II FERNS
OLDEST MACROFOSSIL
RAPID RADIATION
1ST FOSSIL
SP-NOV.
EVOLUTION
PHYLOGENY
FAMILY
The patterns of vascular plant discoveries in China
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ECOLOGY AND EVOLUTION, 2021, 卷号: 11, 期号: 18, 页码: 12378-12388
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Lu,Muyang
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Gao,Lianming
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Li,Hongtao
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He,Fangliang
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biodiversity hot spots
botanical discovery
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Flora of China
species accumulation curve
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taxonomic efforts
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Adaptive innovation of green plants by horizontal gene transfer
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BIOTECHNOLOGY ADVANCES, 2021, 卷号: 46, 页码: 107671
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Chen,Rujia
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Huangfu,Liexiang
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Lu,Yue
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Fang,Huimin
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Xu,Yang
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Li,Pengcheng
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Zhou,Yong
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Xu,Chenwu
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Huang,Jinling
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Yang,Zefeng
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Plant evolution
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crop breeding and improvement
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Arachniodes libingii sp. nov. and A. vietnamensis sp. nov. (Dryopteridaceae), two new ferns from southern China and central Vietnam
期刊论文
PHYTOTAXA, 2021, 卷号: 522, 期号: 3, 页码: 256-262
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Lu,Ngan Thi
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Nguyen,Linh Phuong
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LE,Chi Toan
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Nguyen,Thanh Trung
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Zhang,Liang
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The Arachniodes Clade
the Simpliciorae Subclade
the Vietnamensis group
Spore characterisation and its taxonomic significance in ferns from Lagos State, Nigeria
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GRANA, 2021, 卷号: 60, 期号: 4, 页码: 271-286
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Adeonipekun,Peter Adegbenga
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Adebayo,Michael Babatunde
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Oyebanji,Oyetola Olusegun
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ferns
palynology
spore morphology
fern taxonomy
fern spore morphology
palaeopalynology
pteridophytes
pteridophyte systematics
P
E ratio
Pteridaceae
Evolutionary relationships of the ancient fern lineage the adder's tongues (Ophioglossaceae) with description of Sahashia gen. nov
期刊论文
CLADISTICS, 2020, 页码: 14
Authors:
Zhang, Liang
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Fan, Xue-Ping
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Petchsri, Sahanat
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Zhou, Lin
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Pollawatn, Rossarin
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Zhang, Xin
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Zhou, Xin-Mao
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Ngan Thi Lu
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Knapp, Ralf
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Chantanaorrapint, Sahut
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Limpanasittichai, Ponpipat
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Sun, Hang
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Gao, Xin-Fen
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Zhang, Li-Bing
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Submit date：2020/03/18
