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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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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. 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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
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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
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
作者:
Mr. Meehan
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提交时间：2017/07/27
Three out of one: revising the species delimitation of the tree fern Gymnosphaera salletii (Cyatheaceae), with particular reference to the foliar nectary
期刊论文
BOTANICAL JOURNAL OF THE LINNEAN SOCIETY, 2024, 卷号: 204, 期号: 1, 页码: 63-75
作者:
Li, Shu-Han
;
Zuo, Zheng-Yu
;
Chen, Cheng-Wei
;
Pham, Van The
;
Luu, Hong Truong
;
Dong, Shi-Yong
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提交时间：2024/05/09
Indochina
morphology
new species
phylogeny
taxonomy
CLASSIFICATION
Interand intraspecific adaptations of pteridophyte leaf traits in limestone and non-limestone forests of monsoon tropical regions of southwest China
期刊论文
JOURNAL OF PLANT ECOLOGY, 2023, 卷号: 16, 期号: 6, 页码: rtad026
作者:
Phoutthavong,Kittisack
;
Katabuchi,Masatoshi
;
Nakamura,Akihiro
;
Cheng,Xiao
;
Cao,Min
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浏览/下载：10/3
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提交时间：2024/05/09
drought
fern
limestone forest
pteridophytes
leaf functional traits
Xishuangbanna
TREE SPECIES-DIVERSITY
PHYLOGENETIC DIVERSITY
STOMATAL CONDUCTANCE
XISHUANGBANNA
FERNS
EVOLUTION
COMMUNITIES
VEGETATION
TEMPERATE
GRADIENTS
中国云南的微型真菌：蕨类植物上子囊菌的案例研究
学位论文
: 中国科学院大学, 2022
作者:
Rungtiwa Phookamsak
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提交时间：2024/05/14
子囊菌，中国真菌，内生菌，真菌多样性，形态-分子学方法，腐生真菌，分类学
Ascomycota, Chinese mycota, Endophytes, Fungal diversity, morpho-molecular approaches, Saprobic fungi, Taxonomy
松叶蕨和翠云草化学成分研究
学位论文
: 中国科学院大学, 2022
作者:
周志萍
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提交时间：2024/05/14
松叶蕨
Psilotum nudum (L.) Beauv
翠云草
Selaginella uncinata (Desv.) Spring
化学成分
Chemical compositions
细胞毒活性
Cytotoxic activity
NO生成抑制活性
NO inhibitory activity
中国-喜马拉雅地区鳞毛蕨属物种分化格局和成因的研究
学位论文
: 中国科学院大学, 2022
作者:
左政裕
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系统发育基因组学，无融合生殖，杂交，晚中新世，南亚季风
Phylogenomics, Apomixis, Hybridization, Late Miocene, South Asia monsoon
中国夏尔巴人传统利用植物的调查研究
学位论文
: 中国科学院大学, 2022
作者:
丁晓勇
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提交时间：2024/05/14
民族植物学，夏尔巴人，陈塘镇，珠峰保护区，传统利用植物
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
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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
Athyrium aberrans (Athyriaceae), a new species of the lady ferns from southeastern Xizang, China, based on morphological and molecular evidence
期刊论文
PHYTOTAXA, 2022, 卷号: 533, 期号: 3, 页码: 165-172
作者:
Qiu, Yong-Ling
;
Zhang, Lin
;
Zhang, Li-Bing
;
Zhou, Xin-Mao
;
Zhang, Liang
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提交时间：2024/03/11
