12 Works

Species packing and the latitudinal gradient in local beta-diversity

Ke Cao, Richard Condit, Xiangcheng Mi, Lei Chen, Wubing Xu, David F. R. P. Burslem, Chunrong Cai, Min Cao, Li-Wan Chang, Chengjin Chu, Hu Du, Sisira Ediriweera, C. S. V. Gunatilleke, I. U. A. N. Gunatilleke, Zhanqing Hao, Jinbo Li, Guangze Jin, Buhang Li, Yankun Liu, Yide Li, Michael J. O'Brien, Xiujuan Qiao, Hongwei Ni, Guochun Shen, Xihua Wang … & Jens-Christian Svenning
The decline in species richness at higher latitudes is among the most fundamental patterns in ecology. Whether changes in species composition across space (beta-diversity) contribute to this gradient of overall local species richness (gamma diversity) remains hotly debated. Previous studies that failed to resolve the issue suffered from a well-known tendency for small samples in areas with high gamma-diversity to have inflated measures of beta-diversity. We provide here a novel analytical test, using beta-diversity metrics...

Data from: Both temperature fluctuations and East Asian monsoons have driven plant diversification in the karst ecosystems from southern China

Fabien L. Condamine, A.J. Harris, Junlin Chen, Bo Pan, Michael Moeller, Van Sam Hoang, Ming Kang, Hanghui Kong & AJ Harris
Karst ecosystems in southern China are species-rich and have high levels of endemism, yet little is known regarding the evolutionary processes responsible for the origin and diversification of karst biodiversity. The genus Primulina (Gesneriaceae) comprises ca. 170 species endemic to southern China with high levels of ecological (edaphic) specialization, providing an exceptional model to study the plant diversification in karsts. We used molecular data from nine chloroplast and 11 nuclear regions and macroevolutionary analyses to...

Moths as pollinators of four Cucurbitaceae crops in Asia

Chang-Qiu Liu
Each sample of hypanthium length (mm) comes from one plant individual. Nectar measurement includes two aspects, i.e. nectar volume (μL) and nectar concentration (%). The pollination experiment includes two treatments, i.e. diurnal insect exclusion vs nocturnal insect exclusion. The number of bagged female flowers per individual means how many female flowers per individual plant were treated. The fruit number means how many fruits successfully developed from the treated female flowers.

Supplemental materials of: Ignored biodiversity in acid soil islands in karst areas, South China: Impatiens longlinensis (Balsaminaceae), a new critically endangered species

Tian-Tian Xue, Chang-Ying Xia, Magnus Lidén, Wei-Bin Xu, Zhao-Cen Lu, Hai-Ling Chen, Shu-Wan Li & Sheng-Xiang Yu
The karst area in South China is notable for its fragile vegetation and unique flora with many narrow endemics, and is one of the most threatened biodiversity hotspots in the world. However, the biodiversity of acid soil areas scattered in the karst area have previously been underestimated. With a recent increase of new discoveries of plants and animals, the conservation of biodiversity in these acid soil areas has become urgent. This study deals with a...

Data from: Papilio butterfly vs. hawkmoth pollination explains floral syndrome dichotomy in a clade of Lilium

Chang-Qiu Liu
This dataset contains data described in the paper recently accepted by Botanical Journal of the Linnean Society:“ Liu C-Q, Niu Y, Lu Q-B, Chen Z, Cai B, Fang Y, Gao Y-D. (2021) Papilio butterfly vs. hawkmoth pollination explains floral syndrome dichotomy in a clade of Lilium". The Leucolirion clade of Lilium contains species with either tepal-recurved or trumpet-shaped flowers. We hypothesized that the tepal-recurved flowers might be pollinated by butterflies and/or birds while the trumpet-shaped...

Phylogenomic and macroevolutionary evidence for an explosive radiation of a plant genus in the Miocene

Hanghui Kong, Fabien L. Condamine, Lihua Yang, AJ Harris, Chao Feng, Fang Wen & Ming Kang
Mountain systems harbor a substantial fraction of global biodiversity and, thus, provide excellent opportunities to study rapid diversification and to understand the historical processes underlying the assembly of biodiversity hotspots. The rich biodiversity in mountains is widely regarded as having arisen under the influence of geological and climatic processes as well as the complex interactions among them. However, the relative contribution of geology and climate in driving species radiation is seldom explored. Here, we studied...

Data from: Petrocodon retroflexus sp. nov. (Gesneriaceae) from a karst cave in Guizhou, China

Jing Guo, Tao Meng, Hongbo Pang & Qiang Zhang
Petrocodon retroflexus Q. Zhang & J. Guo, a new species of Gesneriaceae from Guizhou, China, is described and illustrated. The new species is morphologically similar to Petrocodon viridescens W. H. Chen, Mich. Möller & Y. M. Shui, but differs by its leaf blade being ovate, broadly ovate to elliptic, 8–20 × 5–15 cm and densely pilose on both surfaces, narrowly triangular, 9 mm long, densely pilose bracts, white corolla that is decurved near the middle,...

Environment filtering and dispersal limitation jointly shaped the taxonomic and phylogenetic beta diversity of natural forests in southern China

Wei Shi, Yong-Qiang Wang, Wu-Sheng Xiang, Xian-Kun Li & Kun-Fang Cao
Aim The mechanisms underlying the maintenance of biodiversity remain to be elucidated. Taxonomic diversity alone remains an unresolved issue, especially in terms of the mechanisms of species co-existence. We hypothesized that phylogenetic information could help to elucidate the mechanism of community assembly and the services and functions of ecosystems. The aim of this study was to explore the mechanisms driving floral diversity in subtropical forests and evaluate the relative effects of these mechanisms on diversity...

Data from: Cytology and sexuality of 11 species of Elatostema (Urticaceae) in limestone karsts suggests that apomixis is a recurring phenomenon

Long-Fei Fu, Lan-Ying Su, Azim Mallik, Fang Wen & Yi-Gang Wei
Limestone karsts across southern China to southeastern Asia are renowned biodiversity hotspots. The karst are characterized by exposed calcareous rocks, seasonal droughts and thin soils that are deficient in N and P but with high Ca and Mg content. The stressful habitat may result in high biodiversity through mechanisms such as niche differentiation, hybridization, polyploidy and apomixis. The genus Elatostema (Urticaceae) has particularily high species diversity in this area and can be used a model...

Data from: Patterns of nitrogen-fixing tree abundance in forests across Asia and America

Duncan N. L. Menge, Ryan A. Chisholm, Stuart J. Davies, Kamariah Abu Salim, David Allen, Mauricio Alvarez, Norm Bourg, Warren Y. Brockelman, Sarayudh Bunyavejchewin, Nathalie Butt, Min Cao, Wirong Chanthorn, Wei-Chun Chao, Keith Clay, Richard Condit, Susan Cordell, João Batista Da Silva, H. S. Dattaraja, Ana Cristina Segalin De Andrade, Alexandre A. Oliveira, Jan Den Ouden, Michael Drescher, Christine Fletcher, Christian P. Giardina, C. V. Savitri Gunatilleke … & Tak Fung
Symbiotic nitrogen (N)‐fixing trees can provide large quantities of new N to ecosystems, but only if they are sufficiently abundant. The overall abundance and latitudinal abundance distributions of N‐fixing trees are well characterised in the Americas, but less well outside the Americas. Here, we characterised the abundance of N‐fixing trees in a network of forest plots spanning five continents, ~5,000 tree species and ~4 million trees. The majority of the plots (86%) were in America...

Population genetic assessment of newly discovered, extremely small populations of Xanthocyparis Vietnamensis from southwestern China

Yu-Liang Jiang, Tsam Ju, Linda Neaves, Jia-Liang Li, Wei-Ning Tan, Yu-Song Huang, Yan Liu & Kang-Shan Mao
Xanthocyparis vietnamensis is an endangered species that is currently restricted to karst montane areas in southwestern China and Vietnam. This rare conifer was first recorded in 2002 from northern Vietnam and then in 2013 from Guangxi, China, yet little is known about its genetic diversity and population structure. We developed expressed sequence tag microsatellite markers (EST-SSR) for X. vietnamensis. Illumina HiSeq data were used to reconstruct the transcriptome of this species by de novo assembly....

Immigration dynamics of tropical and subtropical Southeast Asian limestone karst floras

Xiao-Qian Li, Xiao-Guo Xiang, Qiang Zhang, Florian Jabbour, Rosa Del C. Ortiz, Andrey S. Erst, Zhen-Yu Li & Wei Wang
Ex situ origins and dispersal of taxa have played important roles in the assembly of island-like biodiversity hotspots. Insular limestone karsts in Southeast Asia are hotspots of biodiversity and endemism, but the immigration processes of their unique floras are still poorly known. Here, we used Gesneriaceae as a proxy to investigate immigration dynamics of tropical and subtropical Southeast Asian karst floras. We show that immigration into subtropical Southeast Asian karst floras first occurred in the...

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