67 Works

Data from: Synchrotron X-ray tomographic microscopy of fossil embryos

Philip C. J. Donoghue, Stefan Bengtson, Xi-Ping Dong, Neil J. Gostling, Therese Huldtgren, John A. Cunningham, Chongyu Yin, Zhao Yue, Fan Peng & Marco Stampanoni
Fossilized embryos from the late Neoproterozoic and earliest Phanerozoic have caused much excitement because they preserve the earliest stages of embryology of animals that represent the initial diversification of metazoans. However, the potential of this material has not been fully realized because of reliance on traditional, non-destructive methods that allow analysis of exposed surfaces only, and destructive methods that preserve only a single two-dimensional view of the interior of the specimen. Here, we have applied...

Conservation status of a plant family with high endemism, the Primulaceae, in China

Yun-Hao Bai, Si-Yi Zhang, Yanpei Guo & Zhiyao Tang
Primroses, ca 1000 species from the family Primulaceae, are mostly distributed in high mountains and attract people's attention with their high ornamental value. However, they are increasingly threatened by human activities and climate change in recent decades. China harbors more than half of global primrose species, most of which are endemic. To strengthen studies on their conservation, we established a distribution database for primroses in China, including 12 genera and 535 speceies. Based on this...

Detritus decorations as the extended phenotype deflect avian predator attack increasing fitness in an orb‐web spider

Nina Ma, Long Yu, Deyong Gong, Zeyuan Hua, Hua Zeng, Luyao Chen, Aijia Mao, Zhizhao Chen, Ruxing Cai, Yubing Ma, Zengtao Zhang, DQ Li, Jing Luo & Shichang Zhang
A number of strategies that divert attacks of visually guided predators, such as birds, have evolved multiple times in animals. Detritus web decorations built by certain orb-web spider species are thought to deflect avian predator attacks away from spiders and towards their web decorations. Still, empirical evidence for this function and its adaptive significance is lacking. The orb-web spider, Cyclosa monticola, adorns its web using a linear detritus decoration consisting of moults, egg sacs, prey...

Data from: Unraveling independent origins of two tetraploid Achillea species by amplicon sequencing

Jun-Nan Wan, Yan-Ping Guo & Guang-Yuan Rao
Allopolyploidy is a significant mechanism of plant speciation, and many allopolyploid species have arisen recurrently. However, the probability that allopolyploidization between the same two parental species may lead to the origin of different taxa has received little attention. Here we used a new progenitor-specific amplicon sequencing method to demonstrate the independent origins of two yarrow species, Achillea alpina and A. wilsoniana, via allotetraploidy from the same diploid progenitor species pair, A. acuminata and A. asiatica....

When there is No ZOPA: Mental Fatigue, Integrative Complexity, and Creative Agreement in Negotiations

Jingjing Yao, Zhi-Xue Zhang & Leigh Anne Liu

Data from: Range-wide snow leopard phylogeography supports three subspecies

Jan E. Janecka, Yu-Quang Zhang, Di-Qiang Li, Munkhtsog Bariushaa, Bayaraa Munkhtsog, Galsandorj Naranbaatar, Wangchuk R. Tshewang, Karmacharya Dibesh, McCarthy Thomas, Li Juan, Zhi Lu, Zhumabai Uulu Kubanychbek, Gaur Ajay, Kumar Satish, B. Kumar Kesav, Hussain Shafqat, Muhammad Ghulam, Jevit Matthew, Hacker Charlotte, Burger Pamela, Wultsch Claudia, Janecka J. Mary, Helgen Kristofer, Murphy J. William & Jackson Rodney
The snow leopard, Panthera uncia, is an elusive high-altitude specialist that inhabits vast, inaccessible habitat across Asia. We conducted the first range-wide genetic assessment of snow leopards based on noninvasive scat surveys. Thirty-three microsatellites were genotyped and a total of 683-bp of mitochondrial DNA sequenced in 70 individuals. Snow leopards exhibited low genetic diversity at microsatellites (AN = 5.8, HO = 0.433, HE = 0.568), virtually no mtDNA variation, and underwent a bottleneck in the...

Data from: Halloysite nanotube-based electrospun ceramic nanofibre mat: a novel support for zeolite membranes

Zhuwen Chen, Jiaying Zeng, Dong Lv, Jinqiang Gao, Jian Zhang, Shan Bai, Ruili Li, Mei Hong & Jingshen Wu
Some key parameters of supports such as porosity, pore shape and size are of great importance for fabrication and performance of zeolite membranes. In this study, we fabricated millimetre-thick, self-standing electrospun ceramic nanofibre mats and employed them as a novel support for zeolite membranes. The nanofibre mats were prepared by electrospinning a halloysite nanotubes/polyvinyl pyrrolidone composite followed by a programmed sintering process. The interwoven nanofibre mats possess up to 80% porosity, narrow pore size distribution,...

Data from: A new moth-preying alpine pitviper species from Qinghai-Tibetan plateau (Viperidae, Crotalinae)

Jingsong Shi, Gang Wang, Xi'er Chen, Li Ding, Song Huang, Mian Hou, Jun Liu, Pipeng Li, Xi’er Chen & Yihao Fang
The Sanjiangyuan region of Qinghai-Tibetan Plateau is recognized as a biodiversity hotspot of alpine mammals but a barren area in terms of amphibians and reptiles. Here, we describe a new pit viper species, Gloydius rubromaculatus sp. n. Shi, Li and Liu, 2017 that was discovered in this region, with a brief taxonomic revision of the genus Gloydius. The new species can be distinguished from the other congeneric species by the following characteristics: cardinal crossbands on...

Modeling results of seismoelectric signals excited by a weight-drop source

Shichuan Yuan, Hengxin Ren, Qinghua Huang, Xu-Zhen Zheng, Zhentao Yang, Zhanxiang He, Wei Zhang & Xiaofei Chen
This dataset contains data of all figures in a submitted manuscript titled "Refining higher modes of Rayleigh waves using seismoelectric signals excited by a weight-drop source: study from numerical simulation aspect " to Journal of Geophysical Research: Solid Earth. Effective extraction of higher mode dispersion information has been a research hotspot in the study of surface waves. In this study, we introduce a novel approach of refining Rayleigh wave higher modes by using seismoelectric signals,...

Data from: Baculovirus infection triggers a positive phototactic response in caterpillars (a response to Dobson et al. Biol Letters 2015).

Stineke Van Houte, Monique M. Van Oers, Yue Han, Just M. Vlak & Vera I. D. Ros
We recently reported that baculovirus Spodoptera exigua multiple nucleopolyhedrovirus (SeMNPV) triggers positive phototaxis in Spodoptera exigua larvae, leading to death at elevated positions. Dobson et al. [1] (University of Stirling, Scotland) question our interpretation of the data. Unfortunately, Dobson et al. rely on unwarranted assumptions possibly reflecting a poor understanding of baculovirus–insect pathobiology, make invalid comparisons and fail to take relevant literature into account. Here, we recapitulate the context and interpretation of our experiments and...

Data from: The plumage and colouration of an enantiornithine bird from the Early Cretaceous of China

Jennifer A. Peteya, Julia A. Clarke, Quanguo Li, Ke-Qin Gao & Matthew D. Shawkey
Brilliant colour displays and diverse feather morphologies that are often sexual ornaments are common throughout much of extant Avialae. Here we describe a new basal enantiornithine bird specimen recovered from the Early Cretaceous Jiufotang Formation of Liaoning Province in northeastern China. We present new information on the plumage of Bohaiornithidae as well as the first detailed colour reconstruction of an enantiornithine bird. The new specimen retains subadult skeletal characteristics, including periosteal pitting of the long...

Data from: Anterior insular cortex plays a critical role in interoceptive attention

Xingchao Wang, Qiong Wu, Laura Egan, Xiaosi Gu, Pinan Liu, Hong Gu, Yihong Yang, Jing Luo, Yanhong Wu, Zhixian Gao & Jin Fan
Accumulating evidence indicates that the anterior insular cortex (AIC) mediates interoceptive attention, which refers to attention towards physiological signals arising from the body. However, the necessity of the AIC in this process has not been demonstrated. Using a novel task that directs attention toward breathing rhythm, we assessed the involvement of the AIC in interoceptive attention in healthy participants using functional magnetic resonance imaging and examined the necessity of the AIC in interoceptive attention in...

Data from: Increased nitrogen input enhances Kandelia obovata seedling growth in the presence of invasive Spartina alterniflora in subtropical regions of China

Xiaowei Cui, Weimin Song, Jianxiang Feng, Dai Jia, Jiemin Guo, Zhonglei Wang, Hao Wu, Fei Qi, Jie Liang & Guanghui Lin
Mangroves in China are severely affected by the rapid invasion of the non-native species Spartina alterniflora. Although many studies have addressed the possible impacts of S. alterniflora on the performance of mangrove seedlings, how excessive nitrogen (N) input due to eutrophication affects the interactions between mangrove species and S. alterniflora remains unknown. Here, we report the results from a mesocosm experiment using seedlings of the native mangrove species Kandelia obovata and the exotic S. alterniflora...

Data from: Experimentally simulating warmer and wetter climate additively improves rangeland quality on the Tibetan Plateau

Wei Xu, Mengyao Zhu, Zhenhua Zhang, Zhiyuan Ma, Huiying Liu, Litong Chen, Guangming Cao, Xinquan Zhao, Bernhard Schmid & Jin-Sheng He
1. The vast expanses of rangeland on the Tibetan Plateau, which support the livelihood of ~9.8 million local inhabitants, have experienced rapid climate warming over the past 50 years. At the same time, precipitation has increased in large parts of the Plateau but decreased in other parts, particularly in the northwest. These trends are predicted to continue into the future. However, their potential effects on rangeland quality remain unclear. 2. We conducted a two-factor field...

Data from: Fossil embryos from the Middle and Late Cambrian period of Hunan, south China

Xi-Ping Dong, Philip C. J. Donoghue, Hong Cheng & Jian-Bo Liu
Comparative embryology is integral to uncovering the pattern and process of metazoan phylogeny, but it relies on the assumption that life histories of living taxa are representative of their antecedents. Fossil embryos provide a crucial test of this assumption and, potentially, insight into the evolution of development, but because discoveries so far lack phylogenetic constraint, their significance is moot. Here we describe a collection of embryos from the Middle and Late Cambrian period (500 million...

Data from: Phylogenetic conservatism and biogeographic affinity influence woody plant species richness-climate relationships in eastern Eurasia

Xiangyan Su, Nawal Shrestha, Xiaoting Xu, Denis Sandanov, Qinggang Wang, Siyang Wang, Dimitar Dimitrov & Zhiheng Wang
Mechanisms underlying species richness patterns remain a central yet controversial issue in biology. Climate has been regarded as a major determinant of species richness. However, the relative influences of different evolutionary processes, (i.e. niche conservatism, diversification rate, and time for speciation) on species richness-climate relationships remain to be tested. Here, using newly compiled distribution maps for 11,422 woody plant species in eastern Eurasia, we estimated species richness patterns for all species and for families with...

Data from: Grazing-induced shifts in community functional composition and soil nutrient availability in Tibetan alpine meadows

Kechang Niu, Jin-Sheng He & Martin J. Lechowicz
The functional structure of plant communities can be altered by grazing through two main mechanisms: species turnover (i.e. changes in species occurrence and relative abundance) and intraspecific trait variability (ITV), which is driven by phenotypic responses of individual plants and shifts in the relative abundance of genotypic variants within species. Studies of grassland ecosystem function under grazing often focus on community changes induced by species turnover, which ignores the effects of ITV on biomass productivity,...

Sexual selection on jumping spider colour pattern: investigation with a new quantitative approach

Wei Zhou, Long Yu, Bernetta Z.W. Kwek, Jin Ge, Hua Zeng & Daiqin Li
How animals assess information encoded in individual colour patches have been extensively studied, yet the role of both individual colour patches and gross colour pattern (i.e. the combination of colour patches) remains understudied. We tested the functioning of both individual colour patches and gross colour pattern in sexual selection using the jumping spider Siler semiglaucus as a study system. We first quantified sexual dimorphism in S. semiglaucus in both individual patches and gross colour pattern...

Leaf size of woody dicots predicts ecosystem primary productivity

Yaoqi Li, Yaoqi Li, Peter Reich, Bernhard Schmid, Nawal Shrestha, Xiao Feng, Tong Lyv, Brian Maitner, Xiaoting Xu, Yichao Li, Dongting Zou, Zheng-Hong Tan, Xiangyan Su, Zhiyao Tang, Qinghua Guo, Xiaojuan Feng, Brian Enquist & Zhiheng Wang
A key challenge in ecology is to understand the relationships between organismal traits and ecosystem processes. Here, with a novel dataset of leaf length and width for 10,480 woody dicots in China and 2,374 in North America, we show that the variation in community mean leaf size is highly correlated with the variation in climate and ecosystem primary productivity, independent of plant life form. These relationships likely reflect how natural selection modifies leaf size across...

Assessment of fish communities using eDNA: effect of spatial sampling design in lentic systems of different sizes

Shan Zhang, Qi Lu, Yiyan Wang, Xiaomei Wang, Jindong Zhao & Meng Yao
Freshwater fish biodiversity is quickly decreasing and requires effective monitoring and conservation. Environmental DNA (eDNA)-based methods have been shown to be highly sensitive and cost-efficient for aquatic biodiversity surveys, but few studies have systematically investigated how spatial sampling design affects eDNA-detected fish communities across lentic systems of different sizes. We compared the spatial patterns of fish diversity determined using eDNA in three lakes of small (SL; 3 ha), medium (ML; 122 ha) and large (LL;...

Data from: Superposed epoch analysis of the energetic electron flux variations during CIRs measured by BD-IES

Zefan Yin, Hong Zou, Yu Guang Ye, Qiu-Gang Zong & Yongfu Wang
The flux variations of energetic electrons is one of the most important topics to understand dynamic processes in the space environment and the forecast for high-energy electron burst. BD-IES, an imaging energetic electron spectrometer onboard a Chinese navigation satellite at an inclined geosynchronous orbit (IGSO), can provide 50-600keV electron flux data, which is used to investigate electron flux variations at GEO orbit during Co-rotating Interactive Region events (CIRs). The superposed epoch analysis is applied to...

Data from: Impacts of species richness on productivity in a large-scale subtropical forest experiment

Yuanyuan Huang, Yuxin Chen, Nadia Castro-Izaguirre, Martin Baruffol, Matteo Brezzi, Anne Lang, Ying Li, Werner Härdtle, Werner Von Oheimb, Xuefeu Yang, Xiaojuan Liu, Kequan Pei, Sabine Both, Bo Yang, David Eichenberg, Thorsten Assmann, Jürgen Bauhus, Thorsten Behrens, François Buscot, Xiao-Yong Chen, Douglas Chester, Bing-Yang Ding, Walter Durka, Alexandra Erfmeier, Jingyun Fang … & Bernhard Schmid
Biodiversity experiments have shown that species loss reduces ecosystem functioning in grassland. To test whether this result can be extrapolated to forests, the main contributors to terrestrial primary productivity, requires large-scale experiments. We manipulated tree species richness by planting more than 150,000 trees in plots with 1 to 16 species. Simulating multiple extinction scenarios, we found that richness strongly increased stand-level productivity. After 8 years, 16-species mixtures had accumulated over twice the amount of carbon...

Data from: Nonlinearity of root trait relationships and the root economics spectrum

Deliang Kong, Junjian Wang, Huifang Wu, Oscar J. Valverde-Barrantes, Ruili Wang, Hui Zeng, Paul Kardol, Haiyan Zhang & Yulong Feng
The root economics spectrum (RES), a common hypothesis postulating a tradeoff between resource acquisition and conservation traits, is being challenged by conflicting relationships between root diameter, tissue density (RTD) and root nitrogen concentration (RN). Here, we analyze a global trait dataset of absorptive roots for over 800 plant species. For woody species (but not for non-woody species), we find nonlinear relationships between root diameter and RTD and RN, which stem from the allometric relationship between...

Data from: Progression of cognitive decline before and after incident stroke

Fanfan Zheng, Li Yan, Baoliang Zhong, Zhenchun Yang & Wuxiang Xie
Objective: To determine the trajectory of cognitive decline before and after incident stroke. Methods: By using data from the English Longitudinal Study of Ageing, we studied 9278 nondemented participants with no history of stroke who underwent cognitive assessment at baseline (wave 1), and at least one other timepoint (waves 2 to 7). We used linear mixed models to analyze repeated measures and longitudinal data. Results: Among the 9278 participants (56.8% women, mean age 63.1±10.3 years),...

Long-term empirical evidence, early warning signals, and multiple drivers of regime shifts in a lake ecosystem

Haojie Su, Rong Wang, Yuhao Feng, Yanling Li, Yun Li, Jun Chen, Chi Xu, Shaopeng Wang, Jingyun Fang & Ping Xie
1. Catastrophic regime shifts in various ecosystems are increasing with the intensification of anthropogenic pressures. Understanding and predicting critical transitions are thus a key challenge in ecology. Previous studies have mainly focused on single environmental drivers (e.g., eutrophication) and early warning signals (EWSs) prior to population collapse. However, how multiple environmental stressors interact to shape ecological behaviour and whether EWSs were detectable prior to the recovery process in lake ecosystems are largely unknown. 2. We...

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