84 Works

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: 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,...

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: 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...

Dispersal increases spatial synchrony of populations but has weak effects on population variability: a meta-analysis

Qi Yang, Pubin Hong, Mingyu Luo, Lin Jiang & Shaopeng Wang
The effects of dispersal on spatial synchrony and population variability have been well documented in theoretical research, and a growing number of empirical tests have been performed. Yet a synthesis is still lacking. Here, we conducted a meta-analysis of relevant experiments and examined how dispersal affected spatial synchrony and temporal population variability across scales. Our analyses showed that dispersal generally promoted spatial synchrony, and such effects increased with dispersal rate and decreased with environmental correlation...

A novel and accurate full-length HTT mouse model for Huntington’s disease

Chenjian Li
Here we report the generation and characterization of a novel Huntington’s disease (HD) mouse model BAC226Q by using a bacterial artificial chromosome (BAC) system, expressing full-length human HTT with ~226 CAG-CAA repeats and containing endogenous human HTT promoter and regulatory elements. BAC226Q recapitulated a full-spectrum of age-dependent and progressive HD-like phenotypes without unwanted and erroneous phenotypes. BAC226Q mice developed normally, and gradually exhibited HD-like mood and cognitive phenotypes at 2 months. From 3-4 months, BAC226Q...

Intra- and interspecific variability of specific leaf area mitigate the reduction of community stability in response to warming and nitrogen addition

Mengjiao Huang, Shaopeng Wang, Xiang Liu, Ming Nie, Shurong Zhou & Yann Hautier
Global environmental changes are reducing the diversity and affecting the functioning of natural ecosystems as well as their ability to reliably provide ecosystem functions and services to mankind. Many studies have shown that a greater plant diversity can stabilize community productivity against environmental fluctuations. However, most of these studies focused on plant species richness, thus overlooking the potential role of functional traits in stabilizing community productivity against environmental fluctuations. Whether and how functional trait mean...

A new Late Devonian flora from Sonid Zuoqi, Inner Mongolia, northeastern China

Lingqi Bai, Pu Huang, Ning Yang, Wenxin Ju, Jianbo Liu, James Basinger, Honghe Xu & Jinzhuang Xue
The Silurian and Devonian plant fossil record is the basis for our understanding of the early evolution of land plants, yet our appreciation of early global phytogeographic evolution has been constrained by the focus of most studies on deposits from Europe, North America, and more recently South China. Devonian plants have been rarely recorded from northeastern China, and among previous records, few plants have been illustrated and formally described. In this article, megafossil plants representing...

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, 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...

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: 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...

Trends in Social Mobility in Post-Revolution China (LIEPP Working Paper, n°126)

Yu Xie, Dong HAO, Zhou Xiang & Xi Song
In this paper, we study long-term trends in social mobility in the People's Republic of China since its inception in 1949, with 2 operationalizations: (1) intergenerational occupational mobility, and (2) intergenerational educational mobility. We draw on an accumulation of administrative and survey data and provide comparable estimates of these measures for birth cohorts born after 1945. To help interpret the results, we compare trends in China to those in the US for the same birth...

Data from: Low genetic diversity and strong population structure shaped by anthropogenic habitat fragmentation in a critically endangered primate, Trachypithecus leucocephalus

Weiran Wang, Yu Qiao, Sheng Li, Wenshi Pan & Meng Yao
Habitat fragmentation may strongly impact population genetic structure and reduce the genetic diversity and viability of small and isolated populations. The white-headed langur (Trachypithecus leucocephalus) is a critically endangered primate species living in a highly fragmented and human-modified habitat in southern China. We examined the population genetic structure and genetic diversity of the species and investigated the environmental and anthropogenic factors that may have shaped its population structure. We used 214 unique multi-locus genotypes from...

Data from: Asymmetric winter warming advanced plant phenology to a greater extent than symmetric warming in an alpine meadow

Ji Suonan, Aimée T. Classen, Zhenhua Zhang & Jin-Sheng He
The warming of terrestrial high-latitude ecosystems, while increasing, will likely be asymmetric across seasons – where winter non-growing seasons will warm more than summer growing seasons. Asymmetric winter warming in temperature-sensitive ecosystems may delay spring phenological events by reducing the opportunity that a plants’ chilling requirement is met. Similarly, symmetric warming can advance spring phenology. To explore the impact of asymmetric warming on plant phenology, we applied a year-round warming and a winter warming treatment...

A new Changhsingian (Lopingian) brachiopod fauna of the shallow-water clastic-shelf facies from Fujian Province, southeastern China

Huiting Wu, Yang Zhang, Thomas Stubbs, Jingqi Liu & Yuanlin Sun
Although much attention has been paid to Changhsingian brachiopods in South China, there are only two Chinese studies, published in 1979 and 1990, on Changhsingian brachiopods from the southeastern part of South China. Based on systematically collected fossil material, this paper describes and quantitatively analyses a Changhsingian brachiopod fauna from the Luokeng Formation at the Hongtian section, Fujian Province, southeastern China, for the first time. Among the brachiopods (30 species in 18 genera) described and...

The community-level scaling relationship between leaf nitrogen and phosphorus changes with plant growth, climate and nutrient limitation

Yanpei Guo, Zhengbing Yan, Gheyur Gheyret, Guoyi Zhou, Zongqiang Xie & Zhiyao Tang
This dataset contains community-level leaf nitrogen (N) and phosphorus (P) concentration data from an intensive field investigation across China, including 1080 shrub-community sites from shrublands and 2087 tree-community sites from forests. Mean annual temperature and Thornthwaite moisture index, net primary productivity, and soil total N and P concentrations of each site are also included in this dataset.

Responses of four dominant dryland plant species to climate change in the Junggar Basin, north-west China

Jian Xiao, Anwar Eziz, Heng Zhang, Zhiheng Wang, Zhiyao Tang & Jinyun Fang
Aim Dryland ecosystems are exceedingly sensitive to climate change. Desertification induced by both climate changes and human activities seriously threatens the dryland vegetation. However, the impact of climate change on distributions of dryland plant species has not been well documented. Here, we studied the potential distributions of four representative dryland plant species (Haloxylon ammodendron, Anabasis aphylla, Calligonum mongolicum, and Populus euphratica) under current and future climate scenarios in a temperate desert region, aiming to improve...

Data from: Chromosome-level reference genome assembly and gene editing of the dead-leaf butterfly Kallima inachus

Jie Yang, Wenting Wan, Meng Xie, Junlai Mao, Zhiwei Dong, Sihan Lu, Jinwu He, Feiang Xie, Guihun Liu, Xuelei Dai, Zhou Chang, Ruoping Zhao, Ru Zhang, Shuting Wang, Yiming Zhang, Wei Zhang, Wen Wang & Xueyan Li
The leaf resemblance of Kallima (Nymphalidae) butterflies is an important ecological adaptive mechanism that increases survival. However, the genetic mechanism underlying ecological adaptation remains unclear owing to a dearth of genomic information. Herein, we revealed the karyotype (n = 31) of the dead-leaf butterfly Kallima inachus, assembled its high-quality chromosome-level reference genome (568.92 Mb; contig N50: 19.20 Mb), and identified its Z and candidate W chromosomes. To our knowledge, this is the first study to...

Retention fraction of 15N-labelled deposited ammonium and nitrate in forests

Geshere Abdisa Gurmesa, Ang Wang, Shanlong Li, Shushi Peng, Wim De Vries, Per Gundersen, Philippe Ciais, Oliver L Phillips, Erik Hobbie, Weixing Zhu, Knute Nadelhoffer, Yi Xi, Edith Bai, Tao Sun, Dexiang Chen, Wenjun Zhou, Yiping Zhang, Yingrong Guo, Jiaojun Zhu, Lei Duan, Dejun Li, Keisuke Koba, Enzai Du, Guoyi Zhou, Xingguo Han … & Yunting Fang
The impacts of enhanced nitrogen (N) deposition on global forest carbon (C) sink and other ecosystem services may depend on whether N is deposited in reduced (mainly as ammonium) or oxidized forms (mainly as nitrate) and the subsequent fate of each. However, the fates of the two key reactive N forms and its contribution to forest C sink is unclear. We conducted ecosystem-scale paired 15N-labelling experiments in nine forests across China to quantify N retention...

Phytogeographic history of the Tea family inferred through high-resolution phylogeny and fossils

Yujing Yan, Charles Davis, Dimitar Dimitrov, Zhiheng Wang, Carsten Rahbek & Michael Borregaard
The tea family (Theaceae) has a highly unusual amphi-Pacific disjunct distribution: most extant species in the family are restricted to subtropical evergreen broadleaf forests in East Asia, while a handful of species occur exclusively in the subtropical and tropical Americas. Here we used an approach that integrates the rich fossil evidence of this group with phylogenies in biogeographic analysis to study the processes behind this distribution pattern. We first combined genome-skimming sequencing with existing molecular...

Rainfall pulses mediate long-term plant community compositional dynamics in a semi-arid rangeland

Maowei Liang, Xiao Feng & Elise Gornish
1. Semi-arid rangelands, comprising more than 40% of the Earth’s land surface, provide critical ecosystem services. Worldwide, these ecosystems are experiencing rapid degradation due to overgrazing and precipitation changes. However, how plants respond to these interacting factors remains relatively unexplored, and precisely which and how rainfall factors determine plant community dynamics in rangelands has not been well developed. 2. We used a long-term (1953‒2018) dataset from semi-arid rangeland to investigate coupled effects of grazing intensity...

Specimen list and landmark coordinates for the palate of early salamanders

Jia Jia, Guangzhao Li & Ke-Qin Gao
Ecological preferences and life history strategies have enormous impacts on the evolution and phenotypic diversity of salamanders, but the yet established reliable ecological indicators hinder investigations on the paleobiology of early salamanders. Here we statistically demonstrate using geometric morphometric analysis that both the shape of the palate and many non-shape variables particularly associated with vomerine teeth are ecologically informative in early stem- and basal crown-group salamanders. The morphology of the palate is heavily impacted by...

Data from: Tree species richness increases ecosystem carbon storage in subtropical forests

Xiaojuan Liu, Stefan Trogisch, Jin-Sheng He, Pascal A. Niklaus, Helge Bruelheide, Zhiyao Tang, Alexandra Erfmeier, Michael Scherer-Lorenzen, Katherina A. Pietsch, Bo Yang, Peter Kühn, Thomas Scholten, Yuanyuan Huang, Chao Wang, Michael Staab, Katrin N. Leppert, Christian Wirth, Bernhard Schmid & Keping Ma
Forest ecosystems are an integral component of the global carbon cycle as they take up and release large amounts of C in short time (C flux) or accumulate it over longer time (C stock). However, there remains uncertainty about whether and in which direction C fluxes and in particular C stocks may differ between forests of high vs. low species richness. Based on a comprehensive dataset derived from field-based measurements, we tested the effect of...

Data from: One-shot dilation versus serial dilation technique for access in percutaneous nephrolithotomy: a systematic review and meta-analysis

Panxin Peng, Shicong Lai, Zhenshan Ding, Yuhui He, Lihua Zhou, Xuming Wang & Guan Zhang
Objective: The purpose of this study was to systematically review the outcomes of the use of one-shot dilation (OSD) and serial tract dilation for percutaneous nephrolithotomy (PCNL). Methods: A systematic review and meta-analysis was conducted. The randomized controlled trials (RCTs) included in the study were identified from EMBASE, MEDLINE, and the Cochrane Central Register of Controlled Trials. The last search was performed on April 30, 2018. Summary effects were calculated as risk ratios (RRs) with...

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