74 Works

Data from: Demographic expansion and genetic load of the halophyte model plant Eutrema salsugineum

Xiao-Juan Wang, Quan-Jun Hu, Xin-Yi Guo, Kun Wang, Da-Fu Ru, Dmitry A. German, Elizabeth A. Weretilnyk, Richard J. Abbott, Martin Lascoux & Jian-Quan Liu
Eutrema salsugineum is a widely distributed species, which provide a good model to study long-distance dispersal and accumulation of deleterious mutations. Based on population genomic data, we clarified demographic history of E. salsugineum and showed how deleterious alleles accumulated.

Data from: Diploid hybrid origin of Ostryopsis intermedia (Betulaceae) in the Qinghai-Tibet Plateau triggered by Quaternary climate change

Bingbing Liu, Richard J. Abbott, Zhiqiang Lu, Bin Tian & Jianquan Liu
Despite the well known effects that Quaternary climate oscillations had on shaping intraspecific diversity, their role in driving homoploid hybrid speciation is less clear. Here we examine their importance in the putative homoploid hybrid origin and evolution of Ostryopsis intermedia, a diploid species occurring in the Qinghai-Tibet Plateau (QTP), a biodiversity hotspot. We investigated interspecific relationships between this species and its only other congeners, O. davidiana and O. nobilis, based on four sets of nuclear...

Data from: Parental investment in a Tibetan population does not reflect stated cultural norms

Juan Du & Ruth Mace
In this paper, we examined both stated norms of gender preference and actual sex-biases in parental investment in a Tibetan pastoralist society. We collected detailed demographic data to examine how biased parental investment had an effect on infant mortality, infant feeding, the length of interbirth intervals and a decision when giving gifts. Our results indicate a mismatch between self-reported son preference and measures of actual parental investment that favour daughters. We interpret this female-biased parental...

Data from: Phylogenetic niche conservatism and variations in species diversity-climate relationships

Qinggang Wang, Yaoqi Li, Dongting Zou, Xiangyan Su, Hongyu Cai, Ao Luo, Ke Jiang, Xiaoling Zhang, Xiaoting Xu, Nawal Shrestha & Zhiheng Wang
Although contemporary climate has been identified as one of the major determinants of large-scale species diversity patterns, its effect on species diversity greatly varies among clades. Understanding the drivers of the variation in species diversity-climate relationships (DCRs) across clades, which is critical for developing general mechanisms underlying the effects of climate on species diversity patterns, remains a current challenge. Using newly compiled distribution data of 914 Rosaceae species in China and a dated genus-level phylogeny,...

Three‐dimensional soil heterogeneity modulates responses of grassland mesocosms to an experimentally imposed drought extreme

Yongjie Liu, Michiel F. Bortier, Ivan Nijs, Yongshuo Fu, Zhenqing Li, Fujiang Hou & Hans J. De Boeck
Heterogeneity is an intrinsic characteristic of soils, which regulates plant diversity and ecosystem functioning. However, whether soil heterogeneity also modulates responses of plant communities to climate change, including climate extremes, remains largely an open question. Here, we explore responses of plant communities to drought extremes across four levels of spatial soil heterogeneity, with cell sizes varying from very small to very large, i.e. 0, 12, 24 and 48 cm. These were created in mesocosms by...

Data for: Giant babax helpers claim excess immediate reward in barren high-altitude habitat

Bo Du
In cooperatively breeding species, helpers take higher risk of getting deficit than dominant breeders because of the time-lag between helping and rewarding. Helpers can deal with the risk by curtailing investment or claiming immediate rewards in the cooperation. Given that dominant breeders may rely largely on the aids of helpers in raising their offspring under barren conditions, it can be hypothesized that helpers are more likely to adopt these two adaptive strategies in a barren...

Positive allometric growth explains the positive effect of foliar fungal pathogens on plant coexistence

Yao Xiao, Shurong Zhou, Xiang Liu Xiang Liu, Zhiping Song, Yawen Lu, Li Zhang, Mengjiao Hua, Yikang Chen, Shiliang Chen & Yimin Zhao
The data was collected in the northeastern Qinghai-Tibetan Plateau, Qinghai Province, China (101° 18′ 57″ E, 37° 36′ 50″ N; 3 221 m a.s.l.) in 2019 and 2020, including the species-specific growth allometry (scaling exponent and intercept) fitted by the allometric equation under each treatment in a population-level experiment, i.e., control, fungicide application, neighbor removal (removal), fungicide application × neighbor removal, and the community-level mean and dispersion of the growth allometry (CWM and FDis of...

Data from: Insect pollinators show constancy for different flower traits between the most‐ and less‐preferred plants: a case study of the long‐proboscid tangle‐veined fly

Bo Du, Li‐Fang Gao, Yu‐Jie Wang, Hai‐Yang Zhang, Wen Zhang, Xiao‐Dan Zhang & Zhen‐Qin Zhu
1. The coevolution of insect pollinators and their host plants is a typical example of natural selection; however, it remains unclear as to how insect pollinators avoid overdependence on one peculiar plant. As most insect pollinators exhibit a diet breadth when showing flower constancy, to determine the difference and similarity of most and less-preferred flowers by insect pollinators may be helpful to understand their trade-off between flower constancy and overdependence. 2. We addressed this question...

Data from: Trial marriage model – female mate choice under male interference

Bo Du, Meng-Yao Li, Zhuo-Song Geng, Peng Liao, Xiao-Yang Wang, Tian-Chang Yang, Jing-Yuan Wang, Dan-Dan Wang & Li-Fang Gao
In sexually reproducing animals, the process of mate choice by females is often mixed with the process of male-male competition. Current models of female male choice focus mainly on how females identify the higher quality of males, but neglect the effect of male-male competition on the mate choice of females. Therefore, it remains controversial what is the relative importance of two processes in forming a social bond. We propose a new “trial marriage” model for...

Lepidoptera caterpillars barcodes in FASTA format

Ming-Qiang Wang, Chuan Yan, Arong Luo, Yi Li, Douglas Chesters, Hui-Jie Qiao, Jing-Ting Chen, Qing-Song Zhou, Keping Ma, Helge Bruelheide, Andreas Schuldt, Zhibin Zhang & Chao-Dong Zhu
The dataset contains COI barcodes of Lepidoptera caterpillars collected from a subtropical forest in Jiangxi, China.

Responses of a resident group to an outsider in the blue-breasted quail: a paradigm for studying social resettlement of dispersers

Bo Du, Shumei Zi, Lifang Gao, Xiaoxue Chen, Qian Wang, Fangyuan Liu & Jianchuan Li
Dispersal is an individual life history trait that can influence the ecological and evolutionary dynamics of both the source and recipient populations. Current studies of animal dispersal have paid little attention to how the responses of residents in a recipient population affect the social resettlement of dispersers into a new habitat. We addressed this question in the blue-breasted quail Synoicus chinensis by designing an outsider introduction experiment to simulate a scenario of interaction between residents...

Data from: Allocation of nitrogen and phosphorus within and between the needles, stems, and roots of Picea seedlings

Zhi-Qiang Wang, Heng Huang, Xiaowei Li, Kangshan Mao, Jinzhi Ran, Jianming Deng, Xiao-Wei Li, Jin-Zhi Ran, Jian-Ming Deng & Kang-Shan Mao
The allocation of nutrients links ecosystem supply services to the functional traits and development of plants. This is particularly true for nitrogen (N) and phosphorus (P), which are important limiting resources in natural systems and are related to many aspects of plant biology. We investigated the scaling relationships associated with the N and P contents within specific organ types (needles, stems, and roots) and the same nutrients in the different organs of Picea seedlings from...

Data from: Helper effects in the azure-winged magpie Cyanopica cyana in relation to highly-clumped nesting pattern and high frequency of conspecific nest-raiding

Qing-Miao Ren, Shuang Luo, Xue-Jing Du, Guo-Liang Chen, Sen Song & Bo Du
In avian cooperative breeding systems, many benefits obtained by social pairs from the presence of helpers have been uncovered. However, until now, the factors that determine the type of assistance helpers provide and the responses of social pairs have not been well illustrated. We examined the contribution of helpers to cooperative groups and the relevant responses of dominant pairs in the azure-winged magpie Cyanapica cyana which breeds on the Tibetan Plateau. We used the capture–mark–recapture...

Data from: Comparative transcriptomic analysis revealed adaptation mechanism of Phrynocephalus erythrurus, the highest altitude lizard living in the Qinghai-Tibet Plateau

Yongzhi Yang, Lizhong Wang, Jin Han, Xiaolong Tang, Ming Ma, Kun Wang, Xiao Zhang, Qian Ren, Qiang Chen & Qiang Qiu
Background: Organisms living at high altitudes must overcome three major environmental challenges: hypoxia, cold, and intense UV radiation. The molecular mechanisms that enable these challenges to be overcome have mainly been studied in endothermic organisms; relatively little attention has been paid to poikilothermic species. Here, we present deep transcriptome sequencing in two closely related lizards, the high altitude-dwelling Phrynocephalus erythrurus and the lowland-dwelling P. putjatia, to identify candidate genes under positive selection and to explore...

Data from: History and evolution of alpine plants endemic to the Qinghai-Tibetan Plateau: Aconitum gymnandrum (Ranunculaceae)

Liuyang Wang, Richard Abbott, Wei Zheng, Ping Chen, Yujin Wang & Jianquan Liu
How Quaternary climatic oscillations affected range distributions and intraspecific divergence of alpine plants on the Qinghai-Tibetan Plateau (QTP) remains largely unknown. Here we report a survey of chloroplast (cp) and nuclear ribosomal (ITS) DNA variation aimed at exploring the phylogeographic history of the QTP alpine endemic Aconitum gymnandrum. We sequenced three cpDNA fragments (rpl20-rps12 intergenic spacer, the trnV intron and psbA-trnH spacer) and also the nuclear (ITS) region in 245 individuals from 23 populations sampled...

Data from: Selection by pollinators on floral traits in generalized Trollius ranunculoides (Ranunculaceae) along altitudinal gradients

Zhi-Gang Zhao & Yi-Ke Wang
Abundance and visitation of pollinator assemblages tend to decrease with altitude, leading to an increase in pollen limitation. Thus increased competition for pollinators may generate stronger selection on attractive traits of flowers at high elevations and cause floral adaptive evolution. Few studies have related geographically variable selection from pollinators and intraspecific floral differentiation. We investigated the variation of Trollius ranunculoides flowers and its pollinators along an altitudinal gradient on the eastern Qinghai-Tibet Plateau, and measured...

Data from: Marital stability in a pastoralist society

Juan Du & Ruth Mace
We examined how individual investment was associated with the duration of marriage partnerships in a pastoralist society of Amdo Tibetans in China. We collected demographic and socioeconomic data from 420 women and 369 men over 5 villages to assess which factors predicted partnership length. We found that the payment of dowry and bridewealth from both sides of the family predicted marriage stability. The production of offspring, regardless of their survivorship, also had a positive effect...

Fast and furious: Early differences in growth rate drive short-term plant dominance and exclusion under eutrophication

Yann Hautier, Zhang Pengfei, Mariet Hefting, Merel Soons, George Kowalchuk, Mark Rees, Andrew Hector, Lindsay Turnbull, Xiaolong Zhou, Zhi Guo, Chengjin Chu, Guozhen Du & Yann Hautier
1. The reduction of plant diversity following eutrophication threatens many ecosystems worldwide. Yet, the mechanisms by which species are lost following nutrient enrichment are still not completely understood, nor are the details of when such mechanisms act during the growing season, which hampers understanding and the development of mitigation strategies. 2. Using a common garden competition experiment, we found that early-season differences in growth rates among five perennial grass species measured in monoculture predicted short-term...

Plant litter influences the temporal stability of plant community biomass in an alpine meadow by altering the stability and asynchrony of plant functional groups

Zhouwen Ma, Yifeng Zeng, Jing Wu, Qingping Zhou & Fujiang Hou
​​​The stability of a plant community is defined as its ability to resist and be resilient to changes. Plant community stability can be driven by a range of external perturbations as well as by plant community traits. Plant litter traits (species or mass) are widely recognized drivers for plant community composition and diversity changes in grasslands. Yet, the effects of litter traits on the temporal stability of plant communities in natural grasslands are largely unknown....

Data from: Current ecology, not ancestral dispersal patterns, influences menopause symptom severity

Yuping Yang, Megan Arnot & Ruth Mace
All human females who reach midlife experience menopause, however, it is currently unclear why women experience this period of infertility, and why it is accompanied by many unpleasant symptoms. Using primary data from four ethnic groups in China, we test an existing theory that age of menopause and its symptoms are the result of intragenomic conflict between maternally and paternally inherited genes, with the outcome of such conflict predicted to be contingent on the ancestral...

Impact of soil temperature-difference on desert carbon-sink

Fan Yang, Jianping Huang, Qing He, Chenglong Zhou, Honglin Pan, Wen Huo, Xinqian Zheng, Haipeng Yu, Xiaoyue Liu, Lu Meng, Dongliang Han, Mamtimin Ali & Xinghua Yang
The global carbon-cycle is crucial for climate change. Desert, which has long been neglected in the global carbon-cycle, may sequester enormous volumes of CO2 and play the role of a carbon-sink. As the world's second-largest shifting desert, the Taklimakan Desert (TD) contributes substantially to desert carbon-sinks. However, the contributions of the internal processes of the TD to its carbon-sink and the long-term trend of the carbon-sink under climate change are still unclear. This study will...

Competition as a demolition derby: Why tolerating competitors is more important than suppressing them

Daniel Atwater, Ragan M. Callaway & Sa Xiao
Tolerance and suppression are distinct components of competition among plants, and recognizing how they affect competitive outcomes is important for understanding the mechanisms and consequences of competition. We used simulations informed by experimental trials to ask whether tolerance or suppression of competitors was more important for the survival of native plants experiencing competition with an exotic invasive species. When competition was pairwise, tolerance and suppression contributed equally to competitive rank in simulations. However, when multiple...

Data from: Erythrocyte stiffness during morphological remodeling induced by carbon ion radiation

Baoping Zhang, Bin Liu, Hong Zhang & Jizeng Wang
The adverse effect induced by carbon ion radiation (CIR) is still an unavoidable hazard to the treatment object. Thus, evaluation of its adverse effects on the body is a critical problem with respect to radiation therapy. We aimed to investigate the change between the configuration and mechanical properties of erythrocytes induced by radiation and found differences in both the configuration and the mechanical properties with involving in morphological remodeling process. Syrian hamsters were subjected to...

Dependence of the azure-winged magpie on nest spatial cues in offspring recognition decreases with nestling growth

Bo Du
Various cues have been identified as the basis for animals’ discrimination between kin and non-kin. In altricial birds, these cues show temporal and spatial variations, implying that kin recognition might be condition-dependent. In this study, we hypothesize that parents might be sensitive to the changes in nest spatial position, and that their dependence on the nest spatial cue in offspring recognition decreases with offspring growth. We tested this hypothesis in a Tibetan population of the...

Data from: Does pH matter for ecosystem multifunctionality? An empirical test in a semi-arid grassland on the Loess Plateau

Yanan Wei, Jing Xin, Fanglong Su, Zhen Li, Fuwei Wang & Hui Guo
Date of data collection: 2016-2018 Geographic location of data collection: Guyuan, Ningxia, China (106°23′E, 36°15′N) These data were generated to (i) investigate the responses of soil properties, biological communities and multifunctionality to decreased soil pH; (ii) determine the potential biotic and abiotic pathways that soil pH may drive multifunctionality. In 2016, a 17 m × 40 m semi-arid grassland plot with an initial pH value of 8.05 and uniform vegetation was selected. The experiment was...

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