72 Works

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...

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,...

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: 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: 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...

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...

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.

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: Nitrogen enrichment and warming shift community functional composition via distinct mechanisms: the role of intraspecific trait variability and species turnover

Xiaoyi Wang, Xuebin Yan, Kailing Huang, Xi Luo, Yuanyuan Zhang, Luyao Zhou, Fei Yang, Xiaohong Xu, Xianhui Zhou, Kechang Niu & Hui Guo
1. Global change factors may shift community functional composition by driving species turnover (species occurrence and species relative abundance) and intraspecific trait variability. However, their relative contribution in determining the functional response of community to global change, especially nitrogen enrichment and warming, remains unclear. 2. We conducted a fully factorial field experiment in a Tibetan alpine meadow to examine responses of plant community functional composition to nitrogen enrichment and warming by quantifying seven plant functional...

Codes for simulation and data for: The relationship between local and regional extinction rates depends on species distribution patterns

Chuan Yan, Fangliang He, Jinxing He & Zhibin Zhang
The rapid loss of biodiversity poses a great threat to ecosystem functions and services. Credible estimation of species extinction rates is essential for understanding the magnitude of biodiversity loss and for informing conservation, but this has been a challenge because estimated extinctions are unverifiable due to the lack of data. In this study, we investigated the relationship between local and regional extinctions and assessed the effects of range size, spatial segregation, and patchiness of species...

Grazing changes the direction of direct effect of shrubs on nematode communities but suppresses indirect effects through microbial pathways

Hanwen Cui, Ziyang Liu, Jingwei Chen, Jiajia Wang, Hongxian Song, Sa Xiao, Xiaoli Yang, Xiangtai Wang, Yajun Wang, Xi Kou, Lihua Meng, Kun Liu, Shuyan Chen, Lizhe An & Uffe Nielsen
Abstract It is well established that dominant plants shape belowground communities, which in turn influence ecosystem functioning. Similarly, herbivores affect belowground communities through physical disturbance and redistribution of organic inputs, but also through their interactions with the plants themselves. However, we know little about how grazing moderates effects of dominant plants on belowground organisms. We established a three-year removal experiment in a grazed and an ungrazed alpine meadow on the Qinghai-Tibet plateau to explore how...

Data from: Plantings accelerate restoration of tropical forest but assembly mechanisms appear insensitive to initial composition

Lanping Li, Marc W. Cadotte, Cristina Martínez-Garza, Marinés De La Peña-Domene & Guozhen Du
1. Phylogenetic and trait-based approaches to community ecology are increasingly being used to test for nonrandom community assembly and are now being applied to assessments of habitat restoration. A critical question for the restoration of tropical forests is how plantings influence the recruitment of new species, and specifically the phylogenetic and functional diversity of restored habitats. 2. We examined 8 years (2006-2014) of tropical forest recruitment in two restoration planting compositions (12 animal-dispersed and 12...

Data from: Forward genetic screening for regulators involved in cholesterol synthesis using validation-based insertional mutagenesis

Wei Jiang, Jing-Jie Tang, Hong-Hua Miao, Yu-Xiu Qu, Jie Qin, Jie Xu, Jinbo Yang, Bo-Liang Li & Bao-Liang Song
Somatic cell genetics is a powerful approach for unraveling the regulatory mechanism of cholesterol metabolism. However, it is difficult to identify the mutant gene(s) due to cells are usually mutagenized chemically or physically. To identify important genes controlling cholesterol biosynthesis, an unbiased forward genetics approach named validation-based insertional mutagenesis (VBIM) system was used to isolate and characterize the 25-hydroxycholesterol (25-HC)-resistant and SR-12813-resisitant mutants. Here we report that five mutant cell lines were isolated. Among which,...

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: 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...

Data from: Species divergence and maintenance of species cohesion of three closely related Primula species in the Qinghai-Tibet Plateau

Guangpeng Ren, Rubén G. Mateo, Antoine Guisan, Elena Conti & Nicolas Salamin
Aim: Understanding the relative roles of geography and ecology in driving speciation, population divergence and maintenance of species cohesion is of great interest to molecular ecology. Closely related species that are parapatrically distributed in mountainous areas provide an ideal model to evaluate these key issues, especially when genomic data are analyzed within a spatially and ecologically explicit context. Here we used three closely related species of Primula that occur in the Himalayas, the Hengduan Mountains...

Data from: Reticulate evolution within a spruce (Picea) species complex revealed by population genomic analysis

Yongshuai Sun, Richard J. Abbott, Zhiqiang Lu, Kangshan Mao, Lei Zhang, Xiaojuan Wang, Dafu Ru & Jianquan Liu
The role of reticulation in the rapid diversification of organisms is attracting greater attention in evolutionary biology. Here, we report a population genomics approach to test the role of hybridization and introgression in the evolution of the Picea likiangensis species complex. Based on 84,793 SNPs detected in transcriptomes of 82 trees collected from 35 localities, we identified 18 hybrids (including backcrosses) distributed within the range boundaries of the four taxa. Coalescent simulations, for each pair...

Data from: Integrating spatial structure and interspecific and intraspecific plant–soil feedback effects and responses into community structure

Sa Xiao, Dan Z. Atwater & Ragan M. Callaway
Plant-soil feedbacks have important effects on plant communities, but most theory has been derived from experiments on intraspecific plant-soil feedbacks. Much less is known about how interspecific plant-soil feedbacks affect coexistence and plant communities, due in part to experimental and analytical challenges. Here, we propose a framework for evaluating plant-soil feedbacks among multiple interacting species that incorporates 1) the average effect each species has on conspecific and heterospecific neighbors via how they modify soil biota,...

Data from: Climatic adaptation and ecological divergence between two closely related pine species in Southeast China

Yongfeng Zhou, Lirui Zhang, Jianquan Liu, Guili Wu & Outi Savolainen
Climatic selection contributes greatly to local adaptation and intraspecific differentiation, but this kind of selection could have also promoted interspecific divergence through ecological speciation. In this study, we examined genetic variation within and between two closely related pine species, Pinus massoniana and Pinus hwangshanensis. These two species occur in Southeast China and exhibit contrasting ecological preferences, although hybrids are formed where their distributions overlap. We sampled 26 populations of the two species across their distributional...

Data from: Phenotypic effects of the nurse Thylacospermum caespitosum on dependent plant species along regional climate stress gradients

Xingpei Jiang, Richard Michalet, Shuyan Chen, Liang Zhao, Xiangtai Wang, Chenyue Wang, Lizhe An & Sa Xiao
Contrasting phenotypes of alpine cushion species have been recurrently described in several mountain ranges along small-scale topography gradients, with tight competitive phenotypes in stressful convex topography and loose facilitative phenotypes in sheltered concave topography. The consistency of phenotypic effects along large-scale climate stress gradients have been proposed as a test of the likely genetic bases of the differences observed at small-scale. Inversely, plastic phenotypic effects are more likely to vanish at some points along climate...

Foliar fungal pathogens along an elevation gradient in Tibetan alpine meadow

Xiang Liu
Foliar fungal diseases have a great influence on both photosynthesis and ecosystem function. However, information on how the elevation gradient (which is one of the most important biogeographic factors) affects foliar fungal diseases is scarce. Here, we did an investigation along 3200 m ~ 4000 m in an alpine meadow and arranged 30 quadrats collecting data of foliar fungal diseases, plant composition and soil properties to study the plant community-mediated (through changes in plant biomass,...

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...

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...

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