24 Works

Data from: Population density and structure drive differential investment in pre- and postmating sexual traits in frogs

Stefan Lüpold, Long Jin & Wen Bo Liao
Sexual selection theory predicts a trade-off between premating (ornaments and armaments) and postmating (testes and ejaculates) sexual traits, assuming that growing and maintaining these traits is costly and that total reproductive investments are limited. The number of males in competition, the reproductive gains from investing in premating sexual traits, and the level of sperm competition are all predicted to influence how males allocate their finite resources to these traits. Yet, empirical examination of these predictions...

The checklist of spiders in tea plantations of China

Xuhao Song, Tingbang Yang, Xiaoqin Xu & Yang Zhong
Spiders are the most dominant predatory natural enemies of insect pests in the tea plantation ecosystem. There has been a large amount of literature published about the investigation of spider species in Chinese tea plantations from 1982 to 2020. Here, the spider species in Chinese tea plantations has been summarised and the dominant spider species in each regional tea plantation recorded. To date, there were 535 spider species from 40 families reported in Chinese tea...

Data from: Differential impacts of nitrogen addition on rhizosphere and bulk-soil carbon sequestration in an alpine shrubland

Xiaomin Zhu, Ziliang Zhang, Dongyan Liu, Yongping Kou, Qian Zheng, Mei Liu, Juan Xiao, Qing Liu & Huajun Yin
1. Due to complex root-soil interactions, the responses of carbon (C) dynamics in the rhizosphere to elevated nitrogen (N) deposition may be different from those in bulk soil. However, the potentially different response of C dynamics in the rhizosphere and bulk soils and their contributions to soil C sequestration under N deposition is still not elucidated. 2. We conducted an N addition experiment in an alpine shrubland dominated by Sibiraea angustata located on the eastern...

Data from: Pternopetalum porphyronotum sp. nov. (Apiaceae) from Sichuan, China

Yan Zhong, Bin Wang, Jia-Zhen Zhang & Jin-Bo Tan
Pternopetalum porphyronotum, a new species from Dafengding Nature Reserve, Sichuan Province, China, is proposed. Diagnostic morphological characters, full description and detailed illustration are given based on the type material. A comparison between this new species and the two most similar congeners are presented.

Data from: Rescued wildlife in China remains at risk

Zhao-Min Zhou, Chris Newman, Christina D. Buesching, David W. Macdonald & Youbing Zhou
Improper treatment of ‘rescued’ animals substantially undermines welfare ethos of CITES guidance. We briefly report on the fate of confiscated live wild animals in China between 2010 and 2015, where illegal trade in both exotic and native wildlife continues to flourish. In particular, we draw attention to China’s lack of legislation or protocols ‘appropriate and consistent’ with the CITES code of practice pertaining to the protection of illegally traded wildlife after rescue.

Raw sequence of: Field investigation- and dietary metabarcoding-based screening of arthropods that prey on primary tea pests

Tingbang Yang, Xuhao Song, Yang Zhong, Bin Wang & Caiquan Zhou
Predatory natural enemies play key functional roles in biological control. Abundant predatory arthropod species have been recorded in tea plantation ecosystems. However, few studies have comprehensively evaluated the control effect of predatory arthropods on tea pests in the field. We performed a one-year field investigation and collected predatory arthropods and pests in the tea canopy. Total 7,931 predatory arthropod individuals were collected, and Coleosoma blandum (Araneae, Theridiidae) was the most abundant species in the studied...

Relative brain size is predicted by the intensity of intrasexual competition in frogs

Chun Lan Mai, Wen Bo Liao, Stefan Lüpold & Alexander Kotrschal
Competition over mates is a powerful force shaping trait evolution. For instance, better cognitive abilities may be beneficial in male−male competition and thus be selected for by intrasexual selection. Alternatively, investment in physical attributes favoring male performance in competition for mates may lower the resources available for brain development, and more intense male mate competition would coincide with smaller brains. To date, only indirect evidence for such relationships exists and most studies are heavily biased...

Raw sequence of: A comparative analysis of spider prey spectra analyzed through the next-generation sequencing of individual and mixed DNA samples

Ting-Bang Yang, Xuhao Song, Xiaoqin Xu, Caiquan Zhou & Aimin Shi
As one of the most abundant predators of insects in terrestrial ecosystems, spiders have long received much attention from agricultural scientists and ecologists. Do spiders have a certain controlling effect on the main insect pests of concern in farmland ecosystems? Answering this question requires us to fully understand the prey spectrum and prey preferences of spiders in the farmland ecosystem of concern. Next-generation sequencing (NGS) has been successfully employed to analyze spider prey spectra by...

Data from: Pollen competition between morphs in a pollen-color dimorphic herb and the loss of phenotypic polymorphism within populations

Xiao-Yue Wang, Qiu-Mei Quan, Bo Wang, Yun-Xiang Li & Shuang-Quan Huang
Flower color polymorphism is relatively uncommon in natural flowering plants, suggesting that maintenance of different color morphs within populations is difficult. To address the selective mechanisms shaping pollen-color dimorphism, pollinator preferences and reproductive performance were studied over three years in Epimedium pubescens in which some populations had plants with either green or yellow pollen (and anthers). Visitation rate and pollen removal and receipt by the bee pollinator (Andrena emeishanica) did not differ between the two...

Data from: Effects of grain size and niche breadth on species distribution modeling

Thomas Connor, Vanessa Hull, Andres Vina, Ashton Shortridge, Ying Tang, Jindong Zhang, Fang Wang & Jianguo Liu
Scale is a vital component to consider in ecological research, and spatial resolution or grain size is one of its key facets. Species distribution models (SDMs) are prime examples of ecological research in which grain size is an important component. Despite this, SDMs rarely explicitly examine the effects of varying the grain size of the predictors for species with different niche breadths. To investigate the effect of grain size and niche breadth on SDMs, we...

Data from: Sexual selection impacts brain anatomy in frogs and toads

Yu Zeng, Shang Ling Lou, Wen Bo Liao, Robert Jehle & Alexander Kotrschal
Natural selection is a major force in the evolution of vertebrate brain size, but the role of sexual selection in brain size evolution remains enigmatic. At least two opposing schools of thought predict a relationship between sexual selection and brain size. Sexual selection should facilitate the evolution of larger brains because better cognitive abilities may aid the competition for mates. However, it may also restrict brain size evolution due to energetic trade-offs between brain tissue...

Data from: Heterogeneous distributional responses to climate warming: evidence from rodents along a subtropical elevational gradient

Wen Zhixin, Yi Wu, Deyan Ge, Jilong Cheng, Yongbin Chang, Zhisong Yang, Lin Xia & Qisen Yang
Background: Understanding whether species' elevational range is shifting in response to directional changes in climate and whether there is a predictable pattern in that response is one of the major challenges in ecology. However, so far very little is known about the distributional responses of subtropical species to climate change, especially for small mammals. In this study, we examined the elevational range shifts at three range points (upper and lower range limits and abundance-weighted range...

Data from: Genomewide scan for adaptive differentiation along altitudinal gradient in the Andrew's toad Bufo andrewsi

Baocheng Guo, Di Lu, Wen Bo Liao & Juha Merilä
Recent studies of humans, dogs and rodents have started to discover the genetic underpinnings of high altitude adaptations, yet amphibians have received little attention in this respect. To identify possible signatures of adaptation to altitude, we performed a genome scan of 15 557 single nucleotide polymorphisms (SNPs) obtained with restriction site-associated DNA sequencing of pooled samples from 11 populations of Andrew's toad (Bufo andrewsi) from the edge of the Tibetan Plateau, spanning an altitudinal gradient...

Data from: Large-brained frogs mature later and live longer

Xin Yu, Mao Jun Zhong, Da Yong Li, Long Jin, Wen Bo Liao & Alexander Kotrschal
Brain sizes vary substantially across vertebrate taxa yet the evolution of brain size appears tightly linked to the evolution of life histories. For example, larger-brained species generally live longer than smaller-brained species. A larger brain requires more time to grow and develop at a cost of exceeded gestation period and delayed weaning age. The cost of slower development may be compensated by better homeostasis control and increased cognitive abilities, both of which should increase survival...

Data from: Climate change and landscape-use patterns influence recent past distribution of giant pandas

Junfeng Tang, Ronald R. Swaisgood, Megan A. Owen, Xuzhe Zhao, Fuwen Wei, Nicholas W. Pilfold, Xuyu Yang, Xiaodong Gu, Zhisong Yang, Qiang Dai, Mingsheng Hong, Hong Zhou, Jindong Zhang, Shibin Yuan, Han Han & Zejun Zhang
Climate change is one of the most pervasive threats to biodiversity globally, yet the influence of climate relative to other drivers of species depletion and range contraction remain difficult to disentangle. Here, we examine climatic and non-climatic correlates of giant panda (Ailuropoda melanoleuca) distribution using a large-scale 30-year dataset to evaluate whether a changing climate has already influenced panda distribution. We document several climatic patterns, including increasing temperatures, and alterations to seasonal temperature and precipitation....

Data from: Predicting range shifts of Davidia involucrata Ball. under future climate change

Teng Long, Junfeng Tang, Nicholas W. Pilfold, Xuzhe Zhao & Tingfa Dong
Understanding and predicting how species will respond to climate change is crucial for biodiversity conservation. Here, we assessed future climate change impacts on the distribution of a rare and endangered plant species, Davidia involucrate in China, using the most recent global circulation models developed in the sixth Assessment Report of the Intergovernmental Panel on Climate Change (IPCC6). We assessed the potential range shifts in this species by using an ensemble of species distribution models (SDMs)....

Data from Pollinator effectiveness and importance between female and male mining bee (Andrena)

Ju Tang, Qiu-Mei Quan, Jing-Zhu Chen, Ting Wu & Shuang-Quan Huang
Bees are often considered to be effective pollinators in both agricultural and natural ecosystems, but could be ‘ugly’ pollinators in that they collect large quantities of pollen for food provision but deliver little to stigmas. Male bees do not collect pollen to feed larvae, and their pollination role has been underappreciated. Here we compare pollination transfer efficiency and effectiveness between female and male individuals of a mining bee, Andrena emeishanica, visiting a nectariferous spring flower...

Raw data from: Airport noise disturbs foraging behavior of Japanese pipistrelle bats

Weiwei Wang, Huimin Gao, Chengrong Li, Yingchun Deng, Daying Zhou, Yaqi Li, Wenyu Zhou, Bo Luo, Haiying Liang, Wenqin Liu, Pan Wu, Jing Wang & Jiang Feng
The expansion of anthropogenic noise poses an emerging threat to the survival and reproductive success of various organisms. Previous investigations have focused on the detrimental effects of anthropogenic noise on the foraging behavior in some terrestrial and aquatic animals. Nevertheless, the role of airport noise in impairing foraging activities of most wild animals has been neglected. Here, we aimed to assess whether foraging behavior in free-living Japanese pipistrelle bats (Pipistrellus abramus) can be disturbed by...

Absorptive roots drive a larger microbial carbon pump efficacy than transport roots in alpine coniferous forests

Qitong Wang, Ziliang Zhang, Xiaomin Zhu, Zhanfeng Liu, Na Li, Juan Xiao, Qing Liu & Huajun Yin
Root activity creates a unique microbial hotspot in the rhizosphere and profoundly regulates soil carbon (C) dynamics, but empirical assessments of the soil microbial carbon pump (MCP, the iterative accumulation of necromass after microbial anabolism) and associated ecological consequences on soil C storage based on insight of the rhizosphere are still neglected, especially for different root functional modules. We assessed the soil MCP efficacy (i.e., the contribution of microbial necromass to SOC) by investigating the...

Data from: Climate and soil nutrients differentially drive multidimensional fine root traits in ectomycorrhizal‐dominated alpine coniferous forests

Junxiang Ding, Deliang Kong, Ziliang Zhang, Qin Cai, Juan Xiao, Qing Liu & Huajun Yin
Fine root traits vary greatly with environmental changes, but the understanding of root-trait variation and its drivers is limited over broad geographical scales, especially for ectomycorrhizal (ECM)-dominated conifers in alpine forests. Herein, the covariation patterns of and environmental controls for fine root traits among ECM-dominated conifers were examined to test whether and how climate and soil nutrients differentially affect fine root trait variations. Eight traits of first- and second-order roots were measured, i.e., root diameter...

Data from: Compared with conventional PCR assay, qPCR assay greatly improves the detection efficiency of predation

Ting-Bang Yang, Jie Liu & Jian Chen
Studies of predation can contribute greatly to understanding predator-prey relationships and can also provide integral knowledge concerning food webs and multi-trophic level interactions. Both conventional polymerase chain reaction (cPCR) and quantitative PCR (qPCR) have been employed to detect predation in the field because of their sensitivity and reproducibility. However, to date, few studies have been used to comprehensively demonstrate which method is more sensitive and reproducible in studies of predation. We used a Drosophila melanogaster-specific...

Data from: Ejaculate evolution in external fertilizers: influenced by sperm competition or sperm limitation?

Wen Bo Liao, Yan Huang, Yu Zeng, Mao Jun Zhong, Yi Luo & Stefan Lüpold
The evolution of sperm quality and quantity is shaped by various selective processes, with sperm competition generally considered the primary selective agent. Particularly in external fertilizers, however, sperm limitation through gamete dispersal can also influence gamete investments, but empirical data examining this effect are limited. Here, we studied the relative importance of sperm competition and the spawning conditions in explaining the macroevolutionary patterns of sperm size and number within two taxa with external fertilization but...

Data from: The transcriptome response of Heliconius melpomene larvae to a novel host plant

Quan-You Yu, Shou-Min Fang, Ze Zhang & Chris D. Jiggins
In the warfare between herbivore and host plant, insects have evolved a variety of defensive mechanisms, including allelochemical transformation and excretion. Several studies have explored the transcriptome responses of insects after host plant shifts to understand these mechanisms. We investigated the plastic responses of Heliconius melpomene larvae feeding on a native host Passiflora menispermifolia and a less strongly defended nonhost species, Passiflora biflora. In total, 326 differentially expressed genes were identified, with a greater number...

Data from: Predicting range shifts of the giant pandas under future climate and land use scenarios

Zhenjun Liu, Xuzhe Zhao, Wei Wei, Mingsheng Hong, Hong Zhou, Junfeng Tang & Zejun Zhang
Aim: Understanding and predicting how species will respond to global environmental change (i.e., climate and land use change) is essential to efficiently inform conservation and management strategies for authorities and managers. Here, we assessed the combined effect of future climate and land use change on the potential range shifts of the giant pandas (Ailuropoda melanoleuca). Location: Sichuan Province, China. Methods: We used ensemble species distribution models (SDMs) to forecast range shifts of the giant pandas...

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