1,841 Works

Data from: Factors determining forest diversity and biomass on a tropical volcano, Mt. Rinjani, Lombok, Indonesia

Gbadamassi G. O. Dossa, Ekananda Paudel, Junichi Fujinuma, Haiying Yu, Wanlop Chutipong, Yuan Zhang, Sherryl Paz, Rhett D. Harrison & Nathan G. Swenson
Tropical volcanoes are an important but understudied ecosystem, and the relationships between plant species diversity and compositional change and elevation may differ from mountains created by uplift, because of their younger and more homogeneous soils. We sampled vegetation over an altitudinal gradient on Mt. Rinjani, Lombok, Indonesia. We modeled alpha- (plot) and beta- (among plot) diversity (Fisher’s alpha), compositional change, and biomass against elevation and selected covariates. We also examined community phylogenetic structure across the...

Data from: Shifting baselines on a tropical forest frontier: extirpations drive declines in local ecological knowledge

Zhong Kai, Teoh Shu Woan, Li Jie, Eben Goodale, Kaoru Kitajima, Robert Bagchi, Rhett D. Harrison & Zhang Kai
The value of local ecological knowledge (LEK) to conservation is increasingly recognised, but LEK is being rapidly lost as indigenous livelihoods change. Biodiversity loss is also a driver of the loss of LEK, but quantitative study is lacking. In our study landscape in SW China, a large proportion of species have been extirpated. Hence, we were interested to understand whether species extirpation might have led to an erosion of LEK and the implications this might...

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: Cross-cultural variation in men’s preference for sexual dimorphism in women’s faces

Mikhail V. Kozlov, Huajian Cai, Jorge Contreras-Garduño, Barnaby J. Dixson, Gavita A. Oana, Gwenaël Kaminski, Norman P. Li, Minna T. Lyons, Ike E. Onyishi, Keshav Prasai, Farid Pazhoohi, Pavol Prokop, Sandra L. Rosales Cardozo, Nicolle Sydney, Jose C. Yong, Markus J. Rantala, U. M. Marcinkowska & J. Contreras-Garduno
Both attractiveness judgements and mate preferences vary considerably cross-culturally. We investigated whether men's preference for femininity in women's faces varies between 28 countries with diverse health conditions by analysing responses of 1972 heterosexual participants. Although men in all countries preferred feminized over masculinized female faces, we found substantial differences between countries in the magnitude of men's preferences. Using an average femininity preference for each country, we found men's facial femininity preferences correlated positively with the...

Data from: Independent FLC mutations as causes of flowering time variation in Arabidopsis thaliana and Capsella rubella

Ya-Long Guo, Marco Todesco, Jörg Hagmann, Sandip Das & Detlef Weigel
Capsella rubella is an inbreeding annual forb closely related to Arabidopsis thaliana, a model species widely used for studying natural variation in adaptive traits such as flowering time. Although mutations in dozens of genes can affect flowering of A. thaliana in the laboratory, only a handful of such genes vary in natural populations. Chief among these are FRIGIDA (FRI) and FLOWERING LOCUS C (FLC). Common and rare FRI mutations along with rare FLC mutations explain...

Data from: De novo assembly of the transcriptome of an invasive snail and its multiple ecological applications

Jin Sun, Mingling Wang, Hao Wang, Huoming Zhang, Xianglong Zhang, Vengatesen Thiyagarajan, Pei-Yuan Qian, Jian-Wen Qiu, J. W. Qiu & P. Y. Qian
Studying how invasive species respond to environmental stress at the molecular level can help us assess their impact and predict their range expansion. Development of markers of genetic polymorphism can help us reconstruct their invasive route. However, to conduct such studies requires the presence of substantial amount of genomic resources. This study aimed to generate and characterize genomic resources using high throughput transcriptome sequencing for Pomacea canaliculata, a non-model gastropod indigenous to Argentina that has...

Data from: A bizarre Jurassic maniraptoran theropod with preserved evidence of membranous wings

Xing Xu, Xiaoting Zheng, Corwin Sullivan, Xiaoli Wang, Lida Xing, Yan Wang, Xiaomei Zhang, Jingmai K. O'Connor, Fucheng Zhang & Yanhong Pan
The wings of birds and their closest theropod relatives share a uniform fundamental architecture, with pinnate flight feathers as the key component. Here we report a new scansoriopterygid theropod, Yi qi gen. et sp. nov., based on a new specimen from the Middle–Upper Jurassic period Tiaojishan Formation of Hebei Province, China. Yi is nested phylogenetically among winged theropods but has large stiff filamentous feathers of an unusual type on both the forelimb and hindlimb. However,...

Data from: Testing the scaling effects and mechanisms of N-induced biodiversity loss: evidence from a decade-long grassland experiment

Zhichun Lan, G. Darrel Jenerette, Shuxia Zhan, Wenhuai Li, Shuxia Zheng & Yongfei Bai
Although extensive studies demonstrate that nitrogen (N) enrichment frequently reduces plant diversity within small quadrats (0.5 –4 m2), only a few studies have evaluated N effects on biodiversity across different spatial scales. We conducted the first experimental test of the scale dependence of N effects on species richness from a 10-year N treatment (1.75- 28 g N m−2 yr−1) in a typical steppe. We used species area relationship (SAR) to analyze the scale dependence of...

Data from: Structure of the epiphyte community in a tropical montane forest in SW China

Mingxu Zhao, Nalaka Geekiyanage, Jianchu Xu, Myo Myo Khin, Dian Ridwan Nurdiana, Ekananda Paudel & Rhett Daniel Harrison
Vascular epiphytes are an understudied and particularly important component of tropical forest ecosystems. However, owing to the difficulties of access, little is known about the properties of epiphyte-host tree communities and the factors structuring them, especially in Asia. We investigated factors structuring the vascular epiphyte-host community and its network properties in a tropical montane forest in Xishuangbanna, SW China. Vascular epiphytes were surveyed in six plots located in mature forests. Six host and four micro-site...

Data from: Reticulate evolution and sea-level fluctuations together drove species diversification of slipper orchids (Paphiopedilum) in Southeast Asia

Yan-Yan Guo, Yi-Bo Luo, Zhong-Jian Liu & Xiao-Quan Wang
South-East Asia covers four of the world's biodiversity hotspots, showing high species diversity and endemism. Owing to the successive expansion and contraction of distribution and the fragmentation by geographical barriers, the tropical flora greatly diversified in this region during the Tertiary, but the evolutionary tempo and mode of species diversity remain poorly investigated. Paphiopedilum, the largest genus of slipper orchids comprising nearly 100 species, is mainly distributed in South-East Asia, providing an ideal system for...

Data from: Identification of putative orthologous genes for the phylogenetic reconstruction of temperate woody bamboos (Poaceae: Bambusoideae)

Li-Na Zhang, Xian-Zhi Zhang, Yu-Xiao Zhang, Chun-Xia Zeng, Peng-Fei Ma, Lei Zhao, Zhen-Hua Guo & De-Zhu Li
The temperate woody bamboos (Arundinarieae) are highly diverse in morphology but lack a substantial amount of genetic variation. The taxonomy of this lineage is intractable, and the relationships within the tribe have not been well resolved. Recent studies indicated that this tribe could have a complex evolutionary history. Although phylogenetic studies of the tribe have been carried out, most of these phylogenetic reconstructions were based on plastid data, which provide lower phylogenetic resolution compared to...

Data from: Comparative transcriptome resources of eleven Primulina species, a group of “stone plants” from a biodiversity hotspot

Bin Ai, Yong Gao, Xiaolong Zhang, Junjie Tao, Ming Kang & Hongwen Huang
The genus Primulina is an emerging model system in studying the drivers and mechanisms of species diversification, for its high species richness and endemism, together with high degree of habitat specialization. In this study, we sequenced transcriptomes for eleven Primulina species across the phylogeny of the genus using the Illumina HiSeq 2000 platform. A total of 336 million clean reads were processed into 355 573 unigenes with a mean length of 1336 bp and an...

Data from: Long-term balanced fertilization improves the soil microbial functional diversity in a phosphorus-limited paddy soil

Jian-Qiang Su, Long-Jun Ding, Kai Xue, Huai-Ying Yao, John Quensen, Shi-Jie Bai, Wen-Xue Wei, Jin-Shui Wu, Jizhong Zhou, James M. Tiedje & Yong-Guan Zhu
The influence of long-term chemical fertilization on soil microbial communities has been one of the frontier topics of agricultural and environmental sciences and is critical for linking soil microbial flora with soil functions. In this study, 16S rRNA gene pyrosequencing and a functional gene array, GeoChip 4.0, were used to investigate the shifts in microbial composition and functional gene structure in paddy soils with different fertilization treatments over a 22-year period. These included a control...

Data from: Developmental biology of the early Cambrian cnidarian Olivooides

Xi-Ping Dong, Kelly Vargas, John A. Cunningham, Huaqiao Zhang, Teng Liu, Fang Chen, Jianbo Liu, Stefan Bengtson & Philip C. J. Donoghue
Fossilized embryos afford direct insight into the pattern of development in extinct organisms, providing unique tests of hypotheses of developmental evolution based in comparative embryology. However, these fossils can only be effective in this role if their embryology and phylogenetic affinities are well constrained. We elucidate and interpret the development of Olivooides from embryonic and adult stages and use these data to discriminate among competing interpretations of their anatomy and affinity. The embryology of Olivooides...

Data from: Tree phylogenetic diversity promotes host–parasitoid interactions

Michael Staab, Helge Bruelheide, Walter Durka, Stefan Michalski, Oliver Purschke, Chao-Dong Zhu & Alexandra-Maria Klein
Evidence from grassland experiments suggests that a plant community's phylogenetic diversity (PD) is a strong predictor of ecosystem processes, even stronger than species richness per se. This has, however, never been extended to species-rich forests and host–parasitoid interactions. We used cavity-nesting Hymenoptera and their parasitoids collected in a subtropical forest as a model system to test whether hosts, parasitoids, and their interactions are influenced by tree PD and a comprehensive set of environmental variables, including...

Data from: Phylogeographic structure and deep lineage diversification of the red alga Chondrus ocellatus Holmes in the Northwest Pacific

Zi-Min Hu, Jing-Jing Li, Zhong-Min Sun, Jung-Hyun Oak, Jie Zhang, Pablo Fresia, W. Stewart Grant & De-Lin Duan
A major goal of phylogeographic analysis using molecular markers is to understand the ecological and historical variables that influence genetic diversity within a species. Here, we used sequences of the mitochondrial Cox1 gene and nuclear internal transcribed spacer to reconstruct its phylogeography and demographic history of the intertidal red seaweed Chondrus ocellatus over most of its geographical range in the Northwest Pacific. We found three deeply separated lineages A, B and C, which diverged from...

Data from: Population genetic structure of Oryza rufipogon and O. nivara: implications for the origin of O. nivara

Rong Liu, Xiao-Ming Zheng, Lian Zhou, Hai-Fei Zhou & Song Ge
Ecological speciation plays a primary role in driving species divergence and adaptation. Oryza rufipogon and Oryza nivara are two incipient species at the early stage of speciation with distinct differences in morphology, life history traits and habitat preference, and therefore provide a unique model for the study of ecological speciation. However, the population genetic structure of the ancestral O. rufipogon has been controversial despite substantial study, and the origin of the derivative O. nivara remains...

Data from: Soil organic matter quantity and quality shape microbial community compositions of subtropical broadleaved forests

Junjun Ding, Yuguang Zhang, Mengmeng Wang, Xin Sun, Jing Cong, Ye Deng, Hui Lu, Tong Yuan, Joy D. Van Nostrand, Diqiang Li, Jizhong Zhou & Yunfeng Yang
As two major forest types in the subtropics, broadleaved evergreen and broadleaved deciduous forests have long interested ecologists. However, little is known about their belowground ecosystems despite their ecological importance in driving biogeochemical cycling. Here, we used Illumina MiSeq sequencing targeting 16S rRNA gene and a microarray named GeoChip targeting functional genes to analyse microbial communities in broadleaved evergreen and deciduous forest soils of Shennongjia Mountain of Central China, a region known as ‘The Oriental...

Data from: Does mixed-species flocking influence how birds respond to a gradient of land-use intensity?

Christos Mammides, Jin Chen, Uromi Manage Goodale, Sarath Wimalabandara Kotagama, Swati Sidhu & Eben Goodale
Conservation biology is increasingly concerned with preserving interactions among species such as mutualisms in landscapes facing anthropogenic change. We investigated how one kind of mutualism, mixed-species bird flocks, influences the way in which birds respond to different habitat types of varying land-use intensity. We use data from a well-replicated, large-scale study in Sri Lanka and the Western Ghats of India, in which flocks were observed inside forest reserves, in ‘buffer zones' of degraded forest or...

Data from: A high frequency of allopolyploid speciation in the gymnospermous genus Ephedra and its possible association with some biological and ecological features

Hui Wu, Zhen Ma, Ming-Ming Wang, Ai-Li Qin, Jin-Hua Ran & Xiao-Quan Wang
The origin and evolution of polyploids have been studied extensively in angiosperms and ferns but very rarely in gymnosperms. With the exception of three species of conifers, all natural polyploid species of gymnosperms belong to Ephedra, in which more than half of the species show polyploid cytotypes. Here we investigate the origin and evolution of polyploids of Ephedra distributed in the Qinghai-Tibetan Plateau (QTP) and neighboring areas. Flow cytometry (FCM) was used to measure the...

Data from: Akt-mTORC1 signaling regulates Acly to integrate metabolic input to control of macrophage activation

Anthony J. Covarrubias, Halil Ibrahim Aksoylar, Jiujiu Yu, Nathaniel W. Snyder, Andrew J. Worth, Shankar S. Iyer, Jiawei Wang, Issam Ben-Sahra, Vanessa Byles, Tiffany Polynne-Stapornkul, Erika C. Espinosa, Dudley Lamming, Brendan D. Manning, Yijing Zhang, Ian A. Blair & Tiffany Horng
Macrophage activation/polarization to distinct functional states is critically supported by metabolic shifts. How polarizing signals coordinate metabolic and functional reprogramming, and the potential implications for control of macrophage activation, remains poorly understood. Here we show that IL-4 signaling co-opts the Akt-mTORC1 pathway to regulate Acly, a key enzyme in Ac-CoA synthesis, leading to increased histone acetylation and M2 gene induction. Only a subset of M2 genes is controlled in this way, including those regulating cellular...

Data from: Bees eavesdrop upon informative and persistent signal compounds in alarm pheromones

Zhengwei Wang, Ping Wen, Yufeng Qu, Shihao Dong, Jianjun Li, Ken Tan & James C. Nieh
Pollinators such as bees provide a critical ecosystem service that can be impaired by information about predation. We provide the first evidence for olfactory eavesdropping and avoidance of heterospecific alarm signals, alarm pheromones, at food sources in bees. We predicted that foragers would eavesdrop upon heterospecific alarm pheromones, and would detect and avoid conspicuous individual pheromone compounds, defined by abundance and how long they can linger to provide warning information (volatility). We show that Apis...

Data from: Greenhouse gas emissions from reservoir water surfaces: a new global synthesis

Bridget R. Deemer, John A. Harrison, Siyue Li, Jake J. Beaulieu, Tonya DelSontro, Nathan Barros, José F. Bezerra-Neto, Stephen M. Powers, Marco A. Dos Santos & J. Arie Vonk
Collectively, reservoirs created by dams are thought to be an important source of greenhouse gases (GHGs) to the atmosphere. So far, efforts to quantify, model, and manage these emissions have been limited by data availability and inconsistencies in methodological approach. Here, we synthesize reservoir CH4, CO2, and N2O emission data with three main objectives: (1) to generate a global estimate of GHG emissions from reservoirs, (2) to identify the best predictors of these emissions, and...

Data from: Lack of genetic isolation by distance, similar genetic structuring but different demographic histories in a fig-pollinating wasp mutualism

Enwei Tian, John D. Nason, Linna Zheng, Hui Yu, Finn Kjellberg & Carlos A. Machado
Historical abiotic factors such as climatic oscillations and extreme climatic events as well as biotic factors have shaped the structuring of species’ genetic diversity. In obligate species-specific mutualisms, the biogeographic histories of the interacting species are tightly linked. This could be particularly true for nuclear genes in the Ficus-pollinating wasp mutualistic association as the insects disperse pollen from their natal tree. In this study we compare spatial genetic structure of plant and pollinator for the...

Data from: Identification and characterization of Rubisco activase genes in Oryza punctata

Si Xu, Zongyan Qin, Pi-Chang Gong, Qian-Li Dong, Ying Bao & Zong-Yan Qin
Rubisco activase (Rca), a specific chaperone, catalyzes the in vivo activation of Rubisco, and thus plays a major role in plant photosynthesis. Although the genes encoding Rubisco activase have been studied in many model or economic plants, few studies have analyzed their homologs in the plants that closely related to crop species. In this study, an Rca gene was identified and characterized in a wild relative of rice, O. punctata Kotschy ex Steud. The gene...

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