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656 results for “Northern China”
CSR strategy shifts under biotic resistance and grazing drive invasion success of <em>Solanum rostratum</em> in northern China
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Population differentiation and intraspecific genetic admixture in two Eucryptorrhynchus weevils (Coleoptera: Curculionidae) across northern China
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Distribution range and richness of plant species are predicted to increase by 2100 due to a warmer and wetter climate in northern China
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PLATE VII. Species of the low elevation deserts in China (A-D) and northern Caspian Basin in Russia (E-F). (A) P. przewalskii-3; (B) habitat of A, Shapatou (foreground), Yellow River, Gobi Desert, Ningxia; (C) P. salenskyi-1; (D) habitat of C, near Jimsar, Junggar Depression, Xinjiang; (E) P. guttatus; and (F) habitat of E, west side of Caspian Sea in Dagestan. in A molecular phylogenetic hypothesis for the Asian agamid lizard genus Phrynocephalus reveals discrete biogeographic clades implicated by plate tectonics
PLATE VII. Species of the low elevation deserts in China (A-D) and northern Caspian Basin in Russia (E-F). (A) P. przewalskii-3; (B) habitat of A, Shapatou (foreground), Yellow River, Gobi Desert, Ningxia; (C) P. salenskyi-1; (D) habitat of C, near Jimsar, Junggar Depression, Xinjiang; (E) P. guttatus; and (F) habitat of E, west side of Caspian Sea in Dagestan.
FIGURE 1 in A new species of Diphascon (Tardigrada: Hypsibiidae) from Northern China supported by integrated taxonomy
FIGURE 1. Diphascon wuyingensis sp. nov.—habitus: A—dorso-ventral projection (holotype, PCM); B—bucco-pharyngeal tube (paratype, lateral view, NCM; the arrow indicates the drop-shaped formation); C—pharynx (paratype, PCM; the arrow indicates the pharynx). Scale bars in μm.
FIGURE 3 in A new species of Diphascon (Tardigrada: Hypsibiidae) from Northern China supported by integrated taxonomy
FIGURE 3. Diphascon wuyingensis sp. nov.—claws seen in SEM: A—claws II; B—claws III (the arrow indicates accessory points). Scale bars in μm.
FIGURE 2 in A new species of Diphascon (Tardigrada: Hypsibiidae) from Northern China supported by integrated taxonomy
FIGURE 2. Diphascon wuyingensis sp. nov.—claws seen in PCM: A—claws I; B—claws II; C—claws III; D—claws IV. Scale bar in μm (all photos in the same magnification).
FIGURES 6–10 in Two new species and new record of Amphinemura (Plecoptera: Nemouridae) from northern China
FIGURES 6–10. Amphinemura changbaishana sp. nov., male. 6. Epiproct, dorsal view. 7. Epiproct, lateral view. 8. Paraprocts, caudal view. 9. Right paraproct, dorsal view. 10. Right paraproct, lateral view.
FIGURES 1–5 in Two new species and new record of Amphinemura (Plecoptera: Nemouridae) from northern China
FIGURES 1–5. Amphinemura changbaishana sp. nov., male. 1. Terminalia, dorsal view. 2. Terminalia, ventral view. 3. Terminalia, lateral view. 4. Epiproct, dorsal view. 5. Head, dorsal view.
Data support to Characteristics of persistent heavy fog events retrieved by microwave radiometer profiler during 2010–2013 in northern China
<p>The dataset include the observation data from microwave radiometer, tethered balloon and the surface.</p>
Data from: Litter addition decreases plant diversity by suppressing seeding in a semi-arid grassland, Northern China
Plant community diversity is conducive to maintain the regional ecosystems stability and ecosystem services. Seed germination is one of the main ways to regulate plant diversity, owing to seedling recruitment as a basis for plant community renewal. However, the exact mechanism of how plant litter affects seedling recruitment and species richness is not yet fully understood. Therefore, a litter addition and removal experiment were established in a semiarid grassland to study the effects of plant litter on seedling recruitment and species richness from April to August in 2016 and 2017 in Northern China. The positive correlation between species richness and seedling recruitment indicated that a guarantee of seedling recruitment was the main precondition to protect species richness. Adding rather than removing litter significantly reduced species richness. Litter addition inhibited species richness by directly increasing mechanical damage or indirectly reducing photosynthetically active radiation and seedling recruitment. The results of this study are conducive to understand the evolutionary and regulatory mechanisms of community species richness and seedling recruitment in grassland ecosystems after adding or removing plant litter.
An Anisian peripheral foreland basin in the northern Yangtze Block, implications for the collision between the South and North China Blocks
<p>LA-ICP-MS zircon U-Pb isotopic data for the sandstone samples from the Middle to Upper Triassic successions in the northern Sichuan Basin and Zigui Basin.</p> <p>Four sandstone samples were collected from the lowermost Upper Triassic strata that unconformably overlie the Leikoupo Formation for detrital zircon analysis. The Upper Triassic Xujiahe Formation is generally considered to mark the transition from a marine platform to a terrestrial basin on the upper Yangtze Block (Meng et al., 2005). In the Guangyuan and Wangcang areas, we collected three sandstone samples from the lower portion of the Xujiahe Formation. At the Ma’antang train station, we collected one sandstone sample from the Ma’antang Formation, which is a transitional deposit from marine to terrestrial environments in front of Longmen Shan.</p> <p>The analysis was conducted with laser ablation inductively coupled plasma mass spectrometer (LA-ICPMS) at the Key Laboratory of Continental Collision and Plateau Uplift, Chinese Academy of Sciences (CAS). Analytical methods were described in detail by Cai et al. (2012) and are briefly described here. A total of 362 zircon grains from 4 samples produced data of sufficient precision for geochronological interpretation.</p>
Data from: The effects of climate warming on the migratory status of early summer populations of Mythimna separata(Walker) moths: a case-study of enhanced corn damage in central-northern China, 1980 - 2016
Mythimna separata (Walker) moths captured in light-traps were monitored in Luohe, central-northern China, from 1980 to 2016. Annual average temperature recorded an increase of 0.298 oC/10 years in this region in the period. Our results indicate that a rising Apr and May avarage temprature and earlier occurrences of days recording the highest day temperature (30℃) caused an advanced peak and increasing proportion of high ovarian development levels of first generation females in earlier summers. Results using Johnson's formulation of 'oogenesis-flight syndrome' indicate that increasing sexual maturity proportion has resulted in more emigrant individuals in the local first generaton moth becoming residents, and then increased individuls repidly in the local second generation moth since 2006. Consequences of this action have a boom in corn damage since 2007 in this region. Advanced peak dates of the first and second generation moth revealed the same response to increasing average monthly temperatures in the monitoring period. Increasing temperatures, the avarage May temperature exceeds or equal to 22℃, during the early 2000's may represent a physiological threshold for M. separata development. Our results suggest that climate warming may impact M. separata migratory status and cause a problem of crop production in this region.
Immigration of Sogatella furcifera from the Greater Mekong Subregion into northern China revealed by 2b-RAD sequencing
Background The white-backed planthopper (WBPH), Sogatella furcifera (Horváth) (Hemiptera, Delphacidae), is a migratory pest of rice in Asia. Shandong Province, in northern China, is located on the migration pathway of WBPH between southern and northeast China. The potential sources of WBPH in northern China are poorly understood. We studied the sources of WBPH in Shandong Province by determining the population genetic structure of WBPH in 18 sites distributed in Shandong and in six regions of the Greater Mekong Subregion (GMS). We used mitochondrial gene and single-nucleotide polymorphism (SNP) markers (2b-RAD sequencing) for analysis. Results All of the WBPH populations studied in the seven regions had low genetic diversity. Pairwise F ST values ranged from -0.061 to 0.285, while F ST based on SNP data ranged from -0.007 to 0.009. These two molecular markers revealed that 4.40% (mtDNA) and 0.19% (SNP) genetic variation could be explained by the interpopulation variation, while the rest came from intrapopulation variation. The populations in the seven geographic regions comprised four hypothetical genetic clusters (K = 4) not associated with geographic location. Eighty-four of 129 individuals distributed across the given area were designated as recent migrants or of admixed ancestry. Although the substantial migration presented, a weak but significant correlation between genetic and geographic distances was found (r = 0.083, P = 0.004). Conclusion GMS was the main source of WBPH in Shandong, while other source populations may also exist. The genetic structure of WBPH is shaped by both migration and geographic barriers. These results help clarify the migration route and the source of WBPH in northern China.
Aridity mediates biocrusts' effects on soil multifunctionality in northern China
<p>1. Soil biocrusts, as the fundamental component of drylands, alter soil microbial and plant community compositions, thus profoundly affecting soil multifunctionality (SMF). Biocrust development regulates microbial composition and eco-physiological effects, but there have been limited assessments regarding how biocrust development impacts SMF through microbial communities and plant species.</p> <p>2. We investigated the geographic patterns of plant diversity, soil bacterial diversity, biocrust development, and SMF along an aridity gradient, spanning 2,200 km in northern China, and evaluated how biocrust development modulated multiple soil functions related to carbon, nitrogen, and phosphorus cycles.</p> <p>3. Plant species richness and SMF decreased linearly with increasing aridity (1-AI), but the relationship of soil bacterial diversity and biocrust development index (BSCDI) with aridity differed between arid region and semi-arid region.</p> <p>4. Plant diversity and soil bacterial diversity increased linearly with BSCDI in arid regions, but decreased linearly with BSCDI in semi-arid regions.</p> <p>5. Both plant species and soil bacterial diversity exerted positive effects on SMF in arid regions, but soil bacterial diversity, rather than plant species, did not explain any variation in SMF in semi-arid regions. Most importantly, biocrust development exerted direct effects on SMF in arid regions, but only indirect effects through changing soil microbial biomass carbon in semi-arid regions.</p> <p>6. Our findings suggest that the effects and influencing pathways of biocrusts on SMF are different between arid and semi-arid regions, these results give a comprehensive view of how biocrust development facilitates soil multifunctionality improvement and ultimately promote a deeper understanding of the dependence of biodiversity-SMF relationship on aridity.</p>
FIGURE 6 in Three new cave species of the subgenus Tachycines (Gymnaeta) (Orthoptera Rhaphidophoridae: Aemodogryllinae) from northern Guizhou, China
FIGURE 6. Tachycines (Gymnaeta) tongrenus sp. nov. (female). A. habitus, dorsal view; B. habitus, lateral view; C. habitus, ventral view; D. ovipositor, lateral view; E. subgenital plate, ventral view.
FIGURE 3 in Three new cave species of the subgenus Tachycines (Gymnaeta) (Orthoptera Rhaphidophoridae: Aemodogryllinae) from northern Guizhou, China
FIGURE 3. Tachycines (Gymnaeta) shuangcha sp. nov. (male). A. habitus, dorsal view; B. habitus, lateral view; C. habitus, ventral view; D. vertex of head, showing conical tubercles; E. hind tarsus, lateral view; F. genitalia, dorsal view; G. genitalia, ventral view.
FIGURE 2 in Three new cave species of the subgenus Tachycines (Gymnaeta) (Orthoptera Rhaphidophoridae: Aemodogryllinae) from northern Guizhou, China
FIGURE 2. Tachycines (Gymnaeta) zaoshu sp. nov. (female). A. habitus, dorsal view; B. habitus, lateral view; C. habitus, ventral view; D. ovipositor, lateral view; E. subgenital plate, ventral view.
FIGURE 1 in Three new cave species of the subgenus Tachycines (Gymnaeta) (Orthoptera Rhaphidophoridae: Aemodogryllinae) from northern Guizhou, China
FIGURE 1. Tachycines (Gymnaeta) zaoshu sp. nov. (male). A. habitus, dorsal view; B. habitus, lateral view; C. habitus, ventral view; D. vertex of head, showing conical tubercles; E. hind tarsus, lateral view; F. genitalia, dorsal view; G. genitalia, ventral view.
FIGURE 5 in Three new cave species of the subgenus Tachycines (Gymnaeta) (Orthoptera Rhaphidophoridae: Aemodogryllinae) from northern Guizhou, China
FIGURE 5. Tachycines (Gymnaeta) tongrenus sp. nov. (male). A. habitus, dorsal view; B. habitus, lateral view; C. habitus, ventral view; D. vertex of head, showing conical tubercles; E. hind tarsus, lateral view; F. genitalia, dorsal view; G. genitalia, ventral view.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.