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  1. 5461
    “…BACKGROUND: The tick Ixodes ricinus is an important vector of tick-borne diseases including Lyme borreliosis. In continental Europe, the nymphal stage of I. ricinus often has a bimodal phenology with a large spring peak and a smaller fall peak. …”
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    Beech tree masting explains the inter-annual variation in the fall and spring peaks of Ixodes ricinus ticks with different time lags
  2. 5462
    “…There is a need for local leadership, capacity building, intra-continental collaboration, and national government investment in microbiome research within Africa. …”
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    Human microbiota research in Africa: a systematic review reveals gaps and priorities for future research
  3. 5463
    “…We used data from individual satellite-tracked mallards (Anas platyrhynchos) to model the timing and environmental drivers of autumn migration movements at a continental scale. METHODS: We combined two sets of location records (2004–2007 and 2010–2011) from satellite-tracked mallards during autumn migration in the Mississippi Flyway, and identified records that indicated the start of long-range (≥ 30 km) southward movements during the migration period. …”
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    Environmental drivers of autumn migration departure decisions in midcontinental mallards
  4. 5464
    “…Shale formations underly much of the continental USA and display geographically distinct gradients in temperature and salinity. …”
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    Microbial colonization and persistence in deep fractured shales is guided by metabolic exchanges and viral predation
  5. 5465
    “…CONCLUSIONS: Assisted migration would only be an option for P. martinezii on scarce marginal sites in México, and the possibilities for P. mexicana would be continental and transcontinental translocations. This rises two possible issues for future ex situ conservation programs: the first is related to whether or not consider assisted migration to marginal sites which do not cover the main habitat requirements for the species; the second is related to which species (the local or the foreign) should be prioritized for conservation when suitable habitat is found elsewhere but is inhabited by other endemic species. …”
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    Assisted migration and the rare endemic plant species: the case of two endangered Mexican spruces
  6. 5466
    “…The objective of this study was to determine the effects of replacing dietary corn with corn bran and condensed distillers solubles (CBCDS) or wet-corn gluten feed (WCGF) on growth performance, efficiency of dietary net energy (NE) utilization, and carcass characteristics in finishing steers. British × Continental steers (n = 240; initial body weight [BW] = 401 ± 43.2 kg) were assigned to the following dietary treatments in a randomized complete block design (RCBD): 1) a control finishing diet with no corn milling coproducts; 2) a finishing diet that contained CBCDS at 20% replacement of dietary corn; and 3) a finishing diet that contained WCGF at 20% replacement of dietary corn. …”
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    Replacement of dietary corn with corn bran plus condensed distillers solubles effects on feedlot growth performance and carcass trait responses of beef steers
  7. 5467
    “…Thereby it is prospectively valuable for further hampering the ongoing transition process of epidemic to endemic, addressing the issue of inadequate monitoring, and warning us to be concerned about the cross-national, cross-regional, and cross-continental diffusions of dengue, which can potentially trigger large epidemics. …”
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    A unified global genotyping framework of dengue virus serotype-1 for a stratified coordinated surveillance strategy of dengue epidemics
  8. 5468
    “…The 1,000 Genome Project determined the sequences of both alleles of 2,500 human individuals, including roughly 500 persons from each of the five major continental regions. This rich resource shows that the ancestral alleles Y155, R270, and T348 occur in all analyzed human populations, albeit at strikingly different frequencies in various subpopulations (e.g., 25%–59% for Y155, 59%–77% for R270, and 13%–47% for T348). …”
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    Origin, distribution, and function of three frequent coding polymorphisms in the gene for the human P2X7 ion channel
  9. 5469
    “…Furthermore, it compared these data with similar continental report for 45 countries across Europe and North America including United Kingdom, Norway, Netherland, Sweden, Azerbaijan, etc. to identify at-risk sub-population for overweight and obesity among adolescents.  …”
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    Trends in prevalence of overweight and obesity among South African and European adolescents: a comparative outlook
  10. 5470
    “…Our conceptual models illustrate that if mean climate was the only factor, forests should dominate in humid continental regions and grasslands should prevail in semi‐arid regions, but that extensive mosaics would not occur. …”
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    How climate, topography, soils, herbivores, and fire control forest–grassland coexistence in the Eurasian forest‐steppe
  11. 5471
    “…BACKGROUND: West Nile virus (WNV) is the leading cause of mosquito-borne illness in the continental USA. WNV occurrence has high spatiotemporal variation, and current approaches to targeted control of the virus are limited, making forecasting a public health priority. …”
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    Evaluation of an open forecasting challenge to assess skill of West Nile virus neuroinvasive disease prediction
  12. 5472
    “…METHODS: All GPs working in NHS Family Practices in continental Portugal were invited to participate in a survey in 2021. …”
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    Access to General Practitioners during the second year of the COVID-19 pandemic in Portugal: a nationwide survey of doctors
  13. 5473
    “…Based on the Climate Research Unit land surface air temperature (CRUTEM) of monthly mean surface climate elements, the spatiotemporal distribution and variation characteristics of the Northern Hemisphere (NH) continental cold regions from 1901 to 2019 are analyzed in this study, by adopting time trend and correlation analyses. …”
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    Characteristics of the Northern Hemisphere cold regions changes from 1901 to 2019
  14. 5474
    “…The highly biologically productive northern California Current, which includes the Oregon continental shelf, is an archetypal eastern boundary region with summertime upwelling driven by prevailing equatorward winds and wintertime downwelling driven by prevailing poleward winds. …”
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    A stitch in time: Combining more than two decades of mooring data from the central Oregon shelf
  15. 5475
    “…Many wastewater treatment plants in temperate/continental climates experience seasonal cold temperature nitrification failure. …”
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    Ammonia-Oxidizing Bacteria Maintain Abundance but Lower amoA-Gene Expression during Cold Temperature Nitrification Failure in a Full-Scale Municipal Wastewater Treatment Plant
  16. 5476
    “…DESIGN, SETTING, AND PARTICIPANTS: This cross-sectional study of nursing homes in the continental western US from January 1, 2017, through December 31, 2019, was conducted using cross-sectional and survival analyses. …”
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    Assessment of Regional Nursing Home Preparedness for and Regulatory Responsiveness to Wildfire Risk in the Western US
  17. 5477
    “…Old World camels have served humans in uses such as cross-continental caravans; transporting people and goods; connecting different cultures; providing milk, meat, and wool; and serving as draught animals. …”
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    Analysis of Genetic Diversity and Population Structure of Tarim and Junggar Bactrian Camels Based on Simplified GBS Genome Sequencing
  18. 5478
    “…Using environmental DNA metabarcoding (eDNA) and baited video (BRUVS), we compared fish assemblages across five environments of different depths: coral reefs (15 m), shallow seamounts (50 m), continental slopes (150 m), intermediate seamounts (250 m), and deep seamounts (500 m). …”
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    Comparing Seamounts and Coral Reefs with eDNA and BRUVS Reveals Oases and Refuges on Shallow Seamounts
  19. 5479
    “…BACKGROUND: Castration of male cattle has been shown to elicit inflammatory reactions and acute inflammation is initiated and sustained by the participation of cytokines. METHODS: Sixty continental × beef bulls (Mean age 12 ± (s.e.) 0.2 months; Mean weight 341 ± (s.e.) 3.0 kg) were blocked by weight and randomly assigned to one of three treatments (n = 20 animals per treatment): 1) untreated control (Con); 2) banding castration at 0 min (Band); 3) Burdizzo castration at 0 min (Burd). …”
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    Temporal patterns of inflammatory gene expression in local tissues after banding or burdizzo castration in cattle
  20. 5480
    “…BACKGROUND: The New Zealand (NZ) cicada fauna contains two co-distributed lineages that independently colonized the isolated continental fragment in the Miocene. One extensively studied lineage includes 90% of the extant species (Kikihia + Maoricicada + Rhodopsalta; ca 51 spp.), while the other contains just four extant species (Amphipsalta – 3 spp. + Notopsalta – 1 sp.) and has been little studied. …”
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    Limited, episodic diversification and contrasting phylogeography in a New Zealand cicada radiation
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