Mostrando 61 - 80 Resultados de 179 Para Buscar '"Yukon"', tiempo de consulta: 0.22s Limitar resultados
  1. 61
  2. 62
    “…We combined data extracted from community‐sourced, spatially explicit photographs with research findings from 2018 fieldwork in the Yukon, Canada, to evaluate winter coat molt patterns and phenology in mountain goats (Oreamnos americanus), a cold‐adapted, alpine mammal. …”
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  3. 63
    por McIntosh, Dave
    Publicado 1989
    Tabla de Contenidos: “…Atlantic provinces: Newfoundland -- Nova Scotia -- Prince Edward Island -- New Brunswick -- Canadas: Lower Canada -- Upper Canada -- West: Manitoba -- Saskatchewan -- Alberta -- British Columbia -- Yukon.…”
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  4. 64
    por Heisenberg, Werner
    Publicado 2001
    “…He writes on the Beta-instability of the yukon. He sends Pauli a short paper on the limitations of quantum mechanics and asks for his comments.…”
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  5. 65
    “…The aim of this study is to assess the 10‐year clinical outcome of new‐generation biodegradable polymer‐based sirolimus‐eluting stents (Yukon Choice PC) versus permanent polymer‐based everolimus‐eluting stents (XIENCE) in patients with and without diabetes mellitus. …”
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  6. 66
  7. 67
    “…Excavations conducted at Bluefish Caves (Yukon Territory) from 1977 to 1987 yielded a series of radiocarbon dates that led archaeologists to propose that the initial dispersal of human groups into Eastern Beringia (Alaska and the Yukon Territory) occurred during the Last Glacial Maximum (LGM). …”
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  8. 68
    “…By 2100, simulated Hg concentrations in the Yukon River increase by 14% for the low emissions scenario, but double for the high emissions scenario. …”
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  9. 69
    “…Simulated loadings for the Mackenzie and Yukon show reasonable agreement with estimates of DOC export for annual totals and four of the six seasonal comparisons. …”
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  10. 70
    “…The polar metabolites of wound-healing tissues from four potato cultivars with differing patterns of tuber skin russeting (Norkotah Russet, Atlantic, Chipeta, and Yukon Gold) were analyzed at three and seven days after wounding, during suberized closing layer formation and nascent wound periderm development, respectively. …”
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  11. 71
    por Potter, Christopher
    Publicado 2018
    “…BACKGROUND: In the summer of 2015, hundreds of wildfires burned across the state of Alaska, and consumed more than 1.6 million ha of boreal forest and wetlands in the Yukon–Koyukuk region. Mapping of 113 large wildfires using Landsat satellite images from before and after 2015 indicated that nearly 60% of this area was burned at moderate-to-high severity levels. …”
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  12. 72
    “…We found three spatially structured subpopulations: Western (Alaska, Yukon), Central (southeastern Yukon to the Manitoba–Ontario border), and Eastern (Manitoba–Ontario border to the Atlantic). …”
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  13. 73
    “…A total of N = 1,104 Arctic Grayling collected from two systems in Yukon were genotyped at 38 sequenced microsatellites. …”
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  14. 74
    “…Both in Yukon and globally, Ordovician through Early Devonian anoxic waters were broadly ferruginous (nonsulfidic), with a transition toward more euxinic (sulfidic) conditions in the mid–Early Devonian (Pragian), coincident with the early diversification of vascular plants and disappearance of graptolites. …”
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  15. 75
    “…Even before visibly wilting, water deficit led to the differential expression of almost 1,100 genes for an ecotype from the semi-arid, sub-arctic Yukon, Canada, but only 63 genes for an ecotype from the semi-tropical, monsoonal, Shandong, China. …”
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  16. 76
    “…Upriver movements were determined for Chinook salmon Oncorhynchus tshawytscha returning to the Yukon River, a large, virtually pristine river basin. …”
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  17. 77
    “…However, previous studies have lacked genetic sampling from areas where distinct glacial refugia have been hypothesized, including the Pacific Northwest and American Far North (Yukon, Alaska). In order to further investigate the phylogeographic history of American badgers, we collected mitochondrial DNA sequence data from ancient subfossil material collected within the historical range (Alaska, Yukon) and combined them with new and previously published data from across the species' contemporary distribution (n = 1,207). …”
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  18. 78
    por Galster, W A
    Publicado 1976
    “…The potential danger of natural mercury accumulation in the diet of the Eskimo is evaluated through mercury levels determined in cord blood, placenta, maternal blood, hair, and milk of 38 maternal-infant pairs from Anchorage and the Yukon-Kuskokwim Delta. Although mercury levels are not discernably dangerous, trends to larger accumulations in maternal and fetal RBC and placental tissue with proximity to the sea and consumption of seals during pregnancy provide the basis for considering possible indicators of neonatal involvement. …”
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  19. 79
    “…DESIGN: Twenty participants in northern BC, Yukon and NWT participated in narrative interviews. …”
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  20. 80
    “…In this article we report the first records of O. cervipedis from high latitudes of North America and its occurrence in previously unrecognized host subspecies including the Yukon-Alaska moose (Alces americanus gigas) and the Grant’s caribou (Rangifer tarandus granti). …”
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