6 datasets found
  1. d

    Genotyping-by-sequencing of harbour seal Phoca vitulina from northern...

    • b2find.dkrz.de
    Updated Jul 1, 2024
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    (2024). Genotyping-by-sequencing of harbour seal Phoca vitulina from northern British Columbia through California and comparison to Newfoundland and Quebec - Dataset - B2FIND [Dataset]. https://b2find.dkrz.de/dataset/e82baa9f-c119-533e-8ede-10c05d892eda
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    Dataset updated
    Jul 1, 2024
    Area covered
    Newfoundland and Labrador, British Columbia
    Description

    This study uses double-digest restriction-site associated (RAD)-sequencing to genotype harbour seal individuals from multiple locations on the west and east coast of Canada. Samples were obtained from California, Oregon, and southern and northern British Columbia, as well as Quebec, Newfoundland and Labrador. Goals included characterization of population structure, comparative genomic diversity from different populations, and identification of differentiating and high heterozygosity markers for future tool development.

  2. A

    Distribution abundance and survival of cackling canada geese 1982 to 1987

    • data.amerigeoss.org
    • datadiscoverystudio.org
    • +1more
    pdf
    Updated Jul 27, 2019
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    United States[old] (2019). Distribution abundance and survival of cackling canada geese 1982 to 1987 [Dataset]. https://data.amerigeoss.org/es/dataset/distribution-abundance-and-survival-of-cackling-canada-geese-1982-to-1987
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    pdfAvailable download formats
    Dataset updated
    Jul 27, 2019
    Dataset provided by
    United States[old]
    Description

    A total of 3, 635 cackling Canada geese Branta canadensis minima) were marked with individually identifiable neck-bands between summer 1982 and summer 1987. Resightings of marked birds during winter were used for estimating the size of the population in autumn and the proportion of the population that used the Klamath Basin (KB) of California. Air and ground censuses and air photos were also used to estimate numbers of geese in various locations.

  3. d

    Sage Grouse Lek Components (2003-2007)

    • dataone.org
    Updated Oct 29, 2016
    + more versions
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    Steven E. Hanser (2016). Sage Grouse Lek Components (2003-2007) [Dataset]. https://dataone.org/datasets/13d6b206-17e6-4428-a5c8-022b811bf951
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    Dataset updated
    Oct 29, 2016
    Dataset provided by
    United States Geological Surveyhttp://www.usgs.gov/
    Authors
    Steven E. Hanser
    Time period covered
    Jan 1, 2003 - Dec 31, 2007
    Area covered
    Variables measured
    FID, AREA, Shape, dPC100k
    Description

    Greater sage-grouse population components devrived using an 18-km maximum connection distance. Analysis was conducted using the CONEFOR SENSINODE 2.2 software package and this dataset was developed from lek data obtained from the state wildlife agencies. Components containing < 5 leks have been removed in order to protect the location of single or small groups of leks.

  4. d

    Population structure, genetic connectivity, and adaptation in the Olympia...

    • b2find.dkrz.de
    Updated Jul 1, 2024
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    (2024). Population structure, genetic connectivity, and adaptation in the Olympia oyster (Ostrea lurida) along the west coast of North America - Dataset - B2FIND [Dataset]. https://b2find.dkrz.de/dataset/2d52602d-a2ab-5a35-bff2-3d418077ede5
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    Dataset updated
    Jul 1, 2024
    Description

    Effective management of threatened and exploited species requires an understanding of both the genetic connectivity among populations and local adaptation. The Olympia oyster (Ostrea lurida), patchily distributed from Baja California to the central coast of Canada, has a long history of population declines due to anthropogenic stressors. For such coastal marine species, population structure could follow a continuous isolation-by-distance model, contain regional blocks of genetic similarity separated by barriers to gene flow, or be consistent with a null model of no population structure. To distinguish between these hypotheses in O. lurida, 13,424 single-nucleotide polymorphisms (SNPs) were used to characterize rangewide population structure, genetic connectivity, and adaptive divergence. Samples were collected across the species range on the west coast of North America, from southern California to Vancouver Island. A conservative approach for detecting putative loci under selection identified 235 SNPs across 129 GBS loci, which were functionally annotated and analyzed separately from the remaining neutral loci. While strong population structure was observed on a regional scale in both neutral and outlier markers, neutral markers had greater power to detect fine-scale structure. Geographic regions of reduced gene flow aligned with known marine biogeographic barriers, such as Cape Mendocino, Monterey Bay, and the currents around Cape Flattery. The outlier loci identified as under putative selection included genes involved in developmental regulation, sensory information processing, energy metabolism, immune response, and muscle contraction. These loci are excellent candidates for future research and may provide targets for genetic monitoring programs. Beyond specific applications for restoration and management of the Olympia oyster, this study lends to the growing body of evidence for both population structure and adaptive differentiation across a range of marine species exhibiting the potential for panmixia.

  5. Reddit users in the United States 2019-2028

    • statista.com
    Updated Jun 13, 2024
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    Statista Research Department (2024). Reddit users in the United States 2019-2028 [Dataset]. https://www.statista.com/topics/3196/social-media-usage-in-the-united-states/
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    Dataset updated
    Jun 13, 2024
    Dataset provided by
    Statistahttp://statista.com/
    Authors
    Statista Research Department
    Area covered
    United States
    Description

    The number of Reddit users in the United States was forecast to continuously increase between 2024 and 2028 by in total 10.3 million users (+5.21 percent). After the ninth consecutive increasing year, the Reddit user base is estimated to reach 208.12 million users and therefore a new peak in 2028. Notably, the number of Reddit users of was continuously increasing over the past years.User figures, shown here with regards to the platform reddit, have been estimated by taking into account company filings or press material, secondary research, app downloads and traffic data. They refer to the average monthly active users over the period and count multiple accounts by persons only once. Reddit users encompass both users that are logged in and those that are not.The shown data are an excerpt of Statista's Key Market Indicators (KMI). The KMI are a collection of primary and secondary indicators on the macro-economic, demographic and technological environment in up to 150 countries and regions worldwide. All indicators are sourced from international and national statistical offices, trade associations and the trade press and they are processed to generate comparable data sets (see supplementary notes under details for more information).Find more key insights for the number of Reddit users in countries like Mexico and Canada.

  6. Twitter users in the United States 2019-2028

    • statista.com
    Updated Jun 13, 2024
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    Twitter users in the United States 2019-2028 [Dataset]. https://www.statista.com/topics/3196/social-media-usage-in-the-united-states/
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    Dataset updated
    Jun 13, 2024
    Dataset provided by
    Statistahttp://statista.com/
    Authors
    Statista Research Department
    Area covered
    United States
    Description

    The number of Twitter users in the United States was forecast to continuously increase between 2024 and 2028 by in total 4.3 million users (+5.32 percent). After the ninth consecutive increasing year, the Twitter user base is estimated to reach 85.08 million users and therefore a new peak in 2028. Notably, the number of Twitter users of was continuously increasing over the past years.User figures, shown here regarding the platform twitter, have been estimated by taking into account company filings or press material, secondary research, app downloads and traffic data. They refer to the average monthly active users over the period.The shown data are an excerpt of Statista's Key Market Indicators (KMI). The KMI are a collection of primary and secondary indicators on the macro-economic, demographic and technological environment in up to 150 countries and regions worldwide. All indicators are sourced from international and national statistical offices, trade associations and the trade press and they are processed to generate comparable data sets (see supplementary notes under details for more information).Find more key insights for the number of Twitter users in countries like Canada and Mexico.

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    Learn how you can add new datasets to our index.

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(2024). Genotyping-by-sequencing of harbour seal Phoca vitulina from northern British Columbia through California and comparison to Newfoundland and Quebec - Dataset - B2FIND [Dataset]. https://b2find.dkrz.de/dataset/e82baa9f-c119-533e-8ede-10c05d892eda

Genotyping-by-sequencing of harbour seal Phoca vitulina from northern British Columbia through California and comparison to Newfoundland and Quebec - Dataset - B2FIND

Explore at:
Dataset updated
Jul 1, 2024
Area covered
Newfoundland and Labrador, British Columbia
Description

This study uses double-digest restriction-site associated (RAD)-sequencing to genotype harbour seal individuals from multiple locations on the west and east coast of Canada. Samples were obtained from California, Oregon, and southern and northern British Columbia, as well as Quebec, Newfoundland and Labrador. Goals included characterization of population structure, comparative genomic diversity from different populations, and identification of differentiating and high heterozygosity markers for future tool development.

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