27 datasets found
  1. F

    Crude Birth Rate for the United States

    • fred.stlouisfed.org
    json
    Updated Apr 16, 2025
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    (2025). Crude Birth Rate for the United States [Dataset]. https://fred.stlouisfed.org/series/SPDYNCBRTINUSA
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    jsonAvailable download formats
    Dataset updated
    Apr 16, 2025
    License

    https://fred.stlouisfed.org/legal/#copyright-public-domainhttps://fred.stlouisfed.org/legal/#copyright-public-domain

    Area covered
    United States
    Description

    Graph and download economic data for Crude Birth Rate for the United States (SPDYNCBRTINUSA) from 1960 to 2023 about birth, crude, rate, and USA.

  2. Crude birth rate in the United States 2013-2023

    • statista.com
    Updated Mar 24, 2025
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    Statista (2025). Crude birth rate in the United States 2013-2023 [Dataset]. https://www.statista.com/statistics/977333/crude-birth-rate-in-the-united-states/
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    Dataset updated
    Mar 24, 2025
    Dataset authored and provided by
    Statistahttp://statista.com/
    Area covered
    United States
    Description

    The crude birth rate in the United States declined to 10.7 live births per 1,000 inhabitants in 2023. The rate thereby reached its lowest value in recent years. The crude birth rate refers to the number of live births in a given year, expressed per 1,000 population. When studied in combination with the crude death rate, the rate of natural population increase can be determined.Find more statistics on other topics about the United States with key insights such as death rate, total fertility rate, and life expectancy of men at birth.

  3. Crude birth rate of the United States 1800-2020

    • statista.com
    Updated Aug 9, 2024
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    Statista (2024). Crude birth rate of the United States 1800-2020 [Dataset]. https://www.statista.com/statistics/1037156/crude-birth-rate-us-1800-2020/
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    Dataset updated
    Aug 9, 2024
    Dataset authored and provided by
    Statistahttp://statista.com/
    Time period covered
    1800 - 2019
    Area covered
    United States
    Description

    In the United States, the crude birth rate in 1800 was 48.3 live births per thousand people, meaning that 4.8 percent of the population had been born in that year. Between 1815 and 1825 the crude birth rate jumped from 46.5 to 54.7 (possibly due to Florida becoming a part of the US, but this is unclear), but from this point until the Second World War the crude birth rate dropped gradually, reaching 19.2 in 1935. Through the 1940s, 50s and 60s the US experienced it's baby boom, and the birth rate reached 24.1 in 1955, before dropping again until 1980. From the 1980s until today the birth rate's decline has slowed, and is expected to reach twelve in 2020, meaning that just over 1 percent of the population will be born in 2020.

  4. b

    BLM REA CBR 2010 U.S. Populated Place Points NEAR TERM - Population 10,001 -...

    • navigator.blm.gov
    Updated Aug 16, 2013
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    (2013). BLM REA CBR 2010 U.S. Populated Place Points NEAR TERM - Population 10,001 - 100,000 [Dataset]. https://navigator.blm.gov/data/SQLUQJUW_8196/blm-rea-cyr-2013-historic-mine-density
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    Dataset updated
    Aug 16, 2013
    Area covered
    United States
    Description

    Population range for each citytown. pop_4: 10,001 - 100,000

    U.S. Populated Place Points represents populated places with population projected for 2030 that include census designated places, consolidated cities, and incorporated places within United States identified by the U.S. Census Bureau.

  5. w

    Global Cbr Testing Machine Market Research Report: By Type (Portable CBR...

    • wiseguyreports.com
    Updated Jul 19, 2024
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    wWiseguy Research Consultants Pvt Ltd (2024). Global Cbr Testing Machine Market Research Report: By Type (Portable CBR Testing Machine, Fixed CBR Testing Machine, Semi-Automatic CBR Testing Machine, Fully-Automatic CBR Testing Machine), By Application (Soil Testing, Construction Materials Testing, Geotechnical Engineering, Road Construction, Dam Construction), By Capacity (Up to 50 kN, Up to 100 kN, Up to 200 kN, Over 200 kN), By Control System (Manual Control, Semi-Automatic Control, Fully-Automatic Control), By Material (Steel, Aluminum, Ceramic) and By Regional (North America, Europe, South America, Asia Pacific, Middle East and Africa) - Forecast to 2032. [Dataset]. https://www.wiseguyreports.com/reports/cbr-testing-machine-market
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    Dataset updated
    Jul 19, 2024
    Dataset authored and provided by
    wWiseguy Research Consultants Pvt Ltd
    License

    https://www.wiseguyreports.com/pages/privacy-policyhttps://www.wiseguyreports.com/pages/privacy-policy

    Time period covered
    Jan 7, 2024
    Area covered
    Global
    Description
    BASE YEAR2024
    HISTORICAL DATA2019 - 2024
    REPORT COVERAGERevenue Forecast, Competitive Landscape, Growth Factors, and Trends
    MARKET SIZE 20233.54(USD Billion)
    MARKET SIZE 20243.75(USD Billion)
    MARKET SIZE 20326.0(USD Billion)
    SEGMENTS COVEREDType ,Application ,Capacity ,Control System ,Material ,Regional
    COUNTRIES COVEREDNorth America, Europe, APAC, South America, MEA
    KEY MARKET DYNAMICSRising Infrastructure Spending Growing Demand for Road Construction Technological Advancements Stricter Regulatory Standards Increasing Focus on Sustainability
    MARKET FORECAST UNITSUSD Billion
    KEY COMPANIES PROFILEDELE International ,Ametek ,Humboldt Mfg. Co. ,Qualitest ,Proceq ,Tinius Olsen ,IPC Global ,Forney ,Geotech ,MTS Systems ,Mecmesin ,GCTS Corporation ,Controls Group ,Golder Associates ,Grad
    MARKET FORECAST PERIOD2024 - 2032
    KEY MARKET OPPORTUNITIESIncreased Infrastructure India Rising Construction Spending China Growing Roadway Network US Government Regulations Brazil Technological Advancements
    COMPOUND ANNUAL GROWTH RATE (CAGR) 6.04% (2024 - 2032)
  6. Richardson precision north central cbr USA Import & Buyer Data

    • seair.co.in
    Updated Aug 17, 2003
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    Seair Exim (2003). Richardson precision north central cbr USA Import & Buyer Data [Dataset]. https://www.seair.co.in
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    .bin, .xml, .csv, .xlsAvailable download formats
    Dataset updated
    Aug 17, 2003
    Dataset provided by
    Seair Exim Solutions
    Authors
    Seair Exim
    Area covered
    United States
    Description

    Subscribers can find out export and import data of 23 countries by HS code or product’s name. This demo is helpful for market analysis.

  7. Global import data of Honda Cbr

    • volza.com
    csv
    Updated Mar 7, 2025
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    Volza FZ LLC (2025). Global import data of Honda Cbr [Dataset]. https://www.volza.com/imports-united-states/united-states-import-data-of-honda+cbr
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    csvAvailable download formats
    Dataset updated
    Mar 7, 2025
    Dataset provided by
    Volza
    Authors
    Volza FZ LLC
    License

    Attribution 4.0 (CC BY 4.0)https://creativecommons.org/licenses/by/4.0/
    License information was derived automatically

    Variables measured
    Count of importers, Sum of import value, 2014-01-01/2021-09-30, Count of import shipments
    Description

    19 Global import shipment records of Honda Cbr with prices, volume & current Buyer's suppliers relationships based on actual Global export trade database.

  8. Curtume Cbr Ltda export shipments to United States

    • volza.com
    csv
    Updated May 30, 2025
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    Volza FZ LLC (2025). Curtume Cbr Ltda export shipments to United States [Dataset]. https://www.volza.com/exporter-to-us/curtume-cbr-ltda-43813.aspx
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    csvAvailable download formats
    Dataset updated
    May 30, 2025
    Dataset provided by
    Volza
    Authors
    Volza FZ LLC
    License

    Attribution 4.0 (CC BY 4.0)https://creativecommons.org/licenses/by/4.0/
    License information was derived automatically

    Time period covered
    2014 - Sep 30, 2021
    Area covered
    United States
    Variables measured
    Count of exporters, Count of importers, Sum of export value, Count of import shipments
    Description

    Find out details of Curtume Cbr Ltda exporting to United States.Shipments data from Global bill of Lading.

  9. Countries with the highest birth rate 2024

    • statista.com
    • ai-chatbox.pro
    Updated Jan 23, 2025
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    Statista (2025). Countries with the highest birth rate 2024 [Dataset]. https://www.statista.com/statistics/264704/ranking-of-the-20-countries-with-the-highest-birth-rate/
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    Dataset updated
    Jan 23, 2025
    Dataset authored and provided by
    Statistahttp://statista.com/
    Time period covered
    2024
    Area covered
    Worldwide
    Description

    Niger had the highest birth rate in the world in 2024, with a birth rate of 46.6 births per 1,000 inhabitants. Angola, Benin, Mali, and Uganda followed. Except for Afghanistan, all the 20 countries with the highest birth rates in the world were located in Sub-Saharan Africa. High infant mortality The reasons behind the high birth rates in many Sub-Saharan African countries are manyfold, but a major reason is that infant mortality remains high on the continent, despite decreasing steadily over the past decades, resulting in high birth rates to counter death rates. Moreover, many nations in Sub-Saharan Africa are highly reliant on small-scale farming, meaning that more hands are of importance. Additionally, polygamy is not uncommon in the region, and having many children is often seen as a symbol of status. Fastest growing populations As the high fertility rates coincide with decreasing death rates, countries in Sub-Saharan Africa have the highest population growth rates in the world. As a result, with Africa's population forecast to increase from 1.4 billion in 2022 to over 3.9 billion by 2100.

  10. Ge Grid Solutions Llc Usc Cbr Importer/Buyer Data in USA, Ge Grid Solutions...

    • seair.co.in
    Updated Feb 18, 2024
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    Seair Exim (2024). Ge Grid Solutions Llc Usc Cbr Importer/Buyer Data in USA, Ge Grid Solutions Llc Usc Cbr Imports Data [Dataset]. https://www.seair.co.in
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    .bin, .xml, .csv, .xlsAvailable download formats
    Dataset updated
    Feb 18, 2024
    Dataset provided by
    Seair Exim Solutions
    Authors
    Seair Exim
    Area covered
    United States
    Description

    Subscribers can find out export and import data of 23 countries by HS code or product’s name. This demo is helpful for market analysis.

  11. Crude birth rate of the world and continents 1950-2020

    • statista.com
    Updated Aug 9, 2024
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    Statista (2024). Crude birth rate of the world and continents 1950-2020 [Dataset]. https://www.statista.com/statistics/1038906/crude-birth-rate-world-continents-1950-2020/
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    Dataset updated
    Aug 9, 2024
    Dataset authored and provided by
    Statistahttp://statista.com/
    Area covered
    World
    Description

    From 1950 to 1955, the worldwide crude birth rate was just under 37 births per thousand people, which means that 3.7 percent of the population, who were alive during this time had been born in this five year period. Between this five year period, and the time between 2015 and 2020, the crude birth rate has dropped to 18.5 births per thousand people, which is fifty percent of what the birth rate was seventy years ago. This change has come as a result of increased access and reliability of contraception, a huge reduction in infant and child mortality rate, and increased educational and vocational opportunities for women. The continents that have felt the greatest change over this seventy year period are Asia and Latin America, which fell below the global average in the 1990s and early 2000s, and are estimated to have fallen below the crude birth rate of Oceania in the current five-year period. Europe has consistently had the lowest crude birth rate of all continents during the past seventy years, particularly in the 1990s and 2000s, when it fell to just over ten births per thousand, as the end of communism in Europe caused sweeping demographic change across Europe. The only continent that still remains above the global average is Africa, whose crude birth rate is fifteen births per thousand more than the world average, although the rate of decrease is higher than it was in previous decades.

  12. H

    Executive Agreements Database, Statement Regarding CBR Project No....

    • dataverse.harvard.edu
    Updated Dec 25, 2020
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    Oona A. Hathaway; Curtis A. Bradley; Jack L. Goldsmith (2020). Executive Agreements Database, Statement Regarding CBR Project No. CA-U.S.-A-00-0001 Arrangement Between The Secretary Of Defense On Behalf of the Department Of Defense of the United States of America and The Department Of National Defence Of Canada Concerning A Small Pox (SP) Vaccine System Development Program (SPVSD) Signed In Ontario and Virginia March 14 and 27, 2002 Entered Into Force March 27, 2002. [Dataset]. http://doi.org/10.7910/DVN/60PRRP
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    CroissantCroissant is a format for machine-learning datasets. Learn more about this at mlcommons.org/croissant.
    Dataset updated
    Dec 25, 2020
    Dataset provided by
    Harvard Dataverse
    Authors
    Oona A. Hathaway; Curtis A. Bradley; Jack L. Goldsmith
    License

    https://dataverse.harvard.edu/api/datasets/:persistentId/versions/1.0/customlicense?persistentId=doi:10.7910/DVN/60PRRPhttps://dataverse.harvard.edu/api/datasets/:persistentId/versions/1.0/customlicense?persistentId=doi:10.7910/DVN/60PRRP

    Area covered
    Canada
    Description

    KAV 6946 cover memo

  13. A Study of the Clay Coated Paper Market by Clay Coated Board Recycled (CBR)...

    • futuremarketinsights.com
    html, pdf
    Updated Mar 19, 2024
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    Future Market Insights (2024). A Study of the Clay Coated Paper Market by Clay Coated Board Recycled (CBR) and Clay Coated Recycled Multi-ply (CBO) [Dataset]. https://www.futuremarketinsights.com/reports/clay-coated-paper-market
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    pdf, htmlAvailable download formats
    Dataset updated
    Mar 19, 2024
    Dataset authored and provided by
    Future Market Insights
    License

    https://www.futuremarketinsights.com/privacy-policyhttps://www.futuremarketinsights.com/privacy-policy

    Time period covered
    2024 - 2034
    Area covered
    Worldwide
    Description

    The clay coated paper market is anticipated to be worth US$ 2.1 billion in 2024. The market is expected to grow at a steady rate over the period from 2024 to 2034, with a CAGR of 3.0%. By the end of the forecast period, the market value is predicted to hit US$ 2.8 billion.

    AttributesDetails
    Clay Coated Paper Market Value for 2024US$ 2.1 billion
    Projected Market Value for 2034US$ 2.8 billion
    Value-based CAGR of Market for 2024 to 20343.0%

    Category-wise Outlook

    AttributesDetails
    Top MaterialClay Coated Board Recycled (CBR)
    Market Share (2024)76.1%
    AttributesDetails
    Top ApplicationRelease Liners
    Market Share (2024)33.1%

    Country-wise Analysis

    CountriesCAGR
    Spain2.1%
    South Korea2.4%
    Thailand4.1%
    China4.7%
    India6.4%
  14. b

    BLM REA CBR 2010 Mule Deer Habitat of North America Yearround

    • navigator.blm.gov
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    BLM REA CBR 2010 Mule Deer Habitat of North America Yearround [Dataset]. https://navigator.blm.gov/data/SQLUQJUW_7676/blm-rea-sod-2010-difference-of-spring-apr-jun-precipitation-2015-2030-vs-1968-1999-simulated-by-regcm3-with-echam5-projections-as-boundary-conditions-western-us
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    Area covered
    North America
    Description

    This database contains GIS datasets representing the distribution of mule deer habitat throughout the United States and Canada (Alberta amp; Saskatewan only). Mule deer habitat is divided into 6 separate GIS layers corresponding to 6 types of mule deer habitat: 1)limited range, 2) summer range, 3) other important habitat, 4) winter range, 5) winter concentration, and 6) year-round population. Information on mule deer limiting factors associated with each habitat type is provided within the GIS datasets. Habitat delineations were identified through a Delphi process on a state-by-state basis and were subsequently tablet-digitized from 1:250,000 scale maps.

  15. b

    BLM REA MBR 2010 mtbs perims Clip CBR

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    BLM REA MBR 2010 mtbs perims Clip CBR [Dataset]. https://navigator.blm.gov/data/SQLUQJUW_4173/blm-rea-wyb-2011-golden-eagle-fire
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    Description

    The Monitoring Trends in Burn Severity (MTBS) project assesses the frequency, extent, and magnitude (size and severity) of all large wildland fires (includes wildfire, wildland fire use, and prescribed fire) in the conterminous United States (CONUS), Alaska, Hawaii, and Puerto Rico for the period of 1984 through 2010. All fires reported as greater than 1,000 acres in the western U.S. and greater than 500 acres in the eastern U.S. are mapped across all ownerships. MTBS produces a series of geospatial and tabular data for analysis at a range of spatial, temporal, and thematic scales and are intended to meet a variety of information needs that require consistent data about fire effects through space and time. This map layer is a vector polygon shapefile of the burned area extent of all currently inventoried and mappable MTBS fires occurring between calendar year 1984 and 2007 for the continental United States, Alaska, Hawaii and Puerto Rico.

  16. w

    Global Cbr Mould Market Research Report: By Material (Steel, Aluminum,...

    • wiseguyreports.com
    Updated Jul 19, 2024
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    wWiseguy Research Consultants Pvt Ltd (2024). Global Cbr Mould Market Research Report: By Material (Steel, Aluminum, Polypropylene, ABS Plastic, Fiberglass), By Application (Automotive, Aerospace, Medical, Electronics, Construction), By Mold Size (Small (less than 1000 mm), Medium (1000-2000 mm), Large (over 2000 mm)), By Cavitation (Single Cavity, Multiple Cavity, Family Mold), By Manufacturing Process (Injection Molding, Blow Molding, Compression Molding, Transfer Molding) and By Regional (North America, Europe, South America, Asia Pacific, Middle East and Africa) - Forecast to 2032. [Dataset]. https://www.wiseguyreports.com/cn/reports/cbr-mould-market
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    Dataset updated
    Jul 19, 2024
    Dataset authored and provided by
    wWiseguy Research Consultants Pvt Ltd
    License

    https://www.wiseguyreports.com/pages/privacy-policyhttps://www.wiseguyreports.com/pages/privacy-policy

    Time period covered
    Jan 7, 2024
    Area covered
    Global
    Description
    BASE YEAR2024
    HISTORICAL DATA2019 - 2024
    REPORT COVERAGERevenue Forecast, Competitive Landscape, Growth Factors, and Trends
    MARKET SIZE 20233.17(USD Billion)
    MARKET SIZE 20243.27(USD Billion)
    MARKET SIZE 20324.2(USD Billion)
    SEGMENTS COVEREDMaterial ,Application ,Mold Size ,Cavitation ,Manufacturing Process ,Regional
    COUNTRIES COVEREDNorth America, Europe, APAC, South America, MEA
    KEY MARKET DYNAMICSGrowing construction sector Increasing demand for concrete Technological advancements Environmental concerns Rising disposable income
    MARKET FORECAST UNITSUSD Billion
    KEY COMPANIES PROFILEDFabreeka ,DME ,Cytec Industries ,AG Industries ,Composite Mold Engineering ,DK Composites ,Allied Mould & Tool ,Innovatek Engineering ,Advanced Mold Technologies ,BryAir ,AzTech Tooling ,MTI Composites ,Karyon Technologies ,Fiber Innovations
    MARKET FORECAST PERIOD2024 - 2032
    KEY MARKET OPPORTUNITIESCarbon Fiber Reinforced Plastics CFRP Demand in Automotive Growing Aerospace Composites Market Infrastructure and Construction Developments Wind Energy Turbines Market Medical Devices and Implants
    COMPOUND ANNUAL GROWTH RATE (CAGR) 3.17% (2024 - 2032)
  17. b

    BLM REA CBR 2010 Aspect 100m National Elevation Dataset

    • navigator.blm.gov
    Updated Apr 1, 2012
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    (2012). BLM REA CBR 2010 Aspect 100m National Elevation Dataset [Dataset]. https://navigator.blm.gov/data/SQLUQJUW_7170/blm-rea-mar-2012-ecological-status-assessment-4km-nectivorous-bat-assemblage
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    Dataset updated
    Apr 1, 2012
    Description

    The National Elevation Dataset (NED) is the primary elevation data product produced and distributed by the USGS. The NED provides the best available public domain raster elevation data of the conterminous United States, Alaska, Hawaii, and territorial islands in a seamless format. The NED is derived from diverse source data, processed to a common coordinate system and unit of vertical measure. All NED data are distributed in geographic coordinates in units of decimal degrees, and in conformance with the North American Datum of 1983 (NAD 83). All elevation values are provided in units of meters, and are referenced to the North American Vertical Datum of 1988 (NAVD 88) over the conterminous United States. The vertical reference will vary in other areas. NED data are available nationally at resolutions of 1 arc-second (approx. 30 meters) and 13 arc-second (approx. 10 meters), and in limited areas at 19 arc-second (approx. 3 meters). At present, the bulk of Alaska is only available at a 2 arc-second (approx. 60 meters) resolution, owing to a lack of higher resolution source data, though some areas are available at resolutions of 1 and 13 arc-second with plans for significant upgrades of the state over the next five years. The NED is updated on a nominal two month cycle to integrate newly available, improved elevation source data.

  18. b

    BLM REA CBR 2010 Location and Density of private land housing units across...

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    BLM REA CBR 2010 Location and Density of private land housing units across the Central Great Basin and Range Ecosystem (CBR) (bhc2010bc) [Dataset]. https://navigator.blm.gov/data/SQLUQJUW_2556/blm-rea-wyb-2011-ch28-mule-deer
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    Area covered
    Great Basin
    Description

    This dataset represents the location and density of private land housing units across the Central Great Basin and Range Ecosystem (CBR) ecosystem for 2010. This dataset was clipped from a national coverage and reprojected.

    This dataset was created by Dr. Dave Theobald, Colorado State University. The dataset was clipped, reprojected and evaluated by NatureServe for use the BLMs MBR Rapid Ecological Assessment.

    The source contact for this dataset is Dr. David M. Theobald, Colorado State University. davet@cnr.colostate.edu.

    This raster dataset is a classification of bhdXXXXbc (base case scenario) from ICLUS v1.2 which is produced using the SERGoM v3 model, depicts housing density for the coterminous US in 2000, based on 2000 US Census Bureau block (SF1) datasets. (The classication is shown below.) A raster layer that portrays not-developed (and assumed to be undevelopable) called DEV20091024_depicts protectedunprotected lands and Census water polygons. Land was removed from blocks (reducing the area of a block, but not its number of housing units -- assuming that private housing units must be on private land) that was public andor protected.

    Classification of housing density Class: units * 1000 per ha NODATA: undevelopable, public, protected 0: lt;=1 undeveloped private 1: 2 - 15 gt;160 ac per unit 2: 16 - 31 80-160 ac per unit 3: 32 - 62 40-80 ac per unit 4: 63 - 124 20-40 ac per unit 5: 125 - 247 10-20 ac per unit 6: 248 - 494 5-10 ac per unit 7: 495 - 1454 1.7-5 ac per unit 8: 1455 - 4942 0.5-1.6 ac per unit 9: 4943 - 12355 2-5 units per ac 10: 12356 - 24711 5-10 units per ac 11: 24712 - 9999999 gt;10 units per ac 12: Industrialcommercialinstitutional 13: Urbanregional parks

  19. b

    BLM REA CBR 2010 bhc2010bc

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    BLM REA CBR 2010 bhc2010bc [Dataset]. https://navigator.blm.gov/data/SQLUQJUW_8066/blm-rea-chd-2012-ose-wells-nm
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    Description

    This raster dataset is a classification of bhdXXXXbc (base case scenario) from ICLUS v1.2 which is produced using the SERGoM v3 model, depicts housing density for the coterminous US in 2000, based on 2000 US Census Bureau block (SF1) datasets. (The classication is shown below.) A raster layer that portrays not-developed (and assumed to be undevelopable) called DEV20091024_depicts protectedunprotected lands and Census water polygons. Land was removed from blocks (reducing the area of a block, but not its number of housing units -- assuming that private housing units must be on private land) that was public andor protected. Classification of housing density Class: units * 1000 per ha NODATA: undevelopable, public, protected 0: 160 ac per unit 2: 16 - 31 80-160 ac per unit 3: 32 - 62 40-80 ac per unit 4: 63 - 124 20-40 ac per unit 5: 125 - 247 10-20 ac per unit 6: 248 - 494 5-10 ac per unit 7: 495 - 1454 1.7-5 ac per unit 8: 1455 - 4942 0.5-1.6 ac per unit 9: 4943 - 12355 2-5 units per ac 10: 12356 - 24711 5-10 units per ac 11: 24712 - 9999999 gt;10 units per ac 12: Industrialcommercialinstitutional 13: Urbanregional parks

  20. b

    BLM REA CBR 2010 thermotypes 100M

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    BLM REA CBR 2010 thermotypes 100M [Dataset]. https://navigator.blm.gov/data/SQLUQJUW_8544/blm-rea-ngb-2014-nv-n-sagebrush-regime-rcp45-800m-img
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    Description

    FINALthermotypes data aligned with NLCD - use this for data distribution

    Backup: done in EcoSys6 (R:)

    The U.S. Geological Survey (USGS) has generated and mapped isobioclimate classes for the contiguous United States. These isobioclimate classes were created as part of an effort to map standardized, terrestrial ecosystems for the nation using a classification developed by NatureServe (Comer and others, 2003). Ecosystem distributions were modeled using a biophysical stratification approach developed for South America (Sayre and others, 2008) and now being implemented globally (Sayre and others, 2007). Bioclimate regimes strongly influence the differentiation and distribution of terrestrial ecosystems, and are one of the key input layers in the ecosystem delineation process.

    The Rivas-Mart#237;nez methodology used to produce these classes was developed from a consideration of bioclimatology and its relationship to phytogeography (Rivas-Mart#237;nez, 2004; Rivas-Mart#237;nez and others, 1999, 2004). This approach develops a number of bioclimatic indices calculated from a variety of data on temperature and precipitation (e.g. average temperature of the coldest month, total precipitation of the warmest four-month period, a continentality index and a thermicity index). Daymet data, which was developed from 18-year (1980-1997) climatological records and is available at a spatial resolution of 1 kilometer, was used as the source data for these indices (Thornton, 1997). Once calculated the values of these indices are compared to established thresholds for the differentiation of thermotypic (warmcold gradients) and ombrotypic (wetdry gradients) regions, and the results are used in sets of decision rules to identify classes. The classification is implemented in four levels: macrobioclimates, bioclimates, thermotypes (thermoclimatic belts) and ombrotypes (ombroclimatic belts). The final isobioclimates dataset represents areas of the 127 unique thermotype-ombrotype combinations that were mapped for the contiguous United States.

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(2025). Crude Birth Rate for the United States [Dataset]. https://fred.stlouisfed.org/series/SPDYNCBRTINUSA

Crude Birth Rate for the United States

SPDYNCBRTINUSA

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11 scholarly articles cite this dataset (View in Google Scholar)
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Dataset updated
Apr 16, 2025
License

https://fred.stlouisfed.org/legal/#copyright-public-domainhttps://fred.stlouisfed.org/legal/#copyright-public-domain

Area covered
United States
Description

Graph and download economic data for Crude Birth Rate for the United States (SPDYNCBRTINUSA) from 1960 to 2023 about birth, crude, rate, and USA.

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