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Florida Bay Stable Isotope Data Everglades National Park (FCE LTER), Florida, USA, September 2000 - ongoing


At a Glance


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Authors: James Fourqurean
Time period: 2000-09-10 to 2024-05-03
Package id: knb-lter-fce.1131.10
Dataset id: LT_PP_Fourqurean_003

How to cite:
Fourqurean, J.. 2024. Florida Bay Stable Isotope Data Everglades National Park (FCE LTER), Florida, USA, September 2000 - ongoing. Environmental Data Initiative. https://doi.org/10.6073/pasta/cb5734d20d8be6a8060b6bd62f179b2a. Dataset accessed 2024-11-21.

Geographic Coverage


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Detailed Metadata


  • Dataset Creator(s)
    • Name: Dr. James Fourqurean 
    • Position: Principal Investigator
    • Organization: Florida Coastal Everglades LTER Program
    • Address: Florida International University
      11200 SW 8th Street, OE 148
      Miami, FL 33199 USA
    • Phone: 305-348-4084
    • Email: fourqure@fiu.edu
    • URL: https://seagrass.fiu.edu

  • Dataset Abstract
    13C and 15N stable isotope data from seagrasses collected during visits to FCE LTER core research sites TS/Ph7a, TS/Ph8, TS/Ph9, TS/Ph10 and TS/Ph11.
  • Geographic Coverage
    Study Extent Description
    The Study Extent of this dataset includes the FCE Florida Bay research sites within Everglades National Park, South Florida

    Bounding Coordinates
    TS/Ph7a
    N: 25.191, S: 25.191, E: -80.639, W: -80.639

    TS/Ph8
    N: 25.233, S: 25.233, E: -80.525, W: -80.525

    TS/Ph9
    N: 25.177, S: 25.177, E: -80.49, W: -80.49

    TS/Ph10
    N: 25.025, S: 25.025, E: -80.681, W: -80.681

    TS/Ph11
    N: 24.913, S: 24.913, E: -80.938, W: -80.938

    FCE LTER Sites
    TS/Ph7a, TS/Ph8, TS/Ph9, TS/Ph10, TS/Ph11

  • Attributes
    • Data Table:   Florida Bay Stable Isotope Data Everglades National Park (FCE LTER), South Florida
      Attribute Name:
      SITENAME
      Attribute Label:
      sitename
      Attribute Definition:
      Name of LTER site
      Storage Type:
      Measurement Scale:
      text
      Missing Value Code:
       

      Attribute Name:
      SITEALIAS
      Attribute Label:
      alias
      Attribute Definition:
      Alias of LTER site
      Storage Type:
      Measurement Scale:
      text
      Missing Value Code:
       

      Attribute Name:
      SiteSerialNum
      Attribute Label:
      ID number
      Attribute Definition:
      Site ID number
      Storage Type:
      Measurement Scale:
      text
      Missing Value Code:
       

      Attribute Name:
      Date
      Attribute Label:
      date
      Attribute Definition:
      Date of collection
      Storage Type:
      Measurement Scale:
      Missing Value Code:
       

      Attribute Name:
      DecimalYear
      Attribute Label:
      decimal year
      Attribute Definition:
      Calendar year + fraction of calendar year
      Storage Type:
      Measurement Scale:
      text
      Missing Value Code:
       

      Attribute Name:
      Species_Seagrass
      Attribute Label:
      species
      Attribute Definition:
      Species Seagrass
      Storage Type:
      Measurement Scale:
      text
      Missing Value Code:
      -9999 (Value will never be recorded)

      Attribute Name:
      delta_15N
      Attribute Label:
      isotope
      Attribute Definition:
      Delta 15N
      Storage Type:
      Measurement Scale:
      Units: perMil
      Precision: 0.01
      Number Type: real
      Missing Value Code:
      -9999.00 (Value will never be recorded)

      Attribute Name:
      delta_13C
      Attribute Label:
      isotope
      Attribute Definition:
      Delta 13
      Storage Type:
      Measurement Scale:
      Units: perMil
      Precision: 0.01
      Number Type: real
      Missing Value Code:
      -9999.00 (Value will never be recorded)


  • Methods
    Sampling Description
    At each sampling site, 5 intact short shoots of Thalassia testudinum (and a minimum of 10 Syringodium filiforme and 15 Halodule wrightii short shoots, if present) were haphazardly collected from a 10 m2 area. These short shoots were returned to the lab, where all attached green leaves were cut from the short shoots and cleaned of adhering epiphytes by gently scraping with a razor blade. All leaves from a site were pooled and dried at 80degrees C. Dried leaves were ground to a fine powder using a ceramic mortar and pestle. Powdered samples were analyzed for 15N and 13C at the SERC Stable Isotope Laboratory at Florida International University using standard elemental analyzer isotope ratio mass spectrometer (EA-IRMS) procedures. Standards are Peedee Belemnite (PDB) for carbon and air (AIR) for nitrogen.

    Method Step

    Description
    At each sampling site, 5 intact short shoots of Thalassia testudinum (and a minimum of 10 Syringodium filiforme and 15 Halodule wrightii short shoots, if present) were haphazardly collected from a 10 m2 area. These short shoots were returned to the lab, where all attached green leaves were cut from the short shoots and cleaned of adhering epiphytes by gently scraping with a razor blade. All leaves from a site were pooled and dried at 80 degrees C. Dried leaves were ground to a fine powder using a ceramic mortar and pestle.Powdered samples were analyzed for 15N and 13C at the SERC Stable Isotope Laboratory at Florida International University using standard elemental analyzer isotope ratio mass spectrometer (EA-IRMS) procedures. Standards are Peedee Belemnite (PDB) for carbon and air (AIR) for nitrogen.

    Instrumentation
    Standard elemental analyzer isotope ratio mass spectrometer (EA-IRMS)

    Quality Control
    Data is entered and then checked for entry errors. All data is checked against field logs for entry errors.
  • Distribution and Intellectual Rights
    Online distribution
    https://pasta.lternet.edu/package/data/eml/knb-lter-fce/1131/10/74572504febd748386a9ab6d6230c9cb
    Intellectual Rights
    This information is released under the Creative Commons license - Attribution - CC BY (https://creativecommons.org/licenses/by/4.0/). The consumer of these data ("Data User" herein) is required to cite it appropriately in any publication that results from its use. The Data User should realize that these data may be actively used by others for ongoing research and that coordination may be necessary to prevent duplicate publication. The Data User is urged to contact the authors of these data if any questions about methodology or results occur. Where appropriate, the Data User is encouraged to consider collaboration or co-authorship with the authors. The Data User should realize that misinterpretation of data may occur if used out of context of the original study. While substantial efforts are made to ensure the accuracy of data and associated documentation, complete accuracy of data sets cannot be guaranteed. All data are made available "as is." The Data User should be aware, however, that data are updated periodically and it is the responsibility of the Data User to check for new versions of the data. The data authors and the repository where these data were obtained shall not be liable for damages resulting from any use or misinterpretation of the data. Thank you.

  • Keywords
    FCE, Florida Coastal Everglades LTER, FCE LTER, ecological research, long-term monitoring, Florida Bay, Everglades National Park, stable isotopes, isotopes, Halodule wrightii, Syringodium filiforme, Thalassia testudinum, Shoalgrass, Manatee grass, Turtle grass, delta 13C, delta 15N, seagrass species, processes, leaves, nitrogen-15, freshwater, estuarine, nutrients, water, long term monitoring, stable isotopes, estuaries, primary production, primary production
  • Dataset Contact
    • Name: Jim Fourqurean 
    • Position: Principal Investigator
    • Organization: Florida Coastal Everglades LTER Program
    • Address: Florida International University
      11200 SW 8th Street, OE 148
      Miami, FL 33199 USA
    • Phone: 305-348-4084
    • Email: fourqure@fiu.edu
    • URL: https://seagrass.fiu.edu/

    • Position: Information Manager
    • Organization: Florida Coastal Everglades LTER
    • Address: Florida International University
      11200 SW 8th Street
      Miami, FL 33199 USA
    • Email: fcelter@fiu.edu
    • URL: http://fcelter.fiu.edu

  • Data Table and Format
    Data Table:  Florida Bay Stable Isotope Data Everglades National Park (FCE LTER), South Florida

    Entity Name:
    LT_PP_Fourqurean_003.csv
    Entity Description:
    Florida Bay Stable Isotope Data Everglades National Park (FCE LTER), South Florida
    Object Name:
    LT_PP_Fourqurean_003.csv
    Number of Header Lines:
    1
    Attribute Orientation:
    column
    Field Delimiter:
    ,
    Number of Records:
    1926

  • Project permits
    EVER-2001-SCI-0071
    EVER-2002-SCI-0070
    EVER-2003-SCI-0067
    EVER-2004-SCI-0070
    EVER-2005-SCI-0081
    EVER-2007-SCI-0065
    EVER-2009-SCI-0070
    EVER-2011-SCI-0071
    EVER-2013-SCI-0058
    EVER-2015-SCI-0062
    EVER-2017-SCI-0054
    EVER-2019-SCI-0055
    EVER-2022-SCI-0029
    EVER-2023-SCI-0011
    EVER-2024-SCI-0011