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Sawgrass Above and Below Ground Total Nitrogen and Total Carbon from the Shark River Slough, Everglades National Park (FCE LTER), September 2002 - ongoing


At a Glance


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Authors: Evelyn Gaiser, Daniel Childers
Time period: to
Package id: knb-lter-fce.1070.12
Dataset id: LT_ND_Grahl_004

How to cite:
Gaiser, E., D. Childers. 2022. Sawgrass Above and Below Ground Total Nitrogen and Total Carbon from the Shark River Slough, Everglades National Park (FCE LTER), September 2002 - ongoing. Environmental Data Initiative. https://doi.org/. Dataset accessed 2024-04-19.

Geographic Coverage


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Detailed Metadata


  • Dataset Abstract
    Once a year during the dry season (Dec-May) three live sawgrass plants are collected from each site. These plants are divided into their live above and live below ground parts. Then both the above and below ground parts are analyzed for TN, TC, and TP.
  • Geographic Coverage
    Study Extent Description
    The Study Extent of this dataset includes 3 FCE Shark River Slough research sites within Everglades National Park, South Florida

    Bounding Coordinates
    FCE LTER Site SRS1b
    N: 25.758, S: 25.758, E: -80.726, W: -80.726

    FCE LTER Site SRS2
    N: 25.550, S: 25.550, E: -80.785, W: -80.785

    FCE LTER Site SRS3
    N: 25.468, S: 25.468, E: -80.853, W: -80.853

    FCE LTER Site SRS1c
    N: 25.755, S: 25.755, E: -80.574, W: -80.574

    FCE LTER Site SRS1d
    N: 25.746, S: 25.746, E: -80.654, W: -80.654

    All Sites
    Geographic Description
    Bounding Coordinates
    FCE LTER Site SRS1b
    N: 25.758, S: 25.758, E: -80.726, W: -80.726
    FCE LTER Site SRS2
    N: 25.550, S: 25.550, E: -80.785, W: -80.785
    FCE LTER Site SRS3
    N: 25.468, S: 25.468, E: -80.853, W: -80.853
    FCE LTER Site SRS1c
    N: 25.755, S: 25.755, E: -80.574, W: -80.574
    FCE LTER Site SRS1d
    N: 25.746, S: 25.746, E: -80.654, W: -80.654
  • Attributes
    • Data Table:   Sawgrass Above and Below Ground Total Nitrogen and Total Carbon from the Shark River Slough, Everglades National Park, South Florida
      Attribute Name:
      SITENAME
      Attribute Label:
      sitename
      Attribute Definition:
      Name of LTER site
      Storage Type:
      text
      Measurement Scale:
      Name of LTER site
      Missing Value Code:
       

      Attribute Name:
      Date
      Attribute Label:
      date
      Attribute Definition:
      Collection date
      Storage Type:
      datetime
      Measurement Scale:
      Missing Value Code:
       

      Attribute Name:
      Type
      Attribute Label:
      type
      Attribute Definition:
      Type of Carbon and Nitrogen measured, aboveground or belowground
      Storage Type:
      text
      Measurement Scale:
      Type of Carbon and Nitrogen measured, aboveground or belowground
      Missing Value Code:
       

      Attribute Name:
      mgC/g
      Attribute Label:
      total carbon
      Attribute Definition:
      milligrams carbon per gram sawgrass
      Storage Type:
      data
      Measurement Scale:
      Units: milligramsPerGram
      Precision: 0.01
      Number Type: real
      Missing Value Code:
      -9999.00 (Value will never be recorded )

      Attribute Name:
      mgN/g
      Attribute Label:
      total nitrogen
      Attribute Definition:
      milligrams nitrogen per grams sawgrass
      Storage Type:
      data
      Measurement Scale:
      Units: milligramsPerGram
      Precision: 0.01
      Number Type: real
      Missing Value Code:
      -9999.00 (Value will never be recorded )


  • Methods
    Sampling Description
    Three live random sawgrass plants were collected from each site. Plants were stored in a freezer for later analysis. After plants were defrosted, they were separated between into live above and live below gorund material. Below ground material was washed to remove any sediment attached. Then, plants were placed in an oven at 70oC for 72 hours. After the plant material was dry, it was ground up for nutrient analysis using a whiley mill. Material was stored in 7mL vials. The analysis of TN & TC was done using the a Carlo Erba elemental auto-analyzer.

    Method Step

    Description
    Three live random sawgrass plants were collected from each site. Plants were stored in a freezer for later analysis. After plants were defrosted, they were separated between into live above and live below gorund material. Below ground material was washed to remove any sediment attached. Then, plants were placed in an oven at 70oC for 72 hours. After the plant material was dry, it was ground up for nutrient analysis using a whiley mill. Material was stored in 7mL vials. The analysis of TN & TC was done using the a Carlo Erba elemental auto-analyzer.

    Instrumentation
    oven clippers whiley mill microscale Carlo Erba elemental auto-analyzer PC Microsoft Excel

    Quality Control
    Field data are written in pencil on waterproof paper and photocopied upon return to the laboratory. They are then entered into the appropriate digital format. These data are reviewed in hard copy and digital format by the lab manager. Laboratory data are written in pencil on waterproof paper, photocopied prior to computer entry and then entered digitally in duplicate and cross-referenced to hard copy notes. Data outliers, determined by comparison to long-term variance in that parameter, are highlighted in resulting spreadsheets for examination by the principal investigator, who may discard the values.
  • Distribution and Intellectual Rights
    Online distribution
    https://pasta.lternet.edu/package/data/eml/knb-lter-fce/1070/12/5340bfe54ec51861d148e190838c9336
    Data Submission Date:  2022-01-24

    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
    roots, marshes, total nitrogen, total carbon, FCE, FCE LTER, Florida Coastal Everglades LTER, ecological research, long-term monitoring, sawgrass, Cladium jamaicense, TN, TC, Above ground total nitrogen, Below ground total nitrogen, Above ground total carbon, Below ground total carbon, biogeochemistry
  • Dataset Contact
    • Name: Rafael Travieso 
    • Position: Technical Staff
    • Organization: Southeast Environmental Research Center
    • Address: Florida International University
      MMC
      OE 148
      Miami, FL 33199 USA
    • Phone: 305-348-7286
    • Fax: 305-348-4096
    • Email: travieso@fiu.edu
    • URL: http://algae.fiu.edu/

    • Position: Information Manager
    • Organization: Florida Coastal Everglades LTER Program
    • Address: Florida International University
      MMC
      OE 148
      Miami, FL 33199 USA
    • Phone: 305-348-6054
    • Fax: 305-348-4096
    • Email: fcelter@fiu.edu
    • URL: http://fcelter.fiu.edu

  • Data Table and Format
    Data Table:  Sawgrass Above and Below Ground Total Nitrogen and Total Carbon from the Shark River Slough, Everglades National Park, South Florida

    Entity Name:
    LT_ND_Grahl_004.csv
    Entity Description:
    Sawgrass Above and Below Ground Total Nitrogen and Total Carbon from the Shark River Slough, Everglades National Park, South Florida
    Object Name:
    LT_ND_Grahl_004.csv
    Number of Header Lines:
    1
    Attribute Orientation:
    column
    Field Delimiter:
    ,
    Number of Records:
    360