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Monitoring of nutrient and sulfide concentrations in porewaters of mangrove forests from the Shark River Slough and Taylor Slough, Everglades National Park (FCE), South Florida from December 2000 to Present


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Authors: Victor Rivera-Monroy, Edward Castaneda, Robert Twilley
Time period: to
Package id: knb-lter-fce.1171.6
Dataset id: LT_ND_deMutsert_001

How to cite:
Rivera-Monroy, V., E. Castaneda, R. Twilley. 2018. Monitoring of nutrient and sulfide concentrations in porewaters of mangrove forests from the Shark River Slough and Taylor Slough, Everglades National Park (FCE), South Florida from December 2000 to Present. Environmental Data Initiative. https://doi.org/. Dataset accessed 2024-04-20.

Geographic Coverage


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Detailed Metadata


  • Dataset Creator(s)
    • Name: Dr. Victor Rivera-Monroy 
    • Position: LTER Project Collaborator
    • Organization: Wetland Biogeochemistry Institute
    • Address: Department of Oceanography and Coastal Sciences
      Louisiana State University
      3209 Energy, Coast, and Environment Building
      Baton Rouge, LA 70803 USA
    • Phone: (225) 578-2773
    • Fax: (225) 578-6423
    • Email: vhrivera@lsu.edu
    • URL: http://www.gulfbase.org/

    • Name: Dr. Edward Castaneda 
    • Position: Research Associate
    • Address: Southeast Environmental Research Center
      Florida International University
      11200 SW 8th St, Building OE 148
      Miami, FL 33199 USA
    • Phone: (305) 348-7479 (VH 332)
    • Fax: (305) 348 7479 (VH 332)
    • Email: ecastane@fiu.edu
    • URL: http://wetland.fiu.edu/

    • Name: Dr. Robert Twilley 
    • Position: LTER Project Collaborator
    • Organization: Louisiana State University
    • Address: Department of Oceanography and Coastal Sciences
      Louisiana State University
      3257 Energy, Coast, and Environment Building
      Baton Rouge, LA 70803 USA
    • Phone: (225) 578-8806
    • Fax: (225) 578-6423
    • Email: rtwilley@lsu.edu
    • URL: http://www.oceanography.lsu.edu/

  • Dataset Abstract
    To monitor soil chemistry in the mangrove sites SRS4, SRS5 and SRS6, and TS/Ph6b, TS/Ph7b and TS/Ph8, porewater concentrations of sulfide, PO4, NH4, NO2 and NO3 have been analyzed.
  • Geographic Coverage
    Study Extent Description
    The Study Extent of this dataset includes 3 FCE Shark River Slough and 3 Taylor Slough research sites within Everglades National Park, South Florida.

    Bounding Coordinates
    Data were collected in the Shark River Slough and Taylor Slough, within Everglades National Park, South Florida
    N: 25.410, S: 25.197, E: -80.525, W: -81.078

    Florida Coastal Everglades LTER Study Area: South Florida, Everglades National Park, and Florida Bay
    N: 25.761, S: 24.913, E: -80.490, W: -81.078

    FCE LTER Sites
    SRS4,SRS5,SRS6,TS/Ph6b,TS/Ph7b, TS/Ph8

    All Sites
    Geographic Description
    Bounding Coordinates
    FCE LTER Site SRS4
    N: 25.410, S: 25.410, E: -80.964, W: -80.964
    FCE LTER Site SRS5
    N: 25.377, S: 25.377, E: -81.032, W: -81.032
    FCE LTER Site SRS6
    N: 25.365, S: 25.365, E: -81.078, W: -81.078
    FCE LTER Site TS/Ph6b
    N: 25.216, S: 25.216, E: -80.651, W: -80.651
    FCE LTER Site TS/Ph7b
    N: 25.197, S: 25.197, E: -80.642, W: -80.642
    FCE LTER Site TS/Ph8
    N: 25.233, S: 25.233, E: -80.525, W: -80.525
  • Attributes
    • Data Table:   Monitoring of nutrient and sulfide concentrations in porewaters of mangrove forests from the Shark River Slough and Taylor Slough, Everglades National Park (FCE), 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:
      Season
      Attribute Label:
      Season
      Attribute Definition:
      Wet for June-November and dry for December-May
      Storage Type:
      text
      Measurement Scale:
      Wet for June-November and dry for December-May
      Missing Value Code:
       

      Attribute Name:
      Plot
      Attribute Label:
      Plot ID number
      Attribute Definition:
      plot 1 or 2 within the site
      Storage Type:
      ordinal
      Measurement Scale:
      plot 1 or 2 within the site
      Missing Value Code:
       

      Attribute Name:
      Subplot
      Attribute Label:
      Subplot ID number
      Attribute Definition:
      subplot indicates which subdivision of the two plots
      Storage Type:
      ordinal
      Measurement Scale:
      subplot indicates which subdivision of the two plots
      Missing Value Code:
       

      Attribute Name:
      Depth
      Attribute Label:
      depth
      Attribute Definition:
      collection depth in the soil
      Storage Type:
      data
      Measurement Scale:
      Units: centimeter
      Precision: 1
      Number Type: real
      Missing Value Code:
      -9999 (Value will never be recorded )

      Attribute Name:
      Porewater_Sulfide
      Attribute Label:
      concentration
      Attribute Definition:
      sulfide concentration in porewaters
      Storage Type:
      data
      Measurement Scale:
      Units: millimolesPerLiter
      Precision: 0.001
      Number Type: real
      Missing Value Code:
      -9999.000 (Value will never be recorded )

      Attribute Name:
      Porewater_NH4
      Attribute Label:
      concentration
      Attribute Definition:
      ammonia concentration in porewater
      Storage Type:
      data
      Measurement Scale:
      Units: microMolesPerLiter
      Precision: 0.001
      Number Type: real
      Missing Value Code:
      -9999.000 (Value will never be recorded )

      Attribute Name:
      Porewater_NO2
      Attribute Label:
      concentration
      Attribute Definition:
      Nitrite concentration in porewaters
      Storage Type:
      data
      Measurement Scale:
      Units: microMolesPerLiter
      Precision: 0.001
      Number Type: real
      Missing Value Code:
      -9999.000 (Value will never be recorded )

      Attribute Name:
      Porewater_PO4
      Attribute Label:
      concentration
      Attribute Definition:
      orthophosphate concentration in porewaters
      Storage Type:
      data
      Measurement Scale:
      Units: microMolesPerLiter
      Precision: 0.001
      Number Type: real
      Missing Value Code:
      -9999.000 (Value will never be recorded )

      Attribute Name:
      Porewater_NO3
      Attribute Label:
      concentration
      Attribute Definition:
      Nitrate concentration in porewaters
      Storage Type:
      data
      Measurement Scale:
      Units: microMolesPerLiter
      Precision: 0.001
      Number Type: real
      Missing Value Code:
      -9999.000 (Value will never be recorded )

      Attribute Name:
      Porewater_NO2plusNO3
      Attribute Label:
      concentration
      Attribute Definition:
      nitrite plus nitrate concentration in porewaters
      Storage Type:
      data
      Measurement Scale:
      Units: microMolesPerLiter
      Precision: 0.001
      Number Type: real
      Missing Value Code:
      -9999.000 (Value will never be recorded )


  • Methods
    Sampling Description
    Two plots were designated in each mangrove site, which where subdivided into four subplots. In the middle of each subplot porewater samples for nutrient and sulfide analyses were collected repeatedly over 14 years next to physical data. The null hypothesis is that there is no difference between the six mangrove sites that were monitored. Two (20*20 m) plots per site in the mangrove forest are divided in four 10*10 m subplots, samples are taken in the middle of each subplot. Porewaters are sampled and physical data are measured 2-3 times a year in the middle of each subplot.

    Method Step

    Description
    Porewater samples were taken with a porewater sipper in the middle of each subplot. Sulfide samples were preserved in the field with a buffer solution and analyzed in the lab using a standard curve and a voltage meter connected to an Orion sulfide probe. Concentrations of orthophosphate, ammonium, nitrite and nitrate were determined using either a spectrophotometer, a Lachat auto analyzer or an OI analytical auto analyzer. Apha standard methods (1992) were used to derive the nutrient concentrations.

    Instrumentation
    YSI voltage meter and sulfide probe spectrophotometer OI analytical auto-analyzer Lachat auto-analyzer

    Quality Control
    Dataset QA/QC performed during analysis of samples; samples with 5% between lab replicates were redone; data is graphed to check for outliers and checked by second scientist
  • Intellectual Rights
    Data Submission Date:  2018-02-01

    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
    mangroves, FCE, Florida Coastal Everglades LTER, ecological research, long-term monitoring, Shark River Slough, Everglades National Park, Taylor Slough, nutrients, porewater, mangrove, Porewater_Sulfide , Porewater_NH4 , Porewater_NO2 , Porewater_PO4 , Porewater_NO2+NO3 , mangroves, water, sulfide, processes
  • Dataset Contact
    • Name: Victor Rivera-Monroy 
    • Position: LTER Project Collaborator
    • Organization: Wetland Biogeochemistry Institute
    • Address: Department of Oceanography and Coastal Sciences
      Louisiana State University
      3209 Energy, Coast, and Environment Building
      Baton Rouge, LA 70803 USA
    • Phone: (225) 578-2773
    • Fax: (225) 578-6423
    • Email: vhrivera@lsu.edu
    • URL: http://www.gulfbase.org/

    • Position: Information Manager
    • Organization: Florida Coastal Everglades LTER Program
    • Address: Florida International University
      University Park
      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:  Monitoring of nutrient and sulfide concentrations in porewaters of mangrove forests from the Shark River Slough and Taylor Slough, Everglades National Park (FCE), South Florida

    Entity Name:
    LT_ND_deMutsert_001.txt
    Entity Description:
    Monitoring of nutrient and sulfide concentrations in porewaters of mangrove forests from the Shark River Slough and Taylor Slough, Everglades National Park (FCE), South Florida
    Object Name:
    LT_ND_deMutsert_001.txt
    Number of Header Lines:
    1
    Attribute Orientation:
    column
    Field Delimiter:
    ,
    Number of Records:
    1340