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Bull shark catches, water temperatures, salinities, and dissolved oxygen levels in the Shark River Slough, Everglades National Park (FCE) , from May 2005 to May 2009


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Authors: Michael Heithaus, Philip Matich
Time period: 2005-05-11 to 2009-05-08
Package id: knb-lter-fce.1167.4
Dataset id: LT_TDCS_Heithaus_001

How to cite:
Heithaus, M., P. Matich. 2024. Bull shark catches, water temperatures, salinities, and dissolved oxygen levels in the Shark River Slough, Everglades National Park (FCE) , from May 2005 to May 2009. Environmental Data Initiative. https://doi.org/10.6073/pasta/c0400de612fb5cbdb2b8af0b1206c625. Dataset accessed 2024-05-01.

Geographic Coverage


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Detailed Metadata


  • Dataset Abstract
    This dataset provides information on the catches of bull sharks in the Shark River Slough in relation to physical factors including dissolved oxygen, water temperature, salinity, and distance upstream. Analysis of data collected from 2005-2007 indicate that distance from the Gulf of Mexico and dissolved oxygen concentrations have the largest effects on bull shark catch rates. Data are presented for both young of the year sharks, which are concentrated in areas away from the main channel approximately 20km upstream, and older juvenile sharks which are found along the main channel at similar distances upstream. Salinity has a surprisingly weak impact on catches over the time frame initially investigated.
  • Geographic Coverage
    Study Extent Description
    The Study Extent of this dataset includes the FCE Shark River Slough research sites within Everglades National Park, South Florida

    Bounding Coordinates
    DR (Down River generally near SRS6)
    N: 25.359, S: 25.358, E: -81.061, W: -81.119

    SRS5
    N: 25.39, S: 25.37, E: -81.01, W: -81.04

    SRS4
    N: 25.42, S: 25.41, E: -80.96, W: -80.99

    OC (Otter Creek, northern Tarpon Bay and Otter Creek)
    N: 25.44, S: 25.43, E: -80.94, W: -80.98

    UR (Up River, throughout Rookery Branch)
    N: 25.45, S: 25.45, E: -80.87, W: -80.92

    FCE LTER Sites
    SRS4, SRS5, SRS6

  • Attributes
    • Data Table:   Bull shark catches, water temperatures, salinities, and dissolved oxygen levels in the Shark River Slough, Everglades National Park (FCE)
      Attribute Name:
      SITENAME
      Attribute Label:
      sitename
      Attribute Definition:
      Name of LTER site
      Storage Type:
      text
      Measurement Scale:
      text
      Missing Value Code:
       

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

      Attribute Name:
      DOY
      Attribute Label:
      DOY
      Attribute Definition:
      Day of Year
      Storage Type:
      ordinal
      Measurement Scale:
      text
      Missing Value Code:
       

      Attribute Name:
      Set_Start_Time
      Attribute Label:
      Set_Start_Time
      Attribute Definition:
      Set Start Time
      Storage Type:
      datetime
      Measurement Scale:
      Missing Value Code:
       

      Attribute Name:
      Set_Num
      Attribute Label:
      Set_Num
      Attribute Definition:
      cumulative longline set number
      Storage Type:
      ordinal
      Measurement Scale:
      text
      Missing Value Code:
      -9999 (Value was not recorded)

      Attribute Name:
      Num_Hooks
      Attribute Label:
      Num_Hooks
      Attribute Definition:
      Number of Hooks on longline set
      Storage Type:
      nominal
      Measurement Scale:
      text
      Missing Value Code:
      -9999 (Value was not recorded)

      Attribute Name:
      Bull_Shark_Count
      Attribute Label:
      Bull_Shark_Count
      Attribute Definition:
      number of sharks caught on longline
      Storage Type:
      data
      Measurement Scale:
      Units: countPerLongline
      Precision: 1
      Number Type: real
      Missing Value Code:
      -9999 (Value was not recorded)

      Attribute Name:
      Temperature
      Attribute Label:
      TEMP
      Attribute Definition:
      water temperature
      Storage Type:
      data
      Measurement Scale:
      Units: celsius
      Precision: 0.1
      Number Type: real
      Missing Value Code:
      -9999.0 (Value was not recorded)

      Attribute Name:
      Salinity
      Attribute Label:
      salinity
      Attribute Definition:
      Composite salinity
      Storage Type:
      data
      Measurement Scale:
      Units: PSU
      Precision: 0.1
      Number Type: real
      Missing Value Code:
      -9999.0 (Value will never be recorded)

      Attribute Name:
      DO
      Attribute Label:
      DO
      Attribute Definition:
      Dissolved oxygen
      Storage Type:
      data
      Measurement Scale:
      Units: milligramsPerLiter
      Precision: 0.01
      Number Type: real
      Missing Value Code:
      -9999.00 (Value was not recorded)

      Attribute Name:
      DO_perSat
      Attribute Label:
      DO_perSat
      Attribute Definition:
      dissolved oxygen percent saturation
      Storage Type:
      data
      Measurement Scale:
      Units: percent
      Precision: 0.1
      Number Type: real
      Missing Value Code:
      -9999.0 (Value was not recorded)


  • Methods
    Sampling Description
    Longline catches of bull sharks

    Method Step

    Description
    Longline catches of bull sharks

    Instrumentation
    ~500m longline with 30-50 2m gangions equipped with 13/0-15/0 circle hooks and baited with mullet

    Method Step

    Description
    Dissolved oxygen collected during longline sets

    Instrumentation
    YSI85

    Method Step

    Description
    Water Temperature collected during longline sets

    Instrumentation
    YSI85

    Method Step

    Description
    Salinity collected during longline sets

    Instrumentation
    YSI85

    Quality Control
    Data are checked against field notes and datasheets after entry. Data are visually inspected by graduate students and the PI to determine if any values are obviously in error.
  • Distribution and Intellectual Rights
    Online distribution
    https://pasta.lternet.edu/package/data/eml/knb-lter-fce/1167/4/43fd56620465a0ea587bc20e690dc7d6
    Data Submission Date:  2009-05-19

    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
    populations, FCE, Florida Coastal Everglades LTER, ecological research, long-term monitoring, bull shark, consumer interactions, habitat use, Shark River Slough, salinity, water temperature, Dissolved oxygen, percent dissolved oxygen, water, processes
  • Data Table and Format
    Data Table:  Bull shark catches, water temperatures, salinities, and dissolved oxygen levels in the Shark River Slough, Everglades National Park (FCE)

    Entity Name:
    LT_TDCS_Heithaus_001
    Entity Description:
    Bull shark catches, water temperatures, salinities, and dissolved oxygen levels in the Shark River Slough, Everglades National Park (FCE)
    Object Name:
    LT_TDCS_Heithaus_001.csv
    Number of Header Lines:
    1
    Attribute Orientation:
    column
    Field Delimiter:
    ,
    Number of Records:
    255