Long-term Ecosystem Dynamics in Coastal Lagoons of Perdido Bay, Florida: Seagrass Biomass (2000-present)
Metadata:
- Identification_Information:
- Citation:
- Citation_Information:
- Originator:
- DISL: Ecosystems Lab
- Publication_Date:
- Unpublished material
- Title:
- Long-term Ecosystem Dynamics in Coastal Lagoons of Perdido Bay, Florida: Seagrass Biomass (2000-present)
- Description:
- Abstract:
- As part of a comparison of benthic metabolic rates between bottom types (bare sediment vs. with seagrass patches) within and across three lagoonal environments in Perdido Bay, Florida, seagrass biomass has been measured as ash-free dry weight for both above and below ground data since September 2000.
- Purpose:
- To improve our understanding of lagoonal environments, and to improve our ability to create effective policies of environmentally-sustainable development and use of coastal watersheds by humans. The data are part of an ongoing survey of the physical, chemical and biological variables of three distinct lagoonal environments in Perdido Bay, Florida. The three lagoons cover a wide gradient of human pressure, from a pristine lagoon to a lagoon with a moderately developed watershed to a lagoon with a highly developed watershed, thereby allowing us to make inferences as to how human utilization of watersheds affects the health of coastal lagoons and services offered to humankind and wildlife.
- Time_Period_of_Content:
- Time_Period_Information:
- Range_of_Dates/Times:
- Beginning_Date:
- 20000905
- Ending_Date:
- Present
- Currentness_Reference:
- ground condition
- Status:
- Progress:
- In work
- Maintenance_and_Update_Frequency:
- Monthly
- Spatial_Domain:
- Bounding_Coordinates:
- West_Bounding_Coordinate:
- -87.469
- East_Bounding_Coordinate:
- -87.403
- North_Bounding_Coordinate:
- 30.313
- South_Bounding_Coordinate:
- 30.305
- Keywords:
- Theme:
- Theme_Keyword_Thesaurus:
- None
- Theme_Keyword:
- coastal lagoon
- Theme_Keyword:
- human pressure
- Theme_Keyword:
- watershed
- Theme_Keyword:
- anthropogenic
- Theme_Keyword:
- seagrass biomass
- Theme_Keyword:
- ash free dry weight
- Theme_Keyword:
- benthic metabolic rates
- Theme:
- Theme_Keyword_Thesaurus:
- ISO 19115 Topic Category
- Theme_Keyword:
- biota
- Theme_Keyword:
- environment
- Theme_Keyword:
- inlandWaters
- Theme_Keyword:
- oceans
- Place:
- Place_Keyword_Thesaurus:
- None
- Place_Keyword:
- Gongora Canal
- Place_Keyword:
- State Park
- Place_Keyword:
- Kee's Bayou
- Place_Keyword:
- Perdido Bay
- Place_Keyword:
- Florida
- Place_Keyword:
- northern Gulf of Mexico
- Place_Keyword:
- Dauphin Island Sea Lab
- Place_Keyword:
- DISL
- Access_Constraints:
- Permission to access these data must be given by Dr. Just Cebrian of the Dauphin Island Sea Lab.
- Use_Constraints:
- Acknowledgment of the DISL Ecosystems Lab, the National Science Foundation (NSF), the NOAA National Coastal Data Development Center, the Mississippi-Alabama Sea Grant Consortium and the Alabama Center for Estuarine Studies is required in products developed from these data, and such acknowledgment as is standard for citation and legal practices for data source is expected by users of these data. Users should be aware that comparison with other data sets for the same area from other time periods may be inaccurate due to inconsistencies resulting from changes in mapping conventions, data collection, and computer processes over time. The distributor shall not be liable for improper or incorrect use of these data, based on the description of appropriate/inappropriate uses described in the metadata document. The DISL Ecosystems Lab makes no warranty regarding these data, expressed or implied, nor does the fact of distribution constitute such a warranty. The DISL Ecosystems Lab cannot assume liability for any damages caused by any errors or omissions in these data, nor as a result of the failure of these data to function on a particular system. These data are not legal documents and are not to be used as such.
- Point_of_Contact:
- Contact_Information:
- Contact_Person_Primary:
- Contact_Person:
- Dr. Just Cebrian
- Contact_Organization:
- DISL: Ecosystems Lab
- Contact_Position:
- Principal Investigator
- Contact_Address:
- Address_Type:
- mailing and physical
- Address:
- 101 Bienville Blvd.
- City:
- Dauphin Island
- State_or_Province:
- Al
- Postal_Code:
- 36528
- Country:
- USA
- Contact_Voice_Telephone:
- 251-861-2141 ext. 7568 or 7564
- Contact_Electronic_Mail_Address:
- jcebrian@disl.org
- Hours_of_Service:
- 8-5:00 CST
- Contact_Instructions:
- Please email Dr. Just Cebrian for further information.
- Native_Data_Set_Environment:
- The working database is Microsoft Access. Data are made available via export to Microsoft Excel.
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- Data_Quality_Information:
- Logical_Consistency_Report:
- not applicable
- Completeness_Report:
- Data for this project were collected from 5 Sep 2000 to the present, however sampling techniques and data collection have not remained consistent among sampling events.
- Lineage:
- Process_Step:
- Process_Description:
- Seagrass biomass was sampled using a 15.5 cm inner-diameter PVC core that was inserted into the sediments to a depth of 12 cm to ensure collection of all below-ground biomass. On each sampling date, we took 5 cores within patches haphazardly chosen in the lagoon (only in State Park and Kee's Bayou) and 5 cores in bare sediment (10 in Gongora). Samples were bagged and stored on ice for transport to the lab where they were frozen at -10 degrees C until processed.
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Once thawed, the samples were rinsed through a 500 um sieve and all seagrass material was sorted out. Seagrass biomass was separated into above- and below-ground compartments, dried at 60 degrees C until constant weight was achieved and then combusted at 500 degrees C to determine the ash free dry weight (AFDW) per unit area (g AFDW per m2 of bottom).
- Process_Date:
- Not complete
- Process_Contact:
- Contact_Information:
- Contact_Organization_Primary:
- Contact_Organization:
- DISL: Ecosystems Lab
- Contact_Person:
- Josh Goff
- Contact_Position:
- research technician
- Contact_Address:
- Address_Type:
- mailing and physical
- Address:
- 101 Bienville Boulevard
- City:
- Dauphin Island
- State_or_Province:
- Alabama
- Postal_Code:
- 36528
- Contact_Voice_Telephone:
- 251-861-2141 x7564
- Contact_Electronic_Mail_Address:
- jgoff@disl.org
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- Entity_and_Attribute_Information:
- Detailed_Description:
- Entity_Type:
- Entity_Type_Label:
- Perdido Lagoon Seagrass Biomass
- Entity_Type_Definition:
- Seagrass biomass data from three lagoons of Perdido Bay, Florida from September 2000 to present. Three spreadsheets are included: "below" (below ground data), "above" (above ground data), and "averages per date."
- Entity_Type_Definition_Source:
- DISL: Ecosystems Lab
- Attribute:
- Attribute_Label:
- site
- Attribute_Definition:
- Sampling location.
- Attribute_Definition_Source:
- DISL: Ecosystems Lab
- Attribute_Domain_Values:
- Enumerated_Domain:
- Enumerated_Domain_Value:
- GC
- Enumerated_Domain_Value_Definition:
- Gongora Canal at latitude 30.305 N longitude 87.424 W. Residential development on northern and eastern sides (bulkheaded, in 2008 a new stretch of bulkheads was put in place), marsh on southern and western sides. Small, slightly deeper and more turbid. No seagrass. Sediment sandy (mouth) to muddy (upstream).
- Enumerated_Domain_Value_Definition_Source:
- DISL: Ecosystems Lab
- Enumerated_Domain_Value:
- KB
- Enumerated_Domain_Value_Definition:
- Kees Bayou at latitude 30.313 N longitude 87.469 W. Developed on the northern and eastern sides, marsh on the southern and western sides. Bottom sediment is finer than that of State Park. Originally a small fraction was covered by patches of Halodule wrightii. Now larger mixed bed with Ruppia maritima.
- Enumerated_Domain_Value_Definition_Source:
- DISL: Ecosystems Lab
- Enumerated_Domain_Value:
- SP
- Enumerated_Domain_Value_Definition:
- State Park at latitude 30.308 N longitude 87.403 W. Most pristine site, entirely surrounded by salt marsh (predominantly Juncus roemerianus) and maritime forest with no human development. Bottom predominantly covered by patches of Halodule wrightii, the rest is sandy sediment.
- Enumerated_Domain_Value_Definition_Source:
- DISL: Ecosystems Lab
- Attribute:
- Attribute_Label:
- substrate
- Attribute_Definition:
- Type of bottom cover.
- Attribute_Definition_Source:
- DISL: Ecosystems Lab
- Attribute_Domain_Values:
- Enumerated_Domain:
- Enumerated_Domain_Value:
- seagrass
- Enumerated_Domain_Value_Definition:
- Bottom is covered with patches of seagrass.
- Enumerated_Domain_Value_Definition_Source:
- DISL: Ecosystems Lab
- Attribute:
- Attribute_Label:
- date
- Attribute_Definition:
- Date of sampling.
- Attribute_Definition_Source:
- DISL: Ecosystems Lab
- Attribute_Domain_Values:
- Range_Domain:
- Range_Domain_Minimum:
- 5 Sep 2000
- Range_Domain_Maximum:
- present
- Attribute:
- Attribute_Label:
- replicate
- Attribute_Definition:
- Sampling replicate.
- Attribute_Definition_Source:
- DISL: Ecosystems Lab
- Attribute_Domain_Values:
- Range_Domain:
- Range_Domain_Minimum:
- 1
- Range_Domain_Maximum:
- 5
- Attribute:
- Attribute_Label:
- AFDW (g/core)
- Attribute_Definition:
- Ash free dry weight of sample.
- Attribute_Definition_Source:
- DISL: Ecosystems Lab
- Attribute_Domain_Values:
- Range_Domain:
- Range_Domain_Minimum:
- 0
- Range_Domain_Maximum:
- 5.56
- Attribute_Units_of_Measure:
- grams per sample core
- Attribute:
- Attribute_Label:
- AFDW (g/m2)
- Attribute_Definition:
- Ash free dry weight per square meter of sampled area.
- Attribute_Definition_Source:
- DISL: Ecosystems Lab
- Attribute_Domain_Values:
- Range_Domain:
- Range_Domain_Minimum:
- 0
- Range_Domain_Maximum:
- 294.68
- Attribute_Units_of_Measure:
- grams per square meter
- Attribute:
- Attribute_Label:
- notes
- Attribute_Definition:
- Additional miscellaneous information about the data.
- Attribute_Definition_Source:
- DISL: Ecosystems Lab
- Attribute_Domain_Values:
- Unrepresentable_Domain:
- Reasons for why data are missing are found here.
- Attribute_Measurement_Frequency:
- As needed
- Attribute:
- Attribute_Label:
- above (g/m2)
- Attribute_Definition:
- Average ash free dry weight of above-ground seagrass biomass per square meter of sampled area.
- Attribute_Definition_Source:
- DISL: Ecosystems Lab
- Attribute_Domain_Values:
- Range_Domain:
- Range_Domain_Minimum:
- 3.657
- Range_Domain_Maximum:
- 118.508
- Attribute_Units_of_Measure:
- grams per square meter
- Attribute:
- Attribute_Label:
- below (g/m2)
- Attribute_Definition:
- Average ash free dry weight of below-ground seagrass biomass per square meter of sampled area.
- Attribute_Definition_Source:
- DISL: Ecosystems Lab
- Attribute_Domain_Values:
- Range_Domain:
- Range_Domain_Minimum:
- 4.638
- Range_Domain_Maximum:
- 237.228
- Attribute_Units_of_Measure:
- grams per square meter
- Attribute:
- Attribute_Label:
- SE above
- Attribute_Definition:
- Standard error for average ash free dry weight of above-ground seagrass biomass per square meter of sampled area.
- Attribute_Definition_Source:
- DISL: Ecosystems Lab
- Attribute_Domain_Values:
- Range_Domain:
- Range_Domain_Minimum:
- 0.3335
- Range_Domain_Maximum:
- 26.5918
- Attribute_Units_of_Measure:
- grams per square meter
- Attribute:
- Attribute_Label:
- SE below
- Attribute_Definition:
- Standard error for average ash free dry weight of below-ground seagrass biomass per square meter of sampled area.
- Attribute_Definition_Source:
- DISL: Ecosystems Lab
- Attribute_Domain_Values:
- Range_Domain:
- Range_Domain_Minimum:
- 0.8484
- Range_Domain_Maximum:
- 44.3552
- Attribute_Units_of_Measure:
- grams per square meter
- Attribute:
- Attribute_Label:
- n above
- Attribute_Definition:
- Number of replicates averaged for ash free dry weight of above-ground seagrass biomass per square meter of sampled area.
- Attribute_Definition_Source:
- DISL: Ecosystems Lab
- Attribute_Domain_Values:
- Range_Domain:
- Range_Domain_Minimum:
- 2
- Range_Domain_Maximum:
- 5
- Attribute:
- Attribute_Label:
- n below
- Attribute_Definition:
- Number of replicates averaged for ash free dry weight of below-ground seagrass biomass per square meter of sampled area.
- Attribute_Definition_Source:
- DISL: Ecosystems Lab
- Attribute_Domain_Values:
- Range_Domain:
- Range_Domain_Minimum:
- 2
- Range_Domain_Maximum:
- 5
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- Metadata_Reference_Information:
- Metadata_Date:
- 20150428
- Metadata_Contact:
- Contact_Information:
- Contact_Organization_Primary:
- Contact_Organization:
- Dauphin Island Sea Lab
- Contact_Position:
- Data Management Specialist
- Contact_Address:
- Address_Type:
- mailing and physical
- Address:
- 101 Bienville Blvd.
- City:
- Dauphin Island
- State_or_Province:
- Al
- Postal_Code:
- 36528
- Country:
- USA
- Contact_Voice_Telephone:
- 251-861-2141
- Contact_Electronic_Mail_Address:
- metadata@disl.org
- Hours_of_Service:
- 8-5:00 CST
- Contact_Instructions:
- Please email the metadata specialist for further information.
- Metadata_Standard_Name:
- FGDC Biological Data Profile of the Content Standard for Digital Geospatial Metadata
- Metadata_Standard_Version:
- FGDC-STD-001.1-1999
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