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Experimental Studies of Predator and Prey Interactions

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Metadata:


Identification_Information:
Citation:
Citation_Information:
Originator: William Loftus, Joel Trexler, Shawn Liston
Publication_Date: 2002
Title: Experimental Studies of Predator and Prey Interactions
Geospatial_Data_Presentation_Form: maps and data
Online_Linkage: https://sofia.usgs.gov/projects/index.php?project_url=pred_prey
Description:
Abstract:
This multi-year program embodying facility construction, maintenance, and experiments is nearing the end of its funding cycle. The experimental mesocosm array was constructed in Everglades National Park as a cooperative effort of FIU, USGS, and NPS to address questions about predator-prey, competitive, and indirect interactions difficult to study in the field. Two experiments that examined mosquitofish predation and competition with other cohabiting small fishes in the Everglades marshes have been completed.

Results showed that growth of juvenile mosquitofish could be limited by the presence of other juveniles at densities within the range found in the Everglades. This suggests that food limitation is a potential factor for juvenile fishes in Everglades marshes, as had been suggested by earlier field studies. The relative role of food versus predator limitation is central to any model of fish population dynamics, such as the ATLSS model.

We have completed the study of spotted sunfish nest predation by small fishes, especially mosquitofish, which demonstrated a feedback loop in the Everglades food web. Mosquitofish prey upon eggs and larvae of spotted sunfish, which in turn eat mosquitofish as they grow. Water level was inversely related to the degree of nest predation and probably helps explain why sunfish populations grow during high water years. The mesocosm is now being used to address the role of nutrient inputs into the Everglades in causing shifts in marsh food webs.
Purpose:
The objectives of this cooperative effort of FIU, USGS, and NPS are to address questions about predator-prey, competitive, and indirect interactions.
Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 1996
Ending_Date: 2002
Currentness_Reference: publication date
Status:
Progress: Complete
Maintenance_and_Update_Frequency: None planned
Spatial_Domain:
Description_of_Geographic_Extent: Everglades National Park, Florida
Bounding_Coordinates:
West_Bounding_Coordinate: -81.52
East_Bounding_Coordinate: -80.39
North_Bounding_Coordinate: 25.89
South_Bounding_Coordinate: 25.12
Keywords:
Theme:
Theme_Keyword_Thesaurus: none
Theme_Keyword: predator-prey interactions
Theme_Keyword: competitive interactions
Theme_Keyword: indirect interactions
Theme_Keyword: marshes
Theme_Keyword: predation
Theme:
Theme_Keyword_Thesaurus: ISO 19115 Topic Category
Theme_Keyword: biota
Theme_Keyword: inlandwaters
Place:
Place_Keyword_Thesaurus: none
Place_Keyword: Florida Everglades
Place_Keyword: Florida
Taxonomy:
Keywords/Taxon:
Taxonomic_Keyword_Thesaurus: None
Taxonomic_Keywords: fish
Taxonomic_Classification:
Taxon_Rank_Name: Kingdom
Taxon_Rank_Value: Animalia
Taxonomic_Classification:
Taxon_Rank_Name: Phylum
Taxon_Rank_Value: Chordata
Taxonomic_Classification:
Taxon_Rank_Name: Class
Taxon_Rank_Value: Actinopterygii
Taxonomic_Classification:
Taxon_Rank_Name: Order
Taxon_Rank_Value: Perciformes
Taxonomic_Classification:
Taxon_Rank_Name: Family
Taxon_Rank_Value: Centrarchidae
Taxonomic_Classification:
Taxon_Rank_Name: Genus
Taxon_Rank_Value: Lepomis
Taxonomic_Classification:
Taxon_Rank_Name: Species
Taxon_Rank_Value: Lepomis punctatus
Applicable_Common_Name: Spotted sunfish
Taxonomic_Classification:
Taxon_Rank_Name: Order
Taxon_Rank_Value: Cyprinodontiformes
Taxonomic_Classification:
Taxon_Rank_Name: Family
Taxon_Rank_Value: Poeciliidae
Taxonomic_Classification:
Taxon_Rank_Name: Genus
Taxon_Rank_Value: Gambusia
Taxonomic_Classification:
Taxon_Rank_Name: Species
Taxon_Rank_Value: Gambusia affinis
Applicable_Common_Name: Eastern mosquitofish
Access_Constraints: None
Use_Constraints:
Cite primary authors and database when using or publishing these data
Cross_Reference:
Citation_Information:
Originator: Loftus, William F.
Publication_Date: 2000
Title:
Studies of aquatic community structure and dynamics in the seasonally variable wetlands of southern Florida
Geospatial_Data_Presentation_Form: publication
Other_Citation_Details: USGS Flyer
Online_Linkage:
http://fl.biology.usgs.gov/Center_Publications/Fact_Sheets/loftus.pdf
Cross_Reference:
Citation_Information:
Originator: R.C. Taylor and J.C. Trexler
Publication_Date: 1998
Title:
The effects of competition and age structured predation in an Everglades fish community
Geospatial_Data_Presentation_Form: poster
Other_Citation_Details:
American Society of Limnologists and Oceanographers/Ecological Society of America 1998 joint meeting, St. Louis, MO.
Cross_Reference:
Citation_Information:
Originator: Talor, R.C., J.C. Trexler, and W.F. Loftus
Publication_Date: 2001
Title:
Experimental evidence for the roles of intraguild competition and predation as structuring agents of Everglades fish communities
Geospatial_Data_Presentation_Form: publication
Series_Information:
Series_Name: Oecologia
Issue_Identification: 127: 143-152
Cross_Reference:
Citation_Information:
Originator:
Turner, A.M., J.C. Trexler, F. Jordan, S.J. Slack, P. Geddes, and W. Loftus
Publication_Date: 1999
Title:
Conservation of an ecological feature of the Florida Everglades:pattern of standing stocks
Geospatial_Data_Presentation_Form: publication
Series_Information:
Series_Name: Conservation Biology
Issue_Identification: 13: 898-911

Distribution_Information:
Distributor:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Heather S. Henkel
Contact_Organization: U.S. Geological Survey
Contact_Address:
Address_Type: mailing and physical
Address: 600 4th Street South
City: St. Petersburg
State_or_Province: FL
Postal_Code: 33701
Country: USA
Contact_Voice_Telephone: 727-502-8028
Contact_Facsimile_Telephone: 727-502-8182
Contact_Electronic_Mail_Address: hhenkel@usgs.gov
Distribution_Liability: The data have no explicit or implied guarantees.

Metadata_Reference_Information:
Metadata_Date: 20140923
Metadata_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Heather S. Henkel
Contact_Organization: U.S. Geological Survey
Contact_Address:
Address_Type: mailing and physical
Address: 600 4th Street South
City: St. Petersburg
State_or_Province: FL
Postal_Code: 33701
Country: USA
Contact_Voice_Telephone: 727-502-8028
Contact_Facsimile_Telephone: 727-502-8182
Contact_Electronic_Mail_Address: sofia-metadata@usgs.gov
Metadata_Standard_Name:
FGDC Biological Data Profile of the Content Standard for Digital Geospatial Metadata
Metadata_Standard_Version: FGDC-STD-001.1-1999
Metadata_Access_Constraints:
The SOFIA staff were unable to contact the principal investigator(s) for this project, and therefore were unable to obtain a review of the information in the metadata record. Any questions about the information should be directed to the Primary Contact Person listed near the bottom of the metadata record. This metadata record may have been copied from the SOFIA website and may not be the most recent version. Please check https://sofia.usgs.gov/metadata to be sure you have the most recent version.

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Last updated: 23 December, 2016 @ 01:49 PM (KP)