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Diet and foraging ecology of diamondback terrapins (Malaclemys Terrapin) in south Florida
Title
Diet and foraging ecology of diamondback terrapins (Malaclemys Terrapin) in south Florida.
Creator
Denton, Mathew, Baldwin, John D., Florida Atlantic University, Charles E. Schmidt College of Science, Center for Environmental Studies
Abstract/Description
Dietary resource use for diamondback terrapins (Malaclemys terrapins) in subtropical mangrove habitats in south Florida creeks and islands was examined to elucidate long-term individual foraging strategies. Fecal analysis revealed seven categories of food items with gastropods, crabs, and bivalves being the most dominant food items respectively. Non-metric multidimensional scaling revealed differences in habitat, but not terrapin size class. Stable isotope analysis confirmed the findings,...
Show moreDietary resource use for diamondback terrapins (Malaclemys terrapins) in subtropical mangrove habitats in south Florida creeks and islands was examined to elucidate long-term individual foraging strategies. Fecal analysis revealed seven categories of food items with gastropods, crabs, and bivalves being the most dominant food items respectively. Non-metric multidimensional scaling revealed differences in habitat, but not terrapin size class. Stable isotope analysis confirmed the findings, identifying habitat and site differences in δ13C and δ15N values for both terrapins and their prey. Bi-plots of terrapin and potential prey δ 13C and δ 15N values revealed potential dietary sources previously undetermined by fecal analysis. Comparisons of scute and blood isotope data revealed significant differences in δ13C indicating potential shifts in either food resources and/or habitat use through the time period recorded in the scute tissue. These tissue comparisons represent a powerful tool for estimating long term foraging strategies for a key estuarine species.
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Date Issued
2014
PURL
http://purl.flvc.org/fau/fd/FA00004101
Subject Headings
Diamondback terrapin -- Habitat -- Florida., Diamondback terrapin -- Ecology -- Florida., Predation (Biology)
Format
Document (PDF)
Movement Ecology and Hematology of the Florida East Coast Diamondback Terrapin (Malaclemys terrapin tequesta) in the Central Indian River Lagoon
Title
Movement Ecology and Hematology of the Florida East Coast Diamondback Terrapin (Malaclemys terrapin tequesta) in the Central Indian River Lagoon.
Creator
Herr, Jeffrey Swersie, Moore, Jon A., Florida Atlantic University, Department of Biological Sciences, Charles E. Schmidt College of Science
Abstract/Description
Diamondback terrapins (Malaclemys terrapin) are an exclusively brackish water turtle found along the east coast of the United States. Very little is known about the Florida east coast diamondback terrapin (M. t. tequesta). This study examined wild terrapins in the central Indian River Lagoon to establish baseline population parameters for the species in this region. Morphometrics were assessed for the sampled animals, reinforcing findings of sexual dimorphism for the species. Acoustic...
Show moreDiamondback terrapins (Malaclemys terrapin) are an exclusively brackish water turtle found along the east coast of the United States. Very little is known about the Florida east coast diamondback terrapin (M. t. tequesta). This study examined wild terrapins in the central Indian River Lagoon to establish baseline population parameters for the species in this region. Morphometrics were assessed for the sampled animals, reinforcing findings of sexual dimorphism for the species. Acoustic monitoring was used to investigate terrapin occupancy and habitat use. Occupancy differed seasonally, with the highest occupancy in the summer and fall, lower occupancy in the spring, and the lowest occupancy in the winter. Terrapins were detected most commonly and spent a high percentage of their time in the southern portion of the study site. Reference blood chemistry values were established for the population. This study provided baseline information on a Species of Greatest Conservation Need in Florida.
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Date Issued
2021
PURL
http://purl.flvc.org/fau/fd/FA00013863
Subject Headings
Diamondback terrapin--Ecology, Indian River (Fla. : Lagoon), Diamondback terrapin--Conservation
Format
Document (PDF)
Diet and foraging ecology of diamondback terrapins (malaclemys terrapin) in Everglades National Park, FL.
Title
Diet and foraging ecology of diamondback terrapins (malaclemys terrapin) in Everglades National Park, FL.
Creator
Denton, Mathew, Demopoulos, Amanda W. J., Hart, Kristen, Oleinik, Anton E., Baldwin, John D., Graduate College
Date Issued
2013-04-12
PURL
http://purl.flvc.org/fcla/dt/3361924
Subject Headings
Diamondback terrapin--Ecology--United States, Malaclemys terrapin, Everglades National Park (Fla.)
Format
Document (PDF)