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Morphometric data for five freshwater turtles in south, central, and west Texas.

ABSTRACT: From 2008 to 2013, we sampled freshwater turtle populations at 66 sites in south, central, and west Texas, USA. Sampling sites included ponds, lakes, resacas (oxbow lakes), canals, and rivers. We sampled turtle populations using baited hoop nets (66 sites) and basking traps (3 sites), and captured turtles by hand opportunistically in terrestrial habitat. We measured carapace length and width, plastron length and width, body depth, and weight of captured turtles. Excluding recaptures, we measured 356 Apalone spinifera emoryi (Texas Spiny Softshell), 24 Chelydra serpentina (Snapping Turtle), 20 Kinosternon flavescens (Yellow Mud Turtle), 47 Trachemys gaigeae (Big Bend Slider), and 1070 Trachemys scripta elegans (Red-eared Slider). Carapace length of Apalone spinifera emoryi ranged from 85 to 426 mm (mean = 182 mm). Carapace length of Chelydra serpentina ranged from 74 to 320 mm (mean = 233 mm). Carapace length of Kinosternon flavescens ranged from 64 to 147 mm (mean = 114 mm). Carapace length of Trachemys gaigeae ranged from 54 to 203 mm (mean = 141 mm). Carapace length of Trachemys scripta elegans ranged from 30 to 328 mm (mean = 171 mm). These data are useful for assessing spatial and temporal variation in size and body condition of freshwater turtles.

SUBMITTER: Brown DJ

PROVIDER: S-EPMC7075796 | biostudies-literature | 2020 Apr

REPOSITORIES: biostudies-literature

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Morphometric data for five freshwater turtles in south, central, and west Texas.

Brown Donald J DJ Mali Ivana I Jones Melissa C MC Forstner Michael R J MRJ

Data in brief 20200229

From 2008 to 2013, we sampled freshwater turtle populations at 66 sites in south, central, and west Texas, USA. Sampling sites included ponds, lakes, resacas (oxbow lakes), canals, and rivers. We sampled turtle populations using baited hoop nets (66 sites) and basking traps (3 sites), and captured turtles by hand opportunistically in terrestrial habitat. We measured carapace length and width, plastron length and width, body depth, and weight of captured turtles. Excluding recaptures, we measured ...[more]

PMID: 32195296

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Project description:The present Data In Brief methodological paper details the acquisition, mining and pre-processing of elemental concentration data in marine sediments (coastal and open sea) of Southern England, presented and discussed in the co-submitted Environment International paper entitled: "Three decades of trace element sediment contamination: the mining of governmental databases and the need to address hidden sources for clean and healthy seas" [1]. Elemental sediment concentration data were obtained from the two main UK environmental sources, i.e. the Environment Agency (EA) and the Marine Environment Monitoring and Assessment National (MERMAN) database managed by the British Oceanographic Data Centre (BODC). The merged database is the result of a rigorous data selection-validation process and provides spatially and temporally extensive records of arsenic (As), cadmium (Cd), chromium (Cr), copper (Cu), iron (Fe), mercury (Hg), nickel (Ni), lead (Pb) and zinc (Zn) concentrations for hundreds of sites over 31 years (1983-2013). Additional records of manganese (Mn), aluminium (Al), lithium (Li), tin (Sn) [and tributyltin (TBT)], barium (Ba), antimony (Sb), boron (B), calcium (Ca), molybdenum (Mo), cobalt (Co), selenium (Se), potassium (K), magnesium (Mg), beryllium (Be), vanadium (V), titanium (Ti), sodium (Na), silver (Ag), thallium (Tl) and strontium (Sr) are also included. The full secondary database is hosted in the Mendeley Data repository and the geo-spatial information to map sites is given in supplementary files to the paper. To provide end-users with the relevant context on spatial and temporal coverage, monitoring statistics are given for the nine trace elements (TEs). Site-specific statistics include: the first and last year of sediment monitoring, the number of years monitored, and minimum, maximum, mean and median numbers of years monitored. Also given are summary data on the number of sites monitored each year, from the first records from 1983 to 2013. For the nine TEs (total and strong acid digestion techniques are considered separately for Cr and Fe), monitoring statistics are presented separately for coastal and open sea sites. Data are relevant to diverse end-users to assess the local and regional contaminant loads and to contextualize anthropogenic threats to benthic systems in multiple locations from the French/English Channel, southern North and Celtic Seas.

Dataset Information

Morphometric data for five freshwater turtles in south, central, and west Texas.

Publications

Morphometric data for five freshwater turtles in south, central, and west Texas.

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