Monitoring the Basking Behavior of Rio Grande Cooter (Pseudemys gorzugi) through Game Cameras in Southeastern New Mexico, USA

Suriyamongkol, Thanchira; Tian, Weizhong; Mali, Ivana

doi:10.3398/064.081.0305

Cited by 4 publications

(1 citation statement)

References 34 publications

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“…As P. gorzugi rely on basking for thermoregulation year-round 47 , the presence/absence of basking structures (i.e., fallen logs) was recorded categorically. Pseudemys goruzgi is also thought to prefer areas abundant with aquatic vegetation for cover, foraging, and basking 26 , 27 .…”

Section: Methodsmentioning

confidence: 99%

Effects of salinization on the occurrence of a long-lived vertebrate in a desert river

Mahan

Bassett

Duarte

et al. 2022

Sci Rep

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The lower Pecos River located in the southwest USA, is a naturally saline river system that has been significantly altered in relatively recent years. Climate change, coupled with anthropogenic disturbances such as dam construction have led to portions of the river becoming more susceptible to increased salinization and declines in water quality. These alterations have been documented to be detrimental to multiple freshwater communities; however, there is a lack of knowledge on how these alterations influence long-lived species in the river, such as freshwater turtles, where the effects can appear over dramatically different temporal scales. The Rio Grande Cooter (Pseudemys gorzugi) is a species of concern known to occur in the Pecos River. To understand the current distribution and habitat requirements for P. gorzugi in the Pecos River, we used a single-season, single-species occupancy modeling framework to estimate occurrence while accounting for the sampling process. Day of year, water surface area, and water visibility had the greatest influence on the ability to detect the species given a sampling unit is occupied. Conductivity (a measure of salinity) had the greatest influence on the occupancy probability for the species, where sites with higher conductivity coincided with lower occupancy probabilities. This study indicates that increased salinization on the lower Pecos River is a cause for concern regarding freshwater turtle populations within the Chihuahuan Desert.

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Section: Methodsmentioning

confidence: 99%

Effects of salinization on the occurrence of a long-lived vertebrate in a desert river

Mahan

Bassett

Duarte

et al. 2022

Sci Rep

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Population dynamics of a desert riverine turtle, Pseudemys gorzugi, at the northern edge of its range

Mali,

Duarte

2024

Wildlife Biology

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Estimating the key demographic parameters of animal populations can enhance our understanding of system dynamics and assist in developing and improving conservation decision–support models. The Rio Grande cooter Pseudemys gorzugi is a conservation reliant freshwater turtle native to lower Rio Grande River Basin (USA and Mexico), with limited knowledge regarding its natural history and population dynamics. In this study, we used seven years of capture–mark–recapture data from the northern edge of the species' range to estimate survival probabilities, changes in abundance, and the probability of transitioning between different size classes while explicitly accounting for the sampling process. We found relatively high survival probabilities across different strata, with large juveniles exhibiting the highest survival (0.98) and small juveniles the lowest (0.71). However, transition probabilities between strata were low, indicating slow somatic growth rates. Our pattern‐oriented modelling revealed a low overall mean estimate of egg survival (0.024), warranting further empirical confirmation. Our study provides the first comprehensive demographic analysis of P. gorzugi encompassing an array of size and sex classes. Overall, we consider the population of P. gorzugi in the Black River robust, highlighting the importance of this river system to the species' persistence in the northern extent of its range, where the population is isolated from its broader distribution. The demographic estimates and ecological insights provided by our study offer critical data for parameterizing decision‐support models to ensure that P. gorzugi conservation strategies are grounded in the best available science.

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Conservation implications of somatic growth and length-at-age in Pseudemys gorzugi, Rio Grande Cooter

Suriyamongkol,

Siders,

Mali

2024

Hydrobiologia

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Monitoring the Basking Behavior of Rio Grande Cooter (Pseudemys gorzugi) through Game Cameras in Southeastern New Mexico, USA

Cited by 4 publications

References 34 publications

Effects of salinization on the occurrence of a long-lived vertebrate in a desert river

Effects of salinization on the occurrence of a long-lived vertebrate in a desert river

Population dynamics of a desert riverine turtle, Pseudemys gorzugi, at the northern edge of its range

Conservation implications of somatic growth and length-at-age in Pseudemys gorzugi, Rio Grande Cooter

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