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Genetic introgression and the survival of Florida panther kittens

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TLDR
This work used multiple sources of data collected during 1982-2008 and a live recapture-dead recovery modeling framework to estimate and model survival of Florida panther kittens and found that kitten survival generally increased with degree of admixture.
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This article is published in Biological Conservation.The article was published on 2010-11-01 and is currently open access. It has received 39 citations till now. The article focuses on the topics: Florida Panther.

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Genetic rescue in Isle Royale wolves: genetic analysis and the collapse of the population

TL;DR: Past gene flow suggests that human- assisted gene flow is necessary to conserve the ecosystem services associated with predation, since climate warming has reduced the frequency of ice bridges and with it the only opportunity for unassisted gene flow.
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Redefining the Role of Admixture and Genomics in Species Conservation

TL;DR: A conceptual framework under which Hybridization, even extensive hybridization, no longer disqualifies a species from protection is promoted; instead, customized case‐by‐case management is encouraged to protect evolutionary potential and maintain processes that sustain ecosystems.
Journal ArticleDOI

Interactions between demography, genetics, and landscape connectivity increase extinction probability for a small population of large carnivores in a major metropolitan area

TL;DR: Modelling the dynamics of a small mountain lion population isolated by anthropogenic barriers in greater Los Angeles, California, to evaluate the influence of demographic, genetic, and landscape factors on extinction probability provides empirical support for the central tenet of the extinction vortex.
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A cat's tale: the impact of genetic restoration on Florida panther population dynamics and persistence

TL;DR: Examination of the dynamics and persistence of the endangered Florida panther Puma concolor coryi population and the potential influence of genetic restoration on population growth and persistence parameters provides strong evidence that genetic restoration substantially contributed to the observed increases in theFlorida panther population.
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Possible Extinction Vortex for a Population of Iberian Lynx on the Verge of Extirpation

TL;DR: The co-occurrence, with or without interaction, of demographic and genetic deterioration may explain the lack of success of conservation efforts with the Doñana population of Iberian lynx.
References
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Journal ArticleDOI

Inference of population structure using multilocus genotype data

TL;DR: Pritch et al. as discussed by the authors proposed a model-based clustering method for using multilocus genotype data to infer population structure and assign individuals to populations, which can be applied to most of the commonly used genetic markers, provided that they are not closely linked.
BookDOI

Markov Chain Monte Carlo in Practice

TL;DR: The Markov Chain Monte Carlo Implementation Results Summary and Discussion MEDICAL MONITORING Introduction Modelling Medical Monitoring Computing Posterior Distributions Forecasting Model Criticism Illustrative Application Discussion MCMC for NONLINEAR HIERARCHICAL MODELS.
Journal ArticleDOI

Program MARK: survival estimation from populations of marked animals

TL;DR: Mark as discussed by the authors provides parameter estimates from marked animals when they are re-encountered at a later time as dead recoveries, or live recaptures or re-sightings.
Book

Model selection and multimodel inference

TL;DR: The first € price and the £ and $ price are net prices, subject to local VAT, and the €(D) includes 7% for Germany, the€(A) includes 10% for Austria.
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Q1. What are the contributions in "Genetic introgression and the survival of florida panther kittens" ?

Their approach to integrate data from multiple sources was effective at improving robustness as well as precision of estimates of Florida panther kitten survival, and can be useful in estimating vital rates for other elusive species with sparse data. 

The authors estimated temporal standard deviation of kitten survival (σ) at 0.199 (95% credible interval = 0.011 – 0.380) and 0.077 (95% credible interval = 0.003 – 0.234) using models without and with abundance index, respectively. 

The slightly lower estimate of sub-adult female survival may be in part due to a death of a female panther near her estimated 1st birthday that was categorized as a sub-adult in the kitten analysis and as a kitten in the adult analysis. 

From the most general models remaining (with 13 parameters), the model S(k<3, 3≤k<9, k≥9) p(k:DO, s&a) r(k<3, k≥3, s&a) had the lowest AICc and was used in the litter bootstrap to estimate ĉ. 

The ages of 91 radio-collared panthers not handled as kittens in the den were estimated as previously described; 11 were estimated to be < 1 year of age. 

These results suggest that estimates of kitten survival obtained from data organized in 3 monthtime steps lacked precision and robustness, most likely due to sample size limitations. 

Model-averaged estimates of annual survival of Florida panther kittens based on 3 ancestry categories, including two different base models. 

The kittens of Texas cougars may have been more likely to be captured than other kittens, due to greater efforts expended to capture those kittens (model 1, Table C1A). 

Full model-averaged estimated kitten survivals increased from canonical to other admixed to F1 admixed (Figure D3), and were slightly lower for all ancestry classes than model averages from the base model alone (Figure A1). 

The FWC and National Park Service (NPS) instituted a policy in November 2001 restricting the capturing and radio-collaring of kittens < 12 months in age.