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Creators/Authors contains: "Doak, Daniel F."

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  1. ; ; ; ; ( , Current Biology)
    Free, publicly-accessible full text available April 1, 2023
  2. ; ; ( , Restoration Ecology)
    Free, publicly-accessible full text available February 11, 2023
  3. ; ; ; ; ; ; ; ; ( , Ecology)
    Free, publicly-accessible full text available May 1, 2023
  4. ; ; ( , Ecosphere)
    Full Text Available 
  5. ; ; ; ; ; ; ( , Ecology Letters)
    Novotny, Vojtech (Ed.)
    Free, publicly-accessible full text available September 1, 2022
  6. ; ; ; ; ; ; ; ; ; ( , Ecology)
    Free, publicly-accessible full text available October 1, 2022
  7. ; ; ; ( , Ecology Letters)
    Levine, Jonathan (Ed.)
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  8. ; ( , Scientific Reports)
    Abstract Standard procedures for capture–mark–recapture modelling (CMR) for the study of animal demography include running goodness-of-fit tests on a general starting model. A frequent reason for poor model fit is heterogeneity in local survival among individuals captured for the first time and those already captured or seen on previous occasions. This deviation is technically termed a transience effect. In specific cases, simple, uni-state CMR modeling showing transients may allow researchers to assess the role of these transients on population dynamics. Transient individuals nearly always have a lower local survival probability, which may appear for a number of reasons. In mostmore »cases, transients arise due to permanent dispersal, higher mortality, or a combination of both. In the case of higher mortality, transients may be symptomatic of a cost of first reproduction. A few studies working at large spatial scales actually show that transients more often correspond to survival costs of first reproduction rather than to permanent dispersal, bolstering the interpretation of transience as a measure of costs of reproduction, since initial detections are often associated with first breeding attempts. Regardless of their cause, the loss of transients from a local population should lower population growth rate. We review almost 1000 papers using CMR modeling and find that almost 40% of studies fitting the searching criteria (N = 115) detected transients. Nevertheless, few researchers have considered the ecological or evolutionary meaning of the transient phenomenon. Only three studies from the reviewed papers considered transients to be a cost of first reproduction. We also analyze a long-term individual monitoring dataset (1988–2012) on a long-lived bird to quantify transients, and we use a life table response experiment (LTRE) to measure the consequences of transients at a population level. As expected, population growth rate decreased when the environment became harsher while the proportion of transients increased. LTRE analysis showed that population growth can be substantially affected by changes in traits that are variable under environmental stochasticity and deterministic perturbations, such as recruitment, fecundity of experienced individuals, and transient probabilities. This occurred even though sensitivities and elasticities of these parameters were much lower than those for adult survival. The proportion of transients also increased with the strength of density-dependence. These results have implications for ecological and evolutionary studies and may stimulate other researchers to explore the ecological processes behind the occurrence of transients in capture–recapture studies. In population models, the inclusion of a specific state for transients may help to make more reliable predictions for endangered and harvested species.« less
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  9. ; ; ; ; ; ; ; ; ( , The Bulletin of the Ecological Society of America)
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  10. ; ; ; ; ; ; ; ; ; ( , Journal of Ecology)
    Stott, Iain (Ed.)
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