Sarah W. Fitzpatrick
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View article: Inbreeding reduces fitness in spatially structured populations of a threatened rattlesnake
Inbreeding reduces fitness in spatially structured populations of a threatened rattlesnake Open
Small and fragmented populations are at high risk of local extinction, in part because of elevated inbreeding and subsequent inbreeding depression. A major conservation priority is to identify the mechanisms and extent of inbreeding depres…
View article: Translocations contribute to population rescue in an imperiled woodpecker
Translocations contribute to population rescue in an imperiled woodpecker Open
Anthropogenic destruction and fragmentation of habitat restrict many species to small, isolated populations, which often experience high extirpation risk. Restoring connectivity through translocations is one approach for mitigating the dem…
View article: Balancing Inbreeding and Outbreeding Risks to Inform Translocations Throughout the Range of an Imperiled Darter
Balancing Inbreeding and Outbreeding Risks to Inform Translocations Throughout the Range of an Imperiled Darter Open
Restoring connectivity via assisted migration is a useful but currently underused approach for maintaining genetic diversity and preventing extirpations of threatened species. The use of assisted migration as a conservation strategy may be…
View article: Whole-genome sequencing across space and time reveals impact of population decline and reduced gene flow in Florida Scrub-Jays
Whole-genome sequencing across space and time reveals impact of population decline and reduced gene flow in Florida Scrub-Jays Open
Summary Whole-genome sequence data is proving to be highly informative about the past demography of free-living populations, and in the context of endangered species, it can provide a quantification of the genetic risk posed by reduced gen…
View article: Pitfalls and windfalls of detecting demographic declines using population genetics in long‐lived species
Pitfalls and windfalls of detecting demographic declines using population genetics in long‐lived species Open
Detecting recent demographic changes is a crucial component of species conservation and management, as many natural populations face declines due to anthropogenic habitat alteration and climate change. Genetic methods allow researchers to …
View article: Pitfalls and windfalls of detecting demographic declines using population genetics in long-lived species
Pitfalls and windfalls of detecting demographic declines using population genetics in long-lived species Open
Detecting recent demographic changes is a crucial component of species conservation and management, as many natural populations face declines due to anthropogenic habitat alteration and climate change. Genetic methods allow researchers to …
View article: Translocations spur population growth but exacerbate inbreeding in an imperiled species
Translocations spur population growth but exacerbate inbreeding in an imperiled species Open
Land and natural resource usage that supports human society can pose a risk to the survival of other species, spurring biodiversity loss. In extreme cases, when development threatens the existence of individuals, wildlife managers may perf…
View article: Genetic rescue remains underused for aiding recovery of federally listed vertebrates in the United States
Genetic rescue remains underused for aiding recovery of federally listed vertebrates in the United States Open
Restoring gene flow among fragmented populations is discussed as a potentially powerful management strategy that could reduce inbreeding depression and cause genetic rescue. Yet, examples of assisted migration for genetic rescue remain spa…
View article: Understanding Local Adaptation to Prepare Populations for Climate Change
Understanding Local Adaptation to Prepare Populations for Climate Change Open
Adaptation within species to local environments is widespread in nature. Better understanding this local adaptation is critical to conserving biodiversity. However, conservation practices can rely on species’ trait averages or can broadly …
View article: Harlequin frog rediscoveries provide insights into species persistence in the face of drastic amphibian declines
Harlequin frog rediscoveries provide insights into species persistence in the face of drastic amphibian declines Open
Amphibians face global declines, and it remains unclear the extent to which species have responded, and through what mechanisms, to persist in the face of emerging diseases and climate change. In recent years, the rediscovery of species co…
View article: Shifts in gut microbiome across five decades of repeated guppy translocations in Trinidadian streams
Shifts in gut microbiome across five decades of repeated guppy translocations in Trinidadian streams Open
An organism's gut microbiome can alter its fitness, yet we do not know how gut microbiomes change as their hosts evolve in the wild. We took advantage of a five-decade ‘chronosequence’ of translocated fish populations to examine associated…
View article: Understanding Local Adaptation to Prepare Populations for Climate Change
Understanding Local Adaptation to Prepare Populations for Climate Change Open
Adaptation within species to local environments is widespread in nature. Better understanding this local adaptation is critical to conserving biodiversity. However, conservation practices can rely on species' trait averages or can broadly …
View article: The crucial role of genome-wide genetic variation in conservation
The crucial role of genome-wide genetic variation in conservation Open
The unprecedented rate of extinction calls for efficient use of genetics to help conserve biodiversity. Several recent genomic and simulation-based studies have argued that the field of conservation biology has placed too much focus on con…
View article: Author response for "Reproductive benefits associated with dispersal in headwater populations of Trinidadian guppies ( Poecilia reticulata )"
Author response for "Reproductive benefits associated with dispersal in headwater populations of Trinidadian guppies ( Poecilia reticulata )" Open
Populations that are asymmetrically isolated, such as above waterfalls, can sometimes export emigrants in a direction from which they do not receive immigrants, and thus provide an excellent opportunity to study the evolution of dispersal …
View article: The crucial role of genome-wide genetic variation in conservation
The crucial role of genome-wide genetic variation in conservation Open
The unprecedented rate of extinction calls for efficient use of genetics to help conserve biodiversity. Several recent genomic and simulation-based studies have argued that the field of conservation biology has placed too much focus on the…
View article: Testing Demographic Methods Using Field Studies of Five Dissimilar Species
Testing Demographic Methods Using Field Studies of Five Dissimilar Species Open
We analyzed how the choice of different modeling frameworks influences the results of demographic analyses, with the goal of assessing how robust population predictions are to different methods and assumptions. Our simulation tests use dat…
View article: Dead Shells Bring to Life Baselines for Conservation, Revealing Invisible Biodiversity Loss <sup>†</sup>
Dead Shells Bring to Life Baselines for Conservation, Revealing Invisible Biodiversity Loss <sup>†</sup> Open
We are living in a time of rapid biodiversity loss. Numerous studies have shown that modern extinction rates are higher than pre-human background rates. However, these biodiversity studies almost exclusively focus on large vertebrates: mam…
View article: A critical comparison of integral projection and matrix projection models for demographic analysis
A critical comparison of integral projection and matrix projection models for demographic analysis Open
Structured demographic models are among the most common and useful tools in population biology. However, the introduction of integral projection models (IPMs) has caused a profound shift in the way many demographic models are conceptualize…
View article: Gut microbiome diverges quickly with rapid host evolution in Trinidadian guppies
Gut microbiome diverges quickly with rapid host evolution in Trinidadian guppies Open
We took advantage of a five-decade ‘chronosequence’ of host-microbiome evolution to examine changes in the gut microbiome as wild populations evolve. In an iconic example of rapid evolution in the wild, Trinidadian guppies have displayed p…
View article: Genome‐wide diversity and habitat underlie fine‐scale phenotypic differentiation in the rainbow darter (<i>Etheostoma caeruleum</i>)
Genome‐wide diversity and habitat underlie fine‐scale phenotypic differentiation in the rainbow darter (<i>Etheostoma caeruleum</i>) Open
Adaptation to environmental change requires that populations harbor the necessary genetic variation to respond to selection. However, dispersal‐limited species with fragmented populations and reduced genetic diversity may lack this variati…
View article: Rapture-ready darters: choice of reference genome and genotyping method (whole-genome or sequence capture) influence population genomic inference in<i>Etheostoma</i>
Rapture-ready darters: choice of reference genome and genotyping method (whole-genome or sequence capture) influence population genomic inference in<i>Etheostoma</i> Open
Researchers studying non-model organisms have an increasing number of methods available for generating genomic data. However, the applicability of different methods across species, as well as the effect of reference genome choice on popula…
View article: Genomic and Fitness Consequences of Genetic Rescue in Wild Populations
Genomic and Fitness Consequences of Genetic Rescue in Wild Populations Open
Gene flow is an enigmatic evolutionary force because it can limit adaptation but may also rescue small populations from inbreeding depression [1-3]. Several iconic examples of genetic rescue-increased population growth caused by gene flow …
View article: Recent evolutionary history predicts population but not ecosystem‐level patterns
Recent evolutionary history predicts population but not ecosystem‐level patterns Open
In the face of rapid anthropogenic environmental change, it is increasingly important to understand how ecological and evolutionary interactions affect the persistence of natural populations. Augmented gene flow has emerged as a potentiall…
View article: Genetic rescue without genomic swamping in wild populations
Genetic rescue without genomic swamping in wild populations Open
Gene flow is an enigmatic evolutionary force because it can limit adaptation but can also help populations escape inbreeding depression. Manipulating gene flow for conservation purposes is a controversial, but potentially powerful manageme…
View article: Does gene flow aggravate or alleviate maladaptation to environmental stress in small populations?
Does gene flow aggravate or alleviate maladaptation to environmental stress in small populations? Open
Environmental change can expose populations to unfamiliar stressors, and maladaptive responses to those stressors may result in population declines or extirpation. Although gene flow is classically viewed as a cause of maladaptation, small…
View article: Issue Information
Issue Information Open
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