Cody Aylward

Cody Aylward
University of Minnesota Twin Cities | UMN

Doctor of Philosophy

About

12
Publications
935
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28
Citations
Introduction
I am a Post-Doctoral Scholar at the University of Minnesota. My research focuses on special-status mammals in fragmented distributions. I use a combination of genetic/genomic techniques and predictive modeling to answer questions about habitat quality, gene flow, demographic history, local adaptation, and basic ecology. Please see my website (https://cmaylward.com) for more information about my research.
Additional affiliations
June 2018 - March 2020
University of California, Davis
Position
  • PhD Student
Description
  • Genomic applications to salt marsh harvest mouse conservation
September 2015 - July 2017
University of Vermont
Position
  • Master's Student
August 2015 - April 2017
University of Vermont
Position
  • MS Student
Description
  • Conservation genetics of American marten in the northeastern United States

Publications

Publications (12)
Article
The American marten Martes americana is a species of conservation concern in the northeastern United States due to widespread declines from over‐harvesting and habitat loss. Little information exists on current marten distribution and how landscape characteristics shape patterns of occupancy across the region, which could help develop effective rec...
Article
Full-text available
American marten were extirpated from much of their native range in the northeastern United States as a result of land development and overharvesting before the mid-twentieth century. Based on occurrence records, recolonization in the late twentieth century was believed to have occurred via natural population expansion from two refugia: northern Mai...
Article
Full-text available
American marten (Martes americana) are a conservation priority in many forested regions of North America. Populations are fragmented at the southern edge of their distribution due to suboptimal habitat conditions. Facilitating gene flow may improve population resilience through genetic and demographic rescue. We used a multiscale approach to estima...
Article
Full-text available
The salt marsh harvest mouse (Reithrodontomys raviventris; RERA) is an endangered species endemic to the coastal wetlands of the San Francisco Estuary, California. RERA are specialized to saline coastal wetlands, and their historical range has been severely impacted by landscape conversion and the introduction of non-native plant and rodent species...
Article
Full-text available
Noninvasive genetic surveys, often conducted by collecting fecal samples, have become a popular tool for surveying wildlife, but have primarily been applied to species with large and conspicuous scat. Although many small mammals are threatened, endangered, or data deficient, noninvasive genetic surveys have rarely been applied due to the challenges...
Article
Full-text available
Preserving the genetic diversity of endangered species is fundamental to their conservation and requires an understanding of genetic structure. In turn, identification of landscape features that impede gene flow can facilitate management to mitigate such obstacles and help with identifying isolated populations. We conducted a landscape genetic stud...
Article
Full-text available
During fall migration, bird‐eating raptors are thought to rely on flocks of migrant songbirds (Passeriformes) as a critical resource to fuel the energetic demands of long‐distance migration. However, this hypothesis has been challenging to investigate, and the foraging ecology during migration of most migrant raptors remains unexplored. To address...
Article
Full-text available
The critically endangered Amargosa vole (Microtus californicus scirpensis) is found only in rare marsh habitat near Tecopa, California in a plant community dominated by three-square bulrush (Schoenoplectus americanus). Since the earliest research on the Amargosa vole, the existing paradigm has been that these voles are obligatorily dependent on bul...
Data
Mapped occupancy probability of American marten in the northeastern United States estimated from a model-average of three top-scoring models based on expert elicitation techniques. Environmental covariates in the averaged model are canopy cover, spruce-fir land cover, winter temperature, elevation, and road density. Models were fit using a mixed-ef...
Data
Effects of canopy (percent cover), winter temperature (degrees Celsius; mean daily high from November-March), road density (km/sq. km), elevation (meters), and spruce-fir forest (percent land cover) on American marten occupancy in the northeastern United States in the three top-scoring models (a = Canopy + Temp + Roads; b = Canopy + Elevation + Roa...
Thesis
Full-text available
The American marten (Martes americana) is an endangered species in Vermont and a Regional Species of Greatest Conservation Need in the northeastern United States. Though historically widespread in northeastern forests, their range presumably contracted to northern Maine and the High Peaks region of the Adirondacks by the early 1900s. Regionally, po...

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Projects

Projects (3)
Project
We seek to understand the diet composition of bird-eating raptors during fall migration, and to what extent prey-tracking of songbirds may be occurring along the Pacific Flyway. We aim to identify trace prey DNA to species from samples collected by swabbing the beaks and talons raptors trapped at banding stations operated by the Golden Gate Raptor Observatory. This novel dietary study technique has the potential to reveal ecological interactions within migratory flyways, and opens up opportunities to safely study the diet of raptor species around the world.