Welcome to the Funk Lab

We strive to understand the ecological and evolutionary mechanisms that generate and maintain biological diversity using population genomics, experimental manipulations, and field studies. Our goal is to not only test basic ecological and evolutionary theory, but also directly inform policy and management decisions that will ultimately determine the fate of biodiversity.

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Sarah Fitzpatrick’s paper on the genomic and fitness consequences of genetic rescue published in Current Biology!

Trinidadian guppies (Poecilia reticulata) (Photo: Chris Funk)

Although gene flow may limit adaptation, it can also rescue small, inbred populations. Sarah Fitzpatrick–former Funk lab PhD student and current Assistant Professor at Michigan State University–led our paper just out in Current Biology documenting genetic rescue in wild populations of Trinidadian guppies. Combining wild […]

Collaborative research on genetic rescue featured in Science magazine!

Trinidadian guppy pair. Photo credit: Paul Bentzen.

Our collaborative research on genetic rescue was featured in Science magazine. Former Funk Lab PhD student, Dr. Sarah Fitzpatrick (now an Assistant Professor at Michigan State University), was featured prominently in the article written by Elizabeth Pennisi. Sarah talked about our latest research using guppies […]

John Kronenberger’s paper on an experimental test of genetic rescue using Trinidadian guppies accepted in Conservation Biology!!!

Congratulations to John Kronenberger–a former Funk Lab MS student–and colleagues for successfully publishing the last chapter of his MS thesis in Conservation Biology. John used replicate lab populations of Trinidadian guppies to test the effects of augmenting small, isolated populations with different types of immigrants. He found no evidence for demographic rescue, but did […]

Congratulations to John Kronenberger for successfully defending his Masters!!!

Congratulations to John Kronenberger for successfully defending his Masters!!! He did a fantastic job! Wishing him the best on the PCT and in his future endeavors!

John Kronenberger’s paper featured in Animal Conservation!

John Kronenberger’s paper on the effects of divergent immigrants on population fitness using guppies as a model system was featured in the recent issue of Animal Conservation, including this beautiful cover image. Three prominent conservation biologists also wrote companion papers discussing John’s results (L. Scott Mills, Catherine Grueber, and David Tallmon), and John wrote […]

Sarah Fitzpatrick wins 2017 ASN Young Investigator Award!!!

A huge congratulations to Dr. Sarah Fitzpatrick for being awarded the prestigious Young Investigator’s Award from the American Society of Naturalists!!! See the official announcement here and the CSU SOURCE story here.

John Kronenberger’s manuscript on the effects of divergent immigrants on small populations accepted in Animal Conservation!

John Kronenberger, guppy biologist extraordinaire, taking shelter from the rain while sampling guppies in Trinidad.

A paper by John Kronenberger, Chris Funk, Jedidiah Smith, Sarah Fitzpatrick, Lisa Angeloni, Dale Broder, and Emily Ruell has been accepted for publication in Animal Conservation! Augmenting threatened populations with immigrants from elsewhere can be a valuable […]

Historic guppy transplant experiments in Trinidad provide a replicated test of the balance between selection and gene flow in nature, revealing that adaptive traits are maintained in the face of high gene flow

Sarah Fitzpatrick (PhD candidate), Lisa Angeloni (Associate Professor), Jill Gerberich (REU student), John Kronenberger (PhD student), and Chris Funk (Associate Professor) set out to the streams of Trinidad to investigate the impacts of previous transplant experiments where Trinidadian guppies were moved from stream localities with many predators into upstream tributaries with few predators. Guppies […]

Sarah Fitz awarded a Reed Fellowship to study the guppy microbiome and diet!

Congrats to Sarah Fitz for being awarded a Reed Fellowship to study the microbiome and diet of Trinidadian guppies!! She and her collaborators will be testing the effects of host genetics and environmental variation on their gut microbiomes.

Congratulations to Jill Gerberich for being awarded a Sigma Xi Grant-in-Aid of Research!!

Congrats to Jill Gerberich for being awarded a Grant-in-Aid of Research from Sigma Xi! She’ll be using the funding for her undergraduate research on dispersal and gene flow in Trinidadian guppies.