Tag Archives: landscape genetics

Recent reading: 1 April 2022

April Fool’s Day is no one’s favorite holiday, as far as I can tell. I do remember a time when it was sort of fun to be listening to Morning Edition over breakfast and slowly realize that the totally serious-sounding … Continue reading

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Genes rolling down the river

Sarah Shainker wrote this post as a part of Dr. Stacy Krueger-Hadfield’s Conservation Genetics course at the University of Alabama at Birmingham. Sarah completed a B.S. in Marine Biology at the College of Charleston before serving as a Peace Corps volunteer in the Philippines, … Continue reading

Posted in bioinformatics, blogging, citizen science, Coevolution, community ecology, comparative phylogeography, DNA barcoding, ecology, evolution, fieldwork, haploid-diploid, natural history, Science Communication | Tagged , , , | 2 Comments

Go north, young salamander

Posted in natural history, population genetics | Tagged , , | Leave a comment

The biggest problem in landscape genetics and how to fix it

Landscape genetics is a field that has expanded rapidly in recent years, but that doesn’t mean that it hasn’t gone without criticism. Perhaps the largest problem with landscape genetics (LG) studies is one of timing. If you observe genetic differentiation … Continue reading

Posted in methods, Molecular Ecology, the journal, population genetics | Tagged , | 2 Comments

Long distance dispersal of modern humans outside of Africa

Long distance dispersal (LDD) has long known to be an artifact of human migrations out of Africa. However, the effects of LDD on modern human diversity, and models of LDD in human colonization are yet to be characterized. Using an … Continue reading

Posted in evolution, genomics, natural history, population genetics | Tagged , , , , , | 2 Comments

Anti-predatory adaptations in sticklebacks and butterflies

Two recent studies analyze character shifts in response to different selection regimes – (1) Mullerian mimicry wing patterns in Heliconius butterflies, and (2) anti-intraguild-predator adaptations in armor and shape of threespine sticklebacks. Hoyal Cuthill and Charleston 2015 Wing patterning genes … Continue reading

Posted in adaptation, Coevolution, evolution, genomics, natural history, phylogenetics, phylogeography, population genetics, selection, speciation | Tagged , , , | Leave a comment

Landscape genetics shows that Tanzanian forest monkeys feel the heat of human influence

A new publication appearing in Heredity applies new methods for associating population genetic data with landscape resistance to an tropical, endangered species. The authors utilize multiple measurements of landscape resistance, like forest cover and distance from the nearest village, to select the … Continue reading

Posted in conservation, methods, population genetics | Tagged | 1 Comment

Environmental association analyses: a practical guide for a practical guide

Obtaining extensive SNP data for your organism of choice isn’t such a feat these days, but actually matching that breadth of data with appropriate analyses is still a challenge. Fortunately, there has been an avalanche of new methods to make … Continue reading

Posted in adaptation, association genetics, methods, Molecular Ecology, the journal | Tagged | 1 Comment

Should we use Mantel tests in molecular ecology?

No. Stop. At least that is the message from a new publication in Methods in Ecology and Evolution by Pierre Legendre and colleagues (pay-walled, but I found a pdf here). Mantel tests should simply not be used to test hypotheses … Continue reading

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A couple years ago, Benoit Simon-Bouhet ended up sharing an office with Eric Pante, then a post-doc fellow in his former lab. The two quickly realized they were in a lab in which few people had the expertise or taste for coding. Thus, on … Continue reading

Posted in community ecology, conservation, evolution, howto, natural history, R, software | Tagged , , , , | Leave a comment