Evidence map›Paper›PMID 35386401›Full record

ArticleEvolutionary applications2022

Seeing the forest for the trees: Assessing genetic offset predictions from gradient forest.

Áki Jarl Láruson, Matthew C Fitzpatrick, Stephen R Keller, Benjamin C Haller, Katie E Lotterhos

Abstract read
In one paragraph

Article in Evolutionary applications, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 44 papers.

0numbers the graph read from it
0cells of the map it votes in
44citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

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3 · Its place in the literature

Who cites it

44 citing papers in PubMed.

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  13. Landscape Genomic Analyses ofEvolutionary applications · 2026
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4 · The record

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5 · Who and what money

Authors and funding

5 authors.

Áki Jarl LárusonDepartment of Natural Resources Cornell University Ithaca New York USA.ORCID https://orcid.org/0000-0001-5394-8805
Matthew C FitzpatrickAppalachian Laboratory University of Maryland Center for Environmental Science Frostburg Maryland USA.ORCID https://orcid.org/0000-0003-1911-8407
Stephen R KellerDepartment of Plant Biology University of Vermont Burlington Vermont USA.ORCID https://orcid.org/0000-0001-8887-9213
Benjamin C HallerDepartment of Computational Biology Cornell University Ithaca New York USA.ORCID https://orcid.org/0000-0003-1874-8327
Katie E LotterhosDepartment of Marine and Environmental Sciences Northeastern University Marine Science Center Nahant Massachusetts USA.ORCID https://orcid.org/0000-0001-7529-2771

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Gradient Forest (GF) is a machine learning algorithm designed to analyze spatial patterns of biodiversity as a function of environmental gradients. An offset measure between the GF-predicted environmental association of adapted alleles and a new environment (GF Offset) is increasingly being used to predict the loss of environmentally adapted alleles under rapid environmental change, but remains mostly untested for this purpose. Here, we explore the robustness of GF Offset to assumption violations, and its relationship to measures of fitness, using SLiM simulations with explicit genome architecture and a spatial metapopulation. We evaluate measures of GF Offset in: (1) a neutral model with no environmental adaptation; (2) a monogenic "population genetic" model with a single environmentally adapted locus; and (3) a polygenic "quantitative genetic" model with two adaptive traits, each adapting to a different environment. We found GF Offset to be broadly correlated with fitness offsets under both single locus and polygenic architectures. However, neutral demography, genomic architecture, and the nature of the adaptive environment can all confound relationships between GF Offset and fitness. GF Offset is a promising tool, but it is important to understand its limitations and underlying assumptions, especially when used in the context of predicting maladaptation.

Indexed as

biodiversityclimate changegradient forestlandscape geneticslocal adaptationpopulation geneticsquantitative geneticssimulationSLiM

Identifiers

PMID35386401
PMCPMC8965365

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.