Floristic classifications and bioregionalizations are not predictors of intra-specific evolutionary patterns

Abstract The relationship between intra-specific and inter-specific patterns and processes over evolutionary time is key to ecological investigations. We examine this relationship taking an approach of focussing on the association between vegetation and floristic classifications, summaries of inter-...

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Main Authors: Patrick S. Fahey, Richard J. Dimon, Marlien M. van der Merwe, Jason G. Bragg, Maurizio Rossetto
Format: Article
Language:English
Published: Nature Portfolio 2024-12-01
Series:Nature Communications
Online Access:https://doi.org/10.1038/s41467-024-54930-7
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author Patrick S. Fahey
Richard J. Dimon
Marlien M. van der Merwe
Jason G. Bragg
Maurizio Rossetto
author_facet Patrick S. Fahey
Richard J. Dimon
Marlien M. van der Merwe
Jason G. Bragg
Maurizio Rossetto
author_sort Patrick S. Fahey
collection DOAJ
description Abstract The relationship between intra-specific and inter-specific patterns and processes over evolutionary time is key to ecological investigations. We examine this relationship taking an approach of focussing on the association between vegetation and floristic classifications, summaries of inter-specific processes, and intra-specific genetic structuring. Applying an innovative, multispecies, and standardised population genomic approach, we test the relationship between vegetation mapping schemes and structuring of genetic variation across a large, environmentally heterogenous region in eastern Australia. We show that intra-specific genetic variation shows limited correspondence to vegetation and floristic classifications and is better explained by distance between sampled populations and the location of biogeographical features which limit gene flow. Mapping schemes with contiguous mapping classes, particularly larger ones, were more predictive of genetic lineages, whether based on environmental factors or not, than geographically non-contiguous schemes. We conclude that vegetation and floristic classifications are not closely correlated with intra-specific genetic patterns, showing that intra-specific processes are not recapitulated by inter-specific floristic assembly processes. This study showcases the need to implement landscape level evolutionary patterns, based on species specific datasets, in restoration and conservation activities.
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spelling doaj-art-ced94c9d744147888e0e2b7778a7c4472025-01-05T12:35:47ZengNature PortfolioNature Communications2041-17232024-12-0115111110.1038/s41467-024-54930-7Floristic classifications and bioregionalizations are not predictors of intra-specific evolutionary patternsPatrick S. Fahey0Richard J. Dimon1Marlien M. van der Merwe2Jason G. Bragg3Maurizio Rossetto4Queensland Alliance for Agriculture and Food Innovation, The University of QueenslandQueensland Alliance for Agriculture and Food Innovation, The University of QueenslandResearch Centre for Ecosystem Resilience, Botanic Gardens of SydneyResearch Centre for Ecosystem Resilience, Botanic Gardens of SydneyQueensland Alliance for Agriculture and Food Innovation, The University of QueenslandAbstract The relationship between intra-specific and inter-specific patterns and processes over evolutionary time is key to ecological investigations. We examine this relationship taking an approach of focussing on the association between vegetation and floristic classifications, summaries of inter-specific processes, and intra-specific genetic structuring. Applying an innovative, multispecies, and standardised population genomic approach, we test the relationship between vegetation mapping schemes and structuring of genetic variation across a large, environmentally heterogenous region in eastern Australia. We show that intra-specific genetic variation shows limited correspondence to vegetation and floristic classifications and is better explained by distance between sampled populations and the location of biogeographical features which limit gene flow. Mapping schemes with contiguous mapping classes, particularly larger ones, were more predictive of genetic lineages, whether based on environmental factors or not, than geographically non-contiguous schemes. We conclude that vegetation and floristic classifications are not closely correlated with intra-specific genetic patterns, showing that intra-specific processes are not recapitulated by inter-specific floristic assembly processes. This study showcases the need to implement landscape level evolutionary patterns, based on species specific datasets, in restoration and conservation activities.https://doi.org/10.1038/s41467-024-54930-7
spellingShingle Patrick S. Fahey
Richard J. Dimon
Marlien M. van der Merwe
Jason G. Bragg
Maurizio Rossetto
Floristic classifications and bioregionalizations are not predictors of intra-specific evolutionary patterns
Nature Communications
title Floristic classifications and bioregionalizations are not predictors of intra-specific evolutionary patterns
title_full Floristic classifications and bioregionalizations are not predictors of intra-specific evolutionary patterns
title_fullStr Floristic classifications and bioregionalizations are not predictors of intra-specific evolutionary patterns
title_full_unstemmed Floristic classifications and bioregionalizations are not predictors of intra-specific evolutionary patterns
title_short Floristic classifications and bioregionalizations are not predictors of intra-specific evolutionary patterns
title_sort floristic classifications and bioregionalizations are not predictors of intra specific evolutionary patterns
url https://doi.org/10.1038/s41467-024-54930-7
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