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Data from: Co-occurrence of related asexual, but not sexual, lineages suggests that reproductive interference limits coexistence Whitton, Jeannette; Sears, Christopher J.; Maddison, Wayne P.

Description

<b>Abstract</b><br/>We used randomizations to analyse patterns of co-occurrence of sexual and apomictic (asexual) members of the North American Crepis agamic complex (Asteraceae). We expect strong asymmetry in reproductive interactions in Crepis: apomicts produce clonal seeds with no need for pollination and are not subject to reproductive interference from co-occurring relatives. However, because they still produce some viable pollen, apomicts can reduce reproductive success of nearby sexual relatives, potentially leading to eventual local exclusion of sexuals. Consistent with this, randomizations reveal that sexuals are over-represented in isolated sites, while apomicts freely co-occur. Incorporation of taxonomic and phylogenetic evidence indicates that this pattern is not driven by local origins of asexuals. Our evidence that patterns of local co-occurrence are structured by reproductive interference suggests an underappreciated role for these interactions in community assembly, and highlights the need for explicit tests of the relative contributions of ecological and reproductive interactions in generating patterns of limiting similarity.; <b>Usage notes</b><br /><div class="o-metadata__file-usage-entry"><h4 class="o-heading__level3-file-title">Whitton et al Table S1</h4><div class="o-metadata__file-description">This file includes details of the cytotype designations at each site, including genome size estimates, inferred ploidy and the details of how we coded each site in our randomizations.</div><div class="o-metadata__file-name"></div><div class="o-metadata__file-name"></div></div>

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Title	Data from: Co-occurrence of related asexual, but not sexual, lineages suggests that reproductive interference limits coexistence
Creator	Whitton, Jeannette; Sears, Christopher J.; Maddison, Wayne P.
Date Issued	2021-05-19
Description	<b>Abstract</b><br/>We used randomizations to analyse patterns of co-occurrence of sexual and apomictic (asexual) members of the North American Crepis agamic complex (Asteraceae). We expect strong asymmetry in reproductive interactions in Crepis: apomicts produce clonal seeds with no need for pollination and are not subject to reproductive interference from co-occurring relatives. However, because they still produce some viable pollen, apomicts can reduce reproductive success of nearby sexual relatives, potentially leading to eventual local exclusion of sexuals. Consistent with this, randomizations reveal that sexuals are over-represented in isolated sites, while apomicts freely co-occur. Incorporation of taxonomic and phylogenetic evidence indicates that this pattern is not driven by local origins of asexuals. Our evidence that patterns of local co-occurrence are structured by reproductive interference suggests an underappreciated role for these interactions in community assembly, and highlights the need for explicit tests of the relative contributions of ecological and reproductive interactions in generating patterns of limiting similarity.; <b>Usage notes</b><br /><div class="o-metadata__file-usage-entry"><h4 class="o-heading__level3-file-title">Whitton et al Table S1</h4><div class="o-metadata__file-description">This file includes details of the cytotype designations at each site, including genome size estimates, inferred ploidy and the details of how we coded each site in our randomizations.</div><div class="o-metadata__file-name"></div><div class="o-metadata__file-name"></div></div>
Subject	Other; Crepis acuminata; Apomixis; competitive exclusion; reproductive exclusion; Crepis bakeri; Crepis pleurocarpa; Crepis modocensis; Crepis; Crepis barbigera; polyploidy; phylogenetic limiting similarity; Crepis atribarba; Crepis occidentalis; Reproductive interference; Crepis monticola
Geographic Location	Oregon; Western North America; California; Washington
Type	Dataset
Notes	Dryad version number: 1</p> Version status: submitted</p> Dryad curation status: Published</p> Sharing link: https://datadryad.org/stash/share/QMx2p6-XpkQSOfDecQvjEkR0Q_lCDKHpWE9M00ytnXU</p> Storage size: 9439932</p> Visibility: public</p>
Date Available	2020-06-24
Provider	University of British Columbia Library
License	This dataset is made available under a Creative Commons CC0 license with the following additional/modified terms and conditions: CC0 Waiver
DOI	10.14288/1.0397612
URI	https://doi.org/10.5683/SP2/AUTNRA
Publisher DOI	https://doi.org/10.5683/SP2/AUTNRA; https://doi.org/10.5061/dryad.76gp5
Rights URI	https://creativecommons.org/publicdomain/zero/1.0/
Aggregated Source Repository	Dataverse

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This dataset is made available under a Creative Commons CC0 license with the following additional/modified terms and conditions: CC0 Waiver