Data from: Ecological and evolutionary diversification within the genus Carex (Cyperaceae): consequences for community assembly in subarctic fens
The concept of limiting similarity predicts that closely related taxa are less likely to co-occur than expected by chance. The degree to which the phylogenetic relatedness in plant communities is in accord with limiting similarity has been little tested at the scale where the consequences of adaptiv...
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ftdryad:oai:v1.datadryad.org:10255/dryad.113904 2023-05-15T18:28:19+02:00 Data from: Ecological and evolutionary diversification within the genus Carex (Cyperaceae): consequences for community assembly in subarctic fens Waterway, Marcia J. Martins, Kyle T. Dabros, Anna Prado, Alberto Lechowicz, Martin J. Central Quebec-Labrador peninsula Tertiary and Quaternary 2016-09-27T02:53:12Z http://hdl.handle.net/10255/dryad.113904 https://doi.org/10.5061/dryad.q810f unknown doi:10.5061/dryad.q810f/1 doi:10.5061/dryad.q810f/2 doi:10.5061/dryad.q810f/3 doi:10.5061/dryad.q810f/4 doi:10.5061/dryad.q810f/5 doi:10.1600/036364416x692514 doi:10.5061/dryad.q810f Waterway MJ, Martins KT, Dabros A, Prado A, Lechowicz MJ (2016) Ecological and Evolutionary Diversification Within the Genus Carex (Cyperaceae): Consequences for Community Assembly in Subarctic Fens. Systematic Botany 41(3): 558-579. 0363-6445 http://hdl.handle.net/10255/dryad.113904 Coexistence theory community phylogenetics ecological speciation ecophylogenetics limiting similarity niche differentiation Article 2016 ftdryad https://doi.org/10.5061/dryad.q810f https://doi.org/10.5061/dryad.q810f/1 https://doi.org/10.5061/dryad.q810f/2 https://doi.org/10.5061/dryad.q810f/3 https://doi.org/10.5061/dryad.q810f/4 https://doi.org/10.5061/dryad.q810f/5 https://doi.org/1 2020-01-01T15:33:44Z The concept of limiting similarity predicts that closely related taxa are less likely to co-occur than expected by chance. The degree to which the phylogenetic relatedness in plant communities is in accord with limiting similarity has been little tested at the scale where the consequences of adaptive differentiation during speciation should be most evident: the scale of neighboring, congeneric plants within a community. To quantify species co-occurrence patterns in relation to environment, we sampled sedge species, their rooting level relative to the water table, and the water pH in 2,124 0.25 m² quadrats distributed across 29 subarctic fens in the central Labrador Peninsula. We estimated phylogenetic relationships using four DNA regions (ETS, ITS, matK, trnL-trnF) for all species of Carex (42), Eriophorum (6), and Trichophorum (2) in the region, of which 21, four, and two, respectively, occurred in the sampled fens. We demonstrate that closely related species of Carex are less likely to co-occur than expected by chance using 1) a probabilistic method to test the significance of pairwise co-occurrence patterns of species, and 2) linear mixed modeling to relate these patterns to phylogenetic relationships and ecological tolerances along gradients of substrate pH and rooting level in relation to the water table. The results also indicate that suites of species with significant mutual pairwise co-occurrence belong to distant lineages within the Cariceae-Dulichieae-Scirpeae clade of Cyperaceae and have stabilizing niche differences. We suggest that niche differentiation during the evolution and diversification of a clade of wetland Carex species over the past few million years, especially during the dynamic glacial cycles of the Pleistocene, has resulted in diverse sedge communities that share space and resources in harsh northern peatland habitats. Article in Journal/Newspaper Subarctic Dryad Digital Repository (Duke University) |
institution |
Open Polar |
collection |
Dryad Digital Repository (Duke University) |
op_collection_id |
ftdryad |
language |
unknown |
topic |
Coexistence theory community phylogenetics ecological speciation ecophylogenetics limiting similarity niche differentiation |
spellingShingle |
Coexistence theory community phylogenetics ecological speciation ecophylogenetics limiting similarity niche differentiation Waterway, Marcia J. Martins, Kyle T. Dabros, Anna Prado, Alberto Lechowicz, Martin J. Data from: Ecological and evolutionary diversification within the genus Carex (Cyperaceae): consequences for community assembly in subarctic fens |
topic_facet |
Coexistence theory community phylogenetics ecological speciation ecophylogenetics limiting similarity niche differentiation |
description |
The concept of limiting similarity predicts that closely related taxa are less likely to co-occur than expected by chance. The degree to which the phylogenetic relatedness in plant communities is in accord with limiting similarity has been little tested at the scale where the consequences of adaptive differentiation during speciation should be most evident: the scale of neighboring, congeneric plants within a community. To quantify species co-occurrence patterns in relation to environment, we sampled sedge species, their rooting level relative to the water table, and the water pH in 2,124 0.25 m² quadrats distributed across 29 subarctic fens in the central Labrador Peninsula. We estimated phylogenetic relationships using four DNA regions (ETS, ITS, matK, trnL-trnF) for all species of Carex (42), Eriophorum (6), and Trichophorum (2) in the region, of which 21, four, and two, respectively, occurred in the sampled fens. We demonstrate that closely related species of Carex are less likely to co-occur than expected by chance using 1) a probabilistic method to test the significance of pairwise co-occurrence patterns of species, and 2) linear mixed modeling to relate these patterns to phylogenetic relationships and ecological tolerances along gradients of substrate pH and rooting level in relation to the water table. The results also indicate that suites of species with significant mutual pairwise co-occurrence belong to distant lineages within the Cariceae-Dulichieae-Scirpeae clade of Cyperaceae and have stabilizing niche differences. We suggest that niche differentiation during the evolution and diversification of a clade of wetland Carex species over the past few million years, especially during the dynamic glacial cycles of the Pleistocene, has resulted in diverse sedge communities that share space and resources in harsh northern peatland habitats. |
format |
Article in Journal/Newspaper |
author |
Waterway, Marcia J. Martins, Kyle T. Dabros, Anna Prado, Alberto Lechowicz, Martin J. |
author_facet |
Waterway, Marcia J. Martins, Kyle T. Dabros, Anna Prado, Alberto Lechowicz, Martin J. |
author_sort |
Waterway, Marcia J. |
title |
Data from: Ecological and evolutionary diversification within the genus Carex (Cyperaceae): consequences for community assembly in subarctic fens |
title_short |
Data from: Ecological and evolutionary diversification within the genus Carex (Cyperaceae): consequences for community assembly in subarctic fens |
title_full |
Data from: Ecological and evolutionary diversification within the genus Carex (Cyperaceae): consequences for community assembly in subarctic fens |
title_fullStr |
Data from: Ecological and evolutionary diversification within the genus Carex (Cyperaceae): consequences for community assembly in subarctic fens |
title_full_unstemmed |
Data from: Ecological and evolutionary diversification within the genus Carex (Cyperaceae): consequences for community assembly in subarctic fens |
title_sort |
data from: ecological and evolutionary diversification within the genus carex (cyperaceae): consequences for community assembly in subarctic fens |
publishDate |
2016 |
url |
http://hdl.handle.net/10255/dryad.113904 https://doi.org/10.5061/dryad.q810f |
op_coverage |
Central Quebec-Labrador peninsula Tertiary and Quaternary |
genre |
Subarctic |
genre_facet |
Subarctic |
op_relation |
doi:10.5061/dryad.q810f/1 doi:10.5061/dryad.q810f/2 doi:10.5061/dryad.q810f/3 doi:10.5061/dryad.q810f/4 doi:10.5061/dryad.q810f/5 doi:10.1600/036364416x692514 doi:10.5061/dryad.q810f Waterway MJ, Martins KT, Dabros A, Prado A, Lechowicz MJ (2016) Ecological and Evolutionary Diversification Within the Genus Carex (Cyperaceae): Consequences for Community Assembly in Subarctic Fens. Systematic Botany 41(3): 558-579. 0363-6445 http://hdl.handle.net/10255/dryad.113904 |
op_doi |
https://doi.org/10.5061/dryad.q810f https://doi.org/10.5061/dryad.q810f/1 https://doi.org/10.5061/dryad.q810f/2 https://doi.org/10.5061/dryad.q810f/3 https://doi.org/10.5061/dryad.q810f/4 https://doi.org/10.5061/dryad.q810f/5 https://doi.org/1 |
_version_ |
1766210739944554496 |