Phylogenetic climatic niche conservatism and evolution of climatic suitability in Neotropical Angraecinae (Vandeae, Orchidaceae) and their closest African relatives

In the present study we investigate the concept of phylogenetic niche conservatism (PNC) within the American species of angraecoid orchids (Campylocentrum and Dendrophylax) and their closest relatives in the Old World (Angraecum) using ecological niche modelling (ENM). The predicted niche occupancy...

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Main Authors: Marta Kolanowska, Elżbieta Grochocka, Kamil Konowalik
Format: Article
Language:English
Published: PeerJ Inc. 2017-05-01
Series:PeerJ
Subjects:
Online Access:https://peerj.com/articles/3328.pdf
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author Marta Kolanowska
Elżbieta Grochocka
Kamil Konowalik
author_facet Marta Kolanowska
Elżbieta Grochocka
Kamil Konowalik
author_sort Marta Kolanowska
collection DOAJ
description In the present study we investigate the concept of phylogenetic niche conservatism (PNC) within the American species of angraecoid orchids (Campylocentrum and Dendrophylax) and their closest relatives in the Old World (Angraecum) using ecological niche modelling (ENM). The predicted niche occupancy profiles were matched with the outcomes of previous phylogenetic studies to reconstruct the evolution of climatic suitability within the orchid group studied and evaluate the role of niche differentiation in the speciation of Angraecinae. No correlation between preferred niches and taxonomic relationships within the orchid group studied was revealed. The climatic suitability of the majority of the species overlapped each other, either fully or partially. This pattern is also present in the species of other orchid genera. Our research confirms a significant level of PNC in Orchidaceae, even within taxa exhibiting a transatlantic disjunction. The analysis of the evolution of climatic suitability indicated that the adaptation to various climatic conditions is not a factor that has driven speciation within orchids studied.
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spelling doaj.art-474f64c1d67f45be8330fcd48cd618812023-12-03T00:42:16ZengPeerJ Inc.PeerJ2167-83592017-05-015e332810.7717/peerj.3328Phylogenetic climatic niche conservatism and evolution of climatic suitability in Neotropical Angraecinae (Vandeae, Orchidaceae) and their closest African relativesMarta Kolanowska0Elżbieta Grochocka1Kamil Konowalik2Department of Plant Taxonomy and Nature Conservation, University of Gdańsk, Gdańsk, PolandDepartment of Plant Taxonomy and Nature Conservation, University of Gdańsk, Gdańsk, PolandInstitute of Biology, Wrocław University of Environmental and Life Sciences, Wrocław, PolandIn the present study we investigate the concept of phylogenetic niche conservatism (PNC) within the American species of angraecoid orchids (Campylocentrum and Dendrophylax) and their closest relatives in the Old World (Angraecum) using ecological niche modelling (ENM). The predicted niche occupancy profiles were matched with the outcomes of previous phylogenetic studies to reconstruct the evolution of climatic suitability within the orchid group studied and evaluate the role of niche differentiation in the speciation of Angraecinae. No correlation between preferred niches and taxonomic relationships within the orchid group studied was revealed. The climatic suitability of the majority of the species overlapped each other, either fully or partially. This pattern is also present in the species of other orchid genera. Our research confirms a significant level of PNC in Orchidaceae, even within taxa exhibiting a transatlantic disjunction. The analysis of the evolution of climatic suitability indicated that the adaptation to various climatic conditions is not a factor that has driven speciation within orchids studied.https://peerj.com/articles/3328.pdfAngraecinaeEcological niche modelingOrchidaceaePhylogenetic niche conservatismAngraecumCampylocentrum
spellingShingle Marta Kolanowska
Elżbieta Grochocka
Kamil Konowalik
Phylogenetic climatic niche conservatism and evolution of climatic suitability in Neotropical Angraecinae (Vandeae, Orchidaceae) and their closest African relatives
PeerJ
Angraecinae
Ecological niche modeling
Orchidaceae
Phylogenetic niche conservatism
Angraecum
Campylocentrum
title Phylogenetic climatic niche conservatism and evolution of climatic suitability in Neotropical Angraecinae (Vandeae, Orchidaceae) and their closest African relatives
title_full Phylogenetic climatic niche conservatism and evolution of climatic suitability in Neotropical Angraecinae (Vandeae, Orchidaceae) and their closest African relatives
title_fullStr Phylogenetic climatic niche conservatism and evolution of climatic suitability in Neotropical Angraecinae (Vandeae, Orchidaceae) and their closest African relatives
title_full_unstemmed Phylogenetic climatic niche conservatism and evolution of climatic suitability in Neotropical Angraecinae (Vandeae, Orchidaceae) and their closest African relatives
title_short Phylogenetic climatic niche conservatism and evolution of climatic suitability in Neotropical Angraecinae (Vandeae, Orchidaceae) and their closest African relatives
title_sort phylogenetic climatic niche conservatism and evolution of climatic suitability in neotropical angraecinae vandeae orchidaceae and their closest african relatives
topic Angraecinae
Ecological niche modeling
Orchidaceae
Phylogenetic niche conservatism
Angraecum
Campylocentrum
url https://peerj.com/articles/3328.pdf
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AT elzbietagrochocka phylogeneticclimaticnicheconservatismandevolutionofclimaticsuitabilityinneotropicalangraecinaevandeaeorchidaceaeandtheirclosestafricanrelatives
AT kamilkonowalik phylogeneticclimaticnicheconservatismandevolutionofclimaticsuitabilityinneotropicalangraecinaevandeaeorchidaceaeandtheirclosestafricanrelatives