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

Marta Kolanowska , Elżbieta Grochocka , Kamil Konowalik

Abstract

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.
Author Marta Kolanowska KTRiOP
Marta Kolanowska,,
- Department of Plant Taxonomy and Nature Conservation
, Elżbieta Grochocka KTRiOP
Elżbieta Grochocka,,
- Department of Plant Taxonomy and Nature Conservation
, Kamil Konowalik
Kamil Konowalik,,
-
Other language title versions
Journal seriesPeerJ, ISSN 2167-8359
Issue year2017
Vol5
Pages1-22
Publication size in sheets1.05
Keywords in EnglishAngraecinae, ecological niche modeling, Orchidaceae, phylogenetic niche conservatism, Angraecum, Campylocentrum, Dendrophylax
DOIDOI:10.7717/peerj.3328
URL https://peerj.com/articles/3328.pdf
Languageen angielski
LicenseJournal (articles only); published final; Uznanie Autorstwa (CC-BY); with publication
Score (nominal)35
ScoreMinisterial score = 35.0, 20-12-2017, ArticleFromJournal
Ministerial score (2013-2016) = 35.0, 20-12-2017, ArticleFromJournal
Publication indicators WoS Impact Factor: 2016 = 2.177 (2) - 2016=2.354 (5)
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