Phylogenetic conservatism explains why plants are more likely to produce fleshy fruits in the tropics.

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Tytuł:: Phylogenetic conservatism explains why plants are more likely to produce fleshy fruits in the tropics.
Autorzy:: Wang G; CAS Key Laboratory of Tropical Forest Ecology, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Mengla, Yunnan Province, 666303, China.
Ives AR; Department of Integrative Biology, University of Wisconsin-Madison, Madison, Wisconsin, 53706, USA.
Zhu H; Center for Integrative Conservation, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Mengla, Yunnan Province, 666303, China.
Tan Y; Center for Integrative Conservation, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Mengla, Yunnan Province, 666303, China.
Chen SC; Royal Botanic Gardens, Kew, Wakehurst, West Sussex, RH17 6TN, United Kingdom.; Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, Hubei Province, 430074, China.
Yang J; CAS Key Laboratory of Tropical Forest Ecology, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Mengla, Yunnan Province, 666303, China.
Wang B; Center for Integrative Conservation, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Mengla, Yunnan Province, 666303, China.; School of Resources and Environmental Engineering, Anhui University, Hefei, Anhui Province, 230601, China.; Anhui Province Key Laboratory of Wetland Ecosystem Protection and Restoration (Anhui University), Hefei, Anhui Province, 230601, China.
Źródło:: Ecology [Ecology] 2022 Jan; Vol. 103 (1), pp. e03555. Date of Electronic Publication: 2021 Nov 04.
Typ publikacji:: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.
Język:: English
Imprint Name(s):: Publication: Washington, DC : Ecological Society of America
Original Publication: Brooklyn, NY : Brooklyn Botanical Garden
MeSH Terms:: Fruit*
Phylogeny*
Plants*
Tropical Climate*
China ; Plant Development
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Contributed Indexing:: Keywords: climate factor; dry fruit; fleshy fruit; fruit type; functional trait; partial R2; phylogeny; subtropical; temperate; tropical
Molecular Sequence:: figshare 10.6084/m9.figshare.16681798.v1
Entry Date(s):: Date Created: 20211008 Date Completed: 20220107 Latest Revision: 20220531
Update Code:: 20240104
DOI:: 10.1002/ecy.3555
PMID:: 34622943
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Plant functional traits often show strong latitudinal trends. To explain these trends, studies have often focused on environmental variables, correlations with other traits that themselves show latitudinal trends, and phylogenetic conservatism. However, few studies have systematically disentangled the relative contributions of these factors. Using a dataset consisting of 9,370 plant species from Southwest China, we investigated factors affecting fruit type (fleshy vs. dry): plant growth form, environmental constraints (summarized by climate region), and phylogenetic conservatism. Growth form and climate region are often cited in the literature as important explanations for the higher proportion of fleshy fruited species in the tropics. Nonetheless, in our analyses using partial R 2 , growth form and climate region explained only 1.7% and 0.3%, respectively, of the variance in fruit type in a model including phylogeny, while phylogenetic conservatism explained 79.5%. Furthermore, phylogenetic conservatism was evenly distributed along the phylogeny, implying that fruit type reflects both ancient and recent phylogenetic relationships. Our findings illustrate the value of parsing out the contributions of explanatory variables and phylogeny to the variance in species' traits. Methods using phylogenies that calculate partial R 2 give a more informative tool than traditional methods to explore the phylogenetic patterns of functional traits.
(© 2021 by the Ecological Society of America.)

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