Climatic and biogeographic processes underlying the diversification of the pantropical flowering plant family Annonaceae
Tropical forests harbor the richest biodiversity among terrestrial ecosystems, but few studies have addressed the underlying processes of species diversification in these ecosystems. We use the pantropical flowering plant family Annonaceae as a study system to investigate how climate and biogeograph...
| Main Authors: | , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Frontiers Media S.A.
2024-03-01
|
| Series: | Frontiers in Plant Science |
| Subjects: | |
| Online Access: | https://www.frontiersin.org/articles/10.3389/fpls.2024.1287171/full |
| _version_ | 1797269029737463808 |
|---|---|
| author | Weixi Li Runxi Wang Ming-Fai Liu Ryan A. Folk Bine Xue Richard M. K. Saunders |
| author_facet | Weixi Li Runxi Wang Ming-Fai Liu Ryan A. Folk Bine Xue Richard M. K. Saunders |
| author_sort | Weixi Li |
| collection | DOAJ |
| description | Tropical forests harbor the richest biodiversity among terrestrial ecosystems, but few studies have addressed the underlying processes of species diversification in these ecosystems. We use the pantropical flowering plant family Annonaceae as a study system to investigate how climate and biogeographic events contribute to diversification. A super-matrix phylogeny comprising 835 taxa (34% of Annonaceae species) based on eight chloroplast regions was used in this study. We show that global temperature may better explain the recent rapid diversification in Annonaceae than time and constant models. Accelerated accumulation of niche divergence (around 15 Ma) lags behind the increase of diversification rate (around 25 Ma), reflecting a heterogeneous transition to recent diversity increases. Biogeographic events are related to only two of the five diversification rate shifts detected. Shifts in niche evolution nevertheless appear to be associated with increasingly seasonal environments. Our results do not support the direct correlation of any particular climatic niche shifts or historical biogeographical event with shifts in diversification rate. Instead, we suggest that Annonaceae diversification can lead to later niche divergence as a result of increasing interspecific competition arising from species accumulation. Shifts in niche evolution appear to be associated with increasingly seasonal environments. Our results highlight the complexity of diversification in taxa with long evolutionary histories. |
| first_indexed | 2024-04-25T01:41:53Z |
| format | Article |
| id | doaj.art-332f8908dd99461bb6836ff2f5377f30 |
| institution | Directory Open Access Journal |
| issn | 1664-462X |
| language | English |
| last_indexed | 2024-04-25T01:41:53Z |
| publishDate | 2024-03-01 |
| publisher | Frontiers Media S.A. |
| record_format | Article |
| series | Frontiers in Plant Science |
| spelling | doaj.art-332f8908dd99461bb6836ff2f5377f302024-03-08T04:34:45ZengFrontiers Media S.A.Frontiers in Plant Science1664-462X2024-03-011510.3389/fpls.2024.12871711287171Climatic and biogeographic processes underlying the diversification of the pantropical flowering plant family AnnonaceaeWeixi Li0Runxi Wang1Ming-Fai Liu2Ryan A. Folk3Bine Xue4Richard M. K. Saunders5Division of Ecology & Biodiversity, School of Biological Sciences, The University of Hong Kong, Hong Kong, Hong Kong SAR, ChinaDivision of Ecology & Biodiversity, School of Biological Sciences, The University of Hong Kong, Hong Kong, Hong Kong SAR, ChinaDivision of Ecology & Biodiversity, School of Biological Sciences, The University of Hong Kong, Hong Kong, Hong Kong SAR, ChinaDepartment of Biological Sciences, Mississippi State University, Starkville, MS, United StatesCollege of Horticulture and Landscape Architecture, Zhongkai University of Agriculture and Engineering, Guangzhou, ChinaDivision of Ecology & Biodiversity, School of Biological Sciences, The University of Hong Kong, Hong Kong, Hong Kong SAR, ChinaTropical forests harbor the richest biodiversity among terrestrial ecosystems, but few studies have addressed the underlying processes of species diversification in these ecosystems. We use the pantropical flowering plant family Annonaceae as a study system to investigate how climate and biogeographic events contribute to diversification. A super-matrix phylogeny comprising 835 taxa (34% of Annonaceae species) based on eight chloroplast regions was used in this study. We show that global temperature may better explain the recent rapid diversification in Annonaceae than time and constant models. Accelerated accumulation of niche divergence (around 15 Ma) lags behind the increase of diversification rate (around 25 Ma), reflecting a heterogeneous transition to recent diversity increases. Biogeographic events are related to only two of the five diversification rate shifts detected. Shifts in niche evolution nevertheless appear to be associated with increasingly seasonal environments. Our results do not support the direct correlation of any particular climatic niche shifts or historical biogeographical event with shifts in diversification rate. Instead, we suggest that Annonaceae diversification can lead to later niche divergence as a result of increasing interspecific competition arising from species accumulation. Shifts in niche evolution appear to be associated with increasingly seasonal environments. Our results highlight the complexity of diversification in taxa with long evolutionary histories.https://www.frontiersin.org/articles/10.3389/fpls.2024.1287171/fulldiversification rate shiftglobal temperaturebiogeographical eventsclimatic niche evolutiondiversification process |
| spellingShingle | Weixi Li Runxi Wang Ming-Fai Liu Ryan A. Folk Bine Xue Richard M. K. Saunders Climatic and biogeographic processes underlying the diversification of the pantropical flowering plant family Annonaceae Frontiers in Plant Science diversification rate shift global temperature biogeographical events climatic niche evolution diversification process |
| title | Climatic and biogeographic processes underlying the diversification of the pantropical flowering plant family Annonaceae |
| title_full | Climatic and biogeographic processes underlying the diversification of the pantropical flowering plant family Annonaceae |
| title_fullStr | Climatic and biogeographic processes underlying the diversification of the pantropical flowering plant family Annonaceae |
| title_full_unstemmed | Climatic and biogeographic processes underlying the diversification of the pantropical flowering plant family Annonaceae |
| title_short | Climatic and biogeographic processes underlying the diversification of the pantropical flowering plant family Annonaceae |
| title_sort | climatic and biogeographic processes underlying the diversification of the pantropical flowering plant family annonaceae |
| topic | diversification rate shift global temperature biogeographical events climatic niche evolution diversification process |
| url | https://www.frontiersin.org/articles/10.3389/fpls.2024.1287171/full |
| work_keys_str_mv | AT weixili climaticandbiogeographicprocessesunderlyingthediversificationofthepantropicalfloweringplantfamilyannonaceae AT runxiwang climaticandbiogeographicprocessesunderlyingthediversificationofthepantropicalfloweringplantfamilyannonaceae AT mingfailiu climaticandbiogeographicprocessesunderlyingthediversificationofthepantropicalfloweringplantfamilyannonaceae AT ryanafolk climaticandbiogeographicprocessesunderlyingthediversificationofthepantropicalfloweringplantfamilyannonaceae AT binexue climaticandbiogeographicprocessesunderlyingthediversificationofthepantropicalfloweringplantfamilyannonaceae AT richardmksaunders climaticandbiogeographicprocessesunderlyingthediversificationofthepantropicalfloweringplantfamilyannonaceae |