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Geographical patterns and determinants in plant reproductive phenology duration

Biodiversity is and always has been an important issue in ecological research. Biodiversity can reflect niche partitioning among species at several spatial and temporal scales and is generally highest in the tropics. One theory to explain it is that low-latitude tropical ecosystems are dominated by...

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Autores principales: Wang, Xinyang, Morin, Xavier, Zhang, Jian, Chen, Guoke, Mao, Lingfeng, Chen, Yuheng, Song, Zhuqiu, Du, Yanjun, Ma, Keping
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Frontiers Media S.A. 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10309207/
https://www.ncbi.nlm.nih.gov/pubmed/37396633
http://dx.doi.org/10.3389/fpls.2023.1199316
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author Wang, Xinyang
Morin, Xavier
Zhang, Jian
Chen, Guoke
Mao, Lingfeng
Chen, Yuheng
Song, Zhuqiu
Du, Yanjun
Ma, Keping
author_facet Wang, Xinyang
Morin, Xavier
Zhang, Jian
Chen, Guoke
Mao, Lingfeng
Chen, Yuheng
Song, Zhuqiu
Du, Yanjun
Ma, Keping
author_sort Wang, Xinyang
collection PubMed
description Biodiversity is and always has been an important issue in ecological research. Biodiversity can reflect niche partitioning among species at several spatial and temporal scales and is generally highest in the tropics. One theory to explain it is that low-latitude tropical ecosystems are dominated by species that are generally only distributed over a narrow area. This principle is known as Rapoport’s rule. One previously unconsidered extension of Rapoport’s rule may be reproductive phenology, where variation in flowering and fruiting length may reflect a temporal range. Herein, we collected reproductive phenology data for more than 20,000 species covering almost all angiosperm species in China. We used a random forest model to quantify the relative role of seven environmental factors on the duration of reproductive phenology. Our results showed that the duration of reproductive phenology decreased with latitude, although there was no obvious change across longitudes. Latitude explained more of the variation in the duration of flowering and fruiting phases in woody plants than in herbaceous plants. Mean annual temperature and the length of the growing season strongly influenced the phenology of herbaceous plants, and average winter temperature and temperature seasonality were important drivers of woody plant phenology. Our result suggests the flowering period of woody plants is sensitive to temperature seasonality, while it does not influence herbaceous plants. By extending Rapoport’s rule to consider the distribution of species in time as well as space, we have provided a novel insight into the mechanisms of maintaining high levels of diversity in low-latitude forests.
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spelling pubmed-103092072023-06-30 Geographical patterns and determinants in plant reproductive phenology duration Wang, Xinyang Morin, Xavier Zhang, Jian Chen, Guoke Mao, Lingfeng Chen, Yuheng Song, Zhuqiu Du, Yanjun Ma, Keping Front Plant Sci Plant Science Biodiversity is and always has been an important issue in ecological research. Biodiversity can reflect niche partitioning among species at several spatial and temporal scales and is generally highest in the tropics. One theory to explain it is that low-latitude tropical ecosystems are dominated by species that are generally only distributed over a narrow area. This principle is known as Rapoport’s rule. One previously unconsidered extension of Rapoport’s rule may be reproductive phenology, where variation in flowering and fruiting length may reflect a temporal range. Herein, we collected reproductive phenology data for more than 20,000 species covering almost all angiosperm species in China. We used a random forest model to quantify the relative role of seven environmental factors on the duration of reproductive phenology. Our results showed that the duration of reproductive phenology decreased with latitude, although there was no obvious change across longitudes. Latitude explained more of the variation in the duration of flowering and fruiting phases in woody plants than in herbaceous plants. Mean annual temperature and the length of the growing season strongly influenced the phenology of herbaceous plants, and average winter temperature and temperature seasonality were important drivers of woody plant phenology. Our result suggests the flowering period of woody plants is sensitive to temperature seasonality, while it does not influence herbaceous plants. By extending Rapoport’s rule to consider the distribution of species in time as well as space, we have provided a novel insight into the mechanisms of maintaining high levels of diversity in low-latitude forests. Frontiers Media S.A. 2023-06-15 /pmc/articles/PMC10309207/ /pubmed/37396633 http://dx.doi.org/10.3389/fpls.2023.1199316 Text en Copyright © 2023 Wang, Morin, Zhang, Chen, Mao, Chen, Song, Du and Ma https://creativecommons.org/licenses/by/4.0/This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
spellingShingle Plant Science
Wang, Xinyang
Morin, Xavier
Zhang, Jian
Chen, Guoke
Mao, Lingfeng
Chen, Yuheng
Song, Zhuqiu
Du, Yanjun
Ma, Keping
Geographical patterns and determinants in plant reproductive phenology duration
title Geographical patterns and determinants in plant reproductive phenology duration
title_full Geographical patterns and determinants in plant reproductive phenology duration
title_fullStr Geographical patterns and determinants in plant reproductive phenology duration
title_full_unstemmed Geographical patterns and determinants in plant reproductive phenology duration
title_short Geographical patterns and determinants in plant reproductive phenology duration
title_sort geographical patterns and determinants in plant reproductive phenology duration
topic Plant Science
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10309207/
https://www.ncbi.nlm.nih.gov/pubmed/37396633
http://dx.doi.org/10.3389/fpls.2023.1199316
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