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Structured and unstructured intraspecific propagule trait variation across environmental gradients in a widespread mangrove
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  • Jingjun Yang,
  • Anchi Wu,
  • Jinhua Li,
  • Haihang Wei,
  • Jie Qin,
  • Hongdeng Tian,
  • Donghan Fan,
  • Weidai Wu,
  • Shan Chen,
  • Xin Tong,
  • Xiu Liu
Jingjun Yang
Guangxi Forestry Research Institute

Corresponding Author:[email protected]

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Anchi Wu
South China Botanical Garden
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Jinhua Li
Guangxi Forestry Research Institute
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Haihang Wei
Guangxi Forestry Research Institute
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Jie Qin
Guangxi Forestry Research Institute
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Hongdeng Tian
Guangxi Forestry Research Institute
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Donghan Fan
Qinzhou Forestry Research Institute
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Weidai Wu
Qinzhou Forestry Research Institute
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Shan Chen
East China Normal University
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Xin Tong
Shanghai Chen Shan Botanical Garden
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Xiu Liu
Guangxi Forestry Research Institute
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Abstract

Increasing studies have shown the importance of intraspecific trait variation (ITV) on the ecological process. However, the patterns and sources of ITV are still unclear, especially in the propagule of coastal vegetation. Here, we measured fresh weight (FW), fresh length (FL), maximum transverse diameter (TDmax), minimum transverse diameter (TDmin) and the ratio of TDmax to TDmin (RTD) of the hypocotyl (propagule) of Kandelia obovata for 66 genealogies across 26 sites. By combining multiple factors of climate, ocean and maternal tree to analyze their effects on the intraspecific trait variation of mangrove hypocotyl. The results showed that value of establishment traits (FW, FL, TDmax and TDmin which are related to mass) decreased along increasing latitudinal gradients and they were directly positively regulated by temperature. ITV of dispersal trait (RTD) was unstructured along latitudinal gradients, which was constrained by fitness tradeoff. Our findings indicate that establishment traits mainly varied between populations, whereas dispersal traits mainly varied between individuals. This study provides insights into the ITV of propagule in different functional dimensions on a broad scale and that may help integrate ITV into future analyses of mangrove protection.
25 Apr 2023Submitted to Ecology and Evolution
26 Apr 2023Submission Checks Completed
26 Apr 2023Assigned to Editor
04 May 2023Reviewer(s) Assigned
10 Jul 2023Review(s) Completed, Editorial Evaluation Pending
18 Jul 2023Editorial Decision: Revise Minor
07 Sep 20231st Revision Received
09 Sep 2023Submission Checks Completed
09 Sep 2023Assigned to Editor
09 Sep 2023Review(s) Completed, Editorial Evaluation Pending