Photosynthetic Properties of Co-Occurring Pioneer Species on Volcanically Devastated Sites in Miyake-jima Island, Japan

Pioneer species differing in their inherent ecological characteristics (e.g., N-fixing ability, photosynthetic pathway) can have a large impact on local ecosystems in the early stages of volcanic succession. However, it remains unclear as to how these pioneer species adapt to the extreme environment...

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Autores principales:	Xiulong Zhang, Hao Li, Xiaoxing Hu, Pengyao Zheng, Mitsuru Hirota, Takashi Kamijo
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	volcanically devastated site pioneer species ecophysiological leaf traits photosynthetic N use efficiency Botany QK1-989
Acceso en línea:	https://doaj.org/article/9d410d990e9d445996b92b3970e35c78
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spelling	oai:doaj.org-article:9d410d990e9d445996b92b3970e35c782021-11-25T18:47:06ZPhotosynthetic Properties of Co-Occurring Pioneer Species on Volcanically Devastated Sites in Miyake-jima Island, Japan10.3390/plants101125002223-7747https://doaj.org/article/9d410d990e9d445996b92b3970e35c782021-11-01T00:00:00Zhttps://www.mdpi.com/2223-7747/10/11/2500https://doaj.org/toc/2223-7747Pioneer species differing in their inherent ecological characteristics (e.g., N-fixing ability, photosynthetic pathway) can have a large impact on local ecosystems in the early stages of volcanic succession. However, it remains unclear as to how these pioneer species adapt to the extreme environment of volcanically devastated sites in terms of ecophysiological leaf traits. In this study, we compared the leaf traits (including morphological, physiological) of three co-occurring pioneer species, including a C<sub>4</sub> non-N-fixing grass, a C<sub>3</sub> N-fixing tree, and a C<sub>3</sub> non-N-fixing herb from a newly created (18 years after eruption) volcanically devastated site in Miyake-jima, Japan. Our results showed that three pioneer species have different sets of leaf traits that are associated with their ecophysiological growth advantages, respectively. <i>Miscanthus condensatus</i> shows the highest light-saturated photosynthetic rate (A<sub>max</sub>). The higher A<sub>max</sub> were partially the result of higher water use efficiency (WUE) and photosynthetic N-use efficiency (PNUE). The PNUE in <i>M. condensatus</i> appears to be high, even for a C<sub>4</sub> grass. <i>Alnus sieboldiana</i> rely on its N-fixing ability, has a higher leaf N content (N<sub>area</sub>) that compensates for its photosynthetic machinery (Rubisco), and further ensures its photosynthetic capacity. <i>Fallopia japonica</i> var. <i>hachidyoensis</i> has a higher leaf mass per area (LMA), chlorophyll content (Chl), and maximum quantum yield of PSII (Fv/Fm), demonstrating its higher light capturing ability. These results make it possible to predict certain ecological processes that take place in the early stages of volcanic succession resulting from ecological characteristics and from some key leaf traits of pioneer species. It also provides a theoretical basis for species selection and species combination for volcanic ecological restoration.Xiulong ZhangHao LiXiaoxing HuPengyao ZhengMitsuru HirotaTakashi KamijoMDPI AGarticlevolcanically devastated sitepioneer speciesecophysiological leaf traitsphotosynthetic N use efficiencyBotanyQK1-989ENPlants, Vol 10, Iss 2500, p 2500 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	volcanically devastated site pioneer species ecophysiological leaf traits photosynthetic N use efficiency Botany QK1-989
spellingShingle	volcanically devastated site pioneer species ecophysiological leaf traits photosynthetic N use efficiency Botany QK1-989 Xiulong Zhang Hao Li Xiaoxing Hu Pengyao Zheng Mitsuru Hirota Takashi Kamijo Photosynthetic Properties of Co-Occurring Pioneer Species on Volcanically Devastated Sites in Miyake-jima Island, Japan
description	Pioneer species differing in their inherent ecological characteristics (e.g., N-fixing ability, photosynthetic pathway) can have a large impact on local ecosystems in the early stages of volcanic succession. However, it remains unclear as to how these pioneer species adapt to the extreme environment of volcanically devastated sites in terms of ecophysiological leaf traits. In this study, we compared the leaf traits (including morphological, physiological) of three co-occurring pioneer species, including a C<sub>4</sub> non-N-fixing grass, a C<sub>3</sub> N-fixing tree, and a C<sub>3</sub> non-N-fixing herb from a newly created (18 years after eruption) volcanically devastated site in Miyake-jima, Japan. Our results showed that three pioneer species have different sets of leaf traits that are associated with their ecophysiological growth advantages, respectively. <i>Miscanthus condensatus</i> shows the highest light-saturated photosynthetic rate (A<sub>max</sub>). The higher A<sub>max</sub> were partially the result of higher water use efficiency (WUE) and photosynthetic N-use efficiency (PNUE). The PNUE in <i>M. condensatus</i> appears to be high, even for a C<sub>4</sub> grass. <i>Alnus sieboldiana</i> rely on its N-fixing ability, has a higher leaf N content (N<sub>area</sub>) that compensates for its photosynthetic machinery (Rubisco), and further ensures its photosynthetic capacity. <i>Fallopia japonica</i> var. <i>hachidyoensis</i> has a higher leaf mass per area (LMA), chlorophyll content (Chl), and maximum quantum yield of PSII (Fv/Fm), demonstrating its higher light capturing ability. These results make it possible to predict certain ecological processes that take place in the early stages of volcanic succession resulting from ecological characteristics and from some key leaf traits of pioneer species. It also provides a theoretical basis for species selection and species combination for volcanic ecological restoration.
format	article
author	Xiulong Zhang Hao Li Xiaoxing Hu Pengyao Zheng Mitsuru Hirota Takashi Kamijo
author_facet	Xiulong Zhang Hao Li Xiaoxing Hu Pengyao Zheng Mitsuru Hirota Takashi Kamijo
author_sort	Xiulong Zhang
title	Photosynthetic Properties of Co-Occurring Pioneer Species on Volcanically Devastated Sites in Miyake-jima Island, Japan
title_short	Photosynthetic Properties of Co-Occurring Pioneer Species on Volcanically Devastated Sites in Miyake-jima Island, Japan
title_full	Photosynthetic Properties of Co-Occurring Pioneer Species on Volcanically Devastated Sites in Miyake-jima Island, Japan
title_fullStr	Photosynthetic Properties of Co-Occurring Pioneer Species on Volcanically Devastated Sites in Miyake-jima Island, Japan
title_full_unstemmed	Photosynthetic Properties of Co-Occurring Pioneer Species on Volcanically Devastated Sites in Miyake-jima Island, Japan
title_sort	photosynthetic properties of co-occurring pioneer species on volcanically devastated sites in miyake-jima island, japan
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/9d410d990e9d445996b92b3970e35c78
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_version_	1718410729126625280

Photosynthetic Properties of Co-Occurring Pioneer Species on Volcanically Devastated Sites in Miyake-jima Island, Japan

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