Diurnal and seasonal variations in photosynthetic rates of dwarf pine Pinus pumila at the treeline in central Japan
It is important to develop a convenient method for predicting photosynthetic rates in cold regions such as high elevations. Dwarf pine Pinus pumila is a representative treeline species in Japan. In this study, we investigated how environmental factors affect diurnal and seasonal variations of the in...
Published in: | Arctic, Antarctic, and Alpine Research |
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Taylor & Francis Group
2022
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Online Access: | https://doi.org/10.1080/15230430.2021.2022995 https://doaj.org/article/aac2f270e7894994a5ca6877f6c829f1 |
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fttriple:oai:gotriple.eu:oai:doaj.org/article:aac2f270e7894994a5ca6877f6c829f1 2023-05-15T14:14:22+02:00 Diurnal and seasonal variations in photosynthetic rates of dwarf pine Pinus pumila at the treeline in central Japan Ryuto Shimada Koichi Takahashi 2022-12-01 https://doi.org/10.1080/15230430.2021.2022995 https://doaj.org/article/aac2f270e7894994a5ca6877f6c829f1 en eng Taylor & Francis Group 1523-0430 1938-4246 doi:10.1080/15230430.2021.2022995 https://doaj.org/article/aac2f270e7894994a5ca6877f6c829f1 undefined Arctic, Antarctic, and Alpine Research, Vol 54, Iss 1, Pp 1-12 (2022) climate change dwarf pine growth photosynthesis treeline envir geo Journal Article https://vocabularies.coar-repositories.org/resource_types/c_6501/ 2022 fttriple https://doi.org/10.1080/15230430.2021.2022995 2023-01-22T17:04:50Z It is important to develop a convenient method for predicting photosynthetic rates in cold regions such as high elevations. Dwarf pine Pinus pumila is a representative treeline species in Japan. In this study, we investigated how environmental factors affect diurnal and seasonal variations of the in situ photosynthetic rate of P. pumila. Five environmental factors (photosynthetic photon flux density [PPFD], air temperature [Ta], soil temperature [Ts], vapor pressure deficit [VPD], and soil water content [SWC]) were examined. Photosynthetic measurements were conducted for four needle ages at hourly intervals on fifteen days from July to October 2018. The net photosynthetic rate decreased with needle age and changed seasonally and diurnally for each needle age. The net photosynthetic rate showed unimodal patterns with Ta, Ts, and SWC. The seasonal and diurnal changes in the net photosynthetic rate were related to seasonal changes in the four environmental factors (PPFD, Ta, Ts, SWC); the net photosynthetic rate decreased in mid-summer when Ta, Ts, and PPFD were high due to a decrease in SWC. Seasonal and diurnal changes in net photosynthetic rates could be reproduced by the multiplicative model of the four environmental factors and needle age. Therefore, the photosynthetic rate of P. pumila can be explained and predicted using these environmental factors and needle age. This information will be useful for predicting the effects of climate change on the photosynthetic production of plants in cold regions. Article in Journal/Newspaper Antarctic and Alpine Research Arctic Unknown Arctic, Antarctic, and Alpine Research 54 1 1 12 |
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Open Polar |
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language |
English |
topic |
climate change dwarf pine growth photosynthesis treeline envir geo |
spellingShingle |
climate change dwarf pine growth photosynthesis treeline envir geo Ryuto Shimada Koichi Takahashi Diurnal and seasonal variations in photosynthetic rates of dwarf pine Pinus pumila at the treeline in central Japan |
topic_facet |
climate change dwarf pine growth photosynthesis treeline envir geo |
description |
It is important to develop a convenient method for predicting photosynthetic rates in cold regions such as high elevations. Dwarf pine Pinus pumila is a representative treeline species in Japan. In this study, we investigated how environmental factors affect diurnal and seasonal variations of the in situ photosynthetic rate of P. pumila. Five environmental factors (photosynthetic photon flux density [PPFD], air temperature [Ta], soil temperature [Ts], vapor pressure deficit [VPD], and soil water content [SWC]) were examined. Photosynthetic measurements were conducted for four needle ages at hourly intervals on fifteen days from July to October 2018. The net photosynthetic rate decreased with needle age and changed seasonally and diurnally for each needle age. The net photosynthetic rate showed unimodal patterns with Ta, Ts, and SWC. The seasonal and diurnal changes in the net photosynthetic rate were related to seasonal changes in the four environmental factors (PPFD, Ta, Ts, SWC); the net photosynthetic rate decreased in mid-summer when Ta, Ts, and PPFD were high due to a decrease in SWC. Seasonal and diurnal changes in net photosynthetic rates could be reproduced by the multiplicative model of the four environmental factors and needle age. Therefore, the photosynthetic rate of P. pumila can be explained and predicted using these environmental factors and needle age. This information will be useful for predicting the effects of climate change on the photosynthetic production of plants in cold regions. |
format |
Article in Journal/Newspaper |
author |
Ryuto Shimada Koichi Takahashi |
author_facet |
Ryuto Shimada Koichi Takahashi |
author_sort |
Ryuto Shimada |
title |
Diurnal and seasonal variations in photosynthetic rates of dwarf pine Pinus pumila at the treeline in central Japan |
title_short |
Diurnal and seasonal variations in photosynthetic rates of dwarf pine Pinus pumila at the treeline in central Japan |
title_full |
Diurnal and seasonal variations in photosynthetic rates of dwarf pine Pinus pumila at the treeline in central Japan |
title_fullStr |
Diurnal and seasonal variations in photosynthetic rates of dwarf pine Pinus pumila at the treeline in central Japan |
title_full_unstemmed |
Diurnal and seasonal variations in photosynthetic rates of dwarf pine Pinus pumila at the treeline in central Japan |
title_sort |
diurnal and seasonal variations in photosynthetic rates of dwarf pine pinus pumila at the treeline in central japan |
publisher |
Taylor & Francis Group |
publishDate |
2022 |
url |
https://doi.org/10.1080/15230430.2021.2022995 https://doaj.org/article/aac2f270e7894994a5ca6877f6c829f1 |
genre |
Antarctic and Alpine Research Arctic |
genre_facet |
Antarctic and Alpine Research Arctic |
op_source |
Arctic, Antarctic, and Alpine Research, Vol 54, Iss 1, Pp 1-12 (2022) |
op_relation |
1523-0430 1938-4246 doi:10.1080/15230430.2021.2022995 https://doaj.org/article/aac2f270e7894994a5ca6877f6c829f1 |
op_rights |
undefined |
op_doi |
https://doi.org/10.1080/15230430.2021.2022995 |
container_title |
Arctic, Antarctic, and Alpine Research |
container_volume |
54 |
container_issue |
1 |
container_start_page |
1 |
op_container_end_page |
12 |
_version_ |
1766286868020723712 |