Transpiration Sensitivity to Drought in <i>Quercus wutaishansea</i> Mary Forests on Shady and Sunny Slopes in the Liupan Mountains, Northwestern China

Forests in water source areas are important factors for water supply security, soil, and water conservation, and their water consumption from transpiration is strongly affected by site conditions, including the slope aspect. However, the lack of research on how the slope aspect interferes with the r...

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Main Authors: Bingbing Liu, Pengtao Yu, Xue Zhang, Jiamei Li, Yipeng Yu, Yanfang Wan, Yanhui Wang, Xiao Wang, Zebin Liu, Lei Pan, Lihong Xu
Format: Article
Language:English
Published: MDPI AG 2022-11-01
Series:Forests
Subjects:
Online Access:https://www.mdpi.com/1999-4907/13/12/1999
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author Bingbing Liu
Pengtao Yu
Xue Zhang
Jiamei Li
Yipeng Yu
Yanfang Wan
Yanhui Wang
Xiao Wang
Zebin Liu
Lei Pan
Lihong Xu
author_facet Bingbing Liu
Pengtao Yu
Xue Zhang
Jiamei Li
Yipeng Yu
Yanfang Wan
Yanhui Wang
Xiao Wang
Zebin Liu
Lei Pan
Lihong Xu
author_sort Bingbing Liu
collection DOAJ
description Forests in water source areas are important factors for water supply security, soil, and water conservation, and their water consumption from transpiration is strongly affected by site conditions, including the slope aspect. However, the lack of research on how the slope aspect interferes with the response of stand transpiration to drought has hindered researchers from developing climate-resilient forest–water coordinated, sustainable development plans for different stand conditions. This study was conducted on <i>Quercus wutaishansea</i> forests in the southern part of Liupan Mountain in northwest China, and two sample plots were built on sunny and shady slopes. The responses of stand transpiration to various soil moisture and meteorological conditions on different slope orientations were analyzed. The results showed better-growing stands on shady slopes transpired more and consumed more soil moisture than those on sunny slopes. The soil moisture on shady slopes decreased rapidly below the threshold level during the drought, leading to a limitation of stand transpiration; however, its transpiration recovered rapidly after the drought. In contrast, stand transpiration on sunny slopes was not affected by this drought and maintained its pre-drought rate. Our results suggested that stands with higher water demand on shady slopes were more susceptible to drought when it occurred. This indicated that in the case of frequent droughts, the vegetation should be managed according to the vegetation-carrying capacities resulting from different site conditions.
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spelling doaj.art-68912e6e80c449369f62765ebaf283012023-11-24T14:53:38ZengMDPI AGForests1999-49072022-11-011312199910.3390/f13121999Transpiration Sensitivity to Drought in <i>Quercus wutaishansea</i> Mary Forests on Shady and Sunny Slopes in the Liupan Mountains, Northwestern ChinaBingbing Liu0Pengtao Yu1Xue Zhang2Jiamei Li3Yipeng Yu4Yanfang Wan5Yanhui Wang6Xiao Wang7Zebin Liu8Lei Pan9Lihong Xu10Key Laboratory of Forest Ecology and Environment of National Forestry and Grassland Administration, Liupan Mountains Forest Ecosystems National Positioning Observation and Research Station, Ecology and Nature Conservation Institute, Chinese Academy of Forestry, Beijing 100091, ChinaKey Laboratory of Forest Ecology and Environment of National Forestry and Grassland Administration, Liupan Mountains Forest Ecosystems National Positioning Observation and Research Station, Ecology and Nature Conservation Institute, Chinese Academy of Forestry, Beijing 100091, ChinaSchool of Forestry, Northeast Forestry University, Harbin 150000, ChinaKey Laboratory of Forest Ecology and Environment of National Forestry and Grassland Administration, Liupan Mountains Forest Ecosystems National Positioning Observation and Research Station, Ecology and Nature Conservation Institute, Chinese Academy of Forestry, Beijing 100091, ChinaKey Laboratory of Forest Ecology and Environment of National Forestry and Grassland Administration, Liupan Mountains Forest Ecosystems National Positioning Observation and Research Station, Ecology and Nature Conservation Institute, Chinese Academy of Forestry, Beijing 100091, ChinaKey Laboratory of Forest Ecology and Environment of National Forestry and Grassland Administration, Liupan Mountains Forest Ecosystems National Positioning Observation and Research Station, Ecology and Nature Conservation Institute, Chinese Academy of Forestry, Beijing 100091, ChinaKey Laboratory of Forest Ecology and Environment of National Forestry and Grassland Administration, Liupan Mountains Forest Ecosystems National Positioning Observation and Research Station, Ecology and Nature Conservation Institute, Chinese Academy of Forestry, Beijing 100091, ChinaKey Laboratory of Forest Ecology and Environment of National Forestry and Grassland Administration, Liupan Mountains Forest Ecosystems National Positioning Observation and Research Station, Ecology and Nature Conservation Institute, Chinese Academy of Forestry, Beijing 100091, ChinaKey Laboratory of Forest Ecology and Environment of National Forestry and Grassland Administration, Liupan Mountains Forest Ecosystems National Positioning Observation and Research Station, Ecology and Nature Conservation Institute, Chinese Academy of Forestry, Beijing 100091, ChinaDalad Banner Forestry and Grassland Bureau, Erdos 301700, ChinaKey Laboratory of Forest Ecology and Environment of National Forestry and Grassland Administration, Liupan Mountains Forest Ecosystems National Positioning Observation and Research Station, Ecology and Nature Conservation Institute, Chinese Academy of Forestry, Beijing 100091, ChinaForests in water source areas are important factors for water supply security, soil, and water conservation, and their water consumption from transpiration is strongly affected by site conditions, including the slope aspect. However, the lack of research on how the slope aspect interferes with the response of stand transpiration to drought has hindered researchers from developing climate-resilient forest–water coordinated, sustainable development plans for different stand conditions. This study was conducted on <i>Quercus wutaishansea</i> forests in the southern part of Liupan Mountain in northwest China, and two sample plots were built on sunny and shady slopes. The responses of stand transpiration to various soil moisture and meteorological conditions on different slope orientations were analyzed. The results showed better-growing stands on shady slopes transpired more and consumed more soil moisture than those on sunny slopes. The soil moisture on shady slopes decreased rapidly below the threshold level during the drought, leading to a limitation of stand transpiration; however, its transpiration recovered rapidly after the drought. In contrast, stand transpiration on sunny slopes was not affected by this drought and maintained its pre-drought rate. Our results suggested that stands with higher water demand on shady slopes were more susceptible to drought when it occurred. This indicated that in the case of frequent droughts, the vegetation should be managed according to the vegetation-carrying capacities resulting from different site conditions.https://www.mdpi.com/1999-4907/13/12/1999<i>Quercus wutaishansea</i>transpirationslope aspectdroughtrelative extractable water
spellingShingle Bingbing Liu
Pengtao Yu
Xue Zhang
Jiamei Li
Yipeng Yu
Yanfang Wan
Yanhui Wang
Xiao Wang
Zebin Liu
Lei Pan
Lihong Xu
Transpiration Sensitivity to Drought in <i>Quercus wutaishansea</i> Mary Forests on Shady and Sunny Slopes in the Liupan Mountains, Northwestern China
Forests
<i>Quercus wutaishansea</i>
transpiration
slope aspect
drought
relative extractable water
title Transpiration Sensitivity to Drought in <i>Quercus wutaishansea</i> Mary Forests on Shady and Sunny Slopes in the Liupan Mountains, Northwestern China
title_full Transpiration Sensitivity to Drought in <i>Quercus wutaishansea</i> Mary Forests on Shady and Sunny Slopes in the Liupan Mountains, Northwestern China
title_fullStr Transpiration Sensitivity to Drought in <i>Quercus wutaishansea</i> Mary Forests on Shady and Sunny Slopes in the Liupan Mountains, Northwestern China
title_full_unstemmed Transpiration Sensitivity to Drought in <i>Quercus wutaishansea</i> Mary Forests on Shady and Sunny Slopes in the Liupan Mountains, Northwestern China
title_short Transpiration Sensitivity to Drought in <i>Quercus wutaishansea</i> Mary Forests on Shady and Sunny Slopes in the Liupan Mountains, Northwestern China
title_sort transpiration sensitivity to drought in i quercus wutaishansea i mary forests on shady and sunny slopes in the liupan mountains northwestern china
topic <i>Quercus wutaishansea</i>
transpiration
slope aspect
drought
relative extractable water
url https://www.mdpi.com/1999-4907/13/12/1999
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