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Effects of environmental factors on evapotranspiration in a Pinus sylvestris var. mongolica plantation
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Xiang GAO1, 2, Jinfeng CAI2, Songyi PEI3, Hui HUANG1, 4, Jinsong ZHANG1, 2, *
Journal of Forest and Environment | 2025, 45(6) : 607 - 617
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Journal of Forest and Environment | 2025, 45(6): 607-617
• Forest ecology •
Effects of environmental factors on evapotranspiration in a Pinus sylvestris var. mongolica plantation
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Xiang GAO1, 2, Jinfeng CAI2, Songyi PEI3, Hui HUANG1, 4, Jinsong ZHANG1, 2, *
Affiliations
  • 1.Key Laboratory of Tree Breeding and Cultivation, National Forestry and Grassland Administration, Research Institute of Forestry, Chinese Academy of Forestry, Beijing 100091, China
  • 2.Co-Innovation Center for Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing, Jiangsu 210037, China
  • 3.State-owned Jianping County Heishui Mechanized Forest Farm, Chaoyang, Liaoning 122000, China
  • 4.Henan Xiaolangdi Forest Ecosystem National Observation and Research Station, Jiyuan, Henan 454650, China
Published: 2025-11-15 doi: 10.13324/j.cnki.jfcf.202505001
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This study aims to investigate evapotranspiration and its response to environmental factors and ascertain the land-atmosphere interactions in Pinus sylvestris var. mongolica plantations of China. The eddy-covariance technique and corresponding environmental sensors were used to continuously measure evapotranspiration and environmental factors in a P. sylvestris var. mongolica plantation in the western Liaoning Province in 2021 and 2022. The results showed that the plantation had the annual evapotranspiration of 394. 93 mm and 455. 99 mm, the precipitation minus evapotranspiration of 237. 87 mm and 119. 11 mm in 2021 and 2022, respectively. Net radiation, air temperature, air relative humility, top soil water content, and normalized difference vegetation index were the key controlling factors of evapotranspiration, and the correlation coefficient with normalized difference vegetation index was highest during the growing seasons in the two years. Canopy conductance had exponential relationships with crop coefficient, Priestley-Taylor coefficient, and decoupling coefficient, and the threshold value of canopy conductance was 10 mm ·s-1. When normalized difference vegetation index was greater than 0. 55, canopy conductance, crop coefficient, Priestley-Taylor coefficient, and decoupling coefficient increased rapidly with the increase in normalized difference vegetation index. The vapor pressure deficit had significantly negative effects on those surface parameters. And those surface parameters were promoted linearly by top soil water content in this plantation.The P. sylvestris var. mongolica plantation in the western Liaoning Province stored a part of precipitation.Canopy development dominated the seasonal variationsof evapotranspiration, and four surface parameters were significantly influenced by vegetation greenness and soil and atmospheric water status.

eddy covariance  /  Pinus sylvestris var. mongolica plantation  /  evapotranspiration  /  surface parameters  /  western Liaoning Province
Xiang GAO, Jinfeng CAI, Songyi PEI, Hui HUANG, Jinsong ZHANG. Effects of environmental factors on evapotranspiration in a Pinus sylvestris var. mongolica plantation[J]. Journal of Forest and Environment, 2025 , 45 (6) : 607 -617 . DOI: 10.13324/j.cnki.jfcf.202505001
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Article Info
doi: 10.13324/j.cnki.jfcf.202505001
  • Receive Date：2025-05-06
  • Online Date：2026-05-28
  • Published：2025-11-15
Article Data
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History
  • Received：2025-05-06
  • Revised：2025-07-11
Affiliations
    1.Key Laboratory of Tree Breeding and Cultivation, National Forestry and Grassland Administration, Research Institute of Forestry, Chinese Academy of Forestry, Beijing 100091, China
    2.Co-Innovation Center for Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing, Jiangsu 210037, China
    3.State-owned Jianping County Heishui Mechanized Forest Farm, Chaoyang, Liaoning 122000, China
    4.Henan Xiaolangdi Forest Ecosystem National Observation and Research Station, Jiyuan, Henan 454650, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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