Zhou Yun, Bai Yingchen, Yao Lan, et al. Litter and Soil Water-holding Capacity of Five Typical Forest Stands in Southwest Hubei Province[J]. Bulletin of Soiland Water Conservation, 2023, 43(2): 77-86.
DOI:
Zhou Yun, Bai Yingchen, Yao Lan, et al. Litter and Soil Water-holding Capacity of Five Typical Forest Stands in Southwest Hubei Province[J]. Bulletin of Soiland Water Conservation, 2023, 43(2): 77-86. DOI: 10.13961/j.cnki.stbctb.2023.02.010.
Litter and Soil Water-holding Capacity of Five Typical Forest Stands in Southwest Hubei Province
[Objective] The hydrological characteristics of typical forest litters and soil in Southwest Hubei Province were studied
and the water-holding capacity of different forest stands were analyzed and compared in order to provide a theoretical basis and scientific reference for selecting suitable afforestation species and creating reasonable soil and water conservation forests in the region. [Methods] The study was conducted for five typical forest stands in the national forest farm of Jinzi Mountain in Lichuan City. Field survey and sampling
the cutting ring method
and the indoor soaking method were used. The litter storage capacity
water-holding process
and water-holding capacity
as well as the water-holding capacity and infiltration process of the soil layer in each forest stand were compared and analyzed. [Results] ① Litter storage for the five forest stands followed the order of Cunninghamia lanceolata plantation > deciduous broad-leaved mixed forest > Larix kaempferi plantation > Cryptomeria fortunei plantation > artificial plantation of Liriodendron chinense. The maximum water-holding capacity varied from 13.94 to 29.12 t/hm2
which was consistent with the change of litter storage. ② The litter water-holding capacity and immersion time exhibited a logarithmic relationship. The water absorption rate and immersion time followed a power function relationship. ③ The maximum water-holding capacity of the 0—40 cm soil layer ranged from 277.02 to 334.12 t/hm2
and followed the order of artificial plantation of Liriodendron chinense> deciduous broad-leaved mixed forest> Larix kaempferi plantation> Cunninghamia lanceolata plantation> Cryptomeria ortune plantation. The average infiltration rate varied from 6.89 to 22.30 mm/min. The steady infiltration time ranged from 18.40 to 25.73 min. The average infiltration rate of soil varied from 6.89 to 22 mm/min. The steady infiltration time ranged from 18.40 to 25.73 min. The best soil permeability was found in the artificial plantation of Liriodendron chinense
followed by the deciduous broad-leaved mixed forest. ④ From the analysis using the coordinate integrated assessment method
we observed the greatest comprehensive water-holding performance for the deciduous broad-leaved mixed forest. However
in terms of the water-holding performance of litter and soil
the Cunninghamia lanceolata plantation and the artificial plantation of Liriodendron chinense
respectively
were the best. [Conclusion] For the litter layer
Cunninghamia lanceolata plantation had the best water-holding performance. For the soil layer
Liriodendron chinense plantation had the best water-holding performance. Based on the comprehensive evaluation of all indicators
the overall water-holding performance of broad-leaved mixed forest was the best. Therefore
in Southwest Hubei Province
we recommend adoption of a close-to-natural forest culture and management method
planting coniferous and broad-leaved species appropriately
and increasing the proportion of mixed forests so as to increase the hydrological benefits of litter
and to increase soil aeration and permeability
thereby maximizing the water-holding capacity of litter and soil under different forest stands.
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Related Author
Zhang Jin
Liu Yungen
Hu Jun
Zhang Jiaxu
Luo Zhifeng
Huang Caishuang
Gao Wenjiao
Wang Yan
Related Institution
School of Tourism Service and Management, Chongqing University of Education
College of Soil and Water Conservation, Southwest Forestry University
Key Laboratory of Evolution and Pollution Control of;Mountain Rural Ecological Environment in Yunnan Province
Institute of Water Resources and Hydro power Research , Northwest Science and Technology University of Agriculture and Forestry, Yangling 712100, Shannxi Province
Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources, Yangling