Journal of the Korean Society of Environmental Restoration Technology (한국환경복원기술학회지)

The Korea Society of Environmental Restoration Technology (한국환경복원기술학회)
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Analysis of soil coarse pore fraction by major factors for evaluation of water conservation function potential in forest soil

산림토양의 수원함양기능 잠재력 평가를 위한 주요 인자별 토양 조공극률 분석

  • Li, Qiwen (Forest Environment and Conservation Department, National Institute of Forest Science) ;
  • Lim, Hong-Geun (Forest Environment and Conservation Department, National Institute of Forest Science) ;
  • Moon, Hae-Won (Forest Environment and Conservation Department, National Institute of Forest Science) ;
  • Nam, Soo-Youn (Forest Environment and Conservation Department, National Institute of Forest Science) ;
  • Kim, Jae-Hoon (Forest Environment and Conservation Department, National Institute of Forest Science) ;
  • Choi, Hyung-Tae (Forest Environment and Conservation Department, National Institute of Forest Science)
  • 이기문 (국립산림과학원 산림환경보전연구부) ;
  • 임홍근 (국립산림과학원 산림환경보전연구부) ;
  • 문혜원 (국립산림과학원 산림환경보전연구부) ;
  • 남수연 (국립산림과학원 산림환경보전연구부) ;
  • 김재훈 (국립산림과학원 산림환경보전연구부) ;
  • 최형태 (국립산림과학원 산림환경보전연구부)
  • Received : 2022.11.02
  • Accepted : 2022.12.11
  • Published : 2022.12.30
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Abstract

As the water shortage has become a noticeable issue due to climate change, forests play an importance role as the provider of water supply service. There is, however, little information about the relationships between the factors used in the estimation of water supply service and coarse pore fraction of forest soil which determines the potential of water supply. To find out whether there would be an amelioration in the scoring system of water supply service estimation, we examined all factors except meteorological one and additionally, analyzed 4 extra factors that might be related with coarse pore fraction of soil. A total of 2,214 soil samples were collected throughout South Korea to measure coarse pore fractions from 2015 to 2020. First, the result of average coarse pore fraction of all samples showed 32.98±6.59% which was consistent with previous studies. And the results of non-parametric analysis of variance indicated that only two of eleven factors that was used in the scoring system matched the results of coarse pore fraction of forest soils. Tree canopy coverage showed no difference among categories, and slope also showed no significance at level of 0.05 in the linear regression analysis. Additionally, the applicability of 4 extra factors were confirmed, as the result of coarse pore fractions of soil samples were different for various categories of each factor. Therefore, the scoring system of water supply service of forest should be revised to improve accuracy.

Keywords

References

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