[논문]산림토양의 수원함양기능 잠재력 평가를 위한 주요 인자별 토양 조공극률 분석

이기문; 임홍근; 문혜원; 남수연; 김재훈; 최형태

doi:10.13087/kosert.2022.25.6.35

산림토양의 수원함양기능 잠재력 평가를 위한 주요 인자별 토양 조공극률 분석
Analysis of soil coarse pore fraction by major factors for evaluation of water conservation function potential in forest soil 원문보기

環境復元綠化 = Journal of the Korean Society of Environmental Restoration Technology, v.25 no.6, 2022년, pp.35 - 50

이기문 (국립산림과학원 산림환경보전연구부) , 임홍근 (국립산림과학원 산림환경보전연구부) , 문혜원 (국립산림과학원 산림환경보전연구부) , 남수연 (국립산림과학원 산림환경보전연구부) , 김재훈 (국립산림과학원 산림환경보전연구부) , 최형태 (국립산림과학원 산림환경보전연구부)

Abstract ▼ AI-Helper

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.

주제어

표/그림 (24)

그림 Figure 1. Locations of soil samples throughout South Korea
표 Table 1. Number of soil samples by administrative district
표 Table 2. Category score of each factors used in evaluation system(National Institute of Forest Science, 2014)
그림 Figure 2. Flowchart of this study
$Figure 3. Coarse pore fraction of soil by vegetation factors$ 그림 Figure 3. Coarse pore fraction of soil by vegetation factors
$Table 3. Descriptive statistics of coarse pore fraction of all samples$ 표 Table 3. Descriptive statistics of coarse pore fraction of all samples
$Table 4. Result of post-hoc analysis of coarse pore fraction of soil by forest type$ 표 Table 4. Result of post-hoc analysis of coarse pore fraction of soil by forest type
$Table 5. Result of post-hoc analysis of coarse pore fraction of soil by age class$ 표 Table 5. Result of post-hoc analysis of coarse pore fraction of soil by age class
$Table 6. Result of post-hoc analysis of coarse pore fraction of soil by tree canopy cover$ 표 Table 6. Result of post-hoc analysis of coarse pore fraction of soil by tree canopy cover
$Table 7. Result of post-hoc analysis of coarse pore fraction of soil by DBH class$ 표 Table 7. Result of post-hoc analysis of coarse pore fraction of soil by DBH class
$Figure 4. Linear relationship between elevation and coarse pore fraction of soil$ 그림 Figure 4. Linear relationship between elevation and coarse pore fraction of soil
$Figure 5. Linear relationship between slope and coarse pore fraction of soil$ 그림 Figure 5. Linear relationship between slope and coarse pore fraction of soil
$Figure 6. Linear relationship between TPI and coarse pore fraction of soil$ 그림 Figure 6. Linear relationship between TPI and coarse pore fraction of soil
$Figure 7. Linear relationship between soil depth and coarse pore fraction of soil$ 그림 Figure 7. Linear relationship between soil depth and coarse pore fraction of soil
$Figure 8. Coarse pore fraction of soil by environmental factors$ 그림 Figure 8. Coarse pore fraction of soil by environmental factors
$Table 8. Result of post-hoc analysis of coarse pore fraction of soil by bedrock type$ 표 Table 8. Result of post-hoc analysis of coarse pore fraction of soil by bedrock type
$Table 9. Result of post-hoc analysis of coarse pore fraction of soil by slope type$ 표 Table 9. Result of post-hoc analysis of coarse pore fraction of soil by slope type
$Table 10. Result of post-hoc analysis of coarse pore fraction of soil by soil texture$ 표 Table 10. Result of post-hoc analysis of coarse pore fraction of soil by soil texture
$Table 11. Result of post-hoc analysis of coarse pore fraction of soil by soil type$ 표 Table 11. Result of post-hoc analysis of coarse pore fraction of soil by soil type
$Table 12. Result of post-hoc analysis of coarse pore fraction of soil by soil hardness$ 표 Table 12. Result of post-hoc analysis of coarse pore fraction of soil by soil hardness
$Table 13. Result of post-hoc analysis of coarse pore fraction of soil by 4 cardinal directions$ 표 Table 13. Result of post-hoc analysis of coarse pore fraction of soil by 4 cardinal directions
$Table 14. Result of post-hoc analysis of coarse pore fraction of soil by land form type$ 표 Table 14. Result of post-hoc analysis of coarse pore fraction of soil by land form type
$Table 15. Result of post-hoc analysis of coarse pore fraction of soil by soil depth class$ 표 Table 15. Result of post-hoc analysis of coarse pore fraction of soil by soil depth class
표 Table 16. Modified category score of each factors for evaluation of water conservation function potential

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