KSCE Journal of Civil and Environmental Engineering Research (대한토목학회논문집)

Korean Society of Civil Engeneers (대한토목학회)
권호 표지

A Weak Correlation of Field-determined Soil Microbial Diversity with Quantitative Ecological Map Information and its Methodological Implication in Estimation Soil Ecological Quality

현장 측정된 토양미생물 종 다양성과 생태자연도 등급 자료 간의 통계적 상관관계 평가와 토양생태의 질 산정방안 제안

Ki, Dong-Won;Lee, Jae-Jin;Rho, Paik-Ho;Park, Joon-Hong
기동원;이재진;노백호;박준홍

  • Published : 20071100

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Abstract

For improving sustainability of mega-construction projects, their impact on ecological consequences has to be predicted in a planning stage. For more reliable ecological impact evaluation, ecological quality has to be quantitatively classified first, and then an integrated information system with multiple-layered ecological and other environmental information databases is needed for efficiently handling and utilizing a huge amount of complex ecological and environmental information. Soil ecology is well known to have significant roles in maintaining the whole ecological systems in the Earth. However, its quality classification and assessment methodology has been poorly established in comparison to those for animal and plant ecosystems. In this study, a method for quantitatively classifying the quality of soil ecology using soil microbial diversity measurement was developed for mountain areas. When examining whether the soil ecology quality data have any correlation with the current ecological information including overall ecology quality index, animal/plant biodiversity, and forest health index, the current ecological information that are typically used in environmental impact assessment in our country was found to have a low power to reflect soil ecology quality. It may due to the fact that the current ecological information system does not include soil ecology quality information. This clearly suggests that an inclusion of soil ecology quality information is needed for more reliable environmental impact assessment. Based upon the findings from this work, an algorithm of estimating soil ecological quality using the existing nation-scale environmental and ecological geo-spatial information and its mapping method were proposed.

Keywords

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