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계절에 따른 습지 내 저서성대형무척추동물 모니터링을 통한 지하수의존생태계 특성 평가
정찬영,최지웅,문희선,김동훈,문상호,오용화,한지연,오설란,김용철,Jeong, Chanyoung,Choi, Ji-Woong,Moon, Hee Sun,Kim, Dong-Hun,Moon, Sang-Ho,O, Yong-Hwa,Han, Ji Yeon,Oh, Seolran,Kim, Yongcheol 한국지하수토양환경학회 2021 지하수토양환경 Vol.26 No.6
Wetlands are one of the most representative groundwater dependent ecosystems(GDEs) that require access to groundwater on a permanent or intermittent basis to maintain their biological communities and ecological processes. In this study, the seasonal characteristics of the GDEs in Baekseok Reservoir Wetland were evaluated through the monitoring of the temporal and spatial community of benthic macroinvertebrates in the wetland. The appearance of benthic macroinvertebrates appearance was changed seasonally depending on environmental factors such temperature, precipitation and water level for their habitat and it also showed the clear spatial difference in the wetland. The scores of Diversity index(H'), Richness Index (R1) and the Ecological score of benthic macroinvertebrates (TESB/AESB) were relatively high at St.3 and 4(i.e., north area) where groundwater inflows into wetland(i.e., high <sup>222</sup>Rn conc.). The statistical analysis (ANOVA test and PCA) investigated the correlation among the benthic macroinvertebrates' community, groundwater level, wetland water level and water quality. The results showed that the community of benthic macroinvertebrates at St. 3 and 4 in Baekseok Reservoir Wetlands was spatially dependent on groundwater level and groundwater inflow. The characterization and assessment of GDEs requires understanding the hydrological, biogeochemical and biological process and this study will provide information for characterization and assessment of GDEs.