표제지
목차
요약 12
Abstract 13
I. 서론 15
II. 재료 및 방법 18
1. 조사지 18
2. 현장 조사 및 매토종자은행 실험 24
2.1. 환경요인 24
2.2. 매토종자은행 27
2.3. 식생 27
3. 자료분석 28
3.1. 식물종 특성 분류 28
3.2. 통계분석 28
III. 결과 31
1. 환경 31
2. 매토종자은행 37
3. 현존식생 41
4. 현존식생과 매토종자은행의 관계와 종다양성 45
IV. 논의 50
인용문헌 58
Supplementary materials 68
Table 1. Comparisons of elevation above the ordinary water level and water depth and water velocity at the ordinary and flood water levels among the different floodplain types in the... 34
Table 2. Soil property at the two different elevations above the ordinary water level (OWL) of each floodplain types in the Cheongmicheon Stream, South Korea (Mean±SD, n=15). The... 35
Table 3. Comparisons of number of species per a quadrat of 1 m x 1 m, seed density, and dominant species in soil seedbank at different elevations above the ordinary water level... 39
Table 4. Comparison of number of species per a quadrat of 1 m x 1m and abundant species in standing vegetation at different elevations above the ordinary water level (OWL) in the... 43
Table 5. Sorensen similarity index and Euclidian similarity of the floristic compositions between the soil seed bank and the standing vegetation with the different elevations above... 47
Table A1. Species traits of plants found in standing vegetation and soil seedbank in the directly restored, indirectly restored, and unrestored floodplains of the Cheongmicheon... 68
Figure 1. Map showing the study site of the restored and the unrestored reaches in the Cheongmicheon Stream, South Korea. The restored reach is divided into the indirectly... 21
Figure 2. Map showing the study reach before and after the stream restoration in 2015 in the Cheongmicheon Stream, South Korea. a) the topographical map in 1918 (National... 22
Figure 3. Schematic diagram showing changes in topography and standing vegetation along the transect across the study sites of the Cheongmicheon Stream, South Korea. a) directly... 23
Figure 4. Biplots of principal components analysis (PCA) of environmental factors in the directly restored, indirectly restored and unrestored floodplains of the Cheongmicheon... 36
Figure 5. Biplots of detrended correspondence analysis (DCA) using soil seedbank data in the directly restored, indirectly restored and unrestored floodplains of the Cheongmicheon... 40
Figure 6. Biplots of detrended correspondence analysis (DCA) using standing vegetation data in the direct restored, indirect restored and unrestored floodplains of the... 44
Figure 7. α and β diversity index of the soil seedbank and standing vegetation with the different elevations (ordinary water level (OWL) + 0 m and OWL + 2 m) in the directly... 48
Figure 8. Beta diversity partitioning of species composition in the soil seedbank and standing vegetation with two different elevations in the directly restored (DR), indirectly restored (IR),... 49
Figure A1. The percentages of the area with the different elevations above the ordinary water level in each study site of the Cheongmicheon Stream, South Korea. Values above the lines... 70
Figure A2. Maps showing the distribution of a) elevation and b) water depth and c) water velocity simulated by Nays2dH (Shimizu et al. 2014) in the ordinary water level (OWL) and... 71
Figure A3. Importance value of plant species in the standing vegetation and soil seedbank with different elevations (ordinary water level (OWL) + 0 m and OWL + 2 m) in the directly... 72
Figure A4. Probability density distribution of beta diversity in the soil seedbank and standing vegetation with two different elevations in the directly restored, indirectly restore, and... 73