표제지

국문초록

목차

제1장 서론 21

제2장 연구 방법 24

2.1. 연구 대상종 24

2.2. 연구 지역 26

2.3. 데이터 수집 29

2.3.1. 포획 틀 설치 29

2.3.2. GPS tracker 및 수신 주기 31

2.3.3. 포획된 너구리들의 GPS 및 개체 정보 33

2.4. 너구리 행동권 분석 36

2.4.1. Count에 따른 평균을 이용한 방법 38

2.4.2. 최소볼록다각형(MCP : Minimum Convex Polygons)를 이용한 분석 39

2.4.3. 커널밀도추정(KDE : Kernel Density Estimation)을 이용한 분석 40

2.4.4. 통계 방법 41

2.5. 50m * 50m Grid 상의 Count에 따른 Poisson Regression 42

2.6. 너구리 서식지 예측 모델 : MaxEnt 47

2.6.1. MaxEnt model 47

2.6.2. MaxEnt model에 사용된 환경변수 : 경기-강원(춘천시 + 양평군 + 홍천군) 지역과 충남(충청남도) 지역 48

제3장 연구 결과 56

3.1. 너구리 행동권 분석 56

3.1.1. 행동권 데이터 56

3.1.2. 성별에 따른 행동권 비교 63

3.1.3. 지역별 너구리의 행동권 : 양평지역과 보령지역의 행동권 비교 77

3.1.4. 사람이 활동하는 시간대에 따른 행동권 비교 82

3.2. 50m * 50m Grid 상의 Count에 따른 Poisson Regression 110

3.2.1. 50m * 50m Grid 상의 Count에 따른 Zero-inflated Poisson Regression 결과 110

3.2.2. 50m * 50m Grid 상의 Count에 따른 Poisson Regression 결과 112

3.3. 너구리 서식지 예측모델 : MaxEnt 115

3.3.1. 홍천 + 양평지역의 데이터로 구축한 경기-강원 지역의 MaxEnt model 115

3.3.2. 보령 + 청양지역의 데이터로 구축한 충남 지역의 MaxEnt model 117

3.3.3. 경기-강원 지역의 MaxEnt model 과 충남 지역의 MaxEnt model 비교 119

제4장 결론 125

제5장 고찰 127

제6장 참고문헌 130

Abstract 139

Table 1. Hongcheon(HC) area and major capture sites 27

Table 2. Yangpyeong(YP) area and major capture sites 27

Table 3. Boryeong(BR) area and major capture sites 28

Table 4. Cheongyang(CY) area and major Capture sites 28

Table 5. Information on individuals captured in the Hongcheon(HC) area 33

Table 6. Information on individuals captured in the Yangpyeong(YP) area 34

Table 7. Information on individuals captured in the Boryeong(BR) area 34

Table 8. Information on individuals captured in the Chungyang(CY) area 34

Table 9. Monthly GPS data of raccoon dog individuals 35

Table 10. Statistical Model Used in Homerange 41

Table 11. Comparison of multicollinearity of each environment variable 45

Table 12. Homerange values of 13 objects constructed for each category of land cover map 58

Table 13. Homerange value of inu2214 constructed for each category of land cover map 59

Table 14. Homerange value of inu2219 constructed for each category of land cover map 60

Table 15. Homerange value of inu2212 constructed for each category of land cover map 61

Table 16. Homerange value of inu2206 constructed for each category of land cover map 62

Table 17. Statistical analysis results in the comparison of Homerange according to sex 63

Table 18. Homerange value of Female : inu2114 constructed for each category of land cover map 64

Table 19. Homerange value of Female : inu2124 constructed for each category of land cover map 65

Table 20. Homerange value of Female : inu2130 constructed for each category of land cover map 66

Table 21. Homerange value of Female : inu2203 constructed for each category of land cover map 67

Table 22. Homerange value of Female : inu2205 constructed for each category of land cover map 68

Table 23. Homerange value of Female : inu2215 constructed for each category of land cover map 69

Table 24. Homerange value of Female : inu2218 constructed for each category of land cover map 70

Table 25. Homerange value of Male : inu2115 constructed for each category of land cover map 71

Table 26. Homerange value of Male : inu2121 constructed for each category of land cover map 72

Table 27. Homerange value of Male : inu2125 constructed for each category of land cover map 73

Table 28. Homerange value of Male : inu2127 constructed for each category of land cover map 74

Table 29. Homerange value of Male : inu2128 constructed for each category of land cover map 75

Table 30. Homerange value of Male : inu2202 constructed for each category of land cover map 76

Table 31. Area and ratio of land cover map in Yangpyeong(YP) area 79

Table 32. Area and ratio of land cover map in Boryeong(BR) area 80

Table 33. Statistical analysis results in comparison of Homerange in Yangpyeong(YP) and Boryeong(BR) areas 81

Table 34. Statistical analysis results in the comparison of the Homerange according to the time period in which people are active 83

Table 35. Homerange value of Human Time : inu2114 constructed for each category of land cover map 84

Table 36. Homerange value of No Human Time : inu2114 constructed for each category of land cover map 85

Table 37. Homerange value of Human Time : inu2115 constructed for each category of land cover map 86

Table 38. Homerange value of No Human Time : inu2115 constructed for each category of land cover map 87

Table 39. Homerange value of Human Time : inu2121 constructed for each category of land cover map 88

Table 40. Homerange value of No Human Time : inu2121 constructed for each category of land cover map 89

Table 41. Homerange value of Human Time : inu2124 constructed for each category of land cover map 90

Table 42. Homerange value of No Human Time : inu2124 constructed for each category of land cover map 91

Table 43. Homerange value of Human Time : inu2125 constructed for each category of land cover map 92

Table 44. Homerange value of No Human Time : inu2125 constructed for each category of land cover map 93

Table 45. Homerange value of Human Time : inu2127 constructed for each category of land cover map 94

Table 46. Homerange value of No Human Time : inu2127 constructed for each category of land cover map 95

Table 47. Homerange value of Human Time : inu2128 constructed for each category of land cover map 96

Table 48. Homerange value of No Human Time : inu2128 constructed for each category of land cover map 97

Table 49. Homerange value of Human Time : inu2130 constructed for each category of land cover map 98

Table 50. Homerange value of No Human Time : inu2130 constructed for each category of land cover map 99

Table 51. Homerange value of Human Time : inu2202 constructed for each category of land cover map 100

Table 52. Homerange value of No Human Time : inu2202 constructed for each category of land cover map 101

Table 53. Homerange value of Human Time : inu2203 constructed for each category of land cover map 102

Table 54. Homerange value of No Human Time : inu2203 constructed for each category of land cover map 103

Table 55. Homerange value of Human Time : inu2205 constructed for each category of land cover map 104

Table 56. Homerange value of No Human Time : inu2205 constructed for each category of land cover map 105

Table 57. Homerange value of Human Time : inu2215 constructed for each category of land cover map 106

Table 58. Homerange value of No Human Time : inu2215 constructed for each category of land cover map 107

Table 59. Homerange value of Human Time : inu2218 constructed for each category of land cover map 108

Table 60. Homerange value of No Human Time : inu2218 constructed for each category of land cover map 109

Table 61. statistical analysis result of Zero-inflated Poisson Regression according to Count on 50m * 50m Grid 110

Table 62. Statistical analysis result of Poisson Regression according to Count on 50m * 50m Grid 112

Table 63. Percent contribution and permutation importance of each environmental variable in Gyeonggi-Gangwon and Chungnam as a result of Maxent model 119

Table 64. Area and ratio of forest type in the Gyeonggi-Gangwon region 120

Table 65. Area and ratio of forest type in the Chungnam region 120

Table 66. Five high tree-species response curves in the Gyeonggi-Gangwon region 121

Table 67. Five high tree-species response curves in the chungnam region 122

Figure 1. Raccoon dog with GPS tracker (inu2122) 25

Figure 2. Areas Hongcheon(HC), Yangpyeong(YP), and individuals captured in each area 27

Figure 3. Areas Boryeong(BR), Cheongyang(CY), and individuals captured in each area 28

Figure 4. Installation of small capture frame 29

Figure 5. Installation of large capture frame 29

Figure 6. Individuals caught in a small capture frame 30

Figure 7. Individuals caught in a large capture frame 30

Figure 8. GPS tracker 32

Figure 9. 50m * 50m grid : Count distribution (X: Visit count, Y: Grid count) 43

Figure 10. 50m * 50m grid count in Boryeong(BR) area 44

Figure 11. 50m * 50m grid count in Cheongyang(CY) area 44

Figure 12. 50m * 50m grid count in Yangpyeong(YP) area 44

Figure 13. 50m * 50m grid count in Hongcheon(HC) area 44

Figure 14. Correlation analysis between environmental variables 46

Figure 15. Environmental variables: Distance from Building in Gyeonggi-Gangwon 50

Figure 16. Environmental variables: Distance from Building in Chungnam 50

Figure 17. Environmental variables: Distance from Waters in Gyeonggi-Gangwon 50

Figure 18. Environmental variables: Distance from Waters in Chungnam 50

Figure 19. Environmental variables: Gyeonggi-Gangwon Landcover map 51

Figure 20. Environmental variables: Chungnam Landcover map 51

Figure 21. Environmental variables: Gyeonggi-Gangwon Tree diameter-class Map 51

Figure 22. Environmental variables: Chungnam Tree diameter-class Map 51

Figure 23. Environmental variables: Gyeonggi-Gangwon Tree age-class map 52

Figure 24. Environmental variables: Chungnam Tree age-class map 52

Figure 25. Environmental variables: Gyeonggi-Gangwon Tree-species map 52

Figure 26. Environmental variables: Chungnam Tree-species Map 52

Figure 27. Environmental variables: forest tree density map of Gyeonggi-Gangwon 53

Figure 28. Environmental variables: forest tree density map of Chungnam 53

Figure 29. Environmental variables: Forest type map of Gyeonggi-Gangwon 53

Figure 30. Environmental variables: Forest type map of Chungnam 53

Figure 31. Environmental variables: Gyeonggi-Gangwon Elevation map 54

Figure 32. Environmental variables: Chungnam Elevation Map 54

Figure 33. Environmental variables: Gyeonggi-Gangwon slope map 54

Figure 34. Environmental variables: Chungnam slope map 54

Figure 35. Environmental variables: Hill-shade Map in Gyeonggi-Gangwon 55

Figure 36. Environmental variables: Hill-shade Map in Chungnam 55

Figure 37. Environmental variables: Gyeonggi-Gangwon Aspect map 55

Figure 38. Environmental variables: Chungnam Aspect map 55

Figure 39. Not used for analysis : inu2214 Homerange 59

Figure 40. Not used for analysis : inu2219 Homerange 60

Figure 41. Not used for analysis : inu2122 Homerange 61

Figure 42. Not used for analysis : inu2206 Homerange 62

Figure 43. Female : inu2114 Homerange 64

Figure 44. Female : inu2124 Homerange 65

Figure 45. Female : inu2130 Homerange 66

Figure 46. Female : inu2203 Homerange 67

Figure 47. Female : inu2205 Homerange 68

Figure 48. Female : inu2215 Homerange 69

Figure 49. Female : inu2218 Homerange 70

Figure 50. Male : inu2115 Homerange 71

Figure 51. Male : inu2121 Homerange 72

Figure 52. Male : inu2125 Homerange 73

Figure 53. Male : inu2127 Homerange 74

Figure 54. Male : inu2128 Homerange 75

Figure 55. Male : inu2202 Homerange 76

Figure 56. Landcover map of area Yangpyeong(YP) 79

Figure 57. Landcover map of area Boryeong(BR) 80

Figure 58. Human Time : inu2114 Homerange 84

Figure 59. No Human Time : inu2114 Homerange 85

Figure 60. Human Time : inu2115 Homerange 86

Figure 61. No Human Time : inu2115 Homerange 87

Figure 62. Human Time : inu2121 Homerange 88

Figure 63. No Human Time : inu2121 Homerange 89

Figure 64. Human Time : inu2124 Homerange 90

Figure 65. No Human Time : inu2124 Homerange 91

Figure 66. Human Time : inu2125 Homerange 92

Figure 67. No Human Time : inu2125 Homerange 93

Figure 68. Human Time : inu2127 Homerange 94

Figure 69. No Human Time : inu2127 Homerange 95

Figure 70. Human Time : inu2128 Homerange 96

Figure 71. No Human Time : inu2128 Homerange 97

Figure 72. Human Time : inu2130 Homerange 98

Figure 73. No Human Time : inu2130 Homerange 99

Figure 74. Human Time : inu2202 Homerange 100

Figure 75. No Human Time : inu2202 Homerange 101

Figure 76. Human Time : inu2203 Homerange 102

Figure 77. No Human Time : inu2203 Homerange 103

Figure 78. Human Time : inu2205 Homerange 104

Figure 79. No Human Time : inu2205 Homerange 105

Figure 80. Human Time : inu2215 Homerange 106

Figure 81. No Human Time : inu2215 Homerange 107

Figure 82. Human Time : inu2218 Homerange 108

Figure 83. No Human Time : inu2218 Homerange 109

Figure 84. Predicted versus actual counts using the ZIP model (X : Grid number, Y : Visit count) 111

Figure 85. Predicted versus actual counts using the Poisson model (X : Grid number, Y : Visit count) 113

Figure 86. AUC value in MaxEnt model of Gyeonggi-Gangwon area 115

Figure 87. MaxEnt map of Gyeonggi-Gangwon area 116

Figure 88. AUC value in MaxEnt model of Chungnam area 117

Figure 89. MaxEnt map of Chungnam area 118

Figure 90. Response Curve of Elevation in Gyeonggi-Gangwon Area 120

Figure 91. Response Curve of Elevation in Chungnam area 120

Figure 92. Response curve of Tree-species in Gyeonggi-Gangwon area 121

Figure 93. Response curve of Tree-species in Chungnam area 122

Figure 94. Response curve of distance from waters in Gyeonggi-Gangwon area 123

Figure 95. Response curve of distance from waters in Chungnam area 123

Figure 96. Response curve of distance from building in Gyeonggi-Gangwon area 124

Figure 97. Response curve of distance from building in Chungnam area 124