published_or_final_version / Geography and Geology / Doctoral / Doctor of Philosophy

published_or_final_version / Applied Geosciences / Master / Master of Science

published_or_final_version / Geography and Geology / Master / Master of Philosophy

by Leung, Yu-fai. / Thesis (M.Phil.)--Chinese University of Hong Kong, 1992. / Includes bibliographical references (leaves 167-178). / abstract --- p.ii / acknowledgements --- p.iv / table of contents --- p.vi / list of tables --- p.ix / list of figures --- p.xi / list of plates --- p.xiii / Chapter CHAPTER I --- introduction / the problem --- p.1 / The Country Parks of Hong Kong --- p.1 / Resource Impacts of Country-Park Recreation --- p.3 / Trail Degradation --- p.4 / objectives of the study --- p.5 / scope of the study --- p.6 / Chapter CHAPTER II --- literature review / introduction --- p.8 / research approaches --- p.9 / physical degradation on trails --- p.11 / Compaction / Widening and Incision / Erosion --- p.16 / FACTORS CONTRIBUTING TO TRAIL DEGRADATION --- p.17 / Use Characteristics --- p.19 / Environment --- p.20 / RECREATION IMPACT STUDIES IN HONG KONG --- p.21 / Chapter CHAPTER III --- study area / introduction --- p.24 / the pat sin leng country park --- p.24 / "Topography,Geology and Soils" --- p.25 / Climate and Vegetation --- p.29 / Recreational Use and Management --- p.31 / the pat sin range trail --- p.35 / Chapter CHAPTER IV --- research methodology / introduction --- p.41 / research design --- p.41 / hypotheses --- p.43 / SAMPLING SCHEME --- p.44 / VARIABLES INCLUDED IN THE STUDY --- p.46 / FIELD MEASUREMENTS --- p.49 / Degradation-Indicator Variables --- p.49 / Site Condition Variables --- p.58 / LABORATORY ANALYSIS --- p.63 / DATA MANIPULATION AND ANALYSIS --- p.65 / Chapter CHAPTER V --- SITE AND DEGRADATION CONDITION OF THE PAT SIN RANGE TRAIL / INTRODUCTION --- p.67 / SITE CONDITION OF THE TRAIL --- p.67 / Parent Material --- p.67 / Topography --- p.72 / TREAD SURFACE MATERIAL --- p.80 / COMPACTION OF TRAIL TREAD --- p.82 / MORPHOLOGY OF TRAIL TREAD --- p.90 / Tread width --- p.91 / Incision Depth --- p.94 / Tread Cross-Section Area --- p.96 / Multiple Treads --- p.96 / Other Morphology Variables --- p.98 / OVERALL EVALUATION --- p.98 / Other Evidence of Degradation --- p.98 / Summary Rating --- p.101 / REMARKS --- p.106 / Chapter CHAPTER VI --- ENVIRONMENTAL INFLUENCES ON TRAIL DEGRDATION / INTRODUCTION --- p.107 / BRANCHING EFFECT OF TRAILS --- p.108 / PARENT MATERIAL --- p.112 / Parent Rock --- p.112 / Soil Properties --- p.115 / LOCATIONAL FACTORS --- p.120 / Aspect --- p.120 / Slope Steepness --- p.124 / Trail Position on Slope --- p.136 / OVERALL EVALUATION --- p.145 / Chapter CHAPTER VII --- MANAGEMENT IMPLICATIONS / INTRODUCTION --- p.151 / MANAGEMENT CONSIDERATIONS --- p.152 / THE CASE OF PAT SIN RANGE TRAIL --- p.153 / MONITORING TRAIL USE AND IMPACTS --- p.159 / Chapter CHAPTER VIII --- CONCLUSION / SUMMARY OF FINDINGS --- p.162 / LIMITATION OF THE STUDY --- p.164 / SUGGESTIONS FOR FUTURE RESEARCH --- p.164 / BIBLIOGRAPHY --- p.167 / APPENDIX / DESCRIPTIONS OF SELECTED DEGRADED SITES --- p.179