Slope bioengineering in Hong Kong: a study of substrate properties and vegetation development.

• Other Authors: Chiu, Pik Ki Becky.
• Format: Others
• Language: English; Chinese
• Published: 2004
• Subjects: Slopes (Soil mechanics); Slopes (Soil mechanics) > China > Hong Kong; Slopes (Soil mechanics) > Stability; Bioengineering
• Online Access: http://library.cuhk.edu.hk/record=b5892158; http://repository.lib.cuhk.edu.hk/en/item/cuhk-324938

Chiu Pik Ki Becky. === Thesis (M.Phil.)--Chinese University of Hong Kong, 2004. === Includes bibliographical references (leaves 112-124). === Abstracts in English and Chinese. === Abstract --- p.i === Acknowledgements --- p.v === Table of Contents --- p.vi === List of Tables --- p.x === List of Figures --- p.xi === List of Plates --- p.xii === Chapter Chapter One --- introduction === Chapter 1.1 --- Introduction --- p.1 === Chapter 1.2 --- Trends in slope design --- p.2 === Chapter 1.3 --- Bioengineering practices --- p.3 === Chapter 1.4 --- Factors affecting slope vegetation growth --- p.4 === Chapter 1.5 --- Conceptual framework of the study --- p.5 === Chapter 1.6 --- Objectives of the study --- p.8 === Chapter 1.7 --- Significance of the study --- p.9 === Chapter 1.8 --- Organization of the thesis --- p.9 === Chapter Chapter two --- Literature Review === Chapter 2.1 --- Introduction --- p.11 === Chapter 2.2 --- Slope bioengineering practices --- p.12 === Chapter 2.3 --- Local techniques --- p.14 === Chapter 2.4 --- Factors affecting performance of slope --- p.19 === Chapter 2.4.1 --- Species selection --- p.19 === Chapter 2.4.2 --- Site characteristics --- p.21 === Chapter 2.4.3 --- Physical properties of growth medium --- p.21 === Chapter 2.4.4 --- Nutrients and fertilization --- p.23 === Chapter 2.4.5 --- Water and irrigation --- p.25 === Chapter 2.4.6 --- Management --- p.28 === Chapter 2.5 --- Summary --- p.28 === Chapter chapter Three --- Common Slope Bioengineering Techniques in Hong Kong === Chapter 3.1 --- Introduction --- p.29 === Chapter 3.2 --- Study sites --- p.31 === Chapter 3.3 --- Methodology --- p.34 === Chapter 3.3.1 --- In situ substrate measurements --- p.34 === Chapter 3.3.2 --- Substrate sampling --- p.35 === Chapter 3.3.3 --- Laboratory analysis --- p.35 === Chapter 3.3.4 --- Vegetation performance --- p.39 === Chapter 3.3.5 --- Statistical analysis --- p.39 === Chapter 3.4 --- Results and discussion --- p.40 === Chapter 3.4.1 --- Physical properties of substrates --- p.40 === Chapter 3.4.2 --- Chemical properties of substrates --- p.42 === Chapter 3.4.3 --- Vegetation performance --- p.48 === Chapter 3.5 --- Summary --- p.55 === Chapter chapter Four --- Substrate Properties and Nutrient Dynamics === Chapter 4.1 --- Introduction --- p.57 === Chapter 4.2 --- Experimental design of trial plots --- p.58 === Chapter 4.3 --- Methodology --- p.62 === Chapter 4.3.1 --- Substrate sampling and measurement --- p.62 === Chapter 4.3.2 --- Laboratory analysis --- p.63 === Chapter 4.3.3 --- Vegetation coverage --- p.63 === Chapter 4.3.4 --- Statistical analysis --- p.64 === Chapter 4.4 --- Results and discussion --- p.64 === Chapter 4.4.1 --- General substrate properties --- p.64 === Chapter 4.4.2 --- Seasonal variation in substrate properties --- p.68 === Chapter 4.4.3 --- Comparison between hydro-mulching and fibered-soil --- p.71 === Chapter 4.4.4 --- Nutrients and vegetation performance --- p.72 === Chapter 4.5 --- Summary --- p.72 === Chapter chapter Five --- Effect of Water and Management Practices on Slope Vegetation === Chapter 5.1 --- Introduction --- p.74 === Chapter 5.2 --- Rationale of the experiment --- p.77 === Chapter 5.2.1 --- Substrate thickness --- p.77 === Chapter 5.2.2 --- Irrigation --- p.78 === Chapter 5.2.3 --- Trimming --- p.78 === Chapter 5.2.4 --- Potential revegetation species besides grasses --- p.78 === Chapter 5.3 --- Methodology --- p.80 === Chapter 5.3.1 --- In situ moisture measurement --- p.81 === Chapter 5.3.2 --- Vegetation coverage --- p.81 === Chapter 5.3.3 --- Statistical analysis --- p.81 === Chapter 5.4 --- Results and discussion --- p.82 === Chapter 5.4.1 --- Dynamics of water on slopes --- p.82 === Chapter 5.4.2 --- Water content and vegetation coverage --- p.85 === Chapter 5.4.3 --- Vegetation and rooting depth --- p.89 === Chapter 5.4.4 --- Vegetal response to management practices --- p.90 === Chapter 5.4.5 --- Species trial --- p.90 === Chapter 5.4.6 --- Invasion of species --- p.92 === Chapter 5.5 --- Summary --- p.92 === Chapter Chapter Six --- Limitations of Present Bioengineering Techniques === Chapter 6.1 --- Introduction --- p.94 === Chapter 6.2 --- Physical setting --- p.94 === Chapter 6.2.1 --- Steep gradient --- p.94 === Chapter 6.2.2 --- Shotcreted slope surface --- p.94 === Chapter 6.3 --- Substrate properties --- p.95 === Chapter 6.3.1 --- Substrate thickness --- p.95 === Chapter 6.3.2 --- Compaction --- p.96 === Chapter 6.3.3 --- Presence of wire mesh --- p.96 === Chapter 6.3.4 --- Heterogeneous properties --- p.97 === Chapter 6.3.5 --- Highly organic peat moss composition and C:N ratios --- p.97 === Chapter 6.4 --- Water stress --- p.98 === Chapter 6.5 --- Vegetation on slopes --- p.99 === Chapter 6.5.1 --- Species selection --- p.99 === Chapter 6.5.2 --- Isolation from natural vegetation --- p.100 === Chapter 6.6 --- Management and maintenance --- p.100 === Chapter 6.6.1 --- Timing of hydroseeding and transplanting --- p.100 === Chapter 6.6.2 --- Maintenance requirements --- p.101 === Chapter 6.6.3 --- Poor workmanship --- p.101 === Chapter 6.7 --- Ultimate goal of slope bioengineering --- p.102 === Chapter 6.8 --- Summary --- p.102 === Chapter Chapter Seven --- Conclusion === Chapter 7.1 --- Summary of major findings --- p.104 === Chapter 7.2 --- Implications of the study --- p.106 === Chapter 7.2.1 --- Use of exotic grasses and naturalness of bioengineered slopes --- p.106 === Chapter 7.2.2 --- Substrate thickness --- p.107 === Chapter 7.2.3 --- "Irrigation under the principle of ""low maintenance""" --- p.108 === Chapter 7.3 --- Limitations of the study --- p.108 === Chapter 7.4 --- Suggestions for further research --- p.110 === References --- p.112 === Appendices --- p.125