by Sam Shun-shun Lau. / Thesis (M.Phil.)--Chinese University of Hong Kong, 1997. / Includes bibliographical references (leaves 194-220). / Acknowledgments --- p.i / Abstract --- p.ii / Table of Contents --- p.iv / List of Plates --- p.vii / List of Tables --- p.viii / List of Figures --- p.xi / Chapter CHAPTER 1 --- Introduction / Chapter 1.1 --- Mai Po Marshes Nature Reserve (Hong Kong) --- p.1 / Chapter 1.1.1 --- Site description --- p.1 / Chapter 1.1.2 --- Ecological and conservation importance --- p.4 / Chapter 1.1.2.1 --- Local and international recognition --- p.4 / Chapter 1.1.2.2 --- Birds --- p.7 / Chapter 1.1.2.3 --- Gei wais and its wildlife --- p.10 / Chapter 1.1.2.4 --- Fishpond aquaculture --- p.20 / Chapter 1.1.3 --- Pollution sources and impacts --- p.22 / Chapter 1.2 --- Self-purification Capability of Wetland Ecosystems --- p.32 / Chapter 1.2.1 --- Principles and mechanisms --- p.32 / Chapter 1.2.2 --- Treatment efficiency --- p.38 / Chapter 1.3 --- Objectives and Outlines of the Present Study --- p.42 / Chapter CHAPTER 2 --- Water Quality of the Mai Po Marshes Nature Reserve / Chapter 2.1 --- Introduction --- p.45 / Chapter 2.2 --- Materials and Methods --- p.49 / Chapter 2.2.1 --- Water sampling and analyses --- p.51 / Chapter 2.2.2 --- Statistical analyses --- p.52 / Chapter 2.3 --- Results and Discussion --- p.52 / Chapter 2.3.1 --- Water quality in the Mai Po Marshes --- p.55 / Chapter 2.3.2 --- Spatial pattern of water pollution --- p.74 / Chapter 2.3.3 --- Temporal pattern of water pollution --- p.77 / Chapter 2.3.4 --- Correlation between various parameters --- p.79 / Chapter 2.4 --- Conclusions / Chapter CHAPTER 3 --- Nutrient and Metal Contaminationin Sediments of the Mai Po Marshes Nature Reserve / Chapter 3.1 --- Introduction --- p.81 / Chapter 3.2 --- Materials and Methods --- p.83 / Chapter 3.2.1 --- Sediment collection --- p.83 / Chapter 3.2.2 --- Laboratory analyses --- p.84 / Chapter 3.2.3 --- Statistical analyses --- p.84 / Chapter 3.3 --- Results and Discussion --- p.85 / Chapter 3.3.1 --- Pollution loads in sediments --- p.85 / Chapter 3.3.2 --- Spatial variation of contamination in sediments --- p.88 / Chapter 3.3.3 --- Temporal variation of contamination in sediments --- p.113 / Chapter 3.3.4 --- Vertical variation of contamination in sediments --- p.124 / Chapter 3.3.5 --- Correlation between various parameters --- p.131 / Chapter 3.4 --- Conclusions --- p.133 / Chapter CHAPTER 4 --- Behaviour of Contaminants in Sediments in a Shrimp-growing Gei Wai / Chapter 4.1 --- Introduction --- p.136 / Chapter 4.2 --- Materials and Methods --- p.137 / Chapter 4.2.1 --- Sediment collection --- p.137 / Chapter 4.2.2 --- General physico-chemical analyses --- p.139 / Chapter 4.2.3 --- Effects of salinity and temperature --- p.140 / Chapter 4.2.4 --- Effects of drying --- p.140 / Chapter 4.2.5 --- Toxicity assays --- p.141 / Chapter 4.2.5.1 --- Preparation of sediment extract for toxicity tests --- p.141 / Chapter 4.2.5.2 --- Microtox® toxicity testing --- p.141 / Chapter 4.2.5.3 --- Algal bioassay --- p.142 / Chapter 4.2.5.3.1 --- Algal culture --- p.142 / Chapter 4.2.5.3.2 --- Algal growth inhibition test --- p.142 / Chapter 4.2.5.4 --- Amphipod bioassay --- p.143 / Chapter 4.2.6 --- Statistical analyses --- p.144 / Chapter 4.3 --- Results and Discussion --- p.144 / Chapter 4.3.1 --- General properties --- p.144 / Chapter 4.3.2 --- Effects of temperature and salinity --- p.148 / Chapter 4.3.3 --- Effects of drying --- p.151 / Chapter 4.3.4 --- Toxicity assays --- p.154 / Chapter 4.4 --- Conclusions --- p.156 / Chapter CHAPTER 5 --- Self-purification Capability of Gei Wais at the Mai Po Marshes Nature Reserve / Chapter 5.1 --- Introduction --- p.159 / Chapter 5.2 --- Materials and Methods --- p.161 / Chapter 5.2.1 --- Sample collection --- p.161 / Chapter 5.2.2 --- Laboratory analyses --- p.161 / Chapter 5.2.3 --- Statistical analyses --- p.166 / Chapter 5.3 --- Results and Discussion --- p.167 / Chapter 5.3.1 --- Changes in water quality --- p.178 / Chapter 5.3.1 --- Removal efficiency --- p.185 / Chapter 5.4 --- Conclusions / Chapter CHAPTER 6 --- General Conclusions --- p.188 / References / Appendices
| Identifer | oai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_322701 |
| Date | January 1997 |
| Contributors | Lau, Sam Shun-shun., Chinese University of Hong Kong Graduate School. Division of Biology. |
| Source Sets | The Chinese University of Hong Kong |
| Language | English |
| Detected Language | English |
| Type | Text, bibliography |
| Format | print, xv, 221 , 131 leaves : ill., maps (some col., some mounted) ; 30 cm. |
| Coverage | China, Hong Kong, China, Hong Kong, China, Hong Kong, Mai Po (Hong Kong, China) |
| Rights | Use of this resource is governed by the terms and conditions of the Creative Commons “Attribution-NonCommercial-NoDerivatives 4.0 International” License (http://creativecommons.org/licenses/by-nc-nd/4.0/) |
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