Name

Signature

Date

Prepared by:

Dr Graham Tucker

 

 

Checked by:

Lynn Smith

 

 

Reviewed by:

Richard Deacon

 

 

 

 

CONTENTS

 

                                                                                                                                        Page

 

1.                  INTRODUCTION                                                                                                 1

 

1.1                Project Background                                                                                 1

1.2                     Description of the Spur Line                                                                     1

1.3                     Purpose of the Habitat Creation and Management Plan                             2

1.4                     Description of the Site                                                                              3

Site location and boundaries                                                                     3

Topography and watercourses                                                                 3

Soils                                                                                                        5

Land use, habitat and ownership                                                               5

1.5                     Existing Ecological Interest                                                                       5

Habitat evaluation                                                                                    5

Areas of important habitat                                                                        8

Species of Conservation Importance                                                        8

1.6                     Summary of predicted ecological impacts                                                10

 

2.                  Mitigation objectives                                                                              11

 

2.1                     Site Specific Target Habitats                                                                   11

2.2                     Site Specific Target Species                                                                    11

2.3                     Specific Requirements for Target Species                                                15

                           Black-faced Spoonbill                                                                            17

                           Greater Spotted Eagle                                                                            17

                           Imperial Eagle                                                                                         18

                           Black-wingled Stilt                                                                                  19

                           Eurasian Coot                                                                                         20

                           Great Cormorant                                                                                    21

                            Chinese Pond Heron                                                                              21

                           Great Egret                                                                                             22

                           Grey Heron                                                                                            22

                           Little Egret                                                                                              22

                           Red-billed Starling                                                                                  23

                           Chinese Bullfrog                                                                                     23

2.4                     Habitat Condition Targets                                                                       24

 

3.                  CONSTRAINTS ON DESIGN                                                                            27

 

3.1                     Engineering                                                                                             27

3.2                     Hydrology/Drainage                                                                                27

3.3                     Soils                                                                                                       28

3.4                     Water Quality                                                                                         28

3.5                     Access                                                                                                   29

3.6                     Adjacent Habitats/Land-uses                                                                  29

 

4.                  Detailed design and construction methods                               29

 

4.1                     Overview                                                                                               29

4.2                     Land form                                                                                              30

Fish ponds                                                                                              30

Marshland                                                                                              30

4.3                Soils                                                                                                       31

4.4                     Water control structures                                                                          31

Fish ponds                                                                                              31

Marshland                                                                                              34

4.5                     Water source                                                                                          35

Fish ponds                                                                                              35

Marshland                                                                                              35

4.6                     Vegetation                                                                                              35

Vegetation to be retained                                                                        35

Vegetation to be established in the fish pond area                                     35

Marshland                                                                                              36

4.7                     Access and fencing                                                                                 40

4.8                     Construction and habitat establishment work programme                         40

               Marshland                                                                                              43

4.9                     Mitigation measures for wetland construction and                                     

               establishment works                                                                                44

4.10                 Contingency measures                                                                            45  

 

5.                  Management Strategy                                                                             46

 

5.1                     Management regime stages and programme                                             46

5.2                     Management actions                                                                               47

Fish ponds management                                                                          48

Other management actions                                                                      54

 

6.          Monitoring                                                                                                        56

 

                             6.1               General requirements                                                                                 56

6.2                     Habitat and species’ attributes to be monitored                                        57

6.3                     Monitoring programme                                                                           57

Reporting                                                                                                60

Staffing                                                                                                   60

Event and action plan for ecological attributes                                          61

 

7.        REFERENCES                                                                                                          66

 

 

 

LIST OF TABLES

 

Table 1.1          Ecological evaluation of active fish ponds within 500 m of the Spur Line and Station area at San Tin and Lok Ma Chau (Source: BBV 2000)

 

Table 1.2          Species of Conservation Importance that occur  within 500 m of the Spur Line and Station area at San Tin and Lok Ma Chau (Source: BBV 2000)

 

Table 2.1          Wetland mitigation performance targets for target species in the Lok Ma Chau / San Tin Station area

 

Table 3.1          Summary of habitat requirements of target Species of Conservation Importance

 

Table 5.1          Wetland species to be established in the fish pond mitigation area

 

Table 5.2          Species for established in each wetland mitigation area

 

Table 5.3          Habitat enhancement work programme for the Lok Ma Chau Station fish pond area wetland mitigation

 

Table 5.4          Construction and habitat establishment work programme for the Lok Ma Chau Station marshland mitigation area

 

Table 6.1          Water quality standards for fish culture

 

 

Table 6.2          Management Programme for the Lok Ma Cha Station fish pond mitigation area

 

Table 6.3          Management Programme for the Lok Ma Cha Station marshland mitigation area

 

Table 7.1          Ecological monitoring programme for the Lok Ma Chau Station wetland mitigation areas

 

Table 7.2          Action Levels and Limits for ecological attributes at the Lok Ma Chau Station wetland mitigation areas

 

Table 7.3          Action Plan for exceedance of Action Levels and Limits for ecological attributes at the Lok Ma Chau wetland mitigation area

 

 

LIST OF FIGURES

 

Figure 1.1a          Ecologically Sensitive Areas Around Study Area

Figure 1.1b          Horizontal Alignment of Spur Line & Ecological Assessment

Figure 1.2            Area of Proposed Ecological Compensation Measures in Lok Ma Chau

Figure 4.1            LMC Fishponds & Freshwater Marsh

                           General Layout Water Management System

Figure 4.2            LMC Fishponds & Freshwater Marsh

Figure 4.3            LMC Fishponds & Freshwater Marsh Bridge over the Watercourse

 

 

Appendices

 

Appendix 3.1       Proposed Pond Bund Profiles for Lok Ma Chau Wetland

Appendix 3.2       Soil Mix Specification for Lok Ma Chau Station Marsh Area

Appendix 3.3      Water Control System within Lok Ma Chau Station Wetland

Appendix 3.4      Water Budget and Predicted Water Level Changes for Lok Ma Chau Station Marsh

Appendix 3.5      LMC Fishponds and Freshwater Marsh Planting Plan

Appendix 3.6      Wetland Mitigation Construction Methodology

Appendix 3.7      Specification for Fishpond Management

 

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