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研究報告

Chapter 6 ECOLOGICAL FIELD SURVEY RESULTS - MAPPING ACCURACY

6.1 MAPPING ACCURACY
   
 
6.1.7 Mangrove
   
The majority of the mangrove habitats were mapped correctly with only one site (Site 78 Tai O) mis-identified. This site was re-classified as Shrubby Grassland.

   
6.1.8 Intertidal Mudflat
   
A total of 24 sub-sites were surveyed for this habitat category with 12 of them mapped 100% correctly. The mis-identified habitat areas were occupied by either fringe patches of mangrove or sandy substratum with cobbles of various sizes. The latter was re-classified as Sandy Shore (Table 6.1g).
Table 6.1g Mis-identified Survey Sites of Intertidal Mudflat
Site No. Site Name Sub-site
Percentage of Area
Mis-identified (%)
Habitat Types of the
Mis-identified Area
91 Yi O a 70 Sandy Shore
92 Tai O a 85 Sandy Shore
93 Sham Wat a 10 Mangrove
94 Tung Chung a 100 Sandy Shore
96 Yam O Bay a 30 Mangrove; Sandy Shore
97 Pui O Wan a 5 Mangrove
98 Tai Lam a 40 Mangrove; Sandy Shore
100 Ho Chung a 40 Mangrove
103 Chek Keng a 40 Sandy Shore
b 100 Sandy Shore
167 Kei Ling Ha Hoi a 40 Sandy Shore
b 25 Mangrove; Sandy Shore
   
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最近修訂日期: 二零零五年十二月二十二日