Table 5.2 – Active Ardeid Night
Roost Survey Findings
Date: 18 February 2022
Sunset Time: 18:22
Tidal Condition: Low Tide |
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Pre-roost
Period |
Final roost
Period |
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Time of
Return: |
Eastern Cattle Egret Bubulcus coromandos (17:50) |
Time of
Return: |
Chinese Pond Heron Ardeola bacchus, Eastern Cattle Egret Bubulcus
coromandos and Intermediate Egret Egretta intermedia
(18:03) |
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Parameters |
Location |
Parameters |
Location |
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ANR1 |
ANR2 |
ANR1 |
ANR2 |
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Pre-roost Aggregation
(Y/N): |
N |
Y |
Substrate
Species: |
Sonneratia apetala and S.
caseolaris |
Sonneratia apetala and S.
caseolaris |
|
Substrate
Species: |
Sonneratia apetala and S.
caseolaris |
Sonneratia apetala and S.
caseolaris |
Substrate
Height (m): |
Approx. 5 m. |
Approx. 3-4 m. |
|
Substrate
Height (m): |
Approx. 5 m. |
Approx. 3-4 m. |
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Ardeid
Species Composition |
Abundance (individuals) |
Ardeid
Species Composition |
Abundance (individuals) |
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ANR1 |
ANR2 |
ANR1 |
ANR2 |
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Eastern Cattle Egret Bubulcus coromandos |
- |
20 |
Chinese Pond Heron Ardeola bacchus |
2 |
8 |
|
|
|
|
Eastern Cattle Egret Bubulcus coromandos |
- |
25 |
|
|
|
|
Intermediate Egret Egretta
intermedia |
- |
7 |
|
Breeding
Activity (Y/N): |
ANR1 |
N |
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ANR2 |
N |
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Notes: Pre-roost
Period: Period when avian
individuals gather first before flying into a night roost ANR1:
Active ardeid night roost area east of the Project boundary ANR2:
Active ardeid night roost area northeast of the Project boundary -:
not recorded |
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