Table 17 Active
Ardeid Night Roost Survey Findings
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Date: 19
June 2024 |
Sunset Time: 19:09 Tidal Condition: Low Tide |
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|
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Pre-roost Period |
Final roost Period |
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Time of
Return: |
Chinese
Pond Heron Ardeola bacchus,
Great Egret Ardea alba and Little Egret Egretta
garzetta (18:29) |
Time of
Return: |
Chinese
Pond Heron Ardeola bacchus,
Great Egret Ardea alba and Little Egret Egretta
garzetta (18:58) |
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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): |
Y |
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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|
Chinese
Pond Heron Ardeola bacchus |
2 |
1 |
Chinese
Pond Heron Ardeola bacchus |
12 |
4 |
|
Great Egret |
3 |
1 |
Great
Egret |
6 |
1 |
|
Little Egret Egretta garzetta |
7 |
2 |
Little Egret Egretta garzetta |
2 |
2 |
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|
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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