Table 7.6c Overall Impact Evaluation to Luk Tei Tong River.

Evaluation Criteria	Luk Tei Tong River
Habitat quality	Moderate
Species	Potential disturbance and temporary habitat loss for avifauna species of conservation interest, (Great Egret, Casmerodius alba; Little Egret, Egretta garzetta; Striated Heron, Butorides striatus; Black-crowned Night Heron, Nycticorax nycticorax; White-throated Kingfisher, Halcyon smyrnensis; and Common Teal, Anas crecca).
Size/Abundance	225m of river channel directly affected
Duration	Direct impacts would last for the duration of the construction phase, and a period of re-colonisation during the operation phase. Periodic minor disturbance throughout the operation phase due to routine maintenance (e.g., de-silting works).
Reversibility	Direct impacts to stream/river habitats would be reversible; the newly constructed drainage channels are expected to provide suitable habitats for aquatic communities previously recorded from the stream/river. Periodic minor increase in disturbance during operational phase would be temporary and reversible.
Magnitude	The scale of the impacts is considered minor-moderate.
Overall impact conclusion	Construction Phase: Moderate. Operation Phase: Minor.