Table 5.7e        Overall Impact Evaluation of Artificial Seawall and Subtidal Habitats

 

Evaluation Criteria

Artificial Seawall Habitats

Subtidal Habitat

Habitat quality

Low

Moderate

Species

One faunal species (Pacific Reef Egret, Egretta sacra) of conservation importance recorded from artificial seawall.

Hard corals and octocorals occur along the coast.

Size/Abundance

No habitat loss.

No habitat loss

Duration

Minor, temporary increase in disturbance during construction phase.

 

Very minor, permanent increase in disturbance during operational phase.

Minor, temporary increase in disturbance during construction phase.

 

Very minor, permanent increase in disturbance during operational phase.

Reversibility

Minor increase in disturbance during operational phase will be permanent.

Minor increase in disturbance during operational phase will be permanent.

Magnitude

The scale of the impacts is considered very low.

The scale of the impacts is considered very low.

Overall impact conclusion

Negligible.

Negligible.