Table 7.2b     Ecological Value of Woodland and Active Agriculture (Dry & Wet) Habitats in the Assessment Area.

Criteria

Woodland

Active Agriculture (Dry & Wet)

Naturalness

Habitat is largely natural, although secondary in nature.

Habitats are man-made.

Size

Habitat covers large areas of hillside surrounding Mui Wo Valley.

Habitats are small in size.

Diversity

Secondary Woodland: Moderate.

Open Woodland: Low-moderate.

Low.

Rarity

Two plant species of conservation interest, Aquilaria sinensis and Diospyros vacciniodes recorded from secondary woodland.

 

One Little Egret (Egretta garzetta) recorded from open woodland habitat adjacent to TTT River.

 

Previous records of Romer’s Tree Frog (Philautus romeri) from woodland areas in Mui Wo.

Single records of  Chinese Pond Heron (Ardeola bacchus) and White-throated Kingfisher (Halcyon smyrnensis) from active dry agricultural land.

Re-creatability

Moderate, although the habitat would take several decades to mature.

Habitat readily created on suitable areas of low-lying land.

Fragmentation

The habitat is largely unfragmented.

Moderate-high.

Ecological linkage

Falls partially within Conservation Area and Country Park.

 

Woodland habitat is linked with streams and adjacent areas of marsh.

The habitats are adjacent to areas woodland, marsh and streams/rivers of conservation interest.

Potential value

Moderate.

Low-moderate.

Nursery ground

Woodland habitats provide potential breeding habitat for Romer’s Tree Frog.

No significant records.

Age

Woodland is several decades old.

N/a

Abundance/Richness of Wildlife

Secondary Woodland: Moderate.

Open Woodland: Low-moderate.

Low.

Ecological value

Secondary Woodland: Moderate-High.

Open Woodland: Low-moderate.

Low.