Ha Pak Nai sand

Material category:

Soil / Soil based (organic/mineral)

Identification number:

21-1000-014-a

Sample produced by:

TAL-L

Sample date:

6 Dec 2021 (Extracted)

Sample condition:

Intact

Site-driven material

Pak Nai is a wetland and mudflat in Yuen Long District. It is surrounded by mountains and faces Deep Bay (Shenzhen Bay). Geographically, Pak Nai constitutes the coastline of Sheung Pak Nai (上白泥) and Ha Pak Nai(下白泥). Ha Pak Nai is known for its ecosystem, which is rich in biodiversity with rare species found offshore. In recent years, public concern has been raised over a controversial development plan that was ultimately abandoned due to opposition.

Mudflat, coastal protection area.

Location of Sample Extraction:

Ha Pak Nai, Lau Fau Shan, Hong Kong

22.434989, 113.948271
Surface Condition:

Loose

Depth of sample extraction:

20 - 40 cm

Slope at extraction point:

< 35°

Land Use:

Mangrove / swamp

State:

Solid

Geology of parent material:

Marine sand, part silty

Color:

10YR 6/3

Soil Structure

Organic Matter: 0.0 %

Coarse: 29.0 %

Sand: 97.0 %

Silt: 0.0 %

Clay: 3.0 %

Chemical Properties

(Soil) pH: 7.00