page_title: Deep Bay, China
section_title: Ecology
hierarchical_section_title: Deep Bay, China / Ecology
caption_attribution_description: English: View Tin Shui Wai,Hongkong from Shenzhen,China
context_page_description: Deep Bay is a bay between Yuen Long, Hong Kong and the city of Shenzhen. It is otherwise known as Hau Hoi Wan in Hong Kong, and Shenzhen Bay in Mainland China.
context_section_description: As the bay is largely enclosed by land, fresh water from the surrounding land enters the bay from a shallow shore of wetland. The margin of fresh water and salt water forms a valuable habitat for a wide variety of life.
  The bay's northern shore used to be lined with marshes. As Shenzhen began to develop into a major urban centre, the northern shoreline was reclaimed to provide land for buildings.  Some departments had tried to preserve the endangered environment but mistakenly introduced foreign species of mangrove, which threatened their indigenous counterparts.
  The marshes remain largely intact along the southern part of the bay, which is under Hong Kong's jurisdiction. Mai Po is an important habitat for migrating birds in the area. Pools of former fish farms is another attraction to birds.
caption: View Tin Shui Wai in fog from Shenzhen side through the Bay
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