RASHKB Journal 皇家亞洲學會香港分會學刊 | RAS-1984
https://digitalrepository.lib.hku.hk/catalog/5h73wh572
164

R.A. BOWLER, D.S.C. YANG AND A.J.E. SMITH

to cover the period 1952 to 1977, but from about 1957 those beds closest to the Chinese coast were not re-leased. Since 1977 no leases have been granted and the present claim to "ownership" between China-based farmers and Hong Kong-based farmers divides the bay almost centrally. However, this simplistic division belies the close ties that still exist between oyster farmers.

Figure 1 Location Plan

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Scal

Pearl

Estury

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PEARL ESTUARY

Deep Bay.

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People's Republic China (Guangdong Province)

South China Sea

+

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SHENZHEN CITY

Baoan County

Xixiang

Manion

Houhai

Shakou

DEEP BAY

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Black Polo

Special Economic Zone

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Law Fau Shan

New Territories

Lantau Island

Legend

PRC Oyster beds

HONG KONG Oyster beds
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RASHKB Journal 皇家亞洲學會香港分會學刊 | RAS-1984
https://digitalrepository.lib.hku.hk/catalog/5h73wh572
167

directly employed. Figure 3 shows a basic structure of the Chinese oyster exporting network to Hong Kong in terms of the geographical and administrative divisions of the producing areas. Shenzhen City is divided into two major administrative districts, Baoan County and the Special Economic Zone. Two Chinese government bodies, the Baoan Aquaproduct Bureau and the Nantou (Luohu) Aquaproduct Bureau, work in parallel to deal with technical matters such as oyster bed boundaries and production, and a third (the Shenzhen Aquaproduct Import/Export Company) is in charge of the overall import/export trading of oysters.

Figure 3 Structure of PRC Oyster Exporting Network

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Every year, oyster farmers are required to sell part of their product at a relatively low official price to the Chinese Government to meet a certain quota before they can sell the rest on the open market. The quota was reduced from a few thousand dan (1 dan = 50 kg) to only five hundred dan (350 from Baoan County and 150 from the Special Economic Zone) since 1979, when about 90% of the Deep Bay oysters died from a mass mortality the cause of which could not be identified with any certainty. The reduced
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