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Trends in BC Shellfish Closures (Hectares)
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Years | BC Total (hectares) | Georgia Basin Total (hectares) |
1989 | 79176.2 | 63158.5 |
1990 | 81012.1 | 64816.4 |
1991 | 81631.3 | 65031.2 |
1992 | 82078.6 | 65360.0 |
1993 | 103576.0 | 65555.2 |
1994 | 105254.6 | 66746.9 |
1995 | 105939.0 | 67279.9 |
1996 | 110287.2 | 70466.3 |
1997 | 112519.0 | 70805.9 |
1998 | 111463.3 | 70238.6 |
1999 | 101854.9 | 69574.0 |
2000 | 103200.5 | 69767.7 |
2001 | 159029.8 | 70185.6 |
2002 | 123727.4 | 72165.9 |
2003 | 124276.9 | 71472.6 |
2004 | 123832.1 | 71817.9 |
Source: Environment Canada
A larger, although unquantified, area is closed in more urbanized locations, including Burrard Inlet, Fraser River Estuary, Boundary Bay and the Victoria/Saanich Inlet. Outside Vancouver, BC, Howe Sound is closed to all shellfish harvesting north to Squamish and east to Port Moody.
Visit Shellfish Closure Areas in the Puget Sound Georgia Basin for basinwide and detailed maps on the bodies of water mentioned in this section.
Between 1995 and 2004, 4,600 acres (1861 ha) were downgraded (to restricted classifications) and 12,400 acres (5018 ha) were upgraded for a net upgrade of 7,800 acres (3157 ha). Visit Puget Sound Commerical Shellfish Reclassification Due to Sanitary Conditions (PDF, 1 p., 930KB) to see a graph of upgrades (commercial growing area openings) and downgrades (commercial growing area closures), courtesy of the Puget Sound Action Team.
Since 1980, approximately 30,000 acres (12,141 ha) of commercial shellfish growing areas have been closed to harvest because of pollution. Visit Commercial Shellfish Growing Area Closed to Harvest in Puget Sound Since 1980 to see the trend data (PDF, 1 p., 741KB). Most of these closures occurred more than a decade ago. In recent years, the commercial acreage open for harvest has remained fairly steady.
In 1998, 4,469 acres (1808 ha) were opened in Eld Inlet, Samish Bay, Lynch Cove and Sequim Bay. In contrast, in 1999, 1240 acres (501 ha) were closed in Drayton Harbor, Burley Lagoon and Portage Bay.
Source: Puget Sound Action Team
In 2003, 2139 acres (865 ha) were opened in Dyes Inlet and Portage Bay while 1,197 (484 ha) were closed in Dungeness Bay.By 2004, a total of 33 areas had been listed as threatened by the Washington State Department of Health (DOH) under the early warning systems since its inception in 1997, based on water quality samples for fecal coliform. Many of the newly threatened areas are located in North Puget Sound and Georgia Strait, including Drayton Harbor, which had just reopened after years of restoration work (see the Drayton Harbor story in What Are We Doing About It?). Drayton Harbor had the highest fecal coliform results (>43 MPN/100ml).
The shellfish bed restoration target for Puget Sound is a net increase of 1000 acres (425 ha) for the 2005 through 2006 biennium.
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