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Marine Protected Areas within Puget Sound

Admiralty Head Marine Preserve

WAC 220-16-780: "'Admiralty Head Marine Preserve' is defined as waters and bedlands inside a line beginning at the extreme low water line on the west shore of Whidbey Island at 48° 09.46' N, 122° 40.88' W then northerly along the extreme low water line for 0.6 nautical miles, then due west 400 yards, then southerly parallel to the shore to a point due west of the point of origin, then due east to the point of origin." Effective since 9/9/2002.

(Note: this is the same map as used for the Keystone Harbor CA)

CLICK TO ENLARGE MAP

Links to other imagery about this site

The finder map at left has the locations of the photographer from where the four images below were taken.
Recreational Restrictions / Openings
Species Status Comments, notes...
Salmon Closed  
Trout Closed  
Bottomfish Closed  
Shellfish Limited Open only for sea cucumber and urchin.
Forage Fish Closed  
Unclassified Closed  
 
Commercial Restrictions / Openings
Species Status Comments, notes...
Salmon Closed  
Bottomfish Closed  
Shellfish Limited Open only for sea cucumber and urchin.
Forage Fish Closed  
Unclassified Closed  

 

Geographic Statistics

Area Type Acres Hectares
Intertidal None None
Subtidal 88.40 35.78
Total 88.40 35.78

 

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Standing shoreward of "the rock" at the south end of the preserve, facing west:

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Facing south from the red dot at the top of the finder map.

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Looking NNW from the hill at the intersection of the two parallel roads just north of the lighthouse. Note the dark spot on the beach in the distance: a large piece of driftwood visible in the previous image.

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A panorama taken from the yellow dot in the map above,
starting SW going through W to NW, shown by the red lines.

Prominent and unique features

The Admiralty Head Marine Preserve incorporates a nearshore kelp bed that grows upon a mix of rocks, boulders and ridges of hardpan and bedrock just north of Fort Casey State Park. The uplands consist of eroding sandstone bluffs and the shoreline is primarily composed of cobble, pebble, and gravel. Most of the upland is adjacent to the Fort Casey Conference Center and also includes the northern portion of Fort Casey State Park.

The reserve extends offshore from the extreme low water mark and extends down to depths of 40 feet (mllw). The habitat contains a mosaic of coarse sediments including sand, pebble and cobble mixed with isolated boulders and ridges of moderate relief consisting of bedrock and hardpan. While the rocky habitat is generally of low complexity and contains few crevices for fish to hide, the extensive cover of understory kelps including Pterygophora californica and Laminaria saccharina as well as dense cover of upper canopy bull kelp (Nereocyctis leutkeana) provides a complex habitat for fish and invertebrates. The kelp bed extends close to shore just interrupted by a shallow nearshore channel. Offshore and deeper, the benthic habitat consists of sand, gravel, pebble, and cobble and may contain other rocky outcroppings.

Description of fish, bird, and mammal resources at the site

Fish populations at the site have been characterized only to a limited degree. Fish abundance is somewhat variable and may be dependent upon the time of year since the extent of the kelp bed is seasonal. Fish surveys have documented large rockfish (Sebastes caurinus), black rockfish (S. melanops), lingcod (Ophiodon elongatus), and striped seaperch (Embiotoca lateralis). The area is near a popular salmon fishing site and several species of salmon (Genus Oncorhynchus) are expected to move in and out of the reserve.

Other biological resources include a variety of encrusting organisms, red rock crab (Cancer productus), sea stars, red sea cucumber (Parastichopus californicus), red sea urchins (Stronglyocentrotus franciscanus) and green sea urchins (S. droebachensis). The commercial tribal and non-tribal sea cucumber and sea urchin fisheries use the site heavily.

Programs in place to manage the site

WDFW manages the site as partially-protected marine reserve for non-tribal citizens. WDFW regulations prohibit recreational fishing and harvesting at the Admiralty Head Marine Preserve. Most forms of commercial fishing are not allowed except for dive fisheries for sea urchins and sea cucumbers. The taking of all other species of invertebrates and fishes is prohibited by WDFW regulations.

The site is primarily located offshore from the Fort Casey State Park and the Fort Casey Conference Center. Both the state park staff and the Fort Casey Conference Center staff are onsite and provide observations and education from the uplands. The state park staff provides supplemental enforcement to WDFW agents. Signs are placed at both the state park and conference center stating regulations.

The enforcement of the harvest restrictions is relegated to the Enforcement Program of WDFW. Information on the site boundaries and restrictions is found in WDFW's Sport Fishing Pamphlet and formal regulations are published at the State of Washington's Administrative Code available on the state's web site. WDFW is developing specific pamphlets describing each of its marine reserves.

WDWF scientists will begin conducting at least one annual survey at the Admiralty Head Marine Preserve in their marine reserve monitoring efforts. The scientists surveying the site will record the species, numbers, and sizes of fish living in the preserve. Scientific collections by the Conference Center staff have occurred under permit from WDFW and are anticipated to continue in this site.

Issues of concern

A shore-based recreational salmon fishery occurs from the southern boundary of the reserve south to the campground at the Fort Casey State Park. During the designation process of the reserve, fishers generally opposed the creation of the reserve near the fishery site. The southern reserve boundary was adjusted to minimize fishery conflicts, but illegal fishing might occur despite the shore-marker placed by Parks and Recreation staff.

The reserve is located at the entrance to Puget Sound and the high volume of shipping traffic presents some threats to the reserve if vessels become grounded or spill toxic substances.

The potential impact of the commercial fishery for sea urchins and sea cucumbers will need examination in the future to determine if the removal of the algae eaters affects the structural or ecological integrity of the reserve.

Performance measures

  • Acceptance by local fishers.
  • The development of a diverse fish community.
  • Increasing or sustained abundances of copper and black rockfish.
  • Increasing and sustained large individual sizes of copper rockfish.
  • The presence of reproductive fish and recruiting rockfish and lingcod.