1965

1965
shellfish and cultivation

 

Japanese oyster drill (Ocinebrellus inornatus) established on several beds in Willapa Bay despite seed inspections at the point of packing in Japan; Eastern oyster drill (Urosalpinx cinerea) also present.

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Shellfish and Cultivation

1963

burrowing shrimp

 

The use of carbaryl to manage burrowing shrimp on selected acreage in Willapa Bay and Grays Harbor was reviewed and approved by the Washington Department of Fisheries, Washington Department of Agriculture, and United States Environmental Protection Agency. 

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Burrowing Shrimp

1961

burrowing shrimp

 

The carbamate insecticide carbaryl was selected as the primary tactic for burrowing shrimp control in the coastal estuaries of both Washington and Oregon (Lindsay, 1961)

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Burrowing Shrimp

1960

1960
BURROWING SHRIMP

 

Burrowing shrimp rendered over 15,000 acres unusable for oyster culture (Lindsay 1961). Washington Department of Fisheries initiates burrowing shrimp control experiments with Sevin (carbaryl), furnace (fuel) oil, orthodichlorobenzene, lindane (gamma-hexachlorocyclohexane) (Lindsay 1961).

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Burrowing Shrimp

1959

burrowing shrimp

 

Initial harrowing and rolling trials to crush shrimp and their burrows were conducted in Willapa Bay. (John Wiegardt Jr., pers. comm.)

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Burrowing Shrimp

1941

1941
SPARTINA

 

Spartina alterniflora positively identified from Willapa National Wildlife Refuge (Sheffer 1945).

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Spartina

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